Analysis Overview
SHA256
aa4895a92de07b083cd4ae91f0dfa52a25713b7103d573512465a75f23ffbdc4
Threat Level: Known bad
The file e0766950c83a3551309ffe32a39cf502 was found to be: Known bad.
Malicious Activity Summary
Dridex
Dridex Shellcode
Loads dropped DLL
Executes dropped EXE
Checks whether UAC is enabled
Adds Run key to start application
Unsigned PE
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-22 15:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 15:47
Reported
2023-12-24 04:42
Platform
win7-20231215-en
Max time kernel
157s
Max time network
130s
Command Line
Signatures
Dridex
Dridex Shellcode
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\Niubkzso = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\Windows\\STARTM~1\\Programs\\ACCESS~1\\ACCESS~1\\99LB0P~1\\OPTION~1.EXE" | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1272 wrote to memory of 2032 | N/A | N/A | C:\Windows\system32\wscript.exe |
| PID 1272 wrote to memory of 2032 | N/A | N/A | C:\Windows\system32\wscript.exe |
| PID 1272 wrote to memory of 2032 | N/A | N/A | C:\Windows\system32\wscript.exe |
| PID 1272 wrote to memory of 2932 | N/A | N/A | C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe |
| PID 1272 wrote to memory of 2932 | N/A | N/A | C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe |
| PID 1272 wrote to memory of 2932 | N/A | N/A | C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe |
| PID 1272 wrote to memory of 2692 | N/A | N/A | C:\Windows\system32\OptionalFeatures.exe |
| PID 1272 wrote to memory of 2692 | N/A | N/A | C:\Windows\system32\OptionalFeatures.exe |
| PID 1272 wrote to memory of 2692 | N/A | N/A | C:\Windows\system32\OptionalFeatures.exe |
| PID 1272 wrote to memory of 2972 | N/A | N/A | C:\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe |
| PID 1272 wrote to memory of 2972 | N/A | N/A | C:\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe |
| PID 1272 wrote to memory of 2972 | N/A | N/A | C:\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe |
| PID 1272 wrote to memory of 1380 | N/A | N/A | C:\Windows\system32\EhStorAuthn.exe |
| PID 1272 wrote to memory of 1380 | N/A | N/A | C:\Windows\system32\EhStorAuthn.exe |
| PID 1272 wrote to memory of 1380 | N/A | N/A | C:\Windows\system32\EhStorAuthn.exe |
| PID 1272 wrote to memory of 1368 | N/A | N/A | C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe |
| PID 1272 wrote to memory of 1368 | N/A | N/A | C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe |
| PID 1272 wrote to memory of 1368 | N/A | N/A | C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e0766950c83a3551309ffe32a39cf502.dll
C:\Windows\system32\wscript.exe
C:\Windows\system32\wscript.exe
C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe
C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe
C:\Windows\system32\OptionalFeatures.exe
C:\Windows\system32\OptionalFeatures.exe
C:\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe
C:\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe
C:\Windows\system32\EhStorAuthn.exe
C:\Windows\system32\EhStorAuthn.exe
C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe
C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe
Network
Files
memory/2504-0-0x00000000001A0000-0x00000000001A7000-memory.dmp
memory/2504-1-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-4-0x00000000779F6000-0x00000000779F7000-memory.dmp
memory/1272-5-0x0000000002B20000-0x0000000002B21000-memory.dmp
memory/1272-7-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-9-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-11-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-13-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-15-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-17-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-18-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-19-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-20-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-22-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-26-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-28-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-29-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-31-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-30-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-27-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-32-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-35-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-36-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-38-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-37-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-41-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-42-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-45-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-48-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-50-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-51-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-49-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-46-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-52-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-53-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-54-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-56-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-58-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-59-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-61-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-62-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-64-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-65-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-69-0x0000000002B00000-0x0000000002B07000-memory.dmp
memory/1272-63-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-60-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-57-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-55-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-47-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-44-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-43-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-77-0x0000000077C01000-0x0000000077C02000-memory.dmp
memory/1272-39-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-40-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-34-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-33-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-78-0x0000000077D60000-0x0000000077D62000-memory.dmp
memory/1272-25-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-24-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-23-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-21-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-16-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-14-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-12-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/1272-10-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/2504-8-0x0000000140000000-0x00000001402E6000-memory.dmp
C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe
| MD5 | 2b223b04bf8c80193f8311703f0babdc |
| SHA1 | d1bdf83845b6d1877b11480d38b7db99023c5422 |
| SHA256 | d667a2ebf90219cbea4fe221ad689f10630ec7069ce92b61c12646023a7c69d5 |
| SHA512 | ef36727b9275e76eb8dc1c50465fa50d3b418f916867958049717cb392ed8134afaa52a0f3f2b9b86c302f6fcc19d0634075dc8a6d66f812ebf545509e1bf5e9 |
C:\Users\Admin\AppData\Local\ZKwzQXQ\VERSION.dll
| MD5 | 2e82444dbbf00150e6aa5c74bc5611f8 |
| SHA1 | 87ebcdaa95759aab7701ebaf48a5105cf532ca71 |
| SHA256 | 935f1bb1532b33ae82018df082918341c5dd49b0b5c5e5591823e09e34d23d28 |
| SHA512 | a5b3acf0bbb8215c90fa9fa7d7594110398ac7b130c8c4225191ca82d52d23f5738ac1bfee902acef4079ee6df35d3f87ad46046e6c87d770666bbc8ff6179d8 |
\Users\Admin\AppData\Local\ZKwzQXQ\VERSION.dll
| MD5 | 9ef49ba69a852310fe3f0d0d0dc8d303 |
| SHA1 | 9fdd4177ba5ad0583453b12cdb2496c2cdb76921 |
| SHA256 | 0618e1dc79d8c5f8e53df9f6deab8dcd6a28b2190a0cd3791a669ca9c20bb468 |
| SHA512 | cf8d49f3b863c2cbd7b951007c7e8f1ab89d0f4544b31911642aac77e657bd9bcdd8156ed2993ef13dc85586d1b0533e32b7ecf40779d85b6260c458e0884cef |
memory/2932-108-0x00000000000E0000-0x00000000000E7000-memory.dmp
\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe
| MD5 | 1adef384faf554a124d84a142b1c3802 |
| SHA1 | d855776ed411c27ca7bd1a5c2a0833e7719ac9c2 |
| SHA256 | fe130f371fa4fb5f67a97132a684f4d0416c4b33dcd9eed2afd9341c4805e235 |
| SHA512 | f45128a5c6996f75d35a18ea1bbc87f4ce42496a7b4d44d331138baa9811d5c4c1f448c36ddcdcc01d85c057e23304ac7e55bb5762747e633c4ea733ea38299d |
C:\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe
| MD5 | 0c0ec8ea6e93e18d0c9971044a176597 |
| SHA1 | 0cf51bcc802d062358ad1d13065ebd16b30ac9cf |
| SHA256 | 8dfb879d7343048781310b7e992ab39cb2a52a2b95298aeb8c69da8479ed664d |
| SHA512 | e8e6a2d92cad3f25d007d375c7b1b9ba0cc90c14d99b05f9d108a09fc0c724e1ad2f1da5bb589761cfe16c51107bbacd5cd7ffda079b329293e0c1a89070a9db |
\Users\Admin\AppData\Local\ZKwzQXQ\wscript.exe
| MD5 | bb7a6a37321b5caf1625e9e56e836dd6 |
| SHA1 | b2721b24c2e5e29608e274d92c6fb1e14373d356 |
| SHA256 | cb99e5f89654927f7b69864dbd0917c3b15ece2bc840076491f4825269c30da1 |
| SHA512 | 4642d87aabcb9ac305f0de340ee4971d6b500263a92500b23067bfa1167437f6b0bb18eb954d4d4383df98e17f656459b08e9960b93269dcb10c5d03ba33a9f0 |
\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe
| MD5 | eae7af6084667c8f05412ddf096167fc |
| SHA1 | 0dbe8aba001447030e48e8ad5466fd23481e6140 |
| SHA256 | 01feebd3aca961f31ba4eac45347b105d1c5772627b08f5538047721b61ff9bc |
| SHA512 | 172a8accaa35a6c9f86713a330c5899dfeeffe3b43413a3d276fc16d45cd62ed9237aa6bff29cc60a2022fba8dcc156959723c041df4b7463436a3bdabef2a9d |
\Users\Admin\AppData\Local\FMo0a\appwiz.cpl
| MD5 | 5e79e740e29ab88bc686e008e09a6546 |
| SHA1 | 29cbc3cf7e5511c1dc22ca4b8ee9239a48007dd1 |
| SHA256 | 15dbee77b950fb7abc42920f5f60d798c6e2877acd62a6fcaa9d88b6312d3bf1 |
| SHA512 | df334daef490d0195beb863b24f1352cf51ce6d6ab8f3016c03352e820b8a428bb4da9205f505b54d51454a792450d742b5a05ed2eff72de89bb35a739bcf5ed |
C:\Users\Admin\AppData\Local\FMo0a\appwiz.cpl
| MD5 | 184f4dda30fa08ca34e5bc2173c0946b |
| SHA1 | ad5dbb58876c5c1fed1f7d8e3544612d33ad18fd |
| SHA256 | ebf5fcde69ae5dc8fb21d4f63596a69597a8fdb7f4997ead029f21391db9e1c5 |
| SHA512 | 62816d7d7e64610a21e29d44eed3b35aed57c8fd87cbc78bf7960673e113ce184122bbf41d7b3b27e540d256b7df5a6e948d5bc3b9173517bfca15dc8af7c6f0 |
memory/2972-133-0x00000000000F0000-0x00000000000F7000-memory.dmp
C:\Users\Admin\AppData\Local\FMo0a\OptionalFeatures.exe
| MD5 | a4b95f129f100ef9349aeda03d5dc7ef |
| SHA1 | d4fb62221cea37f760ae891bdb4b4b3fcf12e0d9 |
| SHA256 | 4a0f4ceddcd53031ff9b8c3dcf9905cf93f1c3e5413e9dc3da0e4464791099c5 |
| SHA512 | e30598b0f8562c50c33457a5cfd4680503b796d171d87c2c95db526b0b4f21a94d563579cf3a9c9a02217b095648553fd80887e54bc228459da6a2418229716d |
C:\Users\Admin\AppData\Local\kug\UxTheme.dll
| MD5 | 3ac06460b0405301e277f8d2ddfacdd5 |
| SHA1 | b66daa7116fc1ed197e2cae7ab80770b9712a1ec |
| SHA256 | 3553dbdc7704a674ffed29b9347e8f375e66e1e21c366640a7237397b4dd44dc |
| SHA512 | fe9ef55357b69a2342bbe407226c71a5f61f3794850a980fea479867a8319cd6b364ac1cf48050c9ad1fd933513878caa7a52dedd4658e1b1f38ac8ef141ad7e |
\Users\Admin\AppData\Local\kug\UxTheme.dll
| MD5 | f005c843e7d634ecd97da686d6df0cfe |
| SHA1 | 59ee1a70056ca0eb90251b5acdb623e423176418 |
| SHA256 | 4d4579cfa59ee1d532567b8a9b38711bf731accecfd4ac6c6107da2f91f846cc |
| SHA512 | 4fe2d6adbb218802a8d05260337c8bd310a097e63bce486aa745166c694f696b86cb35870466590e37ea0e06bbc4f5c2946a3571c5b89929bdcbdd9c19373a35 |
C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe
| MD5 | 5e88527a55c08ad842f452f2b1e0a8fb |
| SHA1 | c4214b0047a1f3c83fd6178f1aa3d34595b4e38f |
| SHA256 | 8fc5e0bd3b28d0c979b05b922e46be6bae0a3a142767ba46d2804804075e32cb |
| SHA512 | 1a60e883188787aa2fe46274aa79c6dfe2f285541f1b0de7e7460b9e1b148909efbcbdab9f7b837313e7fd724218e46585f0dba6f1c57fc6a3520120fe23c21b |
\Users\Admin\AppData\Local\kug\EhStorAuthn.exe
| MD5 | 3abe95d92c80dc79707d8e168d79a994 |
| SHA1 | 64b10c17f602d3f21c84954541e7092bc55bb5ab |
| SHA256 | 2159d9d5c9355521de859d1c40907fcdfef19f8cf68eda7485b89e9aa119e3ad |
| SHA512 | 70fee5e87121229bba5c5e5aaa9f028ac0546dc9d38b7a00a81b882c8f8ce4abfdc364a598976b1463cca05e9400db715f8a4478ec61b03a693bbeee18c6ae5c |
C:\Users\Admin\AppData\Local\kug\EhStorAuthn.exe
| MD5 | bfd3f83302a2ee72fa811ee4f6643759 |
| SHA1 | ddc7e39087d686c641efe4df2424d1d73bcfe35a |
| SHA256 | 36b10dbadac14c62ffb04a77e5699ad3a9c4fb13869592e1672e11689aa6d7ab |
| SHA512 | 2f69987500ee4aee5d33a8e14a110550202e93f49b3c443c0a8f3c0deb0a8aa17ce5cf3ebc50e6afdc14f6d64be49376bcab754bcb5b54bacbc695dbfb2c78e6 |
\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\CTLs\bg\EhStorAuthn.exe
| MD5 | 27fc63ee98bc85c6ea207db041539866 |
| SHA1 | 5cf11fb2666fe99bdbeb7051d159963602e52b2a |
| SHA256 | 39b5090e04f4d1b13e8d93c1869421bfa96aae5747bc31d10e6623c8b21698cc |
| SHA512 | 098a7358b3870d3b6fc950f3eeb12e56433c8a7fb090669be9ca35a1b98f4318ed5f38c352debe0a600e4ff5bfc94a4128d2f52e251b880b3ae931bc9d569d06 |
memory/1272-170-0x00000000779F6000-0x00000000779F7000-memory.dmp
C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Efrsxj.lnk
| MD5 | d3f1975c750dc0ee183f1d34ad999dfd |
| SHA1 | de9cf834960e36144af4a7d13f16008fdcaa97f4 |
| SHA256 | fec3a4fd3c06909debb06292bda981e3fc5451cbdeb902176fa4db384ded9c45 |
| SHA512 | 109d568aa13371248ed29811d462511c6ad46d6869c917b0027a99422fe63e6e5d5749f8c7483c9b1d58c4af4ee6fda45b64724bde7487f5b01ef89b96996571 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Printer Shortcuts\5m4\VERSION.dll
| MD5 | fc69d44d6c061d5fce75de61cd579aa4 |
| SHA1 | c94b2309c4339c7593d6b95d6096516b4a63fdb9 |
| SHA256 | 9ab73255e2808674d46bdee86695c4d0ddf9e43c2ae33e853f3a6c402d10033b |
| SHA512 | 67dce67192b99c67e6e21bcc20922815aa6b79ecd4addd5d97e500ae0a1433f4317d45bf80dbb096ac2858f060c4c6e55e335d885bcc431be47ec66d4112e21e |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\99LB0pkB56l\appwiz.cpl
| MD5 | 566c5256ca075e80018c5f5ead015f34 |
| SHA1 | d3efedc6f08410faf3ad8ebef72c6443e9ad117b |
| SHA256 | 16d1bf6e4d3c4c7947032bdc46264f353dcd16cc1c33cea4dece0fda234c9f5c |
| SHA512 | fbe1fae4d43089443b31db48a245587cdf8f2285eb4edc0afb5d4d899a789147502b5f29984f9bbb2146dcab3e6a435ef1a378e5f673b71147127a5431ae892d |
C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\CTLs\bg\UxTheme.dll
| MD5 | e8a252edd8ee8ef34cb029730440d290 |
| SHA1 | 43e47d640886f6f2e8a48bcce71f199311543320 |
| SHA256 | bb59c825cdd0ec1af7399f2e24e40fbb8756e4aa9d7bff46eb0e013ba10b846b |
| SHA512 | 191d35f6a84116a1e129c7bde1972c4ae6fd2580b156004bbef609cd018fee1b1bce086ef94acb647c7093a0e08da2c2156af1e90bc059588f7c5ad02accfdc7 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 15:47
Reported
2023-12-24 04:42
Platform
win10v2004-20231215-en
Max time kernel
8s
Max time network
122s
Command Line
Signatures
Dridex
Dridex Shellcode
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\7QAFCA\quickassist.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\jtbopf\ie4ushowIE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\yXANtbX\ProximityUxHost.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\7QAFCA\quickassist.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\jtbopf\ie4ushowIE.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\yXANtbX\ProximityUxHost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qzenv = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Credentials\\Y4VnGL\\ie4ushowIE.exe" | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\jtbopf\ie4ushowIE.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\yXANtbX\ProximityUxHost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\7QAFCA\quickassist.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3480 wrote to memory of 3280 | N/A | N/A | C:\Windows\system32\quickassist.exe |
| PID 3480 wrote to memory of 3280 | N/A | N/A | C:\Windows\system32\quickassist.exe |
| PID 3480 wrote to memory of 624 | N/A | N/A | C:\Users\Admin\AppData\Local\7QAFCA\quickassist.exe |
| PID 3480 wrote to memory of 624 | N/A | N/A | C:\Users\Admin\AppData\Local\7QAFCA\quickassist.exe |
| PID 3480 wrote to memory of 2236 | N/A | N/A | C:\Windows\system32\ie4ushowIE.exe |
| PID 3480 wrote to memory of 2236 | N/A | N/A | C:\Windows\system32\ie4ushowIE.exe |
| PID 3480 wrote to memory of 2624 | N/A | N/A | C:\Users\Admin\AppData\Local\jtbopf\ie4ushowIE.exe |
| PID 3480 wrote to memory of 2624 | N/A | N/A | C:\Users\Admin\AppData\Local\jtbopf\ie4ushowIE.exe |
| PID 3480 wrote to memory of 4824 | N/A | N/A | C:\Windows\system32\ProximityUxHost.exe |
| PID 3480 wrote to memory of 4824 | N/A | N/A | C:\Windows\system32\ProximityUxHost.exe |
| PID 3480 wrote to memory of 3216 | N/A | N/A | C:\Users\Admin\AppData\Local\yXANtbX\ProximityUxHost.exe |
| PID 3480 wrote to memory of 3216 | N/A | N/A | C:\Users\Admin\AppData\Local\yXANtbX\ProximityUxHost.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e0766950c83a3551309ffe32a39cf502.dll
C:\Windows\system32\quickassist.exe
C:\Windows\system32\quickassist.exe
C:\Windows\system32\ProximityUxHost.exe
C:\Windows\system32\ProximityUxHost.exe
C:\Users\Admin\AppData\Local\yXANtbX\ProximityUxHost.exe
C:\Users\Admin\AppData\Local\yXANtbX\ProximityUxHost.exe
C:\Users\Admin\AppData\Local\jtbopf\ie4ushowIE.exe
C:\Users\Admin\AppData\Local\jtbopf\ie4ushowIE.exe
C:\Windows\system32\ie4ushowIE.exe
C:\Windows\system32\ie4ushowIE.exe
C:\Users\Admin\AppData\Local\7QAFCA\quickassist.exe
C:\Users\Admin\AppData\Local\7QAFCA\quickassist.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/3240-0-0x00000000013B0000-0x00000000013B7000-memory.dmp
memory/3240-1-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-5-0x00007FFD11FBA000-0x00007FFD11FBB000-memory.dmp
memory/3480-9-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-10-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-15-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-19-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-24-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-29-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-33-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-38-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-42-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-44-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-47-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-51-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-54-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-58-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-61-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-65-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-69-0x0000000000700000-0x0000000000707000-memory.dmp
memory/3480-64-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-63-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-62-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-77-0x00007FFD12DA0000-0x00007FFD12DB0000-memory.dmp
memory/3480-60-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/624-97-0x0000018C13260000-0x0000018C13267000-memory.dmp
memory/2624-114-0x000002182C7B0000-0x000002182C7B7000-memory.dmp
memory/3216-131-0x000001D24A860000-0x000001D24A867000-memory.dmp
memory/3480-59-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-56-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-57-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-55-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-53-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-52-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-50-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-49-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-48-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-46-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-45-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-43-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-41-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-40-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-39-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-37-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-36-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-35-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-34-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-32-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-31-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-30-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-28-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-27-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-26-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-25-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-23-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-22-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-21-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-20-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-18-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-17-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-16-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-14-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-13-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-12-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-11-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3240-8-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-7-0x0000000140000000-0x00000001402E6000-memory.dmp
memory/3480-4-0x00000000020E0000-0x00000000020E1000-memory.dmp