Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
05/03/2024, 10:33
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7b1a8c22ef8e7b028d171abf3fdc6607e1ddbb48dcc342bc2a209019e544b0fb.dll
Resource
win7-20240221-en
10 signatures
150 seconds
General
- Target 7b1a8c22ef8e7b028d171abf3fdc6607e1ddbb48dcc342bc2a209019e544b0fb.dll
- Size 736KB
- Sample240305-ml1yladf22
- SHA256 7b1a8c22ef8e7b028d171abf3fdc6607e1ddbb48dcc342bc2a209019e544b0fb
- MD5 266dca9f7721693cb08905fbf6b2d0e3
- SHA1 7e04dc3f944593a8b06df01f673ff45bb45be491
- SHA512 b12e6c2a4c9cfa3681cd2d2324f12933abb0dbe813d3f06d6d30f3541ab2dfbb0025fa9049b7439ce2449decb207ed4492d33ff57ece8dfc569a89fe41002076
- SSDEEP 12288:6Bim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:G/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3444-3-0x0000000002920000-0x0000000002921000-memory.dmp dridex_stager_shellcode -
resource yara_rule behavioral2/memory/4904-0-0x00007FFC26D30000-0x00007FFC26DE8000-memory.dmp dridex_payload behavioral2/memory/3444-21-0x0000000140000000-0x00000001400B8000-memory.dmp dridex_payload behavioral2/memory/3444-29-0x0000000140000000-0x00000001400B8000-memory.dmp dridex_payload behavioral2/memory/3444-40-0x0000000140000000-0x00000001400B8000-memory.dmp dridex_payload behavioral2/memory/4904-43-0x00007FFC26D30000-0x00007FFC26DE8000-memory.dmp dridex_payload behavioral2/memory/4776-50-0x00007FFC22B00000-0x00007FFC22BB9000-memory.dmp dridex_payload behavioral2/memory/4776-55-0x00007FFC22B00000-0x00007FFC22BB9000-memory.dmp dridex_payload behavioral2/memory/4272-66-0x00007FFC22B00000-0x00007FFC22BFE000-memory.dmp dridex_payload behavioral2/memory/4272-71-0x00007FFC22B00000-0x00007FFC22BFE000-memory.dmp dridex_payload behavioral2/memory/3604-85-0x00007FFC145B0000-0x00007FFC1466F000-memory.dmp dridex_payload - Executes dropped EXE 3 IoCs
pid Process 4776 shrpubw.exe 4272 SystemSettingsRemoveDevice.exe 3604 eudcedit.exe - Loads dropped DLL 3 IoCs
pid Process 4776 shrpubw.exe 4272 SystemSettingsRemoveDevice.exe 3604 eudcedit.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Domyyfn = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Crypto\\RSA\\WCogJdXJMJ\\SystemSettingsRemoveDevice.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA shrpubw.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SystemSettingsRemoveDevice.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA eudcedit.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4904 rundll32.exe 4904 rundll32.exe 4904 rundll32.exe 4904 rundll32.exe 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found 3444 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3444 wrote to memory of 4172 3444 Process not Found 97 PID 3444 wrote to memory of 4172 3444 Process not Found 97 PID 3444 wrote to memory of 4776 3444 Process not Found 98 PID 3444 wrote to memory of 4776 3444 Process not Found 98 PID 3444 wrote to memory of 4348 3444 Process not Found 99 PID 3444 wrote to memory of 4348 3444 Process not Found 99 PID 3444 wrote to memory of 4272 3444 Process not Found 100 PID 3444 wrote to memory of 4272 3444 Process not Found 100 PID 3444 wrote to memory of 840 3444 Process not Found 102 PID 3444 wrote to memory of 840 3444 Process not Found 102 PID 3444 wrote to memory of 3604 3444 Process not Found 103 PID 3444 wrote to memory of 3604 3444 Process not Found 103 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7b1a8c22ef8e7b028d171abf3fdc6607e1ddbb48dcc342bc2a209019e544b0fb.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:4904
-
C:\Windows\system32\shrpubw.exeC:\Windows\system32\shrpubw.exe1⤵PID:4172
-
C:\Users\Admin\AppData\Local\5wr\shrpubw.exeC:\Users\Admin\AppData\Local\5wr\shrpubw.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4776
-
C:\Windows\system32\SystemSettingsRemoveDevice.exeC:\Windows\system32\SystemSettingsRemoveDevice.exe1⤵PID:4348
-
C:\Users\Admin\AppData\Local\qVeuKUv4\SystemSettingsRemoveDevice.exeC:\Users\Admin\AppData\Local\qVeuKUv4\SystemSettingsRemoveDevice.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4272
-
C:\Windows\system32\eudcedit.exeC:\Windows\system32\eudcedit.exe1⤵PID:840
-
C:\Users\Admin\AppData\Local\qvQlEE\eudcedit.exeC:\Users\Admin\AppData\Local\qvQlEE\eudcedit.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3604
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\5wr\shrpubw.exe
- Size 59KB
- SHA256 6b84e6e55d8572d7edf0b6243d00abb651fcb0cddddac8461de5f9bb80035a2e
- MD5 9910d5c62428ec5f92b04abf9428eec9
- SHA1 05f27d7515e8ae1fa3bc974ec65b864ec4c9ac8b
- SHA512 01be043f7ff879a683e53962eec58456ba200d6787ea66581bb62669ae65d5e58a5577cdf23441165f7a535fce1dec933e3ad2465c72172b4a1488b24ce722cb
- SSDEEP 1536:YGanoDUow1Wt446VQFRlrDk7BOrkfRIUUgzwpRc:5nDKWt446VQF/r5k+jAww
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\5wr\srvcli.dll
- Size 740KB
- SHA256 a01702b34abee1f290df577652f1a48f00e4f1ac59594969050d311126ce4ad6
- MD5 db8a655ce5a97599f55ba7e16f832f0c
- SHA1 77d502b8131149851e4790ccc22f945443817922
- SHA512 43b69a6eea4b067a6de0c6ef756950a3451da4c181d9ca9c5674ee31407c086d87cd62796fb980f6f60be3061d574d2bfe4c03bc9c84968f79cecdbb91d010ed
- SSDEEP 12288:cBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:4/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\qVeuKUv4\DUI70.dll
- Size 1016KB
- SHA256 6bbbd00267f361772de9bba9a700733ce3f7035e2055a92f700e838340fc4a8d
- MD5 6c646ca044537e4859ed17aff60c93be
- SHA1 6602d76ee0f08a4381e9f7143dd4bc94cffc97bd
- SHA512 e426a26db47959362ef246cbb3987bcfea90a95b84bc69d6e1ebb5f09e5930c1fb359b23ce38158b44dc79f7e81b33bae0bea318c75aabb0606e4dd8df9ee328
- SSDEEP 12288:oBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdNKt7fJ:U/nts0Q9K/0ooRQIxAk2wi0N/CxfAA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\qVeuKUv4\SystemSettingsRemoveDevice.exe
- Size 39KB
- SHA256 9500731b2a3442f11dfd08a8adfe027e7f32ef5834c628eed4b78be74168470d
- MD5 7853f1c933690bb7c53c67151cbddeb0
- SHA1 d47a1ad0ccba4c988c8ffc5cbf9636fd4f4fa6e6
- SHA512 831993d610539d44422d769de6561a4622e1b9cb3d73253774b6cecabf57654a74cd88b4ebe20921585ea96d977225b9501f02a0f6a1fc7d2cad6824fd539304
- SSDEEP 768:F3YataRm53ZpK/PFoeXrBjxK0UmAZoxoNtaLOZ/TZEpkr6wD1PXT:9ka3ZAvrX+mpxoTFZ/TYaPXT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\qvQlEE\MFC42u.dll
- Size 764KB
- SHA256 47fb900f948001f28859d13bd9ecb76753bf17d472e8938d81e3a5de09db1689
- MD5 c2ab8f4e6799e5c9f844e793ce953f0f
- SHA1 445dd02a4982071866359d881e24326fa2bbfc8f
- SHA512 0aa9748e4f75a8c45065038494fe96bfb6c3eed1fcf350fb1bc74413bc78637fdd85e574f77dd5ebec1539d01dbf7b28216fd32df1d7a17c99e668fee05a903c
- SSDEEP 12288:4Bim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN2k:k/nts0Q9K/0ooRQIxAk2wi0N/F
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\qvQlEE\eudcedit.exe
- Size 365KB
- SHA256 83c8d1a7582b24b4bbc0d453c813487185c2b05c483bd1759ef647a7e7e92dfe
- MD5 a9de6557179d371938fbe52511b551ce
- SHA1 def460b4028788ded82dc55c36cb0df28599fd5f
- SHA512 5790cac8dae16a785b48f790e6645b137f211c1587fb64ea88e743b846ff3a886324afcfef4bebc61f869023b9a22ba925c461dfb2e12497b70f501e6b79153c
- SSDEEP 6144:K+bClLWeHMY88wTC673qqG/JAbxfZcQJ1PZSqtYVd:MZMvXtGBAbVl13tY7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Qoupr.lnk
- Size 991B
- SHA256 5498284023006a7ab3e756bbe73cd83926d4ad9e039be8b310023ac92224a078
- MD5 b8006df7fc3ee89744f0503068d25900
- SHA1 88ee9e8389a48fcb534b4519e675e07e378e989d
- SHA512 a7d79a72ac8e0a92e66800cc10500e0c36880c1aadce52589a4adf548e207146582d190df01324013e480dde31f53715bc17e9ce93d8ab5ad53fdf0a40c0c84b
- MD5 SHA1 SHA512