Analysis
- max time kernel
149s - max time network
100s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
06/05/2024, 01:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1a284e601d4b39b13a2c1ea67fe0433b_JaffaCakes118.dll
Resource
win7-20240221-en
9 signatures
150 seconds
General
- Target 1a284e601d4b39b13a2c1ea67fe0433b_JaffaCakes118.dll
- Size 986KB
- Sample240506-b2cedsfh27
- SHA256 3b7790a2520c63e35ddae8ac5a3aed6c09b16a1a3506d414c6aedfc65cba9b34
- MD5 1a284e601d4b39b13a2c1ea67fe0433b
- SHA1 396f1bbc283017fe8a3df5bd487d2731e7fe347f
- SHA512 eb7ffe8c4f1da82e188214ed7af8ddd518afb30173cf058ac6ff54176f357fb95f629f36965342b5791dd5b85a82d5a9c8965866f480e356c4adba156f1d3386
- SSDEEP 24576:dVHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8:dV8hf6STw1ZlQauvzSq01ICe6zvm
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3436-4-0x0000000002AE0000-0x0000000002AE1000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 5768 SystemSettingsAdminFlows.exe 5724 rdpshell.exe 4524 SppExtComObj.Exe - Loads dropped DLL 3 IoCs
pid Process 5768 SystemSettingsAdminFlows.exe 5724 rdpshell.exe 4524 SppExtComObj.Exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Iwctvdcrnln = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Office\\Recent\\Prp2VOTi\\rdpshell.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SystemSettingsAdminFlows.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rdpshell.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SppExtComObj.Exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4616 rundll32.exe 4616 rundll32.exe 4616 rundll32.exe 4616 rundll32.exe 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found 3436 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3436 wrote to memory of 2104 3436 Process not Found 93 PID 3436 wrote to memory of 2104 3436 Process not Found 93 PID 3436 wrote to memory of 5768 3436 Process not Found 94 PID 3436 wrote to memory of 5768 3436 Process not Found 94 PID 3436 wrote to memory of 3736 3436 Process not Found 95 PID 3436 wrote to memory of 3736 3436 Process not Found 95 PID 3436 wrote to memory of 5724 3436 Process not Found 96 PID 3436 wrote to memory of 5724 3436 Process not Found 96 PID 3436 wrote to memory of 1636 3436 Process not Found 97 PID 3436 wrote to memory of 1636 3436 Process not Found 97 PID 3436 wrote to memory of 4524 3436 Process not Found 98 PID 3436 wrote to memory of 4524 3436 Process not Found 98 - 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\1a284e601d4b39b13a2c1ea67fe0433b_JaffaCakes118.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:4616
-
C:\Windows\system32\SystemSettingsAdminFlows.exeC:\Windows\system32\SystemSettingsAdminFlows.exe1⤵PID:2104
-
C:\Users\Admin\AppData\Local\Sso8n7qgT\SystemSettingsAdminFlows.exeC:\Users\Admin\AppData\Local\Sso8n7qgT\SystemSettingsAdminFlows.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:5768
-
C:\Windows\system32\rdpshell.exeC:\Windows\system32\rdpshell.exe1⤵PID:3736
-
C:\Users\Admin\AppData\Local\GmB\rdpshell.exeC:\Users\Admin\AppData\Local\GmB\rdpshell.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:5724
-
C:\Windows\system32\SppExtComObj.ExeC:\Windows\system32\SppExtComObj.Exe1⤵PID:1636
-
C:\Users\Admin\AppData\Local\C2Yex\SppExtComObj.ExeC:\Users\Admin\AppData\Local\C2Yex\SppExtComObj.Exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4524
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\C2Yex\ACTIVEDS.dll
- Size 987KB
- SHA256 e530ac70cbc608133caabfd769b324da2a2fc7d8ebcd45635086ad7371be6222
- MD5 972d588fed89ed5d5e26b95b2b89baf0
- SHA1 672993fc7474e1592c86ad8c23dd3ed30cebed12
- SHA512 1ff9371584cb65fffeac5f506cdb2a5fa1361fd98937810cee127cea7958005f10baffd0e2e65cf3e4037547e5139c15e824e872c74900425d894ea82ce7acdd
- SSDEEP 24576:YVHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8:YV8hf6STw1ZlQauvzSq01ICe6zvm
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\C2Yex\SppExtComObj.Exe
- Size 559KB
- SHA256 2a6581576305771044f07ea0fef27f77859996dbf66c2017e938f90bfc1e010c
- MD5 728a78909aa69ca0e976e94482350700
- SHA1 6508dfcbf37df25cae8ae68cf1fcd4b78084abb7
- SHA512 22bf985e71afa58a1365cc733c0aa03dabd4b44e7c6a136eb5f9b870db14470201b4ef88a19fa3864af6c44e79e1a01d6f8806062d9d4861ba7dac77d82074f1
- SSDEEP 12288:NyoBXlQ2Uu47gFeOHgskuzvABNK7PCxIZLx59kIQbwjX2m:NzK2U/EFPPxzv2N4PCxe
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\GmB\dwmapi.dll
- Size 988KB
- SHA256 244ded450ab1cf7fcb3342cef2d2a73b6266f4feb2ea580de7ad11bfbb618fc9
- MD5 18bc3fd089fd7e3c85f6b57b9587bdb3
- SHA1 97f155f18698f646dbebe3e73d671b84742aed1b
- SHA512 fa3d9dd5977e3b8b315ac60047459ad3b6433e95fc94aaf4489caf28f6c24716cdcd0b575f0b91abf65d51452a204b7decab103239e7a06afaa25cc38fee2cbb
- SSDEEP 24576:wVHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8:wV8hf6STw1ZlQauvzSq01ICe6zvm
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\GmB\rdpshell.exe
- Size 468KB
- SHA256 da6c395a2018d3439ad580a19e6a1ca5ff29ef9074411ee9f9f1b0a6365dfebd
- MD5 428066713f225bb8431340fa670671d4
- SHA1 47f6878ff33317c3fc09c494df729a463bda174c
- SHA512 292aad2762ae4dc519c69411aa114a29894f60ffac103813db4946f2fac4f5a166f66523c421529d6847c0882d8ab467392ee8da1e3a4fca0d6d4e6ebda5b737
- SSDEEP 12288:oh2pMO8Jc53jHw3TRi7SBirofNIcUW0/K:ohbO8JlTRs0i0fNx0/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Sso8n7qgT\DUI70.dll
- Size 1.2MB
- SHA256 89e723cbcd985df46a7da056cbe94511c508963bbefb475ef56c230025ea63e3
- MD5 311588e29d856f1995386eb54e6460ea
- SHA1 ce4ef3abb54aaafeeaa9f21f39da1578da901555
- SHA512 12756b1a11cfb3078927f409392e298926509fd8765a38e43f86abef86449f91a094bb4c414a1fde562108396656f643f8aee7ad44b1a353ee442871f4623660
- SSDEEP 24576:vVHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8i:vV8hf6STw1ZlQauvzSq01ICe6zvm
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Sso8n7qgT\SystemSettingsAdminFlows.exe
- Size 506KB
- SHA256 a7a2e7122d27308df37b7ab718ef3ac239e4216669f51331e34e205f59fb0aec
- MD5 50adb2c7c145c729b9de8b7cf967dd24
- SHA1 a31757f08da6f95156777c1132b6d5f1db3d8f30
- SHA512 715b4c93e79e896da1cf86cf4455a84cba1aeac34b6fd72d2afdf203a2034f6f8fac1d6501f0dd277a17bd1d7ab73ddd1887e01a99f2d26f39efeb94d0aac9b0
- SSDEEP 6144:fxxh4fHokz0y8rh7eF+RN6cJX+VuCeDAHigkiDRns7gElPVMMHjtyV:fT1kgyqh7qIEcl+8N8CYRs7FvjtyV
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Puokv.lnk
- Size 1KB
- SHA256 5c43863cef09f9e651743ed346db5036614177da32d2e254c41f3b952da18940
- MD5 8dfb2c3334a3a0c1f507695dd5885498
- SHA1 d90d2a8fd04e5cd0ad9096b0859fbc02dc99dc3d
- SHA512 dc6d73a95f2b2e3d17720b6623e75a85862b7c7e4eaa86e5ea4d8b682dc4bd94a8b07ff012ea227f87ea5f6f03c5f6423422551f96707ec6a363f4477da41fb9
- MD5 SHA1 SHA512