Analysis
- max time kernel
154s - max time network
136s - platform
windows10_x64 - resource
win10v20210408 - submitted
31/08/2021, 06:46
Static task
static1
Behavioral task
behavioral1
Sample
24a1a29324373382b6691ea71c4f4b72de7196491d98f2ae538d6db29766c092.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 24a1a29324373382b6691ea71c4f4b72de7196491d98f2ae538d6db29766c092.dll
- Size 2.0MB
- Sample210831-kr2ele5hjj
- SHA256 24a1a29324373382b6691ea71c4f4b72de7196491d98f2ae538d6db29766c092
- MD5 1c27ab2a6573d0b39f3edced9b54d5bc
- SHA1 6ad1d66a2238ad652ac38461cc3935dcc2ea6211
- SHA512 530f1f28d3d4a18c0a480d5970ccc0b7cdb2caf391920b039d661838deeae55cc2472e5acfd23da172ffa2ec0ab228f1f80d1af7f7f94407fbf0e12c71003c9e
- MD5 SHA1 SHA512
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3092-119-0x0000000000A50000-0x0000000000A51000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 2956 wermgr.exe 764 sdclt.exe 2256 recdisc.exe - Loads dropped DLL 3 IoCs
pid Process 2956 wermgr.exe 764 sdclt.exe 2256 recdisc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rvhohwdqaanc = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Crypto\\RSA\\S-1-5-21-1594587808-2047097707-2163810515-1000\\7otyFG\\sdclt.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 wermgr.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA sdclt.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA recdisc.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance Process not Found Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 640 rundll32.exe 640 rundll32.exe 640 rundll32.exe 640 rundll32.exe 640 rundll32.exe 640 rundll32.exe 640 rundll32.exe 640 rundll32.exe 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3092 Process not Found - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3092 Process not Found Token: SeCreatePagefilePrivilege 3092 Process not Found Token: SeShutdownPrivilege 3092 Process not Found Token: SeCreatePagefilePrivilege 3092 Process not Found Token: SeShutdownPrivilege 3092 Process not Found Token: SeCreatePagefilePrivilege 3092 Process not Found Token: SeShutdownPrivilege 3092 Process not Found Token: SeCreatePagefilePrivilege 3092 Process not Found - Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3092 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3092 wrote to memory of 192 3092 Process not Found 74 PID 3092 wrote to memory of 192 3092 Process not Found 74 PID 3092 wrote to memory of 2956 3092 Process not Found 75 PID 3092 wrote to memory of 2956 3092 Process not Found 75 PID 3092 wrote to memory of 3576 3092 Process not Found 76 PID 3092 wrote to memory of 3576 3092 Process not Found 76 PID 3092 wrote to memory of 764 3092 Process not Found 77 PID 3092 wrote to memory of 764 3092 Process not Found 77 PID 3092 wrote to memory of 2220 3092 Process not Found 78 PID 3092 wrote to memory of 2220 3092 Process not Found 78 PID 3092 wrote to memory of 2256 3092 Process not Found 79 PID 3092 wrote to memory of 2256 3092 Process not Found 79
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\24a1a29324373382b6691ea71c4f4b72de7196491d98f2ae538d6db29766c092.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:640
-
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe1⤵PID:192
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C:\Users\Admin\AppData\Local\WxG5W\wermgr.exeC:\Users\Admin\AppData\Local\WxG5W\wermgr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2956
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C:\Windows\system32\sdclt.exeC:\Windows\system32\sdclt.exe1⤵PID:3576
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C:\Users\Admin\AppData\Local\sE7\sdclt.exeC:\Users\Admin\AppData\Local\sE7\sdclt.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:764
-
C:\Windows\system32\recdisc.exeC:\Windows\system32\recdisc.exe1⤵PID:2220
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C:\Users\Admin\AppData\Local\5AJKJ8H9Z\recdisc.exeC:\Users\Admin\AppData\Local\5AJKJ8H9Z\recdisc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2256