Analysis
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max time kernel
181s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
03-05-2022 12:02
Static task
static1
Behavioral task
behavioral1
Sample
mon92_cr.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
mon92_cr.dll
-
Size
547KB
-
MD5
35ee773079b553e228c8cc8ddad09e80
-
SHA1
f485418aaaf6f19e3667aab47d6c2fcb4cb3d545
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SHA256
e2f6ac2c144bf28ac853c5dc3f3c4ce5ff08f42076c1d996c1ebb6362f9e66dc
-
SHA512
c7e0127018de1b8e51c98f222591bf7b2f185f4c2292797cb1261958419f012396c8f5d8be94e03dbd60cd00202b7bb858c114dfaefdcbdfaca1a57a8406c85c
Malware Config
Extracted
Family
trickbot
Version
100013
Botnet
mon92
C2
103.225.138.94:449
122.2.28.70:449
123.200.26.246:449
131.255.106.152:449
142.112.79.223:449
154.126.176.30:449
180.92.238.186:449
187.20.217.129:449
201.20.118.122:449
202.91.41.138:449
95.210.118.90:449
Attributes
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autorunName:pwgrab
ecc_pubkey.base64
Signatures
-
Processes:
resource yara_rule behavioral2/memory/4236-131-0x00000000027C0000-0x00000000027F7000-memory.dmp templ_dll -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 4752 wermgr.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 4672 wrote to memory of 4236 4672 rundll32.exe rundll32.exe PID 4672 wrote to memory of 4236 4672 rundll32.exe rundll32.exe PID 4672 wrote to memory of 4236 4672 rundll32.exe rundll32.exe PID 4236 wrote to memory of 4136 4236 rundll32.exe wermgr.exe PID 4236 wrote to memory of 4136 4236 rundll32.exe wermgr.exe PID 4236 wrote to memory of 4752 4236 rundll32.exe wermgr.exe PID 4236 wrote to memory of 4752 4236 rundll32.exe wermgr.exe PID 4236 wrote to memory of 4752 4236 rundll32.exe wermgr.exe PID 4236 wrote to memory of 4752 4236 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mon92_cr.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mon92_cr.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/4236-130-0x0000000000000000-mapping.dmp
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memory/4236-131-0x00000000027C0000-0x00000000027F7000-memory.dmpFilesize
220KB
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memory/4236-133-0x0000000002800000-0x0000000002843000-memory.dmpFilesize
268KB
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memory/4752-132-0x0000000000000000-mapping.dmp
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memory/4752-134-0x0000028E8DEF0000-0x0000028E8DF18000-memory.dmpFilesize
160KB