Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
12-05-2022 16:20
Static task
static1
Behavioral task
behavioral1
Sample
check.dll
Resource
win7-20220414-en
General
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Target
check.dll
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Size
453KB
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MD5
19cf698a9ec21bb5a1b12c9c462e2d3d
-
SHA1
b2b24c301064bfe51f9db437caeb50e6e4b7070d
-
SHA256
94dfc86b7314e9b0981a4e3667d5b82711ab82a3079f2441788bb9523249a7eb
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SHA512
6f69f04682b6ce910b13a16ff1bd96802e4c0f85c72eda85231fb6be5ee6e520129d421aaa648c4f11fba117384a80376999a755fa30f837bb648ccc7a326991
Malware Config
Extracted
trickbot
2000029
che1
103.66.72.217:443
117.252.68.211:443
103.124.173.35:443
115.73.211.230:443
117.54.250.246:443
131.0.112.122:443
102.176.221.78:443
181.176.161.143:443
154.79.251.172:443
103.111.199.76:443
103.54.41.193:443
154.79.244.182:443
154.79.245.158:443
139.255.116.42:443
178.254.161.250:443
178.134.47.166:443
158.181.179.229:443
103.90.197.33:443
109.207.165.40:443
178.72.192.20:443
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autorunName:pwgrab
Signatures
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Processes:
resource yara_rule behavioral2/memory/4712-131-0x0000000002C70000-0x0000000002E96000-memory.dmp templ_dll -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 4520 wermgr.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 4760 wrote to memory of 4712 4760 rundll32.exe rundll32.exe PID 4760 wrote to memory of 4712 4760 rundll32.exe rundll32.exe PID 4760 wrote to memory of 4712 4760 rundll32.exe rundll32.exe PID 4712 wrote to memory of 4520 4712 rundll32.exe wermgr.exe PID 4712 wrote to memory of 4520 4712 rundll32.exe wermgr.exe PID 4712 wrote to memory of 4520 4712 rundll32.exe wermgr.exe PID 4712 wrote to memory of 4520 4712 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\check.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\check.dll,#12⤵
- Suspicious use of WriteProcessMemory
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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/4520-132-0x0000000000000000-mapping.dmp
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memory/4520-134-0x0000022B13380000-0x0000022B133A8000-memory.dmpFilesize
160KB
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memory/4712-130-0x0000000000000000-mapping.dmp
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memory/4712-131-0x0000000002C70000-0x0000000002E96000-memory.dmpFilesize
2.1MB
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memory/4712-133-0x0000000002EA0000-0x0000000002EE3000-memory.dmpFilesize
268KB