Analysis
- max time kernel
147s - max time network
149s - platform
windows10_x64 - resource
win10v200430 - submitted
12/07/2020, 22:30
Static task
static1
Behavioral task
behavioral1
Sample
CHIL65GHFR (1).dll
Resource
win7
General
- Target CHIL65GHFR (1).dll
- Size 361KB
- Sample200712-ja2xtpyb5a
- SHA256 43ca06c20a1d645beff33a1f034257f2db67b02066465fc5c72dfa69a27e6118
- MD5 2515977569cc16444ba33eee494fc4cb
- SHA1 5defd2096a0f1bc8c408a9419307746f9a6f3980
- SHA512 f52199789cc832ac2cb4612880230ef48f4231304018fd81997953abe3215f12778c9b29d18eb655ff5b13fe76f9b49aca4be338e7affeef4c93bf3f4b774798
- MD5 SHA1 SHA512
Malware Config
Extracted
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trickbot
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1000512
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chil65
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95.171.16.42:443
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185.90.61.9:443
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5.1.81.68:443
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185.99.2.65:443
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134.119.191.11:443
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85.204.116.100:443
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78.108.216.47:443
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51.81.112.144:443
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194.5.250.121:443
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185.14.31.104:443
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185.99.2.66:443
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107.175.72.141:443
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192.3.247.123:443
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134.119.191.21:443
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85.204.116.216:443
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91.235.129.20:443
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181.129.104.139:449
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181.112.157.42:449
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181.129.134.18:449
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131.161.253.190:449
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121.100.19.18:449
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190.136.178.52:449
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45.6.16.68:449
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110.232.76.39:449
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122.50.6.122:449
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103.12.161.194:449
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36.91.45.10:449
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110.93.15.98:449
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80.210.32.67:449
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103.111.83.246:449
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200.107.35.154:449
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36.89.182.225:449
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36.89.243.241:449
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36.92.19.205:449
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110.50.84.5:449
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182.253.113.67:449
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36.66.218.117:449
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autorunName:pwgrab
Signatures
- Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4068 wrote to memory of 1132 4068 rundll32.exe 68 PID 4068 wrote to memory of 1132 4068 rundll32.exe 68 PID 4068 wrote to memory of 1132 4068 rundll32.exe 68 PID 1132 wrote to memory of 1504 1132 rundll32.exe 69 PID 1132 wrote to memory of 1504 1132 rundll32.exe 69 PID 1132 wrote to memory of 1504 1132 rundll32.exe 69 PID 1132 wrote to memory of 1504 1132 rundll32.exe 69 - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1504 wermgr.exe Token: SeDebugPrivilege 1504 wermgr.exe Token: SeDebugPrivilege 1504 wermgr.exe - Templ.dll packer 2 IoCs
Detects Templ.dll packer which usually loads Trickbot.
resource yara_rule behavioral2/memory/1132-1-0x0000000003F30000-0x0000000003F5E000-memory.dmp templ_dll behavioral2/memory/1132-2-0x0000000004380000-0x00000000043AD000-memory.dmp templ_dll - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\CHIL65GHFR (1).dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:4068 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\CHIL65GHFR (1).dll",#12⤵
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1504
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