Analysis
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max time kernel
1781s -
max time network
1798s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
11-06-2021 06:43
Static task
static1
Behavioral task
behavioral1
Sample
20210610_id068aa.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
20210610_id068aa.dll
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Size
460KB
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MD5
d79ab901b334ecfec1320778fdd507c5
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SHA1
1c273f4e329c5527625a75fcb9488522e9c555e0
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SHA256
87402c2ee3595cd862dbb82648aa9ebf17d41ceb05f912e50493d9ba96acb9a4
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SHA512
7505d65c9b81752a13dc1df1e0226173deb5e7caf22fb1a3a3131770c5853667c1989a4f3acb8e5035575ee77fa342ee855e277f639a700e5210424908f6c267
Malware Config
Extracted
Family
trickbot
Version
100017
Botnet
mon311
C2
178.72.192.20:443
103.124.145.98:443
45.5.152.39:443
114.7.240.222:443
85.248.1.126:443
94.183.237.101:443
146.196.121.219:443
89.37.1.2:443
94.142.179.77:443
177.221.39.161:443
85.175.171.246:443
103.12.160.164:443
180.178.106.50:443
94.142.179.179:443
46.209.140.220:443
123.231.149.122:443
123.231.149.123:443
182.160.116.190:443
131.0.112.122:443
116.0.6.110:443
103.101.104.229:443
88.150.240.129:443
103.242.104.68:443
Attributes
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autorunName:pwgrabbName:pwgrabc
ecc_pubkey.base64
Signatures
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 ipinfo.io -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\system32\cn\imrgrgb.txt wermgr.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 588 svchost.exe 524 svchost.exe 524 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1628 wermgr.exe Token: SeDebugPrivilege 588 svchost.exe Token: SeDebugPrivilege 524 svchost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 296 wrote to memory of 1992 296 regsvr32.exe 26 PID 296 wrote to memory of 1992 296 regsvr32.exe 26 PID 296 wrote to memory of 1992 296 regsvr32.exe 26 PID 296 wrote to memory of 1992 296 regsvr32.exe 26 PID 296 wrote to memory of 1992 296 regsvr32.exe 26 PID 296 wrote to memory of 1992 296 regsvr32.exe 26 PID 296 wrote to memory of 1992 296 regsvr32.exe 26 PID 1992 wrote to memory of 1656 1992 regsvr32.exe 28 PID 1992 wrote to memory of 1656 1992 regsvr32.exe 28 PID 1992 wrote to memory of 1656 1992 regsvr32.exe 28 PID 1992 wrote to memory of 1656 1992 regsvr32.exe 28 PID 1992 wrote to memory of 1628 1992 regsvr32.exe 29 PID 1992 wrote to memory of 1628 1992 regsvr32.exe 29 PID 1992 wrote to memory of 1628 1992 regsvr32.exe 29 PID 1992 wrote to memory of 1628 1992 regsvr32.exe 29 PID 1992 wrote to memory of 1628 1992 regsvr32.exe 29 PID 1992 wrote to memory of 1628 1992 regsvr32.exe 29 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32 PID 1628 wrote to memory of 588 1628 wermgr.exe 32
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\20210610_id068aa.dll1⤵
- Suspicious use of WriteProcessMemory
PID:296 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\20210610_id068aa.dll2⤵
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵PID:1656
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:588
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:524
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