Analysis
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max time kernel
27s -
max time network
140s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
23-03-2021 16:42
Static task
static1
Behavioral task
behavioral1
Sample
GVer.iks.dll
Resource
win7v20201028
General
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Target
GVer.iks.dll
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Size
432KB
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MD5
6a653a2eb2417619f4cf1f4e0132b39f
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SHA1
bce93fda262914a83ef7590eab8908a97f9cbd09
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SHA256
01b6ab63f7078d952ed1a18850ac202bc201aa6210592c108a2e0a4d16f06fc5
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SHA512
eb4d9d8e702cb0cf0162e160b7bb5661ea5fd0faf58845477172051a2049cc4fe9984fdcea25b916515e55fa773d7e31ed45a4b76b5af7a974120c631f8bcf1e
Malware Config
Extracted
trickbot
2000027
rob35
174.105.236.140:443
67.79.117.70:443
162.155.225.130:443
70.235.74.189:443
72.164.254.204:443
173.219.76.169:443
98.6.253.142:443
137.27.167.58:443
24.182.101.64:449
50.208.68.153:443
67.212.241.127:443
99.147.197.147:443
216.186.128.26:443
174.105.233.82:443
70.119.220.241:443
70.125.241.196:443
24.153.175.236:443
96.68.79.18:443
75.87.15.158:443
47.190.2.12:443
72.180.57.176:443
173.198.151.86:443
47.51.219.98:443
162.155.10.150:443
162.155.69.74:443
71.15.77.155:443
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autorunName:pwgrab
Signatures
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Templ.dll packer 1 IoCs
Detects Templ.dll packer which usually loads Trickbot.
Processes:
resource yara_rule behavioral1/memory/1980-4-0x00000000002F0000-0x0000000000327000-memory.dmp templ_dll -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 wtfismyip.com -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 576 wermgr.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1616 wrote to memory of 1980 1616 rundll32.exe rundll32.exe PID 1616 wrote to memory of 1980 1616 rundll32.exe rundll32.exe PID 1616 wrote to memory of 1980 1616 rundll32.exe rundll32.exe PID 1616 wrote to memory of 1980 1616 rundll32.exe rundll32.exe PID 1616 wrote to memory of 1980 1616 rundll32.exe rundll32.exe PID 1616 wrote to memory of 1980 1616 rundll32.exe rundll32.exe PID 1616 wrote to memory of 1980 1616 rundll32.exe rundll32.exe PID 1980 wrote to memory of 576 1980 rundll32.exe wermgr.exe PID 1980 wrote to memory of 576 1980 rundll32.exe wermgr.exe PID 1980 wrote to memory of 576 1980 rundll32.exe wermgr.exe PID 1980 wrote to memory of 576 1980 rundll32.exe wermgr.exe PID 1980 wrote to memory of 576 1980 rundll32.exe wermgr.exe PID 1980 wrote to memory of 576 1980 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\GVer.iks.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\GVer.iks.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
Loading Replay Monitor...
Downloads
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memory/576-5-0x0000000000000000-mapping.dmp
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memory/576-9-0x0000000000060000-0x0000000000088000-memory.dmpFilesize
160KB
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memory/576-10-0x0000000000110000-0x0000000000111000-memory.dmpFilesize
4KB
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memory/1980-2-0x0000000000000000-mapping.dmp
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memory/1980-3-0x00000000765A1000-0x00000000765A3000-memory.dmpFilesize
8KB
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memory/1980-4-0x00000000002F0000-0x0000000000327000-memory.dmpFilesize
220KB
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memory/1980-6-0x0000000000750000-0x0000000000793000-memory.dmpFilesize
268KB
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memory/1980-7-0x00000000001C0000-0x00000000001C1000-memory.dmpFilesize
4KB
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memory/1980-8-0x0000000010001000-0x0000000010003000-memory.dmpFilesize
8KB