Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
11-05-2021 10:36
Static task
static1
Behavioral task
behavioral1
Sample
a085aab6c4d8cbc72954160639bb876d0531595a5baa2ff3321b323a55b13560.dll
Resource
win7v20210410
General
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Target
a085aab6c4d8cbc72954160639bb876d0531595a5baa2ff3321b323a55b13560.dll
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Size
768KB
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MD5
958f2d2965ef9b6b23134513688d36aa
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SHA1
5929406e2f36f8ad79c45ace27e437d6023fb638
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SHA256
a085aab6c4d8cbc72954160639bb876d0531595a5baa2ff3321b323a55b13560
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SHA512
56cbf9d0875e603ce3af6948e387043644c54481c3ddd99441686dc530164046e243f644b7aad00b215186b6b9f9d2e6772213da901176858bd6c4fe1b2a7a05
Malware Config
Extracted
trickbot
100013
mon123
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
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autorunName:pwgrab
Signatures
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Templ.dll packer 3 IoCs
Detects Templ.dll packer which usually loads Trickbot.
Processes:
resource yara_rule behavioral2/memory/3408-115-0x0000000001030000-0x0000000001069000-memory.dmp templ_dll behavioral2/memory/3408-116-0x0000000000FF0000-0x0000000001026000-memory.dmp templ_dll behavioral2/memory/3408-119-0x0000000001070000-0x00000000010A7000-memory.dmp templ_dll -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 1240 wermgr.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 3944 wrote to memory of 3408 3944 rundll32.exe rundll32.exe PID 3944 wrote to memory of 3408 3944 rundll32.exe rundll32.exe PID 3944 wrote to memory of 3408 3944 rundll32.exe rundll32.exe PID 3408 wrote to memory of 1256 3408 rundll32.exe cmd.exe PID 3408 wrote to memory of 1256 3408 rundll32.exe cmd.exe PID 3408 wrote to memory of 1256 3408 rundll32.exe cmd.exe PID 3408 wrote to memory of 1240 3408 rundll32.exe wermgr.exe PID 3408 wrote to memory of 1240 3408 rundll32.exe wermgr.exe PID 3408 wrote to memory of 1240 3408 rundll32.exe wermgr.exe PID 3408 wrote to memory of 1240 3408 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a085aab6c4d8cbc72954160639bb876d0531595a5baa2ff3321b323a55b13560.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a085aab6c4d8cbc72954160639bb876d0531595a5baa2ff3321b323a55b13560.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵PID:1256
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1240
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