Analysis
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max time kernel
73s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
12-05-2022 12:00
Static task
static1
Behavioral task
behavioral1
Sample
bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe
Resource
win10v2004-20220414-en
General
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Target
bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe
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Size
249KB
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MD5
325ad9cb87d12330e7fc94507282f799
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SHA1
7e34a218700dcfc430a631cf64c72e9f0d2d39f7
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SHA256
bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30
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SHA512
47e75f47147dc919e808f70182decee3c3ee25391ad4a9672dc4fac88dbc80e684e53beba9afdb7946b019a6a623ab1f6012cba9265a178da52724cfa333a5e4
Malware Config
Signatures
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OnlyLogger
A tiny loader that uses IPLogger to get its payload.
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OnlyLogger Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/912-57-0x0000000000220000-0x0000000000266000-memory.dmp family_onlylogger behavioral1/memory/912-58-0x0000000000400000-0x0000000000F9C000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1216 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 2008 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 2008 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.execmd.exedescription pid Process procid_target PID 912 wrote to memory of 1216 912 bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe 28 PID 912 wrote to memory of 1216 912 bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe 28 PID 912 wrote to memory of 1216 912 bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe 28 PID 912 wrote to memory of 1216 912 bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe 28 PID 1216 wrote to memory of 2008 1216 cmd.exe 30 PID 1216 wrote to memory of 2008 1216 cmd.exe 30 PID 1216 wrote to memory of 2008 1216 cmd.exe 30 PID 1216 wrote to memory of 2008 1216 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe"C:\Users\Admin\AppData\Local\Temp\bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2008
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