Analysis
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max time kernel
48s -
max time network
82s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
11-05-2022 02:27
Static task
static1
Behavioral task
behavioral1
Sample
2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe
Resource
win10v2004-20220414-en
General
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Target
2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe
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Size
329KB
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MD5
e5f43915f2c0d360df5f85384bf558af
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SHA1
031ec5f080777aadc8eebc7736ad631882702eb4
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SHA256
2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6
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SHA512
a3bfeb57ae27c93e280ac3be44ed37871f04985d78a540d0351231c04dc8e7acf5ccc2ee7254286a3b7117cbb0fed89ae463de6652b83173de4e9b8e3f2db308
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/1952-56-0x0000000000220000-0x0000000000266000-memory.dmp family_onlylogger behavioral1/memory/1952-57-0x0000000000400000-0x00000000004F8000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1204 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 1932 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 1932 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.execmd.exedescription pid Process procid_target PID 1952 wrote to memory of 1204 1952 2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe 27 PID 1952 wrote to memory of 1204 1952 2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe 27 PID 1952 wrote to memory of 1204 1952 2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe 27 PID 1952 wrote to memory of 1204 1952 2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe 27 PID 1204 wrote to memory of 1932 1204 cmd.exe 29 PID 1204 wrote to memory of 1932 1204 cmd.exe 29 PID 1204 wrote to memory of 1932 1204 cmd.exe 29 PID 1204 wrote to memory of 1932 1204 cmd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe"C:\Users\Admin\AppData\Local\Temp\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "2cb27b0eb5d007394c13b6d21e079f6e06d5a8d3e3a4ea541cbf04b4d29523c6.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1932
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