Analysis
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max time kernel
35s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
08-05-2022 06:21
Static task
static1
Behavioral task
behavioral1
Sample
5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe
Resource
win10v2004-20220414-en
General
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Target
5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe
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Size
443KB
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MD5
5f2d4cc6962b940f3e773e11c86d00cd
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SHA1
309e3fd0ed83381cf40e1b3f01b0edbef0563a13
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SHA256
5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0
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SHA512
f3871857c3c6806e1da7e0b391f281fffc93a111072e8b978cef75141c8012b1bab0019d717dfc80b912f8f47357a057ca3ec2a14faf8c2d93fa1f2426518ce4
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/1708-56-0x0000000000220000-0x0000000000266000-memory.dmp family_onlylogger behavioral1/memory/1708-57-0x0000000000400000-0x0000000000C4B000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1680 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 2004 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 2004 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.execmd.exedescription pid Process procid_target PID 1708 wrote to memory of 1680 1708 5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe 27 PID 1708 wrote to memory of 1680 1708 5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe 27 PID 1708 wrote to memory of 1680 1708 5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe 27 PID 1708 wrote to memory of 1680 1708 5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe 27 PID 1680 wrote to memory of 2004 1680 cmd.exe 29 PID 1680 wrote to memory of 2004 1680 cmd.exe 29 PID 1680 wrote to memory of 2004 1680 cmd.exe 29 PID 1680 wrote to memory of 2004 1680 cmd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe"C:\Users\Admin\AppData\Local\Temp\5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2004
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