onlylogger | 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052

Analysis

max time kernel
38s
max time network
68s
platform
windows7_x64
resource
win7-20220414-en
submitted
08/05/2022, 06:21

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General

Target
8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe
Size 442KB
Sample220508-g4c2lahcd2
SHA256 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052
MD5 82be6306378a74bef5b66427f62fc8b1
SHA1 eae8efe9e35bb561e1b368a55e90c39039834d01
SHA512 74826e04813938e1f7105fd08bf4335e8740633f3e326d2ec2db853a60c0e49127f7695264babb4d2271c5d1a03c5fe0e54c6b7151ed6a0a3300ab38c0240f41
MD5 SHA1 SHA512

Score

10^/10

onlylogger loader

Malware Config

Signatures

OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger Payload 2 IoCs

resource	yara_rule
behavioral1/memory/2024-56-0x0000000000250000-0x0000000000296000-memory.dmp	family_onlylogger
behavioral1/memory/2024-57-0x0000000000400000-0x0000000000C4B000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
1532	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
112	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	112	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1532	2024	8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe	28
PID 2024 wrote to memory of 1532	2024	8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe	28
PID 2024 wrote to memory of 1532	2024	8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe	28
PID 2024 wrote to memory of 1532	2024	8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe	28
PID 1532 wrote to memory of 112	1532	cmd.exe	30
PID 1532 wrote to memory of 112	1532	cmd.exe	30
PID 1532 wrote to memory of 112	1532	cmd.exe	30
PID 1532 wrote to memory of 112	1532	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe
"C:\Users\Admin\AppData\Local\Temp\8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1532
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2024-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

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memory/2024-55-0x0000000000D9B000-0x0000000000DC3000-memory.dmp

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memory/2024-56-0x0000000000250000-0x0000000000296000-memory.dmp

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memory/2024-57-0x0000000000400000-0x0000000000C4B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads