onlylogger | 3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8

Analysis

max time kernel
40s
max time network
44s
platform
windows7_x64
resource
win7-20220414-en
submitted
12/05/2022, 12:00

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General

Target
3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe
Size 231KB
Sample220512-n6fc3agddn
SHA256 3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8
MD5 5cb1e75311bd45338d7c3daff1d841f2
SHA1 460b6a6a4231419e241b6c82143cf763695d9116
SHA512 96cdf98c78633319a3874f958a7c79944ecc9c6eb8e854df96503ebf645ecb391236f72312fa3bf61528997162c59b1ff5b5d3e9dc2949e2c5c7cc1954cce57d
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/784-57-0x0000000000220000-0x0000000000266000-memory.dmp	family_onlylogger
behavioral1/memory/784-58-0x0000000000400000-0x0000000000F97000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
340	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
1984	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 340	784	3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe	27
PID 784 wrote to memory of 340	784	3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe	27
PID 784 wrote to memory of 340	784	3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe	27
PID 784 wrote to memory of 340	784	3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe	27
PID 340 wrote to memory of 1984	340	cmd.exe	29
PID 340 wrote to memory of 1984	340	cmd.exe	29
PID 340 wrote to memory of 1984	340	cmd.exe	29
PID 340 wrote to memory of 1984	340	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe
"C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:340
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1984

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/784-54-0x0000000001128000-0x0000000001150000-memory.dmp

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memory/784-55-0x0000000076391000-0x0000000076393000-memory.dmp

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memory/784-57-0x0000000000220000-0x0000000000266000-memory.dmp

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memory/784-56-0x0000000001128000-0x0000000001150000-memory.dmp

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memory/784-58-0x0000000000400000-0x0000000000F97000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads