onlylogger | 3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62

General

Target

3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe
Size

435KB
MD5

c1fbe1e2fce911062f0d6b933e8689c3
SHA1

9d21b8582bbbecea6a67ce40906a975d99504b03
SHA256

3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62
SHA512

ba46705dfca8cb75707ca07b87f876a1217932522a7c14a69ccdc7822940aa8d9abdeeefba8517044d133b55041ecd8771c69c790b5ea2bc25e32fc1a1c69e3a

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

Processes:

resource	yara_rule
behavioral1/memory/1180-58-0x00000000002A0000-0x00000000002E9000-memory.dmp	family_onlylogger
behavioral1/memory/1180-60-0x0000000000400000-0x000000000089C000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2028 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

Processes:

taskkill.exe

pid process

2016 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2016 taskkill.exe

pid	process
2028	cmd.exe

pid	process
2016	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2016	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.execmd.exe

description	pid	process	target process
PID 1180 wrote to memory of 2028	1180	3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe	cmd.exe
PID 1180 wrote to memory of 2028	1180	3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe	cmd.exe
PID 1180 wrote to memory of 2028	1180	3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe	cmd.exe
PID 1180 wrote to memory of 2028	1180	3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe	cmd.exe
PID 2028 wrote to memory of 2016	2028	cmd.exe	taskkill.exe
PID 2028 wrote to memory of 2016	2028	cmd.exe	taskkill.exe
PID 2028 wrote to memory of 2016	2028	cmd.exe	taskkill.exe
PID 2028 wrote to memory of 2016	2028	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe
"C:\Users\Admin\AppData\Local\Temp\3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1180

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "3c74459ec6c11dd5a32d154b27eed6b90c1359edd2edb9f662a5bf9f0e7faf62.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2016

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1180-54-0x0000000000928000-0x0000000000952000-memory.dmp

Filesize
168KB

Download
memory/1180-55-0x0000000076C81000-0x0000000076C83000-memory.dmp

Filesize
8KB

Download
memory/1180-57-0x0000000000928000-0x0000000000952000-memory.dmp

Filesize
168KB

Download
memory/1180-58-0x00000000002A0000-0x00000000002E9000-memory.dmp

Filesize
292KB

Download
memory/1180-60-0x0000000000400000-0x000000000089C000-memory.dmp

Filesize
4.6MB

Download
memory/2016-59-0x0000000000000000-mapping.dmp

Download
memory/2028-56-0x0000000000000000-mapping.dmp

Download

Analysis

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