onlylogger | 1a10164e5cdc3ddbc96e75468254a421b1646b24934a6bde3313229fc6f26f0e

Resubmissions

07-01-2024 18:07

240107-wqhggsbfcm 10

15-01-2022 16:15

220115-tp8wyaegg3 10

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-en-20211208
submitted
15-01-2022 16:15

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General

Target

379ebead1fb22627691fbd82cdc97817.exe
Size

425KB
MD5

379ebead1fb22627691fbd82cdc97817
SHA1

9c8d1836d857ea0368fcc882b6b089900f203e08
SHA256

1a10164e5cdc3ddbc96e75468254a421b1646b24934a6bde3313229fc6f26f0e
SHA512

1be3d939a8dbb1a8bb44d56239aa1474e7f0123b40289747a3a0bb7dfc9fb0a581dca0752f6d26518e7d9e745d654e52a82809cec1afbafb285a044f6cae728c

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/1692-57-0x0000000000220000-0x000000000026C000-memory.dmp	family_onlylogger
behavioral1/memory/1692-58-0x0000000000400000-0x000000000057A000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

380 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

268 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 268 taskkill.exe

pid	process
380	cmd.exe

pid	process
268	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	268	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

379ebead1fb22627691fbd82cdc97817.execmd.exe

description	pid	process	target process
PID 1692 wrote to memory of 380	1692	379ebead1fb22627691fbd82cdc97817.exe	cmd.exe
PID 1692 wrote to memory of 380	1692	379ebead1fb22627691fbd82cdc97817.exe	cmd.exe
PID 1692 wrote to memory of 380	1692	379ebead1fb22627691fbd82cdc97817.exe	cmd.exe
PID 1692 wrote to memory of 380	1692	379ebead1fb22627691fbd82cdc97817.exe	cmd.exe
PID 380 wrote to memory of 268	380	cmd.exe	taskkill.exe
PID 380 wrote to memory of 268	380	cmd.exe	taskkill.exe
PID 380 wrote to memory of 268	380	cmd.exe	taskkill.exe
PID 380 wrote to memory of 268	380	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\379ebead1fb22627691fbd82cdc97817.exe
"C:\Users\Admin\AppData\Local\Temp\379ebead1fb22627691fbd82cdc97817.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "379ebead1fb22627691fbd82cdc97817.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\379ebead1fb22627691fbd82cdc97817.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:380

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "379ebead1fb22627691fbd82cdc97817.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:268

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/268-60-0x0000000000000000-mapping.dmp

Download
memory/380-59-0x0000000000000000-mapping.dmp

Download
memory/1692-55-0x000000000070B000-0x0000000000736000-memory.dmp

Filesize
172KB

Download
memory/1692-56-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1692-57-0x0000000000220000-0x000000000026C000-memory.dmp

Filesize
304KB

Download
memory/1692-58-0x0000000000400000-0x000000000057A000-memory.dmp

Filesize
1.5MB

Download