gcleaner | 1a10164e5cdc3ddbc96e75468254a421b1646b24934a6bde3313229fc6f26f0e

Resubmissions

07/01/2024, 18:07

240107-wqhggsbfcm 10

15/01/2022, 16:15

220115-tp8wyaegg3 10

Analysis

max time kernel
139s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 18:07

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General

Target

379ebead1fb22627691fbd82cdc97817.exe
Size

425KB
MD5

379ebead1fb22627691fbd82cdc97817
SHA1

9c8d1836d857ea0368fcc882b6b089900f203e08
SHA256

1a10164e5cdc3ddbc96e75468254a421b1646b24934a6bde3313229fc6f26f0e
SHA512

1be3d939a8dbb1a8bb44d56239aa1474e7f0123b40289747a3a0bb7dfc9fb0a581dca0752f6d26518e7d9e745d654e52a82809cec1afbafb285a044f6cae728c
SSDEEP

6144:0JEb+g8Yjk5egDV4jDfi0swLwn94drMZMY5/Ge9aPcziZnJ37Lf1Ik5eLe9g:cESg/k5eYaXLIXZMc9TW1J3Xfn5e

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

web-stat.biz

privatevolume.bi

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral3/memory/2624-2-0x0000000000740000-0x000000000078C000-memory.dmp	family_onlylogger
behavioral3/memory/2624-3-0x0000000000400000-0x000000000057A000-memory.dmp	family_onlylogger
behavioral3/memory/2624-5-0x0000000000400000-0x000000000057A000-memory.dmp	family_onlylogger
behavioral3/memory/2624-6-0x0000000000740000-0x000000000078C000-memory.dmp	family_onlylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	379ebead1fb22627691fbd82cdc97817.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
976	2624	WerFault.exe	89
2816	2624	WerFault.exe	89
4000	2624	WerFault.exe	89
4888	2624	WerFault.exe	89
2960	2624	WerFault.exe	89
1328	2624	WerFault.exe	89
2368	2624	WerFault.exe	89

Kills process with taskkill 1 IoCs

evasion

pid	Process
5020	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 60	2624	379ebead1fb22627691fbd82cdc97817.exe	105
PID 2624 wrote to memory of 60	2624	379ebead1fb22627691fbd82cdc97817.exe	105
PID 2624 wrote to memory of 60	2624	379ebead1fb22627691fbd82cdc97817.exe	105
PID 60 wrote to memory of 5020	60	cmd.exe	109
PID 60 wrote to memory of 5020	60	cmd.exe	109
PID 60 wrote to memory of 5020	60	cmd.exe	109

C:\Users\Admin\AppData\Local\Temp\379ebead1fb22627691fbd82cdc97817.exe
"C:\Users\Admin\AppData\Local\Temp\379ebead1fb22627691fbd82cdc97817.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 724
  2⤵
  - Program crash
  PID:976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 784
  2⤵
  - Program crash
  PID:2816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 792
  2⤵
  - Program crash
  PID:4000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 816
  2⤵
  - Program crash
  PID:4888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 972
  2⤵
  - Program crash
  PID:2960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 988
  2⤵
  - Program crash
  PID:1328
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:60
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "379ebead1fb22627691fbd82cdc97817.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 744
  2⤵
  - Program crash
  PID:2368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2624 -ip 2624
1⤵
PID:2056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2624 -ip 2624
1⤵
PID:216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2624 -ip 2624
1⤵
PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2624 -ip 2624
1⤵
PID:3836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2624 -ip 2624
1⤵
PID:1240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2624 -ip 2624
1⤵
PID:1904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2624 -ip 2624
1⤵
PID:3888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2624-1-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download
memory/2624-2-0x0000000000740000-0x000000000078C000-memory.dmp

Filesize
304KB

Download
memory/2624-3-0x0000000000400000-0x000000000057A000-memory.dmp

Filesize
1.5MB

Download
memory/2624-5-0x0000000000400000-0x000000000057A000-memory.dmp

Filesize
1.5MB

Download
memory/2624-6-0x0000000000740000-0x000000000078C000-memory.dmp

Filesize
304KB

Download