gcleaner | ea25dcf8f74b1d1094825d695807839f48230a800420cd2c57a05f7f6fe5a5bb

Resubmissions

07-01-2024 18:07

240107-wqjpjscef5 10

15-01-2022 08:34

220115-kgnrcsdggm 10

Analysis

max time kernel
186s
max time network
225s
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

425b312c607eaa405059b4928a65cba8.exe
Size

420KB
MD5

425b312c607eaa405059b4928a65cba8
SHA1

3caefbcad6d742e8c1849ec2d8ce092c0c75152f
SHA256

ea25dcf8f74b1d1094825d695807839f48230a800420cd2c57a05f7f6fe5a5bb
SHA512

89d9c201da31815db48bbb0fea5268044a412dac91677f8d9fc9a7ff1b9eec9d0c8b3c864b340148a22cacbd6b2e3a37dbfd94170ccba3d059ee261c402d1fa6
SSDEEP

12288:hET5GSUENyq2QSfyrVVM6O83C1+ZOXzh:aTXUENRFlZVMusYOj

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/2056-2-0x00000000021D0000-0x000000000221C000-memory.dmp	family_onlylogger
behavioral3/memory/2056-3-0x0000000000400000-0x0000000000579000-memory.dmp	family_onlylogger
behavioral3/memory/2056-8-0x00000000021D0000-0x000000000221C000-memory.dmp	family_onlylogger
behavioral3/memory/2056-16-0x0000000000400000-0x0000000000579000-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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	425b312c607eaa405059b4928a65cba8.exe

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

System Information Discovery
T1082

Program crash 8 IoCs

pid	pid_target	Process	procid_target
1688	2056	WerFault.exe	89
1612	2056	WerFault.exe	89
5084	2056	WerFault.exe	89
932	2056	WerFault.exe	89
4404	2056	WerFault.exe	89
4392	2056	WerFault.exe	89
2428	2056	WerFault.exe	89
4608	2056	WerFault.exe	89

Kills process with taskkill 1 IoCs

evasion

pid	Process
180	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	180	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 408	2056	425b312c607eaa405059b4928a65cba8.exe	117
PID 2056 wrote to memory of 408	2056	425b312c607eaa405059b4928a65cba8.exe	117
PID 2056 wrote to memory of 408	2056	425b312c607eaa405059b4928a65cba8.exe	117
PID 408 wrote to memory of 180	408	cmd.exe	120
PID 408 wrote to memory of 180	408	cmd.exe	120
PID 408 wrote to memory of 180	408	cmd.exe	120

C:\Users\Admin\AppData\Local\Temp\425b312c607eaa405059b4928a65cba8.exe
"C:\Users\Admin\AppData\Local\Temp\425b312c607eaa405059b4928a65cba8.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 736
  2⤵
  - Program crash
  PID:1688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 812
  2⤵
  - Program crash
  PID:1612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 928
  2⤵
  - Program crash
  PID:5084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 940
  2⤵
  - Program crash
  PID:932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 948
  2⤵
  - Program crash
  PID:4404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 968
  2⤵
  - Program crash
  PID:4392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 972
  2⤵
  - Program crash
  PID:2428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "425b312c607eaa405059b4928a65cba8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\425b312c607eaa405059b4928a65cba8.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:408
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "425b312c607eaa405059b4928a65cba8.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 728
  2⤵
  - Program crash
  PID:4608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2056 -ip 2056
1⤵
PID:652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2056 -ip 2056
1⤵
PID:1900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2056 -ip 2056
1⤵
PID:4020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2056 -ip 2056
1⤵
PID:3716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2056 -ip 2056
1⤵
PID:1852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2056 -ip 2056
1⤵
PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2056 -ip 2056
1⤵
PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2056 -ip 2056
1⤵
PID:4896

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/2056-1-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/2056-2-0x00000000021D0000-0x000000000221C000-memory.dmp

Filesize
304KB

Download
memory/2056-3-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2056-7-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/2056-8-0x00000000021D0000-0x000000000221C000-memory.dmp

Filesize
304KB

Download
memory/2056-16-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download