gcleaner | 5e0c90a4ea27def0601e4b42311c152cac4ce47bac6fd9c4260a78f8d9b072a0

Analysis

max time kernel
91s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 10:54

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General

Target

86b64627eb8a92ed5bfd385708bc8767.exe
Size

304KB
MD5

86b64627eb8a92ed5bfd385708bc8767
SHA1

07e3cf85813b5cff765635f9e0efdb8a1024cdfe
SHA256

5e0c90a4ea27def0601e4b42311c152cac4ce47bac6fd9c4260a78f8d9b072a0
SHA512

b2f4ffb6e15bca385bd7aba23fa04c5ceb469adf4cefb9df6380b66c189f910d89ee0d2b928316118aa4b2690d61c2c1b568ac6c3c35f2103c4ffc07c22d1132
SSDEEP

6144:DQmGABIJfwU4NiVDQPmd8BpdIJ+FvGokSWCcok2cxb:DQoiI1KQPEOSS3HvcF

Score

10^/10

gcleaner loader

Malware Config

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	86b64627eb8a92ed5bfd385708bc8767.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
15	iplogger.org
17	iplogger.org

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
22	freegeoip.app

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3516	1652	WerFault.exe	83

Kills process with taskkill 1 IoCs

evasion

pid	Process
3744	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3744	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 4900	1652	86b64627eb8a92ed5bfd385708bc8767.exe	91
PID 1652 wrote to memory of 4900	1652	86b64627eb8a92ed5bfd385708bc8767.exe	91
PID 1652 wrote to memory of 4900	1652	86b64627eb8a92ed5bfd385708bc8767.exe	91
PID 4900 wrote to memory of 3744	4900	cmd.exe	95
PID 4900 wrote to memory of 3744	4900	cmd.exe	95
PID 4900 wrote to memory of 3744	4900	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\86b64627eb8a92ed5bfd385708bc8767.exe
"C:\Users\Admin\AppData\Local\Temp\86b64627eb8a92ed5bfd385708bc8767.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "86b64627eb8a92ed5bfd385708bc8767.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\86b64627eb8a92ed5bfd385708bc8767.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "86b64627eb8a92ed5bfd385708bc8767.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 1800
  2⤵
  - Program crash
  PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1652 -ip 1652
1⤵
PID:4688

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1652-1-0x0000000002D60000-0x0000000002E60000-memory.dmp

Filesize
1024KB

Download
memory/1652-2-0x00000000048E0000-0x000000000492A000-memory.dmp

Filesize
296KB

Download
memory/1652-3-0x0000000000400000-0x0000000002CDC000-memory.dmp

Filesize
40.9MB

Download
memory/1652-4-0x0000000000400000-0x0000000002CDC000-memory.dmp

Filesize
40.9MB

Download
memory/1652-5-0x0000000002D60000-0x0000000002E60000-memory.dmp

Filesize
1024KB

Download
memory/1652-7-0x0000000000400000-0x0000000002CDC000-memory.dmp

Filesize
40.9MB

Download
memory/1652-8-0x00000000048E0000-0x000000000492A000-memory.dmp

Filesize
296KB

Download