gcleaner | a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f

General

Target

a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe
Size

351KB
MD5

763fcbe3425a2abfb6ee647122e74c72
SHA1

72a7ef3e5d89bc2ceb9ec2a89b2a8b1c9dd4226e
SHA256

a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f
SHA512

cd969661c4d6edcf4053253614c6571936071fe0c606e5c42734caa199628a3241ac86e1308a80dbd83101e39129f2a793ca32775fa315ad70e65fd2009092a5
SSDEEP

6144:0Fb0nnixOAznhuYjahPmMBLbM9X32IOujTB:0anixOenR+hPPBcx2/s

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

185.172.128.69

Attributes

url_path
/advdlc.php

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

pid	pid_target	Process	procid_target
2184	824	WerFault.exe	89
4692	824	WerFault.exe	89
4900	824	WerFault.exe	89
2112	824	WerFault.exe	89
644	824	WerFault.exe	89
760	824	WerFault.exe	89
656	824	WerFault.exe	89
3828	824	WerFault.exe	89
2732	824	WerFault.exe	89

Kills process with taskkill 1 IoCs

evasion

pid	Process
4016	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 4444	824	a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe	117
PID 824 wrote to memory of 4444	824	a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe	117
PID 824 wrote to memory of 4444	824	a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe	117
PID 4444 wrote to memory of 4016	4444	cmd.exe	121
PID 4444 wrote to memory of 4016	4444	cmd.exe	121
PID 4444 wrote to memory of 4016	4444	cmd.exe	121

C:\Users\Admin\AppData\Local\Temp\a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe
"C:\Users\Admin\AppData\Local\Temp\a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 740
  2⤵
  - Program crash
  PID:2184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 760
  2⤵
  - Program crash
  PID:4692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 788
  2⤵
  - Program crash
  PID:4900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 776
  2⤵
  - Program crash
  PID:2112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 904
  2⤵
  - Program crash
  PID:644
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 984
  2⤵
  - Program crash
  PID:760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 1080
  2⤵
  - Program crash
  PID:656
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 1352
  2⤵
  - Program crash
  PID:3828
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4444
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a65ffeb8826e3acc5b8ee765897314b85dd599767d0eee6521caa58071a52a3f.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 1376
  2⤵
  - Program crash
  PID:2732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 824 -ip 824
1⤵
PID:1860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 824 -ip 824
1⤵
PID:1088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 824 -ip 824
1⤵
PID:1252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 824 -ip 824
1⤵
PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 824 -ip 824
1⤵
PID:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 824 -ip 824
1⤵
PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 824 -ip 824
1⤵
PID:2336

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3944 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 824 -ip 824
1⤵
PID:4880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 824 -ip 824
1⤵
PID:3232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/824-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/824-2-0x00000000004B0000-0x00000000004DD000-memory.dmp

Filesize
180KB

Download
memory/824-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/824-4-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/824-9-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/824-11-0x00000000004B0000-0x00000000004DD000-memory.dmp

Filesize
180KB

Download
memory/824-13-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/824-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/824-24-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/824-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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