gcleaner | e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75

General

Target

e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.exe
Size

329KB
MD5

ebe26fdff186b666d8efa26b0c5b01fb
SHA1

55e50c556217033702be8f2bf2406c289e1a45cb
SHA256

e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75
SHA512

adad28543cf16511d2fc51a90d9f819a95c2990b775cbc0e7039c7a0eab0d58bfd80a5f973958bbb3d39cc5d169f1d603f1e8d5599539e0cbab0c144ce688856
SSDEEP

3072:mqMNdvFveNv5nJDYS+npwazwXJ7V3Rerp7GBaOh+RCsomXC+rYq21icGqIizRjFz:mLGJnhdBkU2RPRYHkdqIOVDs

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.64

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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.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
1128	3904	WerFault.exe	90
1200	3904	WerFault.exe	90
544	3904	WerFault.exe	90
2968	3904	WerFault.exe	90
1756	3904	WerFault.exe	90
560	3904	WerFault.exe	90
3368	3904	WerFault.exe	90
1648	3904	WerFault.exe	90

Kills process with taskkill 1 IoCs

evasion

pid	Process
3876	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3876	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 4600	3904	e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.exe	115
PID 3904 wrote to memory of 4600	3904	e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.exe	115
PID 3904 wrote to memory of 4600	3904	e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.exe	115
PID 4600 wrote to memory of 3876	4600	cmd.exe	119
PID 4600 wrote to memory of 3876	4600	cmd.exe	119
PID 4600 wrote to memory of 3876	4600	cmd.exe	119

C:\Users\Admin\AppData\Local\Temp\e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.exe
"C:\Users\Admin\AppData\Local\Temp\e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 740
  2⤵
  - Program crash
  PID:1128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 760
  2⤵
  - Program crash
  PID:1200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 760
  2⤵
  - Program crash
  PID:544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 832
  2⤵
  - Program crash
  PID:2968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 812
  2⤵
  - Program crash
  PID:1756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 816
  2⤵
  - Program crash
  PID:560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 1336
  2⤵
  - Program crash
  PID:3368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4600
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "e9c8bf69a6d410a02da952248c0b111d2ab15ae1b8225bbc76ae0ed7f77cfa75.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 1312
  2⤵
  - Program crash
  PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3904 -ip 3904
1⤵
PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3904 -ip 3904
1⤵
PID:4192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3904 -ip 3904
1⤵
PID:2560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3904 -ip 3904
1⤵
PID:2056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3904 -ip 3904
1⤵
PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3904 -ip 3904
1⤵
PID:4140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3904 -ip 3904
1⤵
PID:2824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3904 -ip 3904
1⤵
PID:1460

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=4048 --field-trial-handle=3112,i,1786399861560734457,5606877702857066305,262144 --variations-seed-version /prefetch:8
1⤵
PID:4540

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

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Downloads

memory/3904-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/3904-2-0x00000000020C0000-0x00000000020ED000-memory.dmp

Filesize
180KB

Download
memory/3904-3-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3904-6-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3904-7-0x00000000020C0000-0x00000000020ED000-memory.dmp

Filesize
180KB

Download

Analysis

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