gcleaner | fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f

General

Target

fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
Size

356KB
MD5

f09c488bfeff422f0acc8db51c7b590d
SHA1

657e239e1f833936621e9dfd825cb31137112fc6
SHA256

fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f
SHA512

b3bb99e399f6a5b293d955a2237cf9ffdc7d2ab02754813cce3b6478e6620968330319b4c531cc4325e01d1696950406473ca7178d8116e749d8ac6fcd1e62fa
SSDEEP

6144:TrT21hhM/SHN+L9nDUJ9VVsiG+N3GoA2Hbv+C:TrKZSQTPsz+N

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

185.172.128.69

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

Processes:

fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe

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

System Information Discovery
T1082

Program crash 10 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
2856	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
2156	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
2284	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
1620	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
384	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
4700	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
3956	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
5056	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
1864	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
4436	2960	WerFault.exe	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3724 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3724 taskkill.exe

pid	process
3724	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3724	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.execmd.exe

description	pid	process	target process
PID 2960 wrote to memory of 1916	2960	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe	cmd.exe
PID 2960 wrote to memory of 1916	2960	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe	cmd.exe
PID 2960 wrote to memory of 1916	2960	fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe	cmd.exe
PID 1916 wrote to memory of 3724	1916	cmd.exe	taskkill.exe
PID 1916 wrote to memory of 3724	1916	cmd.exe	taskkill.exe
PID 1916 wrote to memory of 3724	1916	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe
"C:\Users\Admin\AppData\Local\Temp\fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 448
2⤵
- Program crash
PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 772
2⤵
- Program crash
PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 780
2⤵
- Program crash
PID:2284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 780
2⤵
- Program crash
PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 856
2⤵
- Program crash
PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 932
2⤵
- Program crash
PID:4700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1020
2⤵
- Program crash
PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1052
2⤵
- Program crash
PID:5056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1044
2⤵
- Program crash
PID:1864

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "fc3bfda544affa06f4dcb553fd2cd4f54d359b57cfdfd7ddeccd30a9757b896f.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1388
2⤵
- Program crash
PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2960 -ip 2960
1⤵
PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2960 -ip 2960
1⤵
PID:2004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2960 -ip 2960
1⤵
PID:3408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2960 -ip 2960
1⤵
PID:4576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2960 -ip 2960
1⤵
PID:1380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2960 -ip 2960
1⤵
PID:2588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2960 -ip 2960
1⤵
PID:4452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2960 -ip 2960
1⤵
PID:1112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2960 -ip 2960
1⤵
PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 2960 -ip 2960
1⤵
PID:1200

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 --field-trial-handle=3468,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=4108 /prefetch:8
1⤵
PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2960-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2960-2-0x0000000002100000-0x000000000213C000-memory.dmp

Filesize
240KB

Download
memory/2960-1-0x00000000022B0000-0x00000000023B0000-memory.dmp

Filesize
1024KB

Download
memory/2960-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2960-6-0x0000000000400000-0x0000000001FA4000-memory.dmp

Filesize
27.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads