gcleaner | 0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914

General

Target

0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
Size

270KB
MD5

18347695f260995a2c6f706e300809a8
SHA1

44b677a1916fae0a48a514a7747c605e6ac75506
SHA256

0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914
SHA512

894428cb810d2665f0a9a57712996a8c2a76c11cdd8778aacb897c28cf63ff2ace8eb791bb647ff435511acd6c604de57e6971fdc669383f4f80e72561f42d94
SSDEEP

6144:SH+nU6qNhXWOs8A7yOwMPY76axlD0f4TpKbetQkAdbm:SH+U6qzWUOwcYlD0aYbeJAg

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:

0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe

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

System Information Discovery
T1082

Program crash 11 IoCs

Processes:

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

pid	pid_target	process	target process
1800	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
4992	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
728	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
3304	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
4612	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
3320	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
4408	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
2360	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
404	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
4268	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
2200	376	WerFault.exe	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3012 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3012 taskkill.exe

pid	process
3012	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3012	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.execmd.exe

description	pid	process	target process
PID 376 wrote to memory of 1020	376	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe	cmd.exe
PID 376 wrote to memory of 1020	376	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe	cmd.exe
PID 376 wrote to memory of 1020	376	0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe	cmd.exe
PID 1020 wrote to memory of 3012	1020	cmd.exe	taskkill.exe
PID 1020 wrote to memory of 3012	1020	cmd.exe	taskkill.exe
PID 1020 wrote to memory of 3012	1020	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe
"C:\Users\Admin\AppData\Local\Temp\0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 452
2⤵
- Program crash
PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 456
2⤵
- Program crash
PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 748
2⤵
- Program crash
PID:728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 784
2⤵
- Program crash
PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 784
2⤵
- Program crash
PID:4612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 820
2⤵
- Program crash
PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 912
2⤵
- Program crash
PID:4408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 988
2⤵
- Program crash
PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 1052
2⤵
- Program crash
PID:404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 1356
2⤵
- Program crash
PID:4268

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1020

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "0fcd363a94473dfdb467c47887a54787f2a56d1c2ccfd7644ef49714dea55914.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 1284
2⤵
- Program crash
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 376 -ip 376
1⤵
PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 376 -ip 376
1⤵
PID:4520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 376 -ip 376
1⤵
PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 376 -ip 376
1⤵
PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 376 -ip 376
1⤵
PID:2508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 376 -ip 376
1⤵
PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 376 -ip 376
1⤵
PID:1544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 376 -ip 376
1⤵
PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 376 -ip 376
1⤵
PID:4856

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=3764,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3800 /prefetch:8
1⤵
PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 376 -ip 376
1⤵
PID:372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 376 -ip 376
1⤵
PID:1048

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

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Downloads

memory/376-1-0x0000000002D80000-0x0000000002E80000-memory.dmp

Filesize
1024KB

Download
memory/376-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/376-2-0x0000000004930000-0x000000000496C000-memory.dmp

Filesize
240KB

Download
memory/376-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/376-6-0x0000000000400000-0x0000000002CA3000-memory.dmp

Filesize
40.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads