gcleaner | e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04

General

Target

e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
Size

275KB
MD5

384651495c8919b75a6c25482f1ea43f
SHA1

d9cdebb9ceb4ed73c14f4cfba4f2e034f351fd2e
SHA256

e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04
SHA512

ffe0e414b3cca1d35405f9aa7bfe50e0145a1d5b490aba39d18f602b2bc063be160b2927325c486a7c2e031c4875561a69cc6f12e4b899afc63fe0eb66468d43
SSDEEP

6144:oJzN04wtrYIvpPomtCNb0U61tjzcLPVjM2wtlz:EN07trYmHUx56PjzcLd42wz

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:

e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.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
2204	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
2156	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
3632	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
4100	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
4536	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
1712	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
588	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
3008	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
2364	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
1904	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
2092	3916	WerFault.exe	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1724 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1724 taskkill.exe

pid	process
1724	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1724	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.execmd.exe

description	pid	process	target process
PID 3916 wrote to memory of 3940	3916	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe	cmd.exe
PID 3916 wrote to memory of 3940	3916	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe	cmd.exe
PID 3916 wrote to memory of 3940	3916	e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe	cmd.exe
PID 3940 wrote to memory of 1724	3940	cmd.exe	taskkill.exe
PID 3940 wrote to memory of 1724	3940	cmd.exe	taskkill.exe
PID 3940 wrote to memory of 1724	3940	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe
"C:\Users\Admin\AppData\Local\Temp\e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 468
2⤵
- Program crash
PID:2204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 516
2⤵
- Program crash
PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 748
2⤵
- Program crash
PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 768
2⤵
- Program crash
PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 748
2⤵
- Program crash
PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 788
2⤵
- Program crash
PID:1712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 916
2⤵
- Program crash
PID:588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 916
2⤵
- Program crash
PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 1072
2⤵
- Program crash
PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 1364
2⤵
- Program crash
PID:1904

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3940

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e2bc38359ff9556921e3d8be0c073eee5bd1fc26d326e860c038f15f5a53dc04.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 1312
2⤵
- Program crash
PID:2092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3916 -ip 3916
1⤵
PID:2324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3916 -ip 3916
1⤵
PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3916 -ip 3916
1⤵
PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3916 -ip 3916
1⤵
PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3916 -ip 3916
1⤵
PID:1340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3916 -ip 3916
1⤵
PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3916 -ip 3916
1⤵
PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3916 -ip 3916
1⤵
PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3916 -ip 3916
1⤵
PID:3124

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=1748,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=4152 /prefetch:8
1⤵
PID:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3916 -ip 3916
1⤵
PID:3092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3916 -ip 3916
1⤵
PID:1992

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

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Downloads

memory/3916-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

Filesize
1024KB

Download
memory/3916-2-0x0000000002E10000-0x0000000002E4C000-memory.dmp

Filesize
240KB

Download
memory/3916-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3916-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3916-6-0x0000000000400000-0x0000000002CA3000-memory.dmp

Filesize
40.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads