gcleaner | 473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb

General

Target

473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
Size

344KB
MD5

08545811862e0988ff75e2cefb7197ad
SHA1

44a94206f67ea6ba1a8eb7e670351fcd9b4cd9db
SHA256

473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb
SHA512

5909c910ca15b8cae493b8437a855542c95ae3b976dcba2dc1ff2b03b6aa7f623d7bc00aeec7c58d84442575245c384b0058e2b3f3ccf7c07d19602a83926680
SSDEEP

6144:d9DRCQ9xRyM8fyxJ+FFmlpEtEMQt9lIeUe:jDb/DJHZtn

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
Downloads MZ/PE file

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:

473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

Processes:

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

pid	pid_target	process	target process
2856	4160	WerFault.exe	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
3604	4160	WerFault.exe	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
3180	4160	WerFault.exe	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
3540	4160	WerFault.exe	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
4056	4160	WerFault.exe	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
548	4160	WerFault.exe	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
2816	4160	WerFault.exe	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
4564	4160	WerFault.exe	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
4176	4160	WerFault.exe	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3540 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3540 taskkill.exe

pid	process
3540	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3540	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.execmd.exe

description	pid	process	target process
PID 4160 wrote to memory of 2320	4160	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe	cmd.exe
PID 4160 wrote to memory of 2320	4160	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe	cmd.exe
PID 4160 wrote to memory of 2320	4160	473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe	cmd.exe
PID 2320 wrote to memory of 3540	2320	cmd.exe	taskkill.exe
PID 2320 wrote to memory of 3540	2320	cmd.exe	taskkill.exe
PID 2320 wrote to memory of 3540	2320	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe
"C:\Users\Admin\AppData\Local\Temp\473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 456
2⤵
- Program crash
PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 756
2⤵
- Program crash
PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 808
2⤵
- Program crash
PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 808
2⤵
- Program crash
PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 756
2⤵
- Program crash
PID:4056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 928
2⤵
- Program crash
PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 948
2⤵
- Program crash
PID:2816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 1576
2⤵
- Program crash
PID:4564

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2320

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "473de0cfd6a9b2d71ea3f9db86c0f4bc83003a7ea710dd6968bde614969609cb.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 1696
2⤵
- Program crash
PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4160 -ip 4160
1⤵
PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4160 -ip 4160
1⤵
PID:3800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4160 -ip 4160
1⤵
PID:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4160 -ip 4160
1⤵
PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4160 -ip 4160
1⤵
PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4160 -ip 4160
1⤵
PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4160 -ip 4160
1⤵
PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 4160 -ip 4160
1⤵
PID:2720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 4160 -ip 4160
1⤵
PID:3584

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=3464 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:5036

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/4160-1-0x0000000002100000-0x0000000002200000-memory.dmp

Filesize
1024KB

Download
memory/4160-2-0x0000000002040000-0x000000000207C000-memory.dmp

Filesize
240KB

Download
memory/4160-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4160-4-0x0000000000400000-0x0000000001FA2000-memory.dmp

Filesize
27.6MB

Download
memory/4160-9-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4160-13-0x0000000000400000-0x0000000001FA2000-memory.dmp

Filesize
27.6MB

Download
memory/4160-15-0x0000000002100000-0x0000000002200000-memory.dmp

Filesize
1024KB

Download
memory/4160-17-0x0000000002040000-0x000000000207C000-memory.dmp

Filesize
240KB

Download
memory/4160-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4160-37-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4160-36-0x0000000000400000-0x0000000001FA2000-memory.dmp

Filesize
27.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads