gcleaner | 4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d

General

Target

4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
Size

365KB
MD5

a8d8dad594ea632e322e42977ebc099f
SHA1

656c398d5e4ef5e742d14524fdd6e4cca68387d3
SHA256

4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d
SHA512

96f0802d4d8c8c29387c8240323d65cda146f10b23b1089a81e087dc998b6d612e82e1ca25fe14453a636e4ca026feeb924fdad612c0fa1c92f84fd57fcbe544
SSDEEP

6144:UjNLzUb6oGqDrm/ICDCh7DVOnKamuA4wy57ApV:UBMbN3u/IRdDVUKeALm7

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

185.172.128.69

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

Processes:

4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.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
1428	2152	WerFault.exe	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
4816	2152	WerFault.exe	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
4632	2152	WerFault.exe	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
904	2152	WerFault.exe	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
3660	2152	WerFault.exe	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
1416	2152	WerFault.exe	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
1440	2152	WerFault.exe	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
3956	2152	WerFault.exe	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
1772	2152	WerFault.exe	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2960 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2960 taskkill.exe

pid	process
2960	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2960	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.execmd.exe

description	pid	process	target process
PID 2152 wrote to memory of 3924	2152	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe	cmd.exe
PID 2152 wrote to memory of 3924	2152	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe	cmd.exe
PID 2152 wrote to memory of 3924	2152	4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe	cmd.exe
PID 3924 wrote to memory of 2960	3924	cmd.exe	taskkill.exe
PID 3924 wrote to memory of 2960	3924	cmd.exe	taskkill.exe
PID 3924 wrote to memory of 2960	3924	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe
"C:\Users\Admin\AppData\Local\Temp\4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 740
  2⤵
  - Program crash
  PID:1428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 748
  2⤵
  - Program crash
  PID:4816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 748
  2⤵
  - Program crash
  PID:4632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 756
  2⤵
  - Program crash
  PID:904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 904
  2⤵
  - Program crash
  PID:3660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 984
  2⤵
  - Program crash
  PID:1416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 1080
  2⤵
  - Program crash
  PID:1440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 1360
  2⤵
  - Program crash
  PID:3956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3924
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "4453b9f6adf4307de337cb6d919a5a5021aff5a00d0f8627f395c5f0c6f5624d.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 1392
  2⤵
  - Program crash
  PID:1772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2152 -ip 2152
1⤵
PID:1688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2152 -ip 2152
1⤵
PID:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2152 -ip 2152
1⤵
PID:3120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2152 -ip 2152
1⤵
PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2152 -ip 2152
1⤵
PID:4984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2152 -ip 2152
1⤵
PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2152 -ip 2152
1⤵
PID:864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2152 -ip 2152
1⤵
PID:1088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2152 -ip 2152
1⤵
PID:3576

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZRDQ3WBJ\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2152-1-0x00000000024F0000-0x00000000025F0000-memory.dmp

Filesize
1024KB

Download
memory/2152-2-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2152-3-0x0000000000400000-0x0000000002378000-memory.dmp

Filesize
31.5MB

Download
memory/2152-8-0x0000000000400000-0x0000000002378000-memory.dmp

Filesize
31.5MB

Download
memory/2152-11-0x00000000024F0000-0x00000000025F0000-memory.dmp

Filesize
1024KB

Download
memory/2152-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2152-21-0x0000000000400000-0x0000000002378000-memory.dmp

Filesize
31.5MB

Download
memory/2152-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads