gcleaner | d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd

General

Target

d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe
Size

352KB
MD5

e36c47d5e088672fd7e6b6648cb24774
SHA1

6dd9019351b8db00d17c87d7e30243e1ba836e9f
SHA256

d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd
SHA512

6c1171bfd2d403bccdf01db2e6fc0e9f97314bf3f464bd6a47dc1a550bbb44dfcc9f640dd7f6af2416b52ce2022ce055c37eff1faadaf05e03571a7d86d4f270
SSDEEP

3072:jQiFIngBWqxQoYkANroId+3qrf/OJOLnUl9i7VPQb96VP6a1P8q0tHB1pgaJm2P+:jungsrZdm9400SGF+x0ikoHKMa3G+T

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

pid	pid_target	Process	procid_target
2528	2240	WerFault.exe	84
4924	2240	WerFault.exe	84
3264	2240	WerFault.exe	84
4984	2240	WerFault.exe	84
3912	2240	WerFault.exe	84
4300	2240	WerFault.exe	84
3012	2240	WerFault.exe	84
1084	2240	WerFault.exe	84
2076	2240	WerFault.exe	84

Kills process with taskkill 1 IoCs

evasion

pid	Process
5088	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5088	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 4508	2240	d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe	112
PID 2240 wrote to memory of 4508	2240	d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe	112
PID 2240 wrote to memory of 4508	2240	d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe	112
PID 4508 wrote to memory of 5088	4508	cmd.exe	116
PID 4508 wrote to memory of 5088	4508	cmd.exe	116
PID 4508 wrote to memory of 5088	4508	cmd.exe	116

C:\Users\Admin\AppData\Local\Temp\d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe
"C:\Users\Admin\AppData\Local\Temp\d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 456
  2⤵
  - Program crash
  PID:2528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 768
  2⤵
  - Program crash
  PID:4924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 788
  2⤵
  - Program crash
  PID:3264
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 788
  2⤵
  - Program crash
  PID:4984
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 860
  2⤵
  - Program crash
  PID:3912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 928
  2⤵
  - Program crash
  PID:4300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 1008
  2⤵
  - Program crash
  PID:3012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 1580
  2⤵
  - Program crash
  PID:1084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d1748609d41c31a8e7acd601e6d15ffea9500cb91fbfe5efcc7a3f52db6506dd.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 1704
  2⤵
  - Program crash
  PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2240 -ip 2240
1⤵
PID:2696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2240 -ip 2240
1⤵
PID:3676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2240 -ip 2240
1⤵
PID:2608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2240 -ip 2240
1⤵
PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2240 -ip 2240
1⤵
PID:4532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2240 -ip 2240
1⤵
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2240 -ip 2240
1⤵
PID:2628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2240 -ip 2240
1⤵
PID:2180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 2240 -ip 2240
1⤵
PID:836

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K7TNQP8W\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2240-1-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2240-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2240-2-0x00000000022B0000-0x00000000022EC000-memory.dmp

Filesize
240KB

Download
memory/2240-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2240-15-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2240-19-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2240-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2240-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2240-33-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download

Analysis

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