gcleaner | 49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7

Analysis

max time kernel
138s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 07:08

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General

Target
49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
Size 329KB
Sample240529-hynftafc96
SHA256 49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7
MD5 9ff15ec14128636b184e8e6acb5d28d6
SHA1 e0361d1db998c9def637119a3f8c6b5c02f36512
SHA512 ff890c0a0fa4a13414c5dd6ec7c71cfde63385cf79759af824aeb779e22ecb039d7727599f5b7373695496acd9967302f8579fa18a7017d94d39cfd47783fb52
SSDEEP 6144:ZOMYg52+e781ZJ5W3L8jxcKHoBOK8hbzhHy+CA/dLd:ZOMe7Q5W3AHoBSFhS+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.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
3912	4908	WerFault.exe	88
4492	4908	WerFault.exe	88
752	4908	WerFault.exe	88
1716	4908	WerFault.exe	88
4484	4908	WerFault.exe	88
2348	4908	WerFault.exe	88
3420	4908	WerFault.exe	88
4460	4908	WerFault.exe	88
4548	4908	WerFault.exe	88

Kills process with taskkill 1 IoCs

evasion

pid	Process
1684	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1684	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 2096	4908	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	116
PID 4908 wrote to memory of 2096	4908	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	116
PID 4908 wrote to memory of 2096	4908	49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe	116
PID 2096 wrote to memory of 1684	2096	cmd.exe	120
PID 2096 wrote to memory of 1684	2096	cmd.exe	120
PID 2096 wrote to memory of 1684	2096	cmd.exe	120

C:\Users\Admin\AppData\Local\Temp\49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe
"C:\Users\Admin\AppData\Local\Temp\49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 456
  2⤵
  - Program crash
  PID:3912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 772
  2⤵
  - Program crash
  PID:4492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 804
  2⤵
  - Program crash
  PID:752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 796
  2⤵
  - Program crash
  PID:1716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 804
  2⤵
  - Program crash
  PID:4484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 932
  2⤵
  - Program crash
  PID:2348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 1016
  2⤵
  - Program crash
  PID:3420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 1576
  2⤵
  - Program crash
  PID:4460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "49d95fac7f3b43346606b9baf069d690b6b70458538646ffc70179ff19dfb3c7.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1684
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 1696
  2⤵
  - Program crash
  PID:4548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4908 -ip 4908
1⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4908 -ip 4908
1⤵
PID:3904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4908 -ip 4908
1⤵
PID:368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4908 -ip 4908
1⤵
PID:948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4908 -ip 4908
1⤵
PID:3644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4908 -ip 4908
1⤵
PID:5016

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=4156 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:4740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4908 -ip 4908
1⤵
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4908 -ip 4908
1⤵
PID:5024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4908 -ip 4908
1⤵
PID:2124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/4908-4-0x0000000000400000-0x0000000001F9E000-memory.dmp

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memory/4908-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4908-1-0x0000000001FA0000-0x00000000020A0000-memory.dmp

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memory/4908-6-0x0000000001FA0000-0x00000000020A0000-memory.dmp

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memory/4908-7-0x0000000003BF0000-0x0000000003C2C000-memory.dmp

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memory/4908-9-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4908-8-0x0000000000400000-0x0000000001F9E000-memory.dmp

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memory/4908-15-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/4908-2-0x0000000003BF0000-0x0000000003C2C000-memory.dmp

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memory/4908-22-0x0000000000400000-0x0000000001F9E000-memory.dmp

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memory/4908-38-0x0000000000400000-0x0000000001F9E000-memory.dmp

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memory/4908-40-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4908-39-0x0000000000400000-0x0000000001F9E000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads