gcleaner | 7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21-06-2024 12:37

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General

Target

7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe
Size

332KB
MD5

864d8eb9879f8ab811df82a22683ac74
SHA1

f434f755d8acf1937c60d457882a03829d29662b
SHA256

7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90
SHA512

b02aa2eea5a3aead2bc1f1dd0c6c4af63927eaeaa0d519e4824571e59121b1bd93bc14eea8b1644cad1e08416a4596295a84ac0b7f4ad2eac9ba04a3d4d58b21
SSDEEP

6144:aAYn+pijVxdVsPpeWBMejKK1jeqcI/Gch5nq9/:nYn+pixxd+heWL1j5cYGenqp

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

Processes:

7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe

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

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

5112 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 5112 taskkill.exe

pid	process
5112	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	5112	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.execmd.exe

description	pid	process	target process
PID 4532 wrote to memory of 1528	4532	7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe	cmd.exe
PID 4532 wrote to memory of 1528	4532	7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe	cmd.exe
PID 4532 wrote to memory of 1528	4532	7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe	cmd.exe
PID 1528 wrote to memory of 5112	1528	cmd.exe	taskkill.exe
PID 1528 wrote to memory of 5112	1528	cmd.exe	taskkill.exe
PID 1528 wrote to memory of 5112	1528	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe
"C:\Users\Admin\AppData\Local\Temp\7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4532

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "7918db42bdb96b0c9b2aceda1cdc28d98f074f32ea3e53834d4e0b2403bf3b90.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5112

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W5OVUPOF\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/4532-1-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/4532-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4532-2-0x00000000006C0000-0x00000000006FC000-memory.dmp

Filesize
240KB

Download
memory/4532-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4532-14-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/4532-22-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/4532-23-0x00000000006C0000-0x00000000006FC000-memory.dmp

Filesize
240KB

Download
memory/4532-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4532-34-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/4532-35-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download