gcleaner | d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
21-06-2024 20:10

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General

Target

d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe
Size

296KB
MD5

de09d3fc3184201fdfaa9293dfcddb3d
SHA1

169f2b3edc5e8f728f9922d1f12e8b7451f1677d
SHA256

d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1
SHA512

e9f40d1a96477027667587946ec7d2c88badfb5d30354f9dd18d7436737e1083b0e2bcd789c0e01c5c99bec9b7fd5188eca0cd3ce469eb5acf8300b3d1c58764
SSDEEP

6144:zOcIvBQfhPEbt9ysSzNt88mnOn+Edx5ynVUF23M:zOcIvBQpsbuPTpmY+E75g3

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4056 3620 WerFault.exe d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4740 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4740 taskkill.exe

pid	pid_target	process	target process
4056	3620	WerFault.exe	d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe

pid	process
4740	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4740	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.execmd.exe

description	pid	process	target process
PID 3620 wrote to memory of 2188	3620	d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe	cmd.exe
PID 3620 wrote to memory of 2188	3620	d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe	cmd.exe
PID 3620 wrote to memory of 2188	3620	d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe	cmd.exe
PID 2188 wrote to memory of 4740	2188	cmd.exe	taskkill.exe
PID 2188 wrote to memory of 4740	2188	cmd.exe	taskkill.exe
PID 2188 wrote to memory of 4740	2188	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe
"C:\Users\Admin\AppData\Local\Temp\d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2188
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d46f2ca70bedf6a91b96aa7156346953e0eca16d1f0fa6a1d0761c7ec6232ac1.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 1744
  2⤵
  - Program crash
  PID:4056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3620 -ip 3620
1⤵
PID:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

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\L5RX1ZBN\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3620-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/3620-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3620-2-0x0000000002180000-0x00000000021BC000-memory.dmp

Filesize
240KB

Download
memory/3620-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3620-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3620-20-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/3620-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3620-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3620-33-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download