gcleaner | 072365a14be0a827cbb8c1a4b5a916f8c0c68b63e665a3886646ff2f8adc6196

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
07/06/2024, 01:08

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General

Target

22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe
Size

352KB
MD5

234d6b88e2233488b2eb88415c3e739c
SHA1

fbbb9ab5a95b4947da0a5c03896d11e570c0b297
SHA256

22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b
SHA512

ab4f7d3c930a7af65855f8233d76a205b5e5a564c12425605cc33f0a38607327f1a617126b3feb408c8ae5ab2f5e95e199e6edf2ae80f0b5b4dda8897bb83414
SSDEEP

6144:imasVRdSnbzhOnEmKugskS7gqHVkG8rj7G3trkHiT:imasVREnbljMgtHO6z7G3D

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

Deletes itself 1 IoCs

pid	Process
2580	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2068	22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.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

pid	Process
2104	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2580	2068	22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe	29
PID 2068 wrote to memory of 2580	2068	22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe	29
PID 2068 wrote to memory of 2580	2068	22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe	29
PID 2068 wrote to memory of 2580	2068	22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe	29
PID 2580 wrote to memory of 2104	2580	cmd.exe	31
PID 2580 wrote to memory of 2104	2580	cmd.exe	31
PID 2580 wrote to memory of 2104	2580	cmd.exe	31
PID 2580 wrote to memory of 2104	2580	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe
"C:\Users\Admin\AppData\Local\Temp\22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "22468ceb0f9991c618e4d682d304b195a65e60a6f507629561106ed815b81f3b.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2104

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\Temporary Internet Files\Content.IE5\SVBQZB4R\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
\Users\Admin\AppData\Local\Temp\QYFimEbUx\Y-Cleaner.exe

Filesize
1.2MB

MD5
0151e006443174af2f2ea167eb3317fe

SHA1
4867584b2bb6a5d5b9082a5a1b5d2d571eed7ce2

SHA256
af722c86835a47bbb5913361b0cedd00288aa23edd04709460902e4cc04be497

SHA512
f8ab571eece442e2c50574420165cb5beeeced3d8561b645c7f771fd28d499fb77bede7c49be1777ee6edf57f86efb6f43614415aa69837cfc1620cca9211d7b

Download Submit
memory/2068-1-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download
memory/2068-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2068-2-0x0000000000220000-0x000000000025C000-memory.dmp

Filesize
240KB

Download
memory/2068-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2068-15-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2068-23-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download
memory/2068-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2068-34-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2068-36-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2068-35-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download