gcleaner | 0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d

General

Target

0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe
Size

370KB
MD5

fa7383138b89d723bf99d6b40e9758ae
SHA1

32b4bb823a8decec83ff94f5bc944d3501c6a4fe
SHA256

0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d
SHA512

ba17701e8c0014adb1d34e202523561217aa3d4f0fa2d3c753a2f42fc076baa0d4759c207d3112304d678a5a79643c67442a6b48a55032a6f1a4c7afc2d6b688
SSDEEP

6144:j6N7kOswEGuk80dNtHJpqkRMzGQLDSvTH:KkYvpfBCaQL+H

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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2444 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe

pid process

2300 0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.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

2944 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2944 taskkill.exe

pid	process
2444	cmd.exe

pid	process
2300	0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe

pid	process
2944	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2944	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.execmd.exe

description	pid	process	target process
PID 2300 wrote to memory of 2444	2300	0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe	cmd.exe
PID 2300 wrote to memory of 2444	2300	0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe	cmd.exe
PID 2300 wrote to memory of 2444	2300	0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe	cmd.exe
PID 2300 wrote to memory of 2444	2300	0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe	cmd.exe
PID 2444 wrote to memory of 2944	2444	cmd.exe	taskkill.exe
PID 2444 wrote to memory of 2944	2444	cmd.exe	taskkill.exe
PID 2444 wrote to memory of 2944	2444	cmd.exe	taskkill.exe
PID 2444 wrote to memory of 2944	2444	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe
"C:\Users\Admin\AppData\Local\Temp\0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "0d4afd2cfed2d28a10ab663aa0c51f4b60d587b49020893490c5db7cbc9d0a4d.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\OORQXHVT\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
\Users\Admin\AppData\Local\Temp\GQ5pI8k6YGOJYUJKZO\Y-Cleaner.exe

Filesize
1.2MB

MD5
0151e006443174af2f2ea167eb3317fe

SHA1
4867584b2bb6a5d5b9082a5a1b5d2d571eed7ce2

SHA256
af722c86835a47bbb5913361b0cedd00288aa23edd04709460902e4cc04be497

SHA512
f8ab571eece442e2c50574420165cb5beeeced3d8561b645c7f771fd28d499fb77bede7c49be1777ee6edf57f86efb6f43614415aa69837cfc1620cca9211d7b

Download Submit
memory/2300-17-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2300-4-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2300-9-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2300-2-0x00000000002C0000-0x00000000002FC000-memory.dmp

Filesize
240KB

Download
memory/2300-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2300-21-0x00000000002C0000-0x00000000002FC000-memory.dmp

Filesize
240KB

Download
memory/2300-23-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2300-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2300-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2300-37-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2300-36-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2300-38-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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