gcleaner | c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 23:57

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General

Target

c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe
Size

256KB
MD5

81a8fefdf803a3e4ff0d94e17a427a0c
SHA1

256a6618a92486211c32bc557141ff328032bcf6
SHA256

c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33
SHA512

849ae2ffc88ac129c17611b17e6266ed080f43d1badc7389cf3a0cf8fa681064505379461f0c5b4c8d26b71863ca47660fdd1faf2f83d92ef0d56fbef9ad3496
SSDEEP

3072:D6vq3HIP+Wx2LKBzAvai+Z04Z6JjMCApI88mJijW0SEDinl/+gkog81L2zpxXLvr:WvGPvZ4XgK0SAinl2gGxpxbVBxa7cyT

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90

185.172.128.69

Attributes

url_path
/advdlc.php

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2380 cmd.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

2832 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2832 taskkill.exe

pid	process
2380	cmd.exe

pid	process
2832	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2832	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.execmd.exe

description	pid	process	target process
PID 1912 wrote to memory of 2380	1912	c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe	cmd.exe
PID 1912 wrote to memory of 2380	1912	c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe	cmd.exe
PID 1912 wrote to memory of 2380	1912	c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe	cmd.exe
PID 1912 wrote to memory of 2380	1912	c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe	cmd.exe
PID 2380 wrote to memory of 2832	2380	cmd.exe	taskkill.exe
PID 2380 wrote to memory of 2832	2380	cmd.exe	taskkill.exe
PID 2380 wrote to memory of 2832	2380	cmd.exe	taskkill.exe
PID 2380 wrote to memory of 2832	2380	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe
"C:\Users\Admin\AppData\Local\Temp\c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "c405c0cc45fd3ad0c7be46ec67a7c94bb0d07ee381f36a50ea170a215fdcdc33.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2832

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Temporary Internet Files\Content.IE5\B1014REI\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1912-2-0x0000000000230000-0x000000000025D000-memory.dmp

Filesize
180KB

Download
memory/1912-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1912-1-0x0000000000810000-0x0000000000910000-memory.dmp

Filesize
1024KB

Download
memory/1912-9-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/1912-15-0x0000000000810000-0x0000000000910000-memory.dmp

Filesize
1024KB

Download
memory/1912-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1912-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1912-22-0x0000000000810000-0x0000000000910000-memory.dmp

Filesize
1024KB

Download
memory/1912-21-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download