gcleaner | 994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 23:37

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General

Target

994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe
Size

368KB
MD5

809a4cf6f057257df2b5e77e1a445168
SHA1

d98a51e61f1bd17c04eb876edcbf23d047280d18
SHA256

994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f
SHA512

5ed052c64a95144931f5a5f53a878dc03868c18d7015e8c614ebcb8a5ec843597db93853a1eec3ab3dce60935e5a059c19199fe3a2dd743f550f2fc5781b0175
SSDEEP

6144:RPTPL+kk4F2edJZirYGNrAMegVuNylSkG1qb:RbPCkkm5kNrA8VuN1

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

2272 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

2844 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2844 taskkill.exe

pid	process
2272	cmd.exe

pid	process
2844	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2844	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.execmd.exe

description	pid	process	target process
PID 2172 wrote to memory of 2272	2172	994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe	cmd.exe
PID 2172 wrote to memory of 2272	2172	994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe	cmd.exe
PID 2172 wrote to memory of 2272	2172	994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe	cmd.exe
PID 2172 wrote to memory of 2272	2172	994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe	cmd.exe
PID 2272 wrote to memory of 2844	2272	cmd.exe	taskkill.exe
PID 2272 wrote to memory of 2844	2272	cmd.exe	taskkill.exe
PID 2272 wrote to memory of 2844	2272	cmd.exe	taskkill.exe
PID 2272 wrote to memory of 2844	2272	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe
"C:\Users\Admin\AppData\Local\Temp\994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2272

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "994761a2e3db4372321ab46019b71d82978abd12cd0df7fa43180653c2cc3f8f.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2844

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\1M46YZP1\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2172-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2172-2-0x0000000000220000-0x000000000024D000-memory.dmp

Filesize
180KB

Download
memory/2172-1-0x00000000027C0000-0x00000000028C0000-memory.dmp

Filesize
1024KB

Download
memory/2172-9-0x0000000000400000-0x0000000002378000-memory.dmp

Filesize
31.5MB

Download
memory/2172-14-0x00000000027C0000-0x00000000028C0000-memory.dmp

Filesize
1024KB

Download
memory/2172-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2172-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2172-22-0x00000000027C0000-0x00000000028C0000-memory.dmp

Filesize
1024KB

Download
memory/2172-21-0x0000000000400000-0x0000000002378000-memory.dmp

Filesize
31.5MB

Download