gcleaner | 083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 19:49

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General

Target

083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
Size

276KB
MD5

80acdc4d806fef203351f575f9eb4aef
SHA1

1f3238a7c1f6c0b9ba56e412524ffae4e5bc654e
SHA256

083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9
SHA512

edd7f3d1ce29b12683176bd19b51abdc801f4948addfd7c6e8edd79885598f60787847eeefa8fb88204c970d1df809310ffc9541f36d29a674b49bd31db3828b
SSDEEP

6144:FnMA6ZC03GtLo8GNBkQVozODm0Fth045oS:eAAC03GpXslozOKC7Bv

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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2064 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

2656 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2656 taskkill.exe

pid	process
2064	cmd.exe

pid	process
2656	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2656	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.execmd.exe

description	pid	process	target process
PID 1724 wrote to memory of 2064	1724	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe	cmd.exe
PID 1724 wrote to memory of 2064	1724	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe	cmd.exe
PID 1724 wrote to memory of 2064	1724	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe	cmd.exe
PID 1724 wrote to memory of 2064	1724	083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe	cmd.exe
PID 2064 wrote to memory of 2656	2064	cmd.exe	taskkill.exe
PID 2064 wrote to memory of 2656	2064	cmd.exe	taskkill.exe
PID 2064 wrote to memory of 2656	2064	cmd.exe	taskkill.exe
PID 2064 wrote to memory of 2656	2064	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe
"C:\Users\Admin\AppData\Local\Temp\083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2064

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "083fff395834e2dbf57b83325317c78670b87480c778c1b895b0df41cc9b04b9.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2656

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

memory/1724-1-0x0000000002D20000-0x0000000002E20000-memory.dmp

Filesize
1024KB

Download
memory/1724-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1724-2-0x00000000002D0000-0x000000000030C000-memory.dmp

Filesize
240KB

Download
memory/1724-8-0x0000000002D20000-0x0000000002E20000-memory.dmp

Filesize
1024KB

Download
memory/1724-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1724-6-0x0000000000400000-0x0000000002CA3000-memory.dmp

Filesize
40.6MB

Download