gcleaner | b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 07:22

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General

Target

b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
Size

262KB
MD5

dba3846a51c92775dac4fe38fe1565fc
SHA1

fde82884cf24699f55378ced90a106d0d370b033
SHA256

b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b
SHA512

b8b2f71d91e4a1c44b5f5c634e67bbca7e0424e78ede4607920fd87b0c81d71a41d21ca1a55e3ad6f000ee067f5dcd750ee341f8ec1238042fe1db30cac38bc0
SSDEEP

6144:/6xMSaDuUKG2sGGQmDJzx82WaD7sRuiae/Y:/6xraCvHGQoShakRha

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

2412 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

2720 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2720 taskkill.exe

pid	process
2412	cmd.exe

pid	process
2720	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2720	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.execmd.exe

description	pid	process	target process
PID 2028 wrote to memory of 2412	2028	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe	cmd.exe
PID 2028 wrote to memory of 2412	2028	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe	cmd.exe
PID 2028 wrote to memory of 2412	2028	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe	cmd.exe
PID 2028 wrote to memory of 2412	2028	b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe	cmd.exe
PID 2412 wrote to memory of 2720	2412	cmd.exe	taskkill.exe
PID 2412 wrote to memory of 2720	2412	cmd.exe	taskkill.exe
PID 2412 wrote to memory of 2720	2412	cmd.exe	taskkill.exe
PID 2412 wrote to memory of 2720	2412	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe
"C:\Users\Admin\AppData\Local\Temp\b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2412

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "b2e7222f8455e06b6d44d193106363480124505df582b5d544df23e579aa325b.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2720

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

memory/2028-1-0x0000000002E00000-0x0000000002F00000-memory.dmp

Filesize
1024KB

Download
memory/2028-2-0x0000000000220000-0x000000000025C000-memory.dmp

Filesize
240KB

Download
memory/2028-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2028-8-0x0000000000220000-0x000000000025C000-memory.dmp

Filesize
240KB

Download
memory/2028-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2028-7-0x0000000002E00000-0x0000000002F00000-memory.dmp

Filesize
1024KB

Download
memory/2028-6-0x0000000000400000-0x0000000002C99000-memory.dmp

Filesize
40.6MB

Download