gcleaner | 106f4196199e0bef0816cf89fa0f2b489cf633bd37a6524ad4d61015f2dc66b4

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 05:14

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General

Target

f83506d6903053d7cb3a3cf18fad72a0N.exe
Size

410KB
MD5

f83506d6903053d7cb3a3cf18fad72a0
SHA1

af0b8a751245d26bc9ad61062dd0366027eff3c1
SHA256

106f4196199e0bef0816cf89fa0f2b489cf633bd37a6524ad4d61015f2dc66b4
SHA512

262bcd4c0878694696b0df25e3749223c476b0b5239a1a0573cf803bb268500dfca58907d9d716690e3bdd7056c6e311cbea292bdf99399b44339e56a75a1510
SSDEEP

6144:L6dHwUpEuVLHBlvl949fsYeQogFuVBcRR8XIYLdsp2w4b+HGTWcPnkuG:L0wUpEAjbv749foQogFaX35w6+nknkV

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

g-clean.in

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1368-2-0x0000000000220000-0x000000000026E000-memory.dmp	family_onlylogger
behavioral1/memory/1368-3-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral1/memory/1368-4-0x0000000000400000-0x0000000000478000-memory.dmp	family_onlylogger
behavioral1/memory/1368-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral1/memory/1368-5-0x0000000000220000-0x000000000026E000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2424	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f83506d6903053d7cb3a3cf18fad72a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1940	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1940	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2424	1368	f83506d6903053d7cb3a3cf18fad72a0N.exe	28
PID 1368 wrote to memory of 2424	1368	f83506d6903053d7cb3a3cf18fad72a0N.exe	28
PID 1368 wrote to memory of 2424	1368	f83506d6903053d7cb3a3cf18fad72a0N.exe	28
PID 1368 wrote to memory of 2424	1368	f83506d6903053d7cb3a3cf18fad72a0N.exe	28
PID 2424 wrote to memory of 1940	2424	cmd.exe	30
PID 2424 wrote to memory of 1940	2424	cmd.exe	30
PID 2424 wrote to memory of 1940	2424	cmd.exe	30
PID 2424 wrote to memory of 1940	2424	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\f83506d6903053d7cb3a3cf18fad72a0N.exe
"C:\Users\Admin\AppData\Local\Temp\f83506d6903053d7cb3a3cf18fad72a0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "f83506d6903053d7cb3a3cf18fad72a0N.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f83506d6903053d7cb3a3cf18fad72a0N.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "f83506d6903053d7cb3a3cf18fad72a0N.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1368-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/1368-2-0x0000000000220000-0x000000000026E000-memory.dmp

Filesize
312KB

Download
memory/1368-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1368-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1368-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1368-5-0x0000000000220000-0x000000000026E000-memory.dmp

Filesize
312KB

Download