gcleaner | 2ea8cea35b0ea91fabe87a7969b57c824e972b4734b167af69843c284248b4ad

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 06:25

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General

Target

298b615f97b36d6b46a664b2df69c730N.exe
Size

494KB
MD5

298b615f97b36d6b46a664b2df69c730
SHA1

5588d15c5d6b4b4b34d6a2fdd3010c9401559b53
SHA256

2ea8cea35b0ea91fabe87a7969b57c824e972b4734b167af69843c284248b4ad
SHA512

e42222f9898c40c12e8c14cff688a7cf111abcf9528cc3ef86dfa100a574bcdd7b98c13e8076f88216f66bc0663287e26c95970cb4e895105abbbf113073a4e4
SSDEEP

12288:PXyzmAnZNMql8BxUPJBAmGnd52ZWDj/wEP4vA3/AJZ:AnZNzl8qFGd5WW/pf/Y

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/3008-2-0x0000000000220000-0x000000000026E000-memory.dmp	family_onlylogger
behavioral1/memory/3008-3-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral1/memory/3008-5-0x0000000000220000-0x000000000026E000-memory.dmp	family_onlylogger
behavioral1/memory/3008-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral1/memory/3008-4-0x0000000000400000-0x0000000000873000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2176	cmd.exe

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	298b615f97b36d6b46a664b2df69c730N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2784	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2176	3008	298b615f97b36d6b46a664b2df69c730N.exe	30
PID 3008 wrote to memory of 2176	3008	298b615f97b36d6b46a664b2df69c730N.exe	30
PID 3008 wrote to memory of 2176	3008	298b615f97b36d6b46a664b2df69c730N.exe	30
PID 3008 wrote to memory of 2176	3008	298b615f97b36d6b46a664b2df69c730N.exe	30
PID 2176 wrote to memory of 2784	2176	cmd.exe	32
PID 2176 wrote to memory of 2784	2176	cmd.exe	32
PID 2176 wrote to memory of 2784	2176	cmd.exe	32
PID 2176 wrote to memory of 2784	2176	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\298b615f97b36d6b46a664b2df69c730N.exe
"C:\Users\Admin\AppData\Local\Temp\298b615f97b36d6b46a664b2df69c730N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "298b615f97b36d6b46a664b2df69c730N.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\298b615f97b36d6b46a664b2df69c730N.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "298b615f97b36d6b46a664b2df69c730N.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3008-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

Filesize
1024KB

Download
memory/3008-2-0x0000000000220000-0x000000000026E000-memory.dmp

Filesize
312KB

Download
memory/3008-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3008-5-0x0000000000220000-0x000000000026E000-memory.dmp

Filesize
312KB

Download
memory/3008-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3008-4-0x0000000000400000-0x0000000000873000-memory.dmp

Filesize
4.4MB

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