gcleaner | 9b1a0d63c7ab084c006aa4c7d7ed7c43ebaa5455ba9630f152d8c46f5e1a553b

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-08-2024 06:00

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General

Target

2ecdac220249b69a103a73a3a3d1f450N.exe
Size

394KB
MD5

2ecdac220249b69a103a73a3a3d1f450
SHA1

cc00bbd208c17b66339ff34e3848c0b9f0c67fa4
SHA256

9b1a0d63c7ab084c006aa4c7d7ed7c43ebaa5455ba9630f152d8c46f5e1a553b
SHA512

2b900a2b9c13db5c1e2d7cbcb218eb8f4656c3d93c06d44ad9674a7e1f4f353a626838bdb250f109bf4c0f6d40f8d86d1d83d8bdad1004ec2f5ff2f3eab29b43
SSDEEP

12288:aLw1pykL6YwD3ya7UBw/pdAfMggXrVzeO:aVkL6YwD39ympGfMnBz

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

g-clean.in

gclean.biz

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 4 IoCs

resource	yara_rule
behavioral1/memory/848-3-0x0000000000400000-0x0000000000474000-memory.dmp	family_onlylogger
behavioral1/memory/848-2-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral1/memory/848-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral1/memory/848-5-0x0000000000400000-0x0000000000474000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2456	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	2ecdac220249b69a103a73a3a3d1f450N.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
2588	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2588	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2456	848	2ecdac220249b69a103a73a3a3d1f450N.exe	28
PID 848 wrote to memory of 2456	848	2ecdac220249b69a103a73a3a3d1f450N.exe	28
PID 848 wrote to memory of 2456	848	2ecdac220249b69a103a73a3a3d1f450N.exe	28
PID 848 wrote to memory of 2456	848	2ecdac220249b69a103a73a3a3d1f450N.exe	28
PID 2456 wrote to memory of 2588	2456	cmd.exe	30
PID 2456 wrote to memory of 2588	2456	cmd.exe	30
PID 2456 wrote to memory of 2588	2456	cmd.exe	30
PID 2456 wrote to memory of 2588	2456	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\2ecdac220249b69a103a73a3a3d1f450N.exe
"C:\Users\Admin\AppData\Local\Temp\2ecdac220249b69a103a73a3a3d1f450N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:848
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "2ecdac220249b69a103a73a3a3d1f450N.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2ecdac220249b69a103a73a3a3d1f450N.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "2ecdac220249b69a103a73a3a3d1f450N.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2588

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

Replay Monitor

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Downloads

memory/848-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/848-3-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/848-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/848-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/848-5-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download