gcleaner | aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87

Analysis

max time kernel
26s
max time network
26s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-10-2024 21:31

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General

Target

aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe
Size

410KB
MD5

bd36f5af13b35a77d0e15e95655620d0
SHA1

255a4ea629f8d07f4c4e35bc3750c978014fd574
SHA256

aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87
SHA512

35d2b5a2faf7a860f3e49f98518c61f3050faf4fc6070dcf5165888d1be4986b1c207f9101dc0e70ce495fd31aa06fa5a7cc4eb7972b7abc19acd92dcca96fc6
SSDEEP

6144:4hvWMy6hzp1ssFWBeXNoIdoYtP3pXTbSt8gcUWXhC/YQna8gyifT1:QvWMHzp1ZWYFt5S8ZUAC/YGjg1L

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

80.66.75.114

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Deletes itself 1 IoCs

pid	Process
2716	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	aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.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
2640	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2716	2292	aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe	31
PID 2292 wrote to memory of 2716	2292	aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe	31
PID 2292 wrote to memory of 2716	2292	aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe	31
PID 2292 wrote to memory of 2716	2292	aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe	31
PID 2716 wrote to memory of 2640	2716	cmd.exe	33
PID 2716 wrote to memory of 2640	2716	cmd.exe	33
PID 2716 wrote to memory of 2640	2716	cmd.exe	33
PID 2716 wrote to memory of 2640	2716	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe
"C:\Users\Admin\AppData\Local\Temp\aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "aca16cf20e9e4e74e7b270b60356ad55c82c0cdc86db4454e2023fb14285db87N.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2640

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\8452S9S3\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2292-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/2292-3-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/2292-2-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2292-8-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/2292-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2292-11-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/2292-23-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/2292-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2292-21-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download