gcleaner | 2f6c256196127c2b28211a50f2c9a69f50226506fed6b1a528eea6574a2d0443

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
30/08/2024, 07:04

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General

Target

758ba2e8ed6e7ecde55b15e7930156e1.exe
Size

257KB
MD5

758ba2e8ed6e7ecde55b15e7930156e1
SHA1

bb3b924d45e7fff4f9cc2b087327643250a0e026
SHA256

2f6c256196127c2b28211a50f2c9a69f50226506fed6b1a528eea6574a2d0443
SHA512

b9c79ffc42927bbd7d691c3b83cbf793b4b74dd6cc59a34f5b051a8ebafabcc34b1f49c021e2b6b1a7b6f230c9b1a5622090d48325dccbdc6aa77a949877937c
SSDEEP

3072:1EUdDlqVs1ZBmJkZTOlLc7NLV6NQTAseaZJ9h0k5Im7bYgofBaD7Wh8Hg:1EUdDlqmfBOyOlL0INm/bQg7Mh0D2W

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
2932	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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	758ba2e8ed6e7ecde55b15e7930156e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2844	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2932	2516	758ba2e8ed6e7ecde55b15e7930156e1.exe	32
PID 2516 wrote to memory of 2932	2516	758ba2e8ed6e7ecde55b15e7930156e1.exe	32
PID 2516 wrote to memory of 2932	2516	758ba2e8ed6e7ecde55b15e7930156e1.exe	32
PID 2516 wrote to memory of 2932	2516	758ba2e8ed6e7ecde55b15e7930156e1.exe	32
PID 2932 wrote to memory of 2844	2932	cmd.exe	34
PID 2932 wrote to memory of 2844	2932	cmd.exe	34
PID 2932 wrote to memory of 2844	2932	cmd.exe	34
PID 2932 wrote to memory of 2844	2932	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\758ba2e8ed6e7ecde55b15e7930156e1.exe
"C:\Users\Admin\AppData\Local\Temp\758ba2e8ed6e7ecde55b15e7930156e1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "758ba2e8ed6e7ecde55b15e7930156e1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\758ba2e8ed6e7ecde55b15e7930156e1.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "758ba2e8ed6e7ecde55b15e7930156e1.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2844

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GE5J41S2\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2516-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2516-2-0x0000000000230000-0x000000000025D000-memory.dmp

Filesize
180KB

Download
memory/2516-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2516-7-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2516-9-0x0000000000230000-0x000000000025D000-memory.dmp

Filesize
180KB

Download
memory/2516-11-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2516-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2516-21-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2516-23-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2516-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download