gcleaner | 828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 16:13

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General

Target

828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe
Size

270KB
MD5

68e6e04eb152d2e673b25d3adacbbc2a
SHA1

5c1672bea07f217f6893c785f64dcf5f0c241cc8
SHA256

828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778
SHA512

e1e4c7ee113c4846c51dfcca64b2ea4f9a3a5fc4ae3bc06c5ad73ea5f15c7a4d9ee1353bc40bdd34510c1c7ccd6a7c784cf69bc314eefcb6293d64636feace66
SSDEEP

6144:doDlF9iyfOR2fLE3g/wG1pmBbZO5/MQaG0Vdh1JQ:dglFgYORkLEezMBbZOL+Vdz

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
2960	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	828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.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
2548	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2960	1884	828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe	29
PID 1884 wrote to memory of 2960	1884	828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe	29
PID 1884 wrote to memory of 2960	1884	828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe	29
PID 1884 wrote to memory of 2960	1884	828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe	29
PID 2960 wrote to memory of 2548	2960	cmd.exe	31
PID 2960 wrote to memory of 2548	2960	cmd.exe	31
PID 2960 wrote to memory of 2548	2960	cmd.exe	31
PID 2960 wrote to memory of 2548	2960	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe
"C:\Users\Admin\AppData\Local\Temp\828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2960
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "828d1f0d5f63122595ba14579e1cd28e23bfaa5d03ecbcdcd0168e46fc2a9778.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2548

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\F91VN88R\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1884-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/1884-2-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1884-3-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1884-9-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/1884-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1884-12-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1884-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1884-21-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1884-23-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download