gcleaner | 470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b

Analysis

max time kernel
239s
max time network
243s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 22:37

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General

Target

470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe
Size

317KB
MD5

b51035da617f85c1e578c77ceb2fb9d9
SHA1

da4341124e46f11e80ad881ff58b40822172c016
SHA256

470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b
SHA512

e6f8ac1edd6498a9268e5b8ad481a4b7e0cc200b72685ceaa09a722501c6dc640ef4b03f4c0189ea466c393cfe3d947342463edccab771d738fb304ea4854a44
SSDEEP

6144:+LcLktZ1GAZVf38bUv5YIl1TIN9zFYc5xGNi:+ALktH9Kbkew9IH6Ni

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
2612	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	470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.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
2460	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2460	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 2612	1216	470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe	30
PID 1216 wrote to memory of 2612	1216	470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe	30
PID 1216 wrote to memory of 2612	1216	470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe	30
PID 1216 wrote to memory of 2612	1216	470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe	30
PID 2612 wrote to memory of 2460	2612	cmd.exe	32
PID 2612 wrote to memory of 2460	2612	cmd.exe	32
PID 2612 wrote to memory of 2460	2612	cmd.exe	32
PID 2612 wrote to memory of 2460	2612	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe
"C:\Users\Admin\AppData\Local\Temp\470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "470eb3cbcee0130e7aaeb1439d61818336c961d78b6f37cb03cdfaaba0c9522b.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2460

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\8B420DKQ\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1216-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1216-2-0x0000000001CA0000-0x0000000001CCD000-memory.dmp

Filesize
180KB

Download
memory/1216-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/1216-9-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/1216-10-0x0000000001CA0000-0x0000000001CCD000-memory.dmp

Filesize
180KB

Download
memory/1216-12-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/1216-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1216-23-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/1216-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1216-21-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download