gcleaner | 909aaea4a3072305c0bcaab9d7b9cab70990305541db276ab8d870e3fbc51a18

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 15:04

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General

Target

VoTrXaqIJ3vc2GnUIU6Wi5LW.exe
Size

321KB
MD5

94c78c311f499024a9f97cfdbb073623
SHA1

50e91d3eaa06d2183bf8c6c411947304421c5626
SHA256

6aef62b3b8890bc22dd99f9b0d48247ae52c69e7ad9e384332658e73c725e40e
SHA512

29b61f1924f19d073460332950c2316acf769aa40ad7f62a41941160cd8a8da5958e8f96183e0e498afe8558fc3efb3a23f66c7519c142c780c91279ddecb545
SSDEEP

6144:DQbZ65iKd8Ro5c7bW+7kUyptNv+6FsVAIXRwGA69PZ+9ElvczV:6Z65im8Rb7D7kUyP5cVAIhwGA69B+9uY

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

194.145.227.161

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger
Onlylogger family
onlylogger

OnlyLogger payload 5 IoCs

resource	yara_rule
behavioral23/memory/2268-2-0x0000000000220000-0x0000000000250000-memory.dmp	family_onlylogger
behavioral23/memory/2268-3-0x0000000000400000-0x0000000000432000-memory.dmp	family_onlylogger
behavioral23/memory/2268-21-0x0000000000400000-0x0000000000432000-memory.dmp	family_onlylogger
behavioral23/memory/2268-19-0x0000000000400000-0x00000000023BB000-memory.dmp	family_onlylogger
behavioral23/memory/2268-20-0x0000000000220000-0x0000000000250000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2548	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
8	iplogger.org
6	iplogger.org

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 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2620	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2620	taskkill.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2680	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	30
PID 2268 wrote to memory of 2680	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	30
PID 2268 wrote to memory of 2680	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	30
PID 2268 wrote to memory of 2680	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	30
PID 2268 wrote to memory of 2748	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	32
PID 2268 wrote to memory of 2748	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	32
PID 2268 wrote to memory of 2748	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	32
PID 2268 wrote to memory of 2748	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	32
PID 2268 wrote to memory of 2688	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	34
PID 2268 wrote to memory of 2688	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	34
PID 2268 wrote to memory of 2688	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	34
PID 2268 wrote to memory of 2688	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	34
PID 2268 wrote to memory of 2548	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	36
PID 2268 wrote to memory of 2548	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	36
PID 2268 wrote to memory of 2548	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	36
PID 2268 wrote to memory of 2548	2268	VoTrXaqIJ3vc2GnUIU6Wi5LW.exe	36
PID 2548 wrote to memory of 2620	2548	cmd.exe	38
PID 2548 wrote to memory of 2620	2548	cmd.exe	38
PID 2548 wrote to memory of 2620	2548	cmd.exe	38
PID 2548 wrote to memory of 2620	2548	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\VoTrXaqIJ3vc2GnUIU6Wi5LW.exe
"C:\Users\Admin\AppData\Local\Temp\VoTrXaqIJ3vc2GnUIU6Wi5LW.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{z0yt-FZ3gJ-c72g-OGeqX}\45492668690.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{z0yt-FZ3gJ-c72g-OGeqX}\21964874591.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{z0yt-FZ3gJ-c72g-OGeqX}\90762261072.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "VoTrXaqIJ3vc2GnUIU6Wi5LW.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\VoTrXaqIJ3vc2GnUIU6Wi5LW.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "VoTrXaqIJ3vc2GnUIU6Wi5LW.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2620

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\{z0yt-FZ3gJ-c72g-OGeqX}\21964874591.exe

Filesize
277B

MD5
6445250d234e789c0c2afe69f119e326

SHA1
03074f75c0ff50783d8c2e32d96e39b746540f66

SHA256
2e6cd9433e66a9ebde268bc6949d4660de441790bd39ffc9cb0f4caaeb44320f

SHA512
ecd094a4d026378f85435f8a2dc16c92c033aff92ba126d8bbb22d6b279b842d417f4df0f63199ea248d0ec64b9679acb5a1f835560d8e3c5b84be492cc0e68e

Download Submit
memory/2268-2-0x0000000000220000-0x0000000000250000-memory.dmp

Filesize
192KB

Download
memory/2268-3-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2268-1-0x0000000002490000-0x0000000002590000-memory.dmp

Filesize
1024KB

Download
memory/2268-21-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2268-19-0x0000000000400000-0x00000000023BB000-memory.dmp

Filesize
31.7MB

Download
memory/2268-20-0x0000000000220000-0x0000000000250000-memory.dmp

Filesize
192KB

Download