gcleaner | d9cdd267e3c00ae4f70e60a45aa03f22b1a59b42526a692d0e5bde6b5f1b99d4

Resubmissions

07/01/2024, 18:07

240107-wqj1bacef6 10

15/01/2022, 08:36

220115-khlcmadggr 10

Analysis

max time kernel
131s
max time network
136s
platform
windows10-1703_x64
resource
win10-20231220-en
resource tags

arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system
submitted
07/01/2024, 18:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b11fa73625d6cba3dd6cf98467aea533.exe
Size

419KB
MD5

b11fa73625d6cba3dd6cf98467aea533
SHA1

004d3169fb9b2b6daeec6425f6da98c99a3b63e0
SHA256

d9cdd267e3c00ae4f70e60a45aa03f22b1a59b42526a692d0e5bde6b5f1b99d4
SHA512

2bba5cfaeec13bda9ffb03a16d1c2af9d85be0ec13b00d9f79e3c4ffbd334a7db00addb5b52b4f89a84a8a57349e29115d93532f866d37b9914c6b832247fdea
SSDEEP

6144:umHZ39YkgRaYfIIeWmfVjFsSX2/vwWJwQuuPkfwkaZeRJE1I7EOVqcEyrIXs:umHZ/cqx7sSX2nmQuSk7n8I4OVAyrI

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

web-stat.biz

privatevolume.bi

Signatures

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

OnlyLogger payload 3 IoCs

resource	yara_rule
behavioral2/memory/5112-2-0x00000000008C0000-0x000000000090C000-memory.dmp	family_onlylogger
behavioral2/memory/5112-3-0x0000000000400000-0x0000000000578000-memory.dmp	family_onlylogger
behavioral2/memory/5112-4-0x0000000000400000-0x0000000000578000-memory.dmp	family_onlylogger

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 6 IoCs

pid	pid_target	Process	procid_target
4544	5112	WerFault.exe	14
3112	5112	WerFault.exe	14
1336	5112	WerFault.exe	14
4708	5112	WerFault.exe	14
3860	5112	WerFault.exe	14
3108	5112	WerFault.exe	14

Kills process with taskkill 1 IoCs

evasion

pid	Process
5052	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5052	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 4124	5112	b11fa73625d6cba3dd6cf98467aea533.exe	46
PID 5112 wrote to memory of 4124	5112	b11fa73625d6cba3dd6cf98467aea533.exe	46
PID 5112 wrote to memory of 4124	5112	b11fa73625d6cba3dd6cf98467aea533.exe	46
PID 4124 wrote to memory of 5052	4124	cmd.exe	43
PID 4124 wrote to memory of 5052	4124	cmd.exe	43
PID 4124 wrote to memory of 5052	4124	cmd.exe	43

C:\Users\Admin\AppData\Local\Temp\b11fa73625d6cba3dd6cf98467aea533.exe
"C:\Users\Admin\AppData\Local\Temp\b11fa73625d6cba3dd6cf98467aea533.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 748
  2⤵
  - Program crash
  PID:4544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 764
  2⤵
  - Program crash
  PID:3112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 840
  2⤵
  - Program crash
  PID:1336
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 892
  2⤵
  - Program crash
  PID:4708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 880
  2⤵
  - Program crash
  PID:3860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 876
  2⤵
  - Program crash
  PID:3108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "b11fa73625d6cba3dd6cf98467aea533.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b11fa73625d6cba3dd6cf98467aea533.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4124

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "b11fa73625d6cba3dd6cf98467aea533.exe" /f
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/5112-2-0x00000000008C0000-0x000000000090C000-memory.dmp

Filesize
304KB

Download
memory/5112-3-0x0000000000400000-0x0000000000578000-memory.dmp

Filesize
1.5MB

Download
memory/5112-1-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/5112-4-0x0000000000400000-0x0000000000578000-memory.dmp

Filesize
1.5MB

Download