gcleaner | ea25dcf8f74b1d1094825d695807839f48230a800420cd2c57a05f7f6fe5a5bb

Resubmissions

07-01-2024 18:07

240107-wqjpjscef5 10

15-01-2022 08:34

220115-kgnrcsdggm 10

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
07-01-2024 18:07

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General

Target

425b312c607eaa405059b4928a65cba8.exe
Size

420KB
MD5

425b312c607eaa405059b4928a65cba8
SHA1

3caefbcad6d742e8c1849ec2d8ce092c0c75152f
SHA256

ea25dcf8f74b1d1094825d695807839f48230a800420cd2c57a05f7f6fe5a5bb
SHA512

89d9c201da31815db48bbb0fea5268044a412dac91677f8d9fc9a7ff1b9eec9d0c8b3c864b340148a22cacbd6b2e3a37dbfd94170ccba3d059ee261c402d1fa6
SSDEEP

12288:hET5GSUENyq2QSfyrVVM6O83C1+ZOXzh:aTXUENRFlZVMusYOj

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

Processes:

resource	yara_rule
behavioral1/memory/2940-3-0x0000000000400000-0x0000000000579000-memory.dmp	family_onlylogger
behavioral1/memory/2940-4-0x0000000000400000-0x0000000000579000-memory.dmp	family_onlylogger
behavioral1/memory/2940-2-0x00000000002F0000-0x000000000033C000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1996 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3056 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3056 taskkill.exe

pid	process
1996	cmd.exe

pid	process
3056	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3056	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

425b312c607eaa405059b4928a65cba8.execmd.exe

description	pid	process	target process
PID 2940 wrote to memory of 1996	2940	425b312c607eaa405059b4928a65cba8.exe	cmd.exe
PID 2940 wrote to memory of 1996	2940	425b312c607eaa405059b4928a65cba8.exe	cmd.exe
PID 2940 wrote to memory of 1996	2940	425b312c607eaa405059b4928a65cba8.exe	cmd.exe
PID 2940 wrote to memory of 1996	2940	425b312c607eaa405059b4928a65cba8.exe	cmd.exe
PID 1996 wrote to memory of 3056	1996	cmd.exe	taskkill.exe
PID 1996 wrote to memory of 3056	1996	cmd.exe	taskkill.exe
PID 1996 wrote to memory of 3056	1996	cmd.exe	taskkill.exe
PID 1996 wrote to memory of 3056	1996	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\425b312c607eaa405059b4928a65cba8.exe
"C:\Users\Admin\AppData\Local\Temp\425b312c607eaa405059b4928a65cba8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "425b312c607eaa405059b4928a65cba8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\425b312c607eaa405059b4928a65cba8.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1996

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "425b312c607eaa405059b4928a65cba8.exe" /f
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3056

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

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Downloads

memory/2940-3-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2940-4-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2940-2-0x00000000002F0000-0x000000000033C000-memory.dmp

Filesize
304KB

Download
memory/2940-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download