gcleaner | d3cbcf7224c5cd688e665238b91e2b0249c175d6238af31398308e7ecb226cb9

General

Target

fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe
Size

285KB
MD5

fd6f2d6431adc8ab79ef69616b9b756a
SHA1

061bf41849559a21f667cf4289ca5cd32fcca9da
SHA256

d3cbcf7224c5cd688e665238b91e2b0249c175d6238af31398308e7ecb226cb9
SHA512

a1521b76a706888d14c16a388995f75dd5422c4bb317a9887bced337dcf2f34217ca74a3ea0f350321f0b270e27fa021e8382a96b0d0cad1a4d9dec4bffdc19d
SSDEEP

6144:iw2nNVPt9knkBGvINhmjVss4ocL4hL1NZh:iw2nNVnkndIn42hocknv

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

C2

gcl-page.biz

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 6 IoCs

resource	yara_rule
behavioral1/memory/2272-2-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2272-3-0x0000000000400000-0x0000000000877000-memory.dmp	family_onlylogger
behavioral1/memory/2272-10-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2272-11-0x0000000000400000-0x0000000000877000-memory.dmp	family_onlylogger
behavioral1/memory/2272-24-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2272-23-0x0000000000400000-0x0000000000877000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2640	cmd.exe

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

Web Service

T1102

flow	ioc
6	iplogger.org
8	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	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3028	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	taskkill.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2812	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2812	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2812	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2812	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2884	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	33
PID 2272 wrote to memory of 2884	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	33
PID 2272 wrote to memory of 2884	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	33
PID 2272 wrote to memory of 2884	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	33
PID 2272 wrote to memory of 2632	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	35
PID 2272 wrote to memory of 2632	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	35
PID 2272 wrote to memory of 2632	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	35
PID 2272 wrote to memory of 2632	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	35
PID 2272 wrote to memory of 2640	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	38
PID 2272 wrote to memory of 2640	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	38
PID 2272 wrote to memory of 2640	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	38
PID 2272 wrote to memory of 2640	2272	fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe	38
PID 2640 wrote to memory of 3028	2640	cmd.exe	40
PID 2640 wrote to memory of 3028	2640	cmd.exe	40
PID 2640 wrote to memory of 3028	2640	cmd.exe	40
PID 2640 wrote to memory of 3028	2640	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{LHOp-ER89L-CYce-g8KlF}\92480916508.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{LHOp-ER89L-CYce-g8KlF}\61034725017.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{LHOp-ER89L-CYce-g8KlF}\30633113570.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2632
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "fd6f2d6431adc8ab79ef69616b9b756a_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\{LHOp-ER89L-CYce-g8KlF}\92480916508.exe

Filesize
277B

MD5
6445250d234e789c0c2afe69f119e326

SHA1
03074f75c0ff50783d8c2e32d96e39b746540f66

SHA256
2e6cd9433e66a9ebde268bc6949d4660de441790bd39ffc9cb0f4caaeb44320f

SHA512
ecd094a4d026378f85435f8a2dc16c92c033aff92ba126d8bbb22d6b279b842d417f4df0f63199ea248d0ec64b9679acb5a1f835560d8e3c5b84be492cc0e68e

Download Submit
memory/2272-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/2272-2-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2272-3-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/2272-4-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/2272-10-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2272-11-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/2272-24-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2272-23-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/2272-25-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download

Analysis

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