gcleaner | 5ee1c44b9a5174e48cda267cbf38ef67971a520f521ce02395e152ed95e7c8ca

General

Target

a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe
Size

284KB
MD5

a8f1f11683ad9aab8d0a83878a46c71c
SHA1

8205edf9bd85f684f3ab1a90f01be0ee70108a91
SHA256

5ee1c44b9a5174e48cda267cbf38ef67971a520f521ce02395e152ed95e7c8ca
SHA512

b06a0115b0cc35cf280d173bd52ec62dca1bbbdbb7b1e46f4ad5f758b4122e2a9d2cfb9fb84423f2358bada55d1459803107157be7b730588a396d87625774ab
SSDEEP

6144:gdWy9iYZH+dGECyxpDRLgh6mXNdavy5m:gAobZH+dSyx9uh6m9wvy5

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 7 IoCs

resource	yara_rule
behavioral1/memory/2084-2-0x0000000000220000-0x000000000024F000-memory.dmp	family_onlylogger
behavioral1/memory/2084-3-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2084-10-0x0000000000220000-0x000000000024F000-memory.dmp	family_onlylogger
behavioral1/memory/2084-12-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2084-11-0x0000000000400000-0x0000000000876000-memory.dmp	family_onlylogger
behavioral1/memory/2084-25-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2084-23-0x0000000000400000-0x0000000000876000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
3052	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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2804	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	taskkill.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2592	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	32
PID 2084 wrote to memory of 2592	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	32
PID 2084 wrote to memory of 2592	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	32
PID 2084 wrote to memory of 2592	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	32
PID 2084 wrote to memory of 2816	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	34
PID 2084 wrote to memory of 2816	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	34
PID 2084 wrote to memory of 2816	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	34
PID 2084 wrote to memory of 2816	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	34
PID 2084 wrote to memory of 2808	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	36
PID 2084 wrote to memory of 2808	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	36
PID 2084 wrote to memory of 2808	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	36
PID 2084 wrote to memory of 2808	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	36
PID 2084 wrote to memory of 3052	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	38
PID 2084 wrote to memory of 3052	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	38
PID 2084 wrote to memory of 3052	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	38
PID 2084 wrote to memory of 3052	2084	a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe	38
PID 3052 wrote to memory of 2804	3052	cmd.exe	40
PID 3052 wrote to memory of 2804	3052	cmd.exe	40
PID 3052 wrote to memory of 2804	3052	cmd.exe	40
PID 3052 wrote to memory of 2804	3052	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{Cdiu-nRaPG-635t-AUIA2}\36606033736.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{Cdiu-nRaPG-635t-AUIA2}\33669509623.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{Cdiu-nRaPG-635t-AUIA2}\62376176366.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a8f1f11683ad9aab8d0a83878a46c71c_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2804

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\{Cdiu-nRaPG-635t-AUIA2}\33669509623.exe

Filesize
277B

MD5
6445250d234e789c0c2afe69f119e326

SHA1
03074f75c0ff50783d8c2e32d96e39b746540f66

SHA256
2e6cd9433e66a9ebde268bc6949d4660de441790bd39ffc9cb0f4caaeb44320f

SHA512
ecd094a4d026378f85435f8a2dc16c92c033aff92ba126d8bbb22d6b279b842d417f4df0f63199ea248d0ec64b9679acb5a1f835560d8e3c5b84be492cc0e68e

Download Submit
memory/2084-1-0x0000000000A50000-0x0000000000B50000-memory.dmp

Filesize
1024KB

Download
memory/2084-2-0x0000000000220000-0x000000000024F000-memory.dmp

Filesize
188KB

Download
memory/2084-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2084-4-0x0000000000A50000-0x0000000000B50000-memory.dmp

Filesize
1024KB

Download
memory/2084-10-0x0000000000220000-0x000000000024F000-memory.dmp

Filesize
188KB

Download
memory/2084-12-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2084-11-0x0000000000400000-0x0000000000876000-memory.dmp

Filesize
4.5MB

Download
memory/2084-25-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2084-24-0x0000000000A50000-0x0000000000B50000-memory.dmp

Filesize
1024KB

Download
memory/2084-23-0x0000000000400000-0x0000000000876000-memory.dmp

Filesize
4.5MB

Download

Analysis

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