gcleaner | e3bb7d5e0e74dfac43c272516d78431426f9869912cb426f6db70a156c8512fd

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
19-08-2024 04:06

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General

Target

a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe
Size

321KB
MD5

a985347669f5a331f844379febdc1e9a
SHA1

f74947124606530474bff0b16d858609f7c8505c
SHA256

e3bb7d5e0e74dfac43c272516d78431426f9869912cb426f6db70a156c8512fd
SHA512

c6e1b62fb6067e3beb1f87cec5964c0ddd1e536cbf9b948348921179f9ab4ec35a1c646d6fe048afd08e933da02bb6c563efbae10ebe0ca04cc72d3dc5d909b1
SSDEEP

6144:fZeNLJ49BUMG2TRzEYq0Ql3xf0YnOznSZeQRpxyf+t:kW9B3rl5Ql3xULSFft

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

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 4 IoCs

resource	yara_rule
behavioral1/memory/2216-2-0x0000000000300000-0x0000000000346000-memory.dmp	family_onlylogger
behavioral1/memory/2216-3-0x0000000000400000-0x0000000000449000-memory.dmp	family_onlylogger
behavioral1/memory/2216-5-0x0000000000400000-0x0000000000449000-memory.dmp	family_onlylogger
behavioral1/memory/2216-4-0x0000000000400000-0x00000000004F4000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2560	cmd.exe

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 3 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	a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2348	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2560	2216	a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe	30
PID 2216 wrote to memory of 2560	2216	a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe	30
PID 2216 wrote to memory of 2560	2216	a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe	30
PID 2216 wrote to memory of 2560	2216	a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2348	2560	cmd.exe	32
PID 2560 wrote to memory of 2348	2560	cmd.exe	32
PID 2560 wrote to memory of 2348	2560	cmd.exe	32
PID 2560 wrote to memory of 2348	2560	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a985347669f5a331f844379febdc1e9a_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2348

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

Exfiltration

Impact

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Downloads

memory/2216-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

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memory/2216-2-0x0000000000300000-0x0000000000346000-memory.dmp

Filesize
280KB

Download
memory/2216-3-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2216-5-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2216-4-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

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