gcleaner | 35e22e58b668778663cde3619804d4e89f3c761fadde6bb0040a70a7b7b738a6

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 08:02

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General

Target

85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe
Size

388KB
MD5

85594058d6aec062a3e49d27f9394cd4
SHA1

322b70c2acd7aeda7613b662500b7f221d63637a
SHA256

35e22e58b668778663cde3619804d4e89f3c761fadde6bb0040a70a7b7b738a6
SHA512

aab9ad90e1b07158cc0799e2e5ea70c26329468cd3b4775ecb17775547b962170a402791f99dd8186806f452ffc8acdb3f039e41b900fadf3072f1ab52349160
SSDEEP

6144:AJLRdSr8GEL8hf7vIhOWjouV50n4emuoTCGYmz6huKhROhxxpeTr/ekI:ER/GeIghutmlCHWzxp6L

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

gcl-page.biz

194.145.227.161

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/2400-3-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/2400-2-0x0000000000220000-0x0000000000268000-memory.dmp	family_onlylogger
behavioral1/memory/2400-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral1/memory/2400-4-0x0000000000400000-0x000000000046E000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2776	cmd.exe

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	85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2932	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2776	2400	85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe	31
PID 2400 wrote to memory of 2776	2400	85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe	31
PID 2400 wrote to memory of 2776	2400	85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe	31
PID 2400 wrote to memory of 2776	2400	85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe	31
PID 2776 wrote to memory of 2932	2776	cmd.exe	33
PID 2776 wrote to memory of 2932	2776	cmd.exe	33
PID 2776 wrote to memory of 2932	2776	cmd.exe	33
PID 2776 wrote to memory of 2932	2776	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "85594058d6aec062a3e49d27f9394cd4_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2400-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2400-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2400-2-0x0000000000220000-0x0000000000268000-memory.dmp

Filesize
288KB

Download
memory/2400-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2400-4-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

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