gcleaner | edee9e5dad08e72deb2ef9e5b872d9c4e84e90d1ed8a27a33300edc32d62d084

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 09:20

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General

Target

ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe
Size

398KB
MD5

ff4bac3b34630dfdf6f495bf8998c9e7
SHA1

3a9457a39c51330928043492ac09e9683c9f90a0
SHA256

edee9e5dad08e72deb2ef9e5b872d9c4e84e90d1ed8a27a33300edc32d62d084
SHA512

4b91eeda2ee00428a40e4b1c29b1758ef9890a4298adf30185b37247646b1dc95f2e40b7f3c3f9c5570d490326fc72e6abfbfe82548cae2e757f2f7143c06ad9
SSDEEP

6144:/oYTiypE8Ykgfgc0CmYvg+k6zDMv1Sp0jUqDFxbqJL64WExOOhxxdeTr/ekI:bpYIpRAk6zDqSp0ZF6L6k1zxd6L

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
Gcleaner family
gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger
Onlylogger family
onlylogger

OnlyLogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1552-2-0x00000000003A0000-0x00000000003E8000-memory.dmp	family_onlylogger
behavioral1/memory/1552-3-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral1/memory/1552-4-0x0000000000400000-0x0000000000470000-memory.dmp	family_onlylogger
behavioral1/memory/1552-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral1/memory/1552-5-0x00000000003A0000-0x00000000003E8000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2900	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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2068	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2900	1552	ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe	31
PID 1552 wrote to memory of 2900	1552	ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe	31
PID 1552 wrote to memory of 2900	1552	ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe	31
PID 1552 wrote to memory of 2900	1552	ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe	31
PID 2900 wrote to memory of 2068	2900	cmd.exe	33
PID 2900 wrote to memory of 2068	2900	cmd.exe	33
PID 2900 wrote to memory of 2068	2900	cmd.exe	33
PID 2900 wrote to memory of 2068	2900	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ff4bac3b34630dfdf6f495bf8998c9e7_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2068

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/1552-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1552-2-0x00000000003A0000-0x00000000003E8000-memory.dmp

Filesize
288KB

Download
memory/1552-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1552-4-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1552-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1552-5-0x00000000003A0000-0x00000000003E8000-memory.dmp

Filesize
288KB

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