gcleaner | 1ea473c1d73b6772f66dd62e82257db13335ff45f94f1bedc024f6e99778abea

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 05:38

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General

Target

77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe
Size

338KB
MD5

77f4bbe1f7bd124fcb15c3416d1e8fcf
SHA1

ef9a68db31683da6c4ea0dadebcb48d7817da578
SHA256

1ea473c1d73b6772f66dd62e82257db13335ff45f94f1bedc024f6e99778abea
SHA512

4a87c1cd1423c1e7454d07d9ed13212beb165bcfd9107fc79783fe1e6ae33058b8bc4dbbfe20cbd4dff822dcd395b6b85d57c86b9e2cd286118c1b825f0bfb65
SSDEEP

6144:FdUL9iYuNEpiCOEig7wD+ZJyAucxI6D4Q1c4KDV3N/9n6QipcoGg7dg:FKpbuezqg7YMHucxI6ONDVJ2m47

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/2168-2-0x00000000008E0000-0x0000000000928000-memory.dmp	family_onlylogger
behavioral1/memory/2168-3-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral1/memory/2168-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral1/memory/2168-5-0x00000000008E0000-0x0000000000928000-memory.dmp	family_onlylogger
behavioral1/memory/2168-4-0x0000000000400000-0x0000000000884000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2356	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2408	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2356	2168	77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2356	2168	77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2356	2168	77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2356	2168	77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe	30
PID 2356 wrote to memory of 2408	2356	cmd.exe	32
PID 2356 wrote to memory of 2408	2356	cmd.exe	32
PID 2356 wrote to memory of 2408	2356	cmd.exe	32
PID 2356 wrote to memory of 2408	2356	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "77f4bbe1f7bd124fcb15c3416d1e8fcf_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2408

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

Replay Monitor

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Downloads

memory/2168-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2168-2-0x00000000008E0000-0x0000000000928000-memory.dmp

Filesize
288KB

Download
memory/2168-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2168-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2168-5-0x00000000008E0000-0x0000000000928000-memory.dmp

Filesize
288KB

Download
memory/2168-4-0x0000000000400000-0x0000000000884000-memory.dmp

Filesize
4.5MB

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