gcleaner | 82aa048783354378ad2b8c0f5f1747d9ffe477f5e02d3a32733aa02d65be1d77

General

Target

JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe
Size

400KB
MD5

01462017cae5db103b27c864ef145b7c
SHA1

526586e175b3e6c9def0f47c58a27e3e051eaef5
SHA256

82aa048783354378ad2b8c0f5f1747d9ffe477f5e02d3a32733aa02d65be1d77
SHA512

940d1c2a1d1f1741bb53f7a33d3bea5a972257860d57ff4f9de047ef540277d6cf44792c6223db0d22a52eea695f5d7e83c0b5567161fd7c88455fc0a703ebc1
SSDEEP

12288:FxYlQL+Ltuy1GYmHGSicXdB0pKBIp7P3nF:FxYSDy1GYmHfbX31+l

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

C2

ppp-gl.biz

45.9.20.13

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
behavioral2/memory/3472-2-0x0000000004B00000-0x0000000004B49000-memory.dmp	family_onlylogger
behavioral2/memory/3472-3-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral2/memory/3472-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral2/memory/3472-5-0x0000000004B00000-0x0000000004B49000-memory.dmp	family_onlylogger
behavioral2/memory/3472-4-0x0000000000400000-0x0000000002DBB000-memory.dmp	family_onlylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
1128	3472	WerFault.exe	82
4164	3472	WerFault.exe	82
4704	3472	WerFault.exe	82
4988	3472	WerFault.exe	82
1156	3472	WerFault.exe	82
2036	3472	WerFault.exe	82
3556	3472	WerFault.exe	82

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	JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2416	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 3664	3472	JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe	97
PID 3472 wrote to memory of 3664	3472	JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe	97
PID 3472 wrote to memory of 3664	3472	JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe	97
PID 3664 wrote to memory of 2416	3664	cmd.exe	101
PID 3664 wrote to memory of 2416	3664	cmd.exe	101
PID 3664 wrote to memory of 2416	3664	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 712
  2⤵
  - Program crash
  PID:1128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 784
  2⤵
  - Program crash
  PID:4164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 792
  2⤵
  - Program crash
  PID:4704
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 944
  2⤵
  - Program crash
  PID:4988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 924
  2⤵
  - Program crash
  PID:1156
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 968
  2⤵
  - Program crash
  PID:2036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3664
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "JaffaCakes118_01462017cae5db103b27c864ef145b7c.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 1000
  2⤵
  - Program crash
  PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3472 -ip 3472
1⤵
PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3472 -ip 3472
1⤵
PID:1240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3472 -ip 3472
1⤵
PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3472 -ip 3472
1⤵
PID:4984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3472 -ip 3472
1⤵
PID:3476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3472 -ip 3472
1⤵
PID:1284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3472 -ip 3472
1⤵
PID:3256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3472-1-0x0000000002F60000-0x0000000003060000-memory.dmp

Filesize
1024KB

Download
memory/3472-2-0x0000000004B00000-0x0000000004B49000-memory.dmp

Filesize
292KB

Download
memory/3472-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3472-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3472-5-0x0000000004B00000-0x0000000004B49000-memory.dmp

Filesize
292KB

Download
memory/3472-4-0x0000000000400000-0x0000000002DBB000-memory.dmp

Filesize
41.7MB

Download

Analysis

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