gcleaner | 832bb287721c9ba37770ea80ae5ace489cb868ea655d022d88db12fb64106ea1

General

Target

2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.exe
Size

366KB
MD5

2edcd0c2c3446b523cce8723b67848b6
SHA1

21d3c4aa74093d9dbf6ba46fba1c8b47ed2496fa
SHA256

832bb287721c9ba37770ea80ae5ace489cb868ea655d022d88db12fb64106ea1
SHA512

64868171ad9559269de920fa17628ba4ae3186d7a17785c8e26780af1d548bc5162d44e4aa0e0aae77509e360ee9e7d6144417f799fa2adebbabe7664c2b4d9b
SSDEEP

3072:5SDHgmih2MkG1/0mbEjqfgl42J4yzkISZd484RuvhGDFWTyZ4TbSAWyTdV/3ZyzJ:SMkW7U4yz6yi/7td8rhaWWCIwnv5

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

C2

gc-prtnrs.top

gcc-prtnrs.top

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 5 IoCs

resource	yara_rule
behavioral2/memory/852-2-0x00000000049F0000-0x0000000004A3F000-memory.dmp	family_onlylogger
behavioral2/memory/852-3-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral2/memory/852-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral2/memory/852-5-0x00000000049F0000-0x0000000004A3F000-memory.dmp	family_onlylogger
behavioral2/memory/852-4-0x0000000000400000-0x0000000002C91000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.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
1732	852	WerFault.exe	83
3116	852	WerFault.exe	83
3712	852	WerFault.exe	83
1108	852	WerFault.exe	83
3860	852	WerFault.exe	83
3016	852	WerFault.exe	83
4876	852	WerFault.exe	83

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	2edcd0c2c3446b523cce8723b67848b6_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
4756	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4756	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 1400	852	2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.exe	99
PID 852 wrote to memory of 1400	852	2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.exe	99
PID 852 wrote to memory of 1400	852	2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.exe	99
PID 1400 wrote to memory of 4756	1400	cmd.exe	103
PID 1400 wrote to memory of 4756	1400	cmd.exe	103
PID 1400 wrote to memory of 4756	1400	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 708
  2⤵
  - Program crash
  PID:1732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 708
  2⤵
  - Program crash
  PID:3116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 928
  2⤵
  - Program crash
  PID:3712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 796
  2⤵
  - Program crash
  PID:1108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 764
  2⤵
  - Program crash
  PID:3860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 740
  2⤵
  - Program crash
  PID:3016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "2edcd0c2c3446b523cce8723b67848b6_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 972
  2⤵
  - Program crash
  PID:4876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 852 -ip 852
1⤵
PID:4764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 852 -ip 852
1⤵
PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 852 -ip 852
1⤵
PID:4240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 852 -ip 852
1⤵
PID:404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 852 -ip 852
1⤵
PID:2872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 852 -ip 852
1⤵
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 852 -ip 852
1⤵
PID:1336

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/852-1-0x0000000002E50000-0x0000000002F50000-memory.dmp

Filesize
1024KB

Download
memory/852-2-0x00000000049F0000-0x0000000004A3F000-memory.dmp

Filesize
316KB

Download
memory/852-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/852-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/852-5-0x00000000049F0000-0x0000000004A3F000-memory.dmp

Filesize
316KB

Download
memory/852-4-0x0000000000400000-0x0000000002C91000-memory.dmp

Filesize
40.6MB

Download

Analysis

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