a8a848fa6914921e10c509785245dfdfad68524bb5a936417bfd5122a029ef63

General

Target

6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe
Size

284KB
MD5

6a538703032ff79554ee82c7b6913bd6
SHA1

b309b2cf48c40142875e8857fc4522228c2fb39d
SHA256

a8a848fa6914921e10c509785245dfdfad68524bb5a936417bfd5122a029ef63
SHA512

856302770784188306b5bb6d3946f0f7409ce48906329c0d8ced86326e067f353dbb8d56d104d60812ad3e453ed5f785b68c19f0629fe83a5f5abcb06650f788
SSDEEP

6144:RMpXZn/WBTNlUUcNJVWQgJKrbdOyw9rH5SMQPFeT/:MWBgUwJVWQgJ8dOySldQPk

Score

7^/10

discovery persistence upx

Malware Config

Signatures

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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe

UPX packed file 14 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2912-0-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-3-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-4-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-5-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-7-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-6-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-8-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-16-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-17-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-19-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-22-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-24-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-26-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/2912-36-0x0000000000400000-0x000000000047C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\SSS = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe /cs:0 "	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SSS = "\"C:\\6c6e84\\SS6c6_2121.exe\" /s"	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Eset\Nod\	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5060 set thread context of 2912	5060	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe	91

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

System Information Discovery
T1082

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	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3748	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3748	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 2912	5060	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe	91
PID 5060 wrote to memory of 2912	5060	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe	91
PID 5060 wrote to memory of 2912	5060	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe	91
PID 5060 wrote to memory of 2912	5060	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe	91
PID 5060 wrote to memory of 2912	5060	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe	91
PID 2912 wrote to memory of 3748	2912	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe	92
PID 2912 wrote to memory of 3748	2912	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe	92
PID 2912 wrote to memory of 3748	2912	6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Users\Admin\AppData\Local\Temp\6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\Temp\6a538703032ff79554ee82c7b6913bd6_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Software Discovery

1

T1518

Security Software Discovery

1

T1518.001

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2912-6-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-19-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-3-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-4-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-5-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-7-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-36-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-16-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-0-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-17-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-8-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-22-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-24-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2912-26-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/5060-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads