a16c68da94638876628939052c3ba971dd4c72575f60d1dec9054d0f2f1c3627

General

Target

69c1c382c503cdcdcf33f7d1a712078e_JaffaCakes118.dll
Size

338KB
MD5

69c1c382c503cdcdcf33f7d1a712078e
SHA1

db99df900e58b1fae8218b4ce2a370a8b02fa9c1
SHA256

a16c68da94638876628939052c3ba971dd4c72575f60d1dec9054d0f2f1c3627
SHA512

6800a91e80c1eec71ab02768a8d66efaace50f42b93d6968bcf06055695402a7e9addd487d2cd550b6775372918e82f51b559441306e41318e1649b681a57277
SSDEEP

6144:st5V+ZAyHs3018cgdUkSfLtOnzlfeawK443zFeZXiR6jqHD0Lom8573L6Z:sJ+p4sEUtJOnzlfeY3zFuwoaILF8B3WZ

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 5 IoCs

flow	pid	Process
4	3552	rundll32.exe
31	3552	rundll32.exe
57	3552	rundll32.exe
64	3552	rundll32.exe
68	3552	rundll32.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Net CLR0821\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\69c1c382c503cdcdcf33f7d1a712078e_JaffaCakes118.dll"	rundll32.exe

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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	rundll32.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
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 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4868	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 4868	1444	rundll32.exe	84
PID 1444 wrote to memory of 4868	1444	rundll32.exe	84
PID 1444 wrote to memory of 4868	1444	rundll32.exe	84
PID 2992 wrote to memory of 3552	2992	svchost.exe	86
PID 2992 wrote to memory of 3552	2992	svchost.exe	86
PID 2992 wrote to memory of 3552	2992	svchost.exe	86
PID 4868 wrote to memory of 564	4868	rundll32.exe	87
PID 4868 wrote to memory of 564	4868	rundll32.exe	87
PID 4868 wrote to memory of 564	4868	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\69c1c382c503cdcdcf33f7d1a712078e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\69c1c382c503cdcdcf33f7d1a712078e_JaffaCakes118.dll,#1
  2⤵
  - Server Software Component: Terminal Services DLL
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del "C:\Windows\SysWOW64\rundll32.exe" > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:564

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Net CLR0821"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe c:\users\admin\appdata\local\temp\69c1c382c503cdcdcf33f7d1a712078e_jaffacakes118.dll, Launch
  2⤵
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:3552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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/2992-12-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/2992-50-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/2992-20-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/2992-11-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-43-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-35-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-57-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-53-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-27-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-29-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-51-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-31-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-33-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-47-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/3552-39-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/4868-1-0x0000000002D10000-0x0000000002D12000-memory.dmp

Filesize
8KB

Download
memory/4868-10-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/4868-0-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/4868-2-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/4868-9-0x00000000753A0000-0x00000000754E1000-memory.dmp

Filesize
1.3MB

Download
memory/4868-8-0x00000000754C8000-0x00000000754D9000-memory.dmp

Filesize
68KB

Download

Analysis

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