837d90c3aa41e6967d94371313344efdb722eddad122f4baac84b67c5b480b45

General

Target

ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe
Size

25KB
MD5

ad3ac3087fd4df6ee54abfbf00ca840c
SHA1

d03570e901bba2815d71f20635ae5938304e6537
SHA256

837d90c3aa41e6967d94371313344efdb722eddad122f4baac84b67c5b480b45
SHA512

fc300be8836826a11c11c468ff85af9296fb56d74e4d27ddfd2f76a310c6b514f029cf90eada96787d949e6cb0d472a092664014ec82b244cf3acd77699e8a52
SSDEEP

384:ORVdMrJpdYtrV79fy2XsWra7ybsexeoYzzumoAb0aYWcDhXdvgPuouzQb/XlF:uMrW9V7h8oYzzu7klYWcvvBiF

Score

10^/10

discovery evasion

Malware Config

Signatures

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 4044	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	88

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1628	4044	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 5 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	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 4836	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	84
PID 1608 wrote to memory of 4836	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	84
PID 1608 wrote to memory of 4836	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	84
PID 1608 wrote to memory of 1920	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	86
PID 1608 wrote to memory of 1920	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	86
PID 1608 wrote to memory of 1920	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	86
PID 1608 wrote to memory of 4044	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	88
PID 1608 wrote to memory of 4044	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	88
PID 1608 wrote to memory of 4044	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	88
PID 1608 wrote to memory of 4044	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	88
PID 1608 wrote to memory of 4044	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	88
PID 1608 wrote to memory of 4044	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	88
PID 1608 wrote to memory of 4044	1608	ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe	88
PID 4836 wrote to memory of 4600	4836	net.exe	89
PID 4836 wrote to memory of 4600	4836	net.exe	89
PID 4836 wrote to memory of 4600	4836	net.exe	89
PID 1920 wrote to memory of 4440	1920	net.exe	90
PID 1920 wrote to memory of 4440	1920	net.exe	90
PID 1920 wrote to memory of 4440	1920	net.exe	90

C:\Users\Admin\AppData\Local\Temp\ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe"
1⤵
- Modifies security service
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\net.exe
  "C:\Windows\System32\net.exe" (P£(@ˆ|ý
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4836
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 (P£(@ˆ|ý
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4600
- C:\Windows\SysWOW64\net.exe
  "C:\Windows\System32\net.exe" stop SharedAccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4440
- C:\Users\Admin\AppData\Local\Temp\ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ad3ac3087fd4df6ee54abfbf00ca840c_JaffaCakes118.exe"
  2⤵
  PID:4044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 460
    3⤵
    - Program crash
    PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4044 -ip 4044
1⤵
PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Network Share Discovery

Query Registry

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/1608-5-0x0000000000400000-0x000000000040CB88-memory.dmp

Filesize
50KB

Download
memory/4044-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4044-1-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4044-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4044-6-0x0000000000400000-0x0000000000402600-memory.dmp

Filesize
9KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads