a9dc248e30b91fe2a559184730a450847233930a7161941b0daf1286f82b44c1

General

Target

f3157f27bca1747a36a41f2650d3d2cd_JaffaCakes118.exe
Size

29KB
MD5

f3157f27bca1747a36a41f2650d3d2cd
SHA1

cf90379eb31c4651253d51848bb8f0cbb855b261
SHA256

a9dc248e30b91fe2a559184730a450847233930a7161941b0daf1286f82b44c1
SHA512

986c9c02780807129728e41714729384d2960d5951d9dd21a5321e00c7f899936b889248d28be53147091edc9a2b6719dba33e529cb4bc64561e519b5cf6636a
SSDEEP

384:6tos5l7l7EMrof6oyr/5NxrimmqDWD4IePUGBsbh0w4wlAokw9OhgOL1vYRGOZzg:6F7GMroynbprsq04IePBKh0p29SgRgR

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4080	netsh.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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	f3157f27bca1747a36a41f2650d3d2cd_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\301b5fcf8ce2fab8868e80b6c1f912fe.exe	System.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\301b5fcf8ce2fab8868e80b6c1f912fe.exe	System.exe

Executes dropped EXE 1 IoCs

pid	Process
4512	System.exe

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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\301b5fcf8ce2fab8868e80b6c1f912fe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\301b5fcf8ce2fab8868e80b6c1f912fe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

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	f3157f27bca1747a36a41f2650d3d2cd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe
4512	System.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4512	System.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 4512	1408	f3157f27bca1747a36a41f2650d3d2cd_JaffaCakes118.exe	89
PID 1408 wrote to memory of 4512	1408	f3157f27bca1747a36a41f2650d3d2cd_JaffaCakes118.exe	89
PID 1408 wrote to memory of 4512	1408	f3157f27bca1747a36a41f2650d3d2cd_JaffaCakes118.exe	89
PID 4512 wrote to memory of 4080	4512	System.exe	90
PID 4512 wrote to memory of 4080	4512	System.exe	90
PID 4512 wrote to memory of 4080	4512	System.exe	90

C:\Users\Admin\AppData\Local\Temp\f3157f27bca1747a36a41f2650d3d2cd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3157f27bca1747a36a41f2650d3d2cd_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\System.exe
  "C:\Users\Admin\AppData\Local\Temp\System.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4512
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4080

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3828,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4436 /prefetch:8
1⤵
PID:4140

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\System.exe

Filesize
29KB

MD5
f3157f27bca1747a36a41f2650d3d2cd

SHA1
cf90379eb31c4651253d51848bb8f0cbb855b261

SHA256
a9dc248e30b91fe2a559184730a450847233930a7161941b0daf1286f82b44c1

SHA512
986c9c02780807129728e41714729384d2960d5951d9dd21a5321e00c7f899936b889248d28be53147091edc9a2b6719dba33e529cb4bc64561e519b5cf6636a

Download Submit
memory/1408-0-0x0000000075262000-0x0000000075263000-memory.dmp

Filesize
4KB

Download
memory/1408-1-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download
memory/1408-2-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download
memory/1408-12-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download
memory/4512-13-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download
memory/4512-14-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download
memory/4512-15-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download
memory/4512-17-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads