4af3224e9388eb0635cf76ffbfb70604f6271c90d04fa66a83e788a1ebe2bc4a

General

Target

fe1fdad891d9d70a8882ca84bdceabaf_JaffaCakes118.exe
Size

277KB
MD5

fe1fdad891d9d70a8882ca84bdceabaf
SHA1

bfd898b76e34089f0cee400359270deaca422baf
SHA256

4af3224e9388eb0635cf76ffbfb70604f6271c90d04fa66a83e788a1ebe2bc4a
SHA512

1af84eb316dd5fed69ad478d19805cd9c835cffd248defe708895d70e787f461487220d710e9ee484ec041503cd2fd81768039888f931158680e8cec457a01d5
SSDEEP

6144:JnfoQD+lWXKTrd4wLyHliPMorD29Y2iO+Ai0bgJ3QIkX/l:pXjKTrdS/2WY2hV/bgVjkX/

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
232	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	fe1fdad891d9d70a8882ca84bdceabaf_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	explorerr.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\62c91990ef3b28ae63840fc9e70ab61b.exe	explorer6.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\62c91990ef3b28ae63840fc9e70ab61b.exe	explorer6.exe

Executes dropped EXE 2 IoCs

pid	Process
3108	explorerr.exe
2664	explorer6.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\62c91990ef3b28ae63840fc9e70ab61b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer6.exe\" .."	explorer6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\62c91990ef3b28ae63840fc9e70ab61b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer6.exe\" .."	explorer6.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

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	fe1fdad891d9d70a8882ca84bdceabaf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorerr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe
2664	explorer6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	fe1fdad891d9d70a8882ca84bdceabaf_JaffaCakes118.exe
Token: SeDebugPrivilege	2664	explorer6.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 3108	2452	fe1fdad891d9d70a8882ca84bdceabaf_JaffaCakes118.exe	84
PID 2452 wrote to memory of 3108	2452	fe1fdad891d9d70a8882ca84bdceabaf_JaffaCakes118.exe	84
PID 2452 wrote to memory of 3108	2452	fe1fdad891d9d70a8882ca84bdceabaf_JaffaCakes118.exe	84
PID 3108 wrote to memory of 2664	3108	explorerr.exe	85
PID 3108 wrote to memory of 2664	3108	explorerr.exe	85
PID 3108 wrote to memory of 2664	3108	explorerr.exe	85
PID 2664 wrote to memory of 232	2664	explorer6.exe	86
PID 2664 wrote to memory of 232	2664	explorer6.exe	86
PID 2664 wrote to memory of 232	2664	explorer6.exe	86

C:\Users\Admin\AppData\Local\Temp\fe1fdad891d9d70a8882ca84bdceabaf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe1fdad891d9d70a8882ca84bdceabaf_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\explorerr.exe
  "C:\Users\Admin\AppData\Local\Temp\explorerr.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3108
- - C:\Users\Admin\AppData\Local\Temp\explorer6.exe
    "C:\Users\Admin\AppData\Local\Temp\explorer6.exe"
    3⤵
    - 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:2664
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer6.exe" "explorer6.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:232

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\explorerr.exe

Filesize
29KB

MD5
927fc90520f70757ca37d0d32d14ce2a

SHA1
1b9905e08092cd5fed1293013f1e33ecc1efb418

SHA256
18a4da5e2512a23de9d7409a0972cc2fa6f6aa1c2d78063f88fab15cc1b8bdca

SHA512
6c1db7f3b3b1f4c9352987f37a7a276523dad15e80e39c254ecbef3b3a533a90d4ee4a309f04e5192aeea3588147751a5b5de142b340bbf2209db43e22b769f7

Download Submit
memory/2452-0-0x0000000074622000-0x0000000074623000-memory.dmp

Filesize
4KB

Download
memory/2452-1-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2452-2-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2452-30-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2452-29-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2452-28-0x0000000074622000-0x0000000074623000-memory.dmp

Filesize
4KB

Download
memory/2664-27-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2664-25-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2664-24-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2664-31-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/3108-23-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/3108-13-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/3108-12-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads