3dee12105d715e0ec253963dadb3d2aac305339251e9cf657a368aab0da7fefe

General

Target

888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
Size

44KB
MD5

888722b4cfdc0dd5bad101de637267ea
SHA1

620036090058208196dfdef0aa225c857448b53f
SHA256

3dee12105d715e0ec253963dadb3d2aac305339251e9cf657a368aab0da7fefe
SHA512

6a2f92bb28517ec0208244d4a038859f786ca550fd2a1b4acb38b4b6cafddfe48894b38d3bd3d4e36401f72e33ca1cd488027c47005d800bf3d38d53b209015d
SSDEEP

768:9zPeMxFdGZxXeMUOfEb1qeXq/M07W+TjLAEuEHzyn0mwng3iBSftu2UHFDlQypb8:97dFoewK1fa/Mi7TjU2Hzy+nEiBSftuc

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Public\N-7695-6489-5842\winvrsn.exe = "C:\\Users\\Public\\N-7695-6489-5842\\winvrsn.exe:*:Enabled:WinSysCntrl"	888722b4cfdc0dd5bad101de637267ea_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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2428	winvrsn.exe
1200	winvrsn.exe

Loads dropped DLL 2 IoCs

pid	Process
4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
2428	winvrsn.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinSysCntrl = "C:\\Users\\Public\\N-7695-6489-5842\\winvrsn.exe"	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4120 set thread context of 836	4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	89
PID 2428 set thread context of 1200	2428	winvrsn.exe	96

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3464	4120	WerFault.exe	86
4856	2428	WerFault.exe	95

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	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winvrsn.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
2428	winvrsn.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 836	4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	89
PID 4120 wrote to memory of 836	4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	89
PID 4120 wrote to memory of 836	4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	89
PID 4120 wrote to memory of 836	4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	89
PID 4120 wrote to memory of 836	4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	89
PID 4120 wrote to memory of 836	4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	89
PID 4120 wrote to memory of 836	4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	89
PID 4120 wrote to memory of 836	4120	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	89
PID 836 wrote to memory of 2428	836	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	95
PID 836 wrote to memory of 2428	836	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	95
PID 836 wrote to memory of 2428	836	888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe	95
PID 2428 wrote to memory of 1200	2428	winvrsn.exe	96
PID 2428 wrote to memory of 1200	2428	winvrsn.exe	96
PID 2428 wrote to memory of 1200	2428	winvrsn.exe	96
PID 2428 wrote to memory of 1200	2428	winvrsn.exe	96
PID 2428 wrote to memory of 1200	2428	winvrsn.exe	96
PID 2428 wrote to memory of 1200	2428	winvrsn.exe	96
PID 2428 wrote to memory of 1200	2428	winvrsn.exe	96
PID 2428 wrote to memory of 1200	2428	winvrsn.exe	96

C:\Users\Admin\AppData\Local\Temp\888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\AppData\Local\Temp\888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\888722b4cfdc0dd5bad101de637267ea_JaffaCakes118.exe"
  2⤵
  - Modifies firewall policy service
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Users\Public\N-7695-6489-5842\winvrsn.exe
    "C:\Users\Public\N-7695-6489-5842\winvrsn.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2428
  - - C:\Users\Public\N-7695-6489-5842\winvrsn.exe
      "C:\Users\Public\N-7695-6489-5842\winvrsn.exe"
      4⤵
      Executes dropped EXE
      PID:1200
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 628
      4⤵
      Program crash
      PID:4856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 620
  2⤵
  - Program crash
  PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4120 -ip 4120
1⤵
PID:4056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2428 -ip 2428
1⤵
PID:4028

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

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

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\Nj6HM70JD0.log

Filesize
10KB

MD5
8c35f2cce4bbc1433b394b03d63b049f

SHA1
5ffb62edcaa630d2cc9d3c186a9e37e23921e8fa

SHA256
3b91b98de32c74292d0109ca538a46a7d7093f8d88076a686fcecd93f3f124d0

SHA512
ad6bc2331101bffa26676540afbeec4bb803e2ebb11af76ccf43b940d62fe4c9317179e51d57c64bd56ba21be9f8512d3b98092766c522f7e4a0ca091feb0315

Download Submit
C:\Users\Public\N-7695-6489-5842\winvrsn.exe

Filesize
44KB

MD5
888722b4cfdc0dd5bad101de637267ea

SHA1
620036090058208196dfdef0aa225c857448b53f

SHA256
3dee12105d715e0ec253963dadb3d2aac305339251e9cf657a368aab0da7fefe

SHA512
6a2f92bb28517ec0208244d4a038859f786ca550fd2a1b4acb38b4b6cafddfe48894b38d3bd3d4e36401f72e33ca1cd488027c47005d800bf3d38d53b209015d

Download Submit
memory/836-35-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/836-23-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/836-31-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1200-129-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1200-128-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2428-121-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4120-33-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/4120-30-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/4120-32-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/4120-28-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/4120-34-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/4120-29-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download
memory/4120-27-0x0000000000570000-0x0000000000580000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads