397542e21e11a1520823603525e7fb90cf2f0bcae852f4918426171ca51e8ecc

General

Target

be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe
Size

4KB
MD5

be3d0f7adf5087be97f3d1bc7e6f8354
SHA1

95be89e38bb8f2a116e3e65f91722d544b284bc3
SHA256

397542e21e11a1520823603525e7fb90cf2f0bcae852f4918426171ca51e8ecc
SHA512

fd100983ce2a55a5b10685c900ba087e61c8cb9a2325f592f0d605a09d081f878bc0334b8de34ca25d2aa5d40b589964f3be070ae31c8dc280007f2d3f0d19e3
SSDEEP

96:1eSxHcQ/cGt/ilQasMPqxyEHWtQTW8Y1QGrXHzxBHj:1eAcu3t/ilFsMcCQTzYeGr3lBHj

Score

7^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Run Manager - Critical = "C:\\Windows\\syss32.exe"	be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe

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

Network Share Discovery
T1135

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\syss32.exe	be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe
File opened for modification	C:\Windows\syss32.exe	be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe

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 6 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	net1.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	be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 1384	2092	be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe	86
PID 2092 wrote to memory of 1384	2092	be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe	86
PID 2092 wrote to memory of 1384	2092	be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe	86
PID 1384 wrote to memory of 4156	1384	cmd.exe	88
PID 1384 wrote to memory of 4156	1384	cmd.exe	88
PID 1384 wrote to memory of 4156	1384	cmd.exe	88
PID 4156 wrote to memory of 940	4156	net.exe	89
PID 4156 wrote to memory of 940	4156	net.exe	89
PID 4156 wrote to memory of 940	4156	net.exe	89
PID 1384 wrote to memory of 4508	1384	cmd.exe	90
PID 1384 wrote to memory of 4508	1384	cmd.exe	90
PID 1384 wrote to memory of 4508	1384	cmd.exe	90
PID 4508 wrote to memory of 4388	4508	net.exe	91
PID 4508 wrote to memory of 4388	4508	net.exe	91
PID 4508 wrote to memory of 4388	4508	net.exe	91

C:\Users\Admin\AppData\Local\Temp\be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\be3d0f7adf5087be97f3d1bc7e6f8354_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\a.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Windows\SysWOW64\net.exe
    net stop "Security Center"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4156
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Security Center"
      4⤵
      System Location Discovery: System Language Discovery
      PID:940
- - C:\Windows\SysWOW64\net.exe
    net stop SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4508
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop SharedAccess
      4⤵
      System Location Discovery: System Language Discovery
      PID:4388

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

C:\a.bat

Filesize
85B

MD5
54c5a3f8e67b4add94564995efafc47c

SHA1
62a1a7fce465a87422822082e4e4d931edbf29e3

SHA256
ad84bd1bd5b9768f6c42e3850b51107caa92cdaf4bbc73faaca782557df99518

SHA512
8997f99b07766d8a79b72100119310dcc0d3fee0b2fe96d6eebc4ddd1c6daf25281e1db51628a19e51d95cff858b4573720b959505213887dae8a3ccc12873c8

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads