b0587a32d48a88a467bbd66b48ab8683ad99c1b9201af34f2fe6b47d63e4ee09

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2024, 22:25

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General

Target

371bc4041a894928a13a5f6805e597a3_JaffaCakes118.exe
Size

186KB
MD5

371bc4041a894928a13a5f6805e597a3
SHA1

93650fda0dd7ce41ad26d4ce885bd65aada7a9e2
SHA256

b0587a32d48a88a467bbd66b48ab8683ad99c1b9201af34f2fe6b47d63e4ee09
SHA512

062c59b0df112c932237d79137a5f6dc0bae553dc38b8fdddb52a1fd3f26f8f6153ea963d9271aeb4800777148a86da86f6f4248e1658548a33e49768a5a08ce
SSDEEP

3072:9nj9mtfUpINndIc0JH/rcuV5M2kuFTZBh5pa63pbkabmKGecqTGRrumE:9jDeindrTZXTvtbmKGcGRrVE

Score

7^/10

discovery persistence

Malware Config

Signatures

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6AE2A.exe.exe	.Download-Server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6AE2A.exe.exe	.Download-Server.exe

Executes dropped EXE 1 IoCs

pid	Process
4672	.Download-Server.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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	371bc4041a894928a13a5f6805e597a3_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 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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	371bc4041a894928a13a5f6805e597a3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	.Download-Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4672	.Download-Server.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 4672	1956	371bc4041a894928a13a5f6805e597a3_JaffaCakes118.exe	84
PID 1956 wrote to memory of 4672	1956	371bc4041a894928a13a5f6805e597a3_JaffaCakes118.exe	84
PID 1956 wrote to memory of 4672	1956	371bc4041a894928a13a5f6805e597a3_JaffaCakes118.exe	84
PID 4672 wrote to memory of 2320	4672	.Download-Server.exe	85
PID 4672 wrote to memory of 2320	4672	.Download-Server.exe	85
PID 4672 wrote to memory of 2320	4672	.Download-Server.exe	85
PID 2320 wrote to memory of 2764	2320	net.exe	87
PID 2320 wrote to memory of 2764	2320	net.exe	87
PID 2320 wrote to memory of 2764	2320	net.exe	87

C:\Users\Admin\AppData\Local\Temp\371bc4041a894928a13a5f6805e597a3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\371bc4041a894928a13a5f6805e597a3_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\.Download-Server.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\.Download-Server.exe
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4672
- - C:\Windows\SysWOW64\net.exe
    net stop wscsvc
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2320
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc
      4⤵
      System Location Discovery: System Language Discovery
      PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\.Download-Server.exe

Filesize
76KB

MD5
ca8c0aca646aae4a7029ae898efc346d

SHA1
785ca48171fd02481769f46d504897f025f42d41

SHA256
67ba1b63d2ccd57013b42cccc4bcfd4537c9cab98a128f1a1e365c86645a67c6

SHA512
7fbb337e5cb97a05217ac679523d926f213007d053d9823fa980b46ef091557be74c933034ff5ea3efb301915d00d6dfe60f8a7d39c54cdc6946ca0abac1223a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads