bea632713f5318c3a86432f96abcc3bc70e953fb725248bee4ec024dca950244

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:32

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General

Target

eac3e9d2d6bf8ad65528509200701c3a_JaffaCakes118.exe
Size

1.1MB
MD5

eac3e9d2d6bf8ad65528509200701c3a
SHA1

999d6d9d569be9bc9cada17bdaa975ebef4120bd
SHA256

bea632713f5318c3a86432f96abcc3bc70e953fb725248bee4ec024dca950244
SHA512

37f3007718bd132d195cd84f533169c3d926e8c7e4268587168fcd143dab5f64f13d3efdabd7e19e5a9c7056b1113995dec00bb0e233cd4292b897407b94e760
SSDEEP

24576:fuMbGPG2ap+7r2rqDGnYMrYdHFp2mAqw48oRK:2MyPGrp+vVGYTFYXJ1b

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\F95A1.exe.exe	.Download-Server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\F95A1.exe.exe	.Download-Server.exe

Executes dropped EXE 1 IoCs

pid	Process
4228	.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\\\""	eac3e9d2d6bf8ad65528509200701c3a_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	eac3e9d2d6bf8ad65528509200701c3a_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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4228	.Download-Server.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 4228	2564	eac3e9d2d6bf8ad65528509200701c3a_JaffaCakes118.exe	82
PID 2564 wrote to memory of 4228	2564	eac3e9d2d6bf8ad65528509200701c3a_JaffaCakes118.exe	82
PID 2564 wrote to memory of 4228	2564	eac3e9d2d6bf8ad65528509200701c3a_JaffaCakes118.exe	82
PID 4228 wrote to memory of 4988	4228	.Download-Server.exe	83
PID 4228 wrote to memory of 4988	4228	.Download-Server.exe	83
PID 4228 wrote to memory of 4988	4228	.Download-Server.exe	83
PID 4988 wrote to memory of 3240	4988	net.exe	85
PID 4988 wrote to memory of 3240	4988	net.exe	85
PID 4988 wrote to memory of 3240	4988	net.exe	85

C:\Users\Admin\AppData\Local\Temp\eac3e9d2d6bf8ad65528509200701c3a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eac3e9d2d6bf8ad65528509200701c3a_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564
- 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:4228
- - C:\Windows\SysWOW64\net.exe
    net stop wscsvc
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4988
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc
      4⤵
      System Location Discovery: System Language Discovery
      PID:3240

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