dd25e2b04f687fadb772a66715789581648e8d959175e46a736aadb208d86af1

Analysis

max time kernel
134s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2024, 02:19

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General

Target
812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
Size 15KB
Sample241031-csbbeaxdpc
SHA256 dd25e2b04f687fadb772a66715789581648e8d959175e46a736aadb208d86af1
MD5 812d65463c94917fd6deb8412cf8f077
SHA1 b9b1f7c74c54412ce8b29ad638136e2c68958af4
SHA512 b21b6380bade37f2052bdc3e3b8f32d4be8d2f54f697330bdeb7abe83bc348403048bde8d35a2e35d801d52eca42ebf82cb039b526ea6be41225fa46665e4769
SSDEEP 384:er955IfBEgvj/mV8ruxpOwFAVc2JUApGvmS4SEzvIFZdshzMgB9:e55oL/mV8rusqUc+MvmSHLv+MgB9
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2412	ravmsmon.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\ravmsmon = "C:\\Program Files\\NetMeeting\\ravmsmon.exe"	ravmsmon.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\NetMeeting\ravmsmon.exe	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
File created	C:\Program Files\NetMeeting\ravmsmon.exe	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
File opened for modification	C:\Program Files\NetMeeting\ravmsmon.cfg	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
File opened for modification	C:\Program Files\NetMeeting\ravmsmon.dat	ravmsmon.exe
File created	C:\Program Files\NetMeeting\ravmsmon.dat	ravmsmon.exe

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	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ravmsmon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
2412	ravmsmon.exe
2412	ravmsmon.exe
2412	ravmsmon.exe
2412	ravmsmon.exe
2412	ravmsmon.exe
2412	ravmsmon.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	ravmsmon.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3856 wrote to memory of 2412	3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe	84
PID 3856 wrote to memory of 2412	3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe	84
PID 3856 wrote to memory of 2412	3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe	84
PID 2412 wrote to memory of 3416	2412	ravmsmon.exe	56
PID 3856 wrote to memory of 5056	3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe	85
PID 3856 wrote to memory of 5056	3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe	85
PID 3856 wrote to memory of 5056	3856	812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3416
- C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe"
  2⤵
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3856
- - C:\Program Files\NetMeeting\ravmsmon.exe
    "C:\Program Files\NetMeeting\ravmsmon.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2412
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\812d65463c94917fd6deb8412cf8f077_JaffaCakes118.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5056

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

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ravmsmon.exe

Path C:\Program Files\NetMeeting\ravmsmon.exe
Size 15KB
SHA256 dd25e2b04f687fadb772a66715789581648e8d959175e46a736aadb208d86af1
MD5 812d65463c94917fd6deb8412cf8f077
SHA1 b9b1f7c74c54412ce8b29ad638136e2c68958af4
SHA512 b21b6380bade37f2052bdc3e3b8f32d4be8d2f54f697330bdeb7abe83bc348403048bde8d35a2e35d801d52eca42ebf82cb039b526ea6be41225fa46665e4769
SSDEEP 384:er955IfBEgvj/mV8ruxpOwFAVc2JUApGvmS4SEzvIFZdshzMgB9:e55oL/mV8rusqUc+MvmSHLv+MgB9
MD5 SHA1 SHA512 SSDEEP

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