5d9cd41307ef1bca484ac14ea8849f93f735ff5d04de40ef3f753d704abbb24b

Analysis

max time kernel
140s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 00:01

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General

Target

0d020d09acd437b8e1c20dca59c0f3a6_JaffaCakes118.dll
Size

2.7MB
MD5

0d020d09acd437b8e1c20dca59c0f3a6
SHA1

16474c3ddcd6952e264ae1a6c7289593a173a3fb
SHA256

5d9cd41307ef1bca484ac14ea8849f93f735ff5d04de40ef3f753d704abbb24b
SHA512

91a715168414dca2b187148004f1b7ceea4d0d65ae4b5d130d03d9c470fe971f2da62abc25818d1530f52019694cf550bb1cd89a31a72d34640bffa438bfb904
SSDEEP

3072:axOUTXIspizAnu4OROGvwB16YYPEzTJu1LqB+:axOUTXIsbHGvwBwZczuLi+

Score

6^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~3\\temjeloto.dat,StartAs"	regsvr32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\PROGRA~3\temjeloto.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\temjeloto.dat	regsvr32.exe
File created	C:\PROGRA~3\otolejmet.dat	regsvr32.exe
File opened for modification	C:\PROGRA~3\otolejmet.dat	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4580	regsvr32.exe
4580	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4580	regsvr32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 4580	2616	regsvr32.exe	82
PID 2616 wrote to memory of 4580	2616	regsvr32.exe	82
PID 2616 wrote to memory of 4580	2616	regsvr32.exe	82
PID 4580 wrote to memory of 3456	4580	regsvr32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3456
- C:\Windows\system32\regsvr32.exe
  regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0d020d09acd437b8e1c20dca59c0f3a6_JaffaCakes118.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\regsvr32.exe
    /s C:\Users\Admin\AppData\Local\Temp\0d020d09acd437b8e1c20dca59c0f3a6_JaffaCakes118.dll
    3⤵
    - 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:4580

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\temjeloto.dat

Filesize
3.4MB

MD5
f50933b89c72d9a30bdbe44665871262

SHA1
e79f51256a1cfbf298ac34efc75445f0e86c2b12

SHA256
7bb504f1953470ff4f61d64a8ee211eff59b0dc4e509d49f5db84cda6078bc5f

SHA512
e188d0abdbc433ea0e3a5ea80221092ac1cd28834f03a60e6e04f829901ac000efc4661a925c0d3f092fbf6ed5a19da3a580badd0e5c540cb2a5d13ab442de69

Download Submit
memory/4580-0-0x0000000000401000-0x0000000000421000-memory.dmp

Filesize
128KB

Download
memory/4580-1-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/4580-3-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/4580-2-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/4580-14-0x0000000000401000-0x0000000000421000-memory.dmp

Filesize
128KB

Download
memory/4580-15-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download