87186bb751763a56c01af938e5ecab66df03734a2caf8013186fd967a87886a8

Analysis

max time kernel
94s
max time network
95s
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, 04:02

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General

Target

ea8ce0804830714e899f00910b765a10_JaffaCakes118.dll
Size

18KB
MD5

ea8ce0804830714e899f00910b765a10
SHA1

d476426b34fd40fa98ec80c781d8e95aae1e8ef0
SHA256

87186bb751763a56c01af938e5ecab66df03734a2caf8013186fd967a87886a8
SHA512

24e6fbe79d119214bf4c9501e87b8babd9ed63481d3c2925c292d86b8348680fb2484144e0d48da1a47adc380528d1a5df70541783b0504cdec91ec3e9ae4c9d
SSDEEP

384:21YvLhGivfs946vrQwr13yXf9whfmQX7ko6hWAN6PI/SI:f17yF34fqxX7ko6dNmc

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WMIApiSrv.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\WMIApiSrv.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4980	1228	WerFault.exe	82

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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1228	rundll32.exe
1228	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 1228	3116	rundll32.exe	82
PID 3116 wrote to memory of 1228	3116	rundll32.exe	82
PID 3116 wrote to memory of 1228	3116	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea8ce0804830714e899f00910b765a10_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea8ce0804830714e899f00910b765a10_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1228
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 648
    3⤵
    - Program crash
    PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1228 -ip 1228
1⤵
PID:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1228-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/1228-1-0x0000000000C80000-0x0000000000C81000-memory.dmp

Filesize
4KB

Download
memory/1228-3-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download