87186bb751763a56c01af938e5ecab66df03734a2caf8013186fd967a87886a8

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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
2300	1936	WerFault.exe	30

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
1936	rundll32.exe
1936	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 1936	2280	rundll32.exe	30
PID 2280 wrote to memory of 1936	2280	rundll32.exe	30
PID 2280 wrote to memory of 1936	2280	rundll32.exe	30
PID 2280 wrote to memory of 1936	2280	rundll32.exe	30
PID 2280 wrote to memory of 1936	2280	rundll32.exe	30
PID 2280 wrote to memory of 1936	2280	rundll32.exe	30
PID 2280 wrote to memory of 1936	2280	rundll32.exe	30
PID 1936 wrote to memory of 2300	1936	rundll32.exe	31
PID 1936 wrote to memory of 2300	1936	rundll32.exe	31
PID 1936 wrote to memory of 2300	1936	rundll32.exe	31
PID 1936 wrote to memory of 2300	1936	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea8ce0804830714e899f00910b765a10_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- 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
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 220
    3⤵
    - Program crash
    PID:2300

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

Replay Monitor

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Downloads

memory/1936-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/1936-3-0x000000001000D000-0x000000001000E000-memory.dmp

Filesize
4KB

Download
memory/1936-2-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download