8762edd300bc7cc4719686b2f186c5d1f398f07ba8d79315c5822d49dddfef8c

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 08:23

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General

Target

0504d04c5eb3c983f6aac0b3d185332c_JaffaCakes118.dll
Size

571KB
MD5

0504d04c5eb3c983f6aac0b3d185332c
SHA1

c1908c67bc5a8800aa3775ad3816420eabfcc619
SHA256

8762edd300bc7cc4719686b2f186c5d1f398f07ba8d79315c5822d49dddfef8c
SHA512

ae33eedecfae03862265ad64b0fa19929fd2cfd172dab96f6029b9fc8f03c0268b0b0810da830f9a995c95b191fc26ee5694b811eae65e4d79c852bff75ebe39
SSDEEP

12288:qzA5lZhy6RpB/6eXMVVLrkwTzCunpKI13YEqW8qnPuH+VLB:qzA5HhRPSeX2VHkuzRnpz1one/

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2204	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000c000000023b6c-3.dat	upx
behavioral2/memory/2204-5-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/2204-8-0x0000000000400000-0x0000000000462000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2008	3724	WerFault.exe	84
4956	2204	WerFault.exe	85

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 use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 3724	4680	rundll32.exe	84
PID 4680 wrote to memory of 3724	4680	rundll32.exe	84
PID 4680 wrote to memory of 3724	4680	rundll32.exe	84
PID 3724 wrote to memory of 2204	3724	rundll32.exe	85
PID 3724 wrote to memory of 2204	3724	rundll32.exe	85
PID 3724 wrote to memory of 2204	3724	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0504d04c5eb3c983f6aac0b3d185332c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0504d04c5eb3c983f6aac0b3d185332c_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3724
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    PID:2204
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 260
      4⤵
      Program crash
      PID:4956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 608
    3⤵
    - Program crash
    PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2204 -ip 2204
1⤵
PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3724 -ip 3724
1⤵
PID:1320

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

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
160KB

MD5
10b233d4269f3feaa989970f3abca318

SHA1
5449fd61b5e17a1de9df33f156b695b3a140c219

SHA256
3f5b12781d6c9143e6de783eb8b975f750ea61cab675be09487802bc6269fc9f

SHA512
a827b53cb12947e120609e5c35e4fc4303f0ffed45e54e93cb0cfb3b509c3917267b7038a0b30763f3fd41e5e42e94b62f88d2d6cd934ade21fc71888ef994ff

Download Submit
memory/2204-5-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2204-6-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2204-8-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3724-1-0x00000000752D0000-0x0000000075365000-memory.dmp

Filesize
596KB

Download
memory/3724-9-0x00000000752D0000-0x0000000075365000-memory.dmp

Filesize
596KB

Download