7c66da15e8df09307a368b2c30120c50caa20562197573aecf3a225d8f527da5

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08/10/2024, 21:28

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General

Target

25b3e35b46f60fdcded6af338b1fee00_JaffaCakes118.dll
Size

35KB
MD5

25b3e35b46f60fdcded6af338b1fee00
SHA1

aafad3b76d76accf8eaf2d4fe0dad44d550e3dc9
SHA256

7c66da15e8df09307a368b2c30120c50caa20562197573aecf3a225d8f527da5
SHA512

596d181d72745ddc05fc96238471eec7b281652800c8a1fe7f37fab0f98bd695b2a6876287bf0d8bf4207715053312dc23194bb97795665ac171959a93d2a31d
SSDEEP

768:GUnnt3MMD2HED38XVGNlOJcruKpzT1Dti5eepgbibFOcqz:GUiMD2038lWQcaKpzTFti8di4cqz

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "25b3e35b46f60fdcded6af338b1fee00_JaffaCakes118.dll,1280015747,-2131950548,-1814625877"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2112	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2356 wrote to memory of 2368	2356	rundll32.exe	30
PID 2368 wrote to memory of 2112	2368	rundll32.exe	31
PID 2368 wrote to memory of 2112	2368	rundll32.exe	31
PID 2368 wrote to memory of 2112	2368	rundll32.exe	31
PID 2368 wrote to memory of 2112	2368	rundll32.exe	31
PID 2368 wrote to memory of 2112	2368	rundll32.exe	31
PID 2368 wrote to memory of 2112	2368	rundll32.exe	31
PID 2368 wrote to memory of 2112	2368	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25b3e35b46f60fdcded6af338b1fee00_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\25b3e35b46f60fdcded6af338b1fee00_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 shell32,Control_RunDLL "C:\Windows\msvcr.dll"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2112

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

C:\Windows\msvcr.dll

Filesize
35KB

MD5
25b3e35b46f60fdcded6af338b1fee00

SHA1
aafad3b76d76accf8eaf2d4fe0dad44d550e3dc9

SHA256
7c66da15e8df09307a368b2c30120c50caa20562197573aecf3a225d8f527da5

SHA512
596d181d72745ddc05fc96238471eec7b281652800c8a1fe7f37fab0f98bd695b2a6876287bf0d8bf4207715053312dc23194bb97795665ac171959a93d2a31d

Download Submit
memory/2112-6-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download
memory/2112-5-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download
memory/2368-0-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download
memory/2368-3-0x0000000010016000-0x0000000010017000-memory.dmp

Filesize
4KB

Download
memory/2368-7-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download
memory/2368-14-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download