6500a7c28b411c2b7de90574fed94f4b515e34a8cebe2210db7767334aca9927

Analysis

max time kernel
150s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 13:49

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General

Target

c0e05c4b6ac9f09822f065b255b39303_JaffaCakes118.dll
Size

25KB
MD5

c0e05c4b6ac9f09822f065b255b39303
SHA1

08b14b7551fa95431c80b41c686846e6a1e7644c
SHA256

6500a7c28b411c2b7de90574fed94f4b515e34a8cebe2210db7767334aca9927
SHA512

71919ae8a690ea671935df1918711ae2e5bb1aa8f797b297a00f8d8f70a32fad4c4ba3821f7505d8736ea92f4455d333b97d35d7abb465f24743596a919d0e69
SSDEEP

768:BrHFI0/T/ltj9LEPgf2cTeXsulEt8f30MFseM:9HFJ3pLPf2qeXsoFFM

Score

5^/10

defense_evasion discovery privilege_escalation

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe

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

Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs

defense_evasion privilege_escalation

Create Process with Token

T1134.002

pid	Process
924	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} = "c0e05c4b6ac9f09822f065b255b39303_JaffaCakes118.dll,1285097749,1563368310,-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 behavior: EnumeratesProcesses 64 IoCs

pid	Process
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe
924	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2896	3036	rundll32.exe	30
PID 3036 wrote to memory of 2896	3036	rundll32.exe	30
PID 3036 wrote to memory of 2896	3036	rundll32.exe	30
PID 3036 wrote to memory of 2896	3036	rundll32.exe	30
PID 3036 wrote to memory of 2896	3036	rundll32.exe	30
PID 3036 wrote to memory of 2896	3036	rundll32.exe	30
PID 3036 wrote to memory of 2896	3036	rundll32.exe	30
PID 2896 wrote to memory of 924	2896	rundll32.exe	31
PID 2896 wrote to memory of 924	2896	rundll32.exe	31
PID 2896 wrote to memory of 924	2896	rundll32.exe	31
PID 2896 wrote to memory of 924	2896	rundll32.exe	31
PID 2896 wrote to memory of 924	2896	rundll32.exe	31
PID 2896 wrote to memory of 924	2896	rundll32.exe	31
PID 2896 wrote to memory of 924	2896	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0e05c4b6ac9f09822f065b255b39303_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0e05c4b6ac9f09822f065b255b39303_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 "C:\Windows\msvcr.dll",_RunAs@0
    3⤵
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Access Token Manipulation: Create Process with Token
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Defense Evasion

Access Token Manipulation

T1134

Create Process with Token

T1134.002

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
25KB

MD5
c0e05c4b6ac9f09822f065b255b39303

SHA1
08b14b7551fa95431c80b41c686846e6a1e7644c

SHA256
6500a7c28b411c2b7de90574fed94f4b515e34a8cebe2210db7767334aca9927

SHA512
71919ae8a690ea671935df1918711ae2e5bb1aa8f797b297a00f8d8f70a32fad4c4ba3821f7505d8736ea92f4455d333b97d35d7abb465f24743596a919d0e69

Download Submit
memory/924-10-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/924-11-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/924-9-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/924-8-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/924-12-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/924-14-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2896-3-0x000000001001A000-0x000000001001B000-memory.dmp

Filesize
4KB

Download
memory/2896-2-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2896-1-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2896-0-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2896-4-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2896-13-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download