c3f7adabdd073b623d886fccee6765f7980f2ad81698fdf38b3e0b536701893a

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11/07/2024, 10:44

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General

Target

38ca1ad1ddf15a8f7248ddefd5b8d74d_JaffaCakes118.dll
Size

26KB
MD5

38ca1ad1ddf15a8f7248ddefd5b8d74d
SHA1

0570f74581f1bc68e7d01faa75dc61bfcfccfe15
SHA256

c3f7adabdd073b623d886fccee6765f7980f2ad81698fdf38b3e0b536701893a
SHA512

741deb3f1eb0e6fd0b47a39bb4559a09f4cdb3b2d2af49bab56021657aa05554d0b1aeb9b6f7a9f9cb0af27e5f3ecfac8cfd2759be352c1509dd3cb2871e6540
SSDEEP

768:Pdh9fQUpt79DTowgzkKPK6QOWVTnSlmg1wUulxC/3ESrDvL:FoUpzDTo1Q+UtSMuuloPESrDvL

Score

7^/10

defense_evasion privilege_escalation

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3584	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\oficx.dll	rundll32.exe
File opened for modification	C:\Windows\oficx.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
3584	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe
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} = "38ca1ad1ddf15a8f7248ddefd5b8d74d_JaffaCakes118.dll,1293806123,641534121,-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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe
3584	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 1236	3852	rundll32.exe	83
PID 3852 wrote to memory of 1236	3852	rundll32.exe	83
PID 3852 wrote to memory of 1236	3852	rundll32.exe	83
PID 1236 wrote to memory of 3584	1236	rundll32.exe	87
PID 1236 wrote to memory of 3584	1236	rundll32.exe	87
PID 1236 wrote to memory of 3584	1236	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\38ca1ad1ddf15a8f7248ddefd5b8d74d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\38ca1ad1ddf15a8f7248ddefd5b8d74d_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 "C:\Windows\oficx.dll",_RunAs@16
    3⤵
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Access Token Manipulation: Create Process with Token
    - Suspicious behavior: EnumeratesProcesses
    PID:3584

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\oficx.dll

Filesize
26KB

MD5
38ca1ad1ddf15a8f7248ddefd5b8d74d

SHA1
0570f74581f1bc68e7d01faa75dc61bfcfccfe15

SHA256
c3f7adabdd073b623d886fccee6765f7980f2ad81698fdf38b3e0b536701893a

SHA512
741deb3f1eb0e6fd0b47a39bb4559a09f4cdb3b2d2af49bab56021657aa05554d0b1aeb9b6f7a9f9cb0af27e5f3ecfac8cfd2759be352c1509dd3cb2871e6540

Download Submit
memory/1236-0-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/1236-6-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/3584-5-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/3584-7-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download