698be2b05cdc280c40dbc4511abbdb3ae7b524fe09193f4cbb9a10854b605b59

Analysis

max time kernel
129s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 09:08

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General

Target

JaffaCakes118_e28883b2de6a815081a6657a1c3aba43.dll
Size

388KB
MD5

e28883b2de6a815081a6657a1c3aba43
SHA1

60562fe77fd0a03f3743eaea5e252d770c825012
SHA256

698be2b05cdc280c40dbc4511abbdb3ae7b524fe09193f4cbb9a10854b605b59
SHA512

c54c073b9461cc6159d0d28ed019fa7893201d5bb894ec6f1678c139d337616880ca51328a62b9a9bd56627b09a7cfc66881251bd74cc1a10d6e451e69855aa0
SSDEEP

6144:hfGHeq2kJft+YD/+9QaU9PpQrC0DqAnu7rhHf4UwlRS6Cj5KAvvwB/Rgl8zMrML:meq2AlPW9IRpQr7u79HwUIRS6EvYBei

Score

7^/10

discovery persistence

Malware Config

Signatures

Boot or Logon Autostart Execution: Print Processors 1 TTPs 1 IoCs

Adversaries may abuse print processors to run malicious DLLs during system boot for persistence and/or privilege escalation.

persistence

Print Processors

T1547.012

description	ioc	Process
File opened for modification	C:\Windows\system32\spool\PRTPROCS\x64\79BC.tmp	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\spool\PRTPROCS\x64\79BC.tmp	rundll32.exe

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
1216	rundll32.exe
1216	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 1216	1284	rundll32.exe	83
PID 1284 wrote to memory of 1216	1284	rundll32.exe	83
PID 1284 wrote to memory of 1216	1284	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e28883b2de6a815081a6657a1c3aba43.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e28883b2de6a815081a6657a1c3aba43.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Print Processors
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Print Processors

T1547.012

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Print Processors

T1547.012

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\System32\spool\prtprocs\x64\79BC.tmp

Filesize
328KB

MD5
ef632c77ccd213a3510a76af10babd90

SHA1
4307fb2303076af7c22abe4a8cbc50ea59004f5b

SHA256
753e13ec1ce484f415a416f7cae13e6815cf24f6faf4febfa7226eb63259f342

SHA512
fe27e6b95671527fd7a0f29779844df090a8993f7d7b97ef455590750b0390715bda6262909788a71d23aeb92cb707f12034758befe4ead94c22a4a1d45538f8

Download Submit
memory/1216-0-0x0000000001170000-0x00000000011D4000-memory.dmp

Filesize
400KB

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