39e62a231bab84921afd32ba1e12d7501f94c2b8665ba63eca4b6c930423d579

Analysis

max time kernel
140s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 00:46

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General

Target

JaffaCakes118_412b509abe1fad2154f0b023de2e9505.dll
Size

835KB
MD5

412b509abe1fad2154f0b023de2e9505
SHA1

65c400ffd6a088aadd186a292d9e3f0321f2d28d
SHA256

39e62a231bab84921afd32ba1e12d7501f94c2b8665ba63eca4b6c930423d579
SHA512

37baa28cdd8ba7a087a6ff9e7182b1dea49498bd38673f3f793c3cb9319e47c3c35e59c699c6b6cc0ad7aa7ef4ca6b3116b331f4e1992f0e93183023f6b0a29d
SSDEEP

12288:mE7NiOLg18+1/hv5VEipyz7mTWWa8afR2ftuD1xbmiULIjpkyGWi9:mE3+F5GipwuWWpj+0ygWM

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2580	rundll32mgr.exe

Loads dropped DLL 2 IoCs

pid	Process
2384	rundll32.exe
2384	rundll32.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000e000000012267-3.dat	upx
behavioral1/memory/2580-13-0x0000000000400000-0x000000000047A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2092	2384	WerFault.exe	30

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 15 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2384	1688	rundll32.exe	30
PID 1688 wrote to memory of 2384	1688	rundll32.exe	30
PID 1688 wrote to memory of 2384	1688	rundll32.exe	30
PID 1688 wrote to memory of 2384	1688	rundll32.exe	30
PID 1688 wrote to memory of 2384	1688	rundll32.exe	30
PID 1688 wrote to memory of 2384	1688	rundll32.exe	30
PID 1688 wrote to memory of 2384	1688	rundll32.exe	30
PID 2384 wrote to memory of 2580	2384	rundll32.exe	31
PID 2384 wrote to memory of 2580	2384	rundll32.exe	31
PID 2384 wrote to memory of 2580	2384	rundll32.exe	31
PID 2384 wrote to memory of 2580	2384	rundll32.exe	31
PID 2384 wrote to memory of 2092	2384	rundll32.exe	32
PID 2384 wrote to memory of 2092	2384	rundll32.exe	32
PID 2384 wrote to memory of 2092	2384	rundll32.exe	32
PID 2384 wrote to memory of 2092	2384	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_412b509abe1fad2154f0b023de2e9505.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_412b509abe1fad2154f0b023de2e9505.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    PID:2580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 224
    3⤵
    - Program crash
    PID:2092

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

\Windows\SysWOW64\rundll32mgr.exe

Filesize
248KB

MD5
4e0a3f0671b99925beda87029d978878

SHA1
d73f392eb8c2c8034386bc6c819bcffaf63dc9a6

SHA256
2d976b3ed36fce1b3973374a4ca3d725126f8357d7dd913ac2c6b91a1e9dc115

SHA512
a5321322da086a72628944e65fd8d313c3964dd71a2b62ccaf156fc34350d26015336e3564fdd79c97d95e6f9b0ee92450d2cc816b48579e530c3caedb8910fc

Download Submit
memory/2384-12-0x0000000000730000-0x00000000007AA000-memory.dmp

Filesize
488KB

Download
memory/2384-10-0x0000000075030000-0x0000000075107000-memory.dmp

Filesize
860KB

Download
memory/2384-9-0x0000000075040000-0x0000000075117000-memory.dmp

Filesize
860KB

Download
memory/2384-8-0x0000000075020000-0x00000000750F7000-memory.dmp

Filesize
860KB

Download
memory/2384-7-0x0000000075030000-0x0000000075107000-memory.dmp

Filesize
860KB

Download
memory/2384-14-0x0000000000730000-0x00000000007AA000-memory.dmp

Filesize
488KB

Download
memory/2384-15-0x0000000075030000-0x0000000075107000-memory.dmp

Filesize
860KB

Download
memory/2580-13-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download