356358084caa4c8fbc4db1da7c5a15c9566182f8193dd17a979c22d0012c5016

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 09:28

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General

Target

Rendelsiszm11-2024-pdf.bat.exe
Size

969KB
MD5

f669eaf2b985a35f3b1bf21d73b7caf2
SHA1

e789d818889992fae7365386a24539a4b3bf2765
SHA256

356358084caa4c8fbc4db1da7c5a15c9566182f8193dd17a979c22d0012c5016
SHA512

f8eb6a3f951420ae5e1f787ff4afffd2b3692c877aad548f7c3bffcbebdc9467d259ce90453cedb631a85a76d75abf8985f44667398105f66fa31de89e3a4bbd
SSDEEP

24576:oewAoAZIk1OzKmTFZ476Bnx7eq9xQUsHVSm:CAFLEzPF276l5eq9xQhHs

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 6 IoCs

pid	Process
3048	Rendelsiszm11-2024-pdf.bat.exe
3048	Rendelsiszm11-2024-pdf.bat.exe
3048	Rendelsiszm11-2024-pdf.bat.exe
3048	Rendelsiszm11-2024-pdf.bat.exe
3048	Rendelsiszm11-2024-pdf.bat.exe
3048	Rendelsiszm11-2024-pdf.bat.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\mysterist.ini	Rendelsiszm11-2024-pdf.bat.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
908	3048	WerFault.exe	29

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	Rendelsiszm11-2024-pdf.bat.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 908	3048	Rendelsiszm11-2024-pdf.bat.exe	30
PID 3048 wrote to memory of 908	3048	Rendelsiszm11-2024-pdf.bat.exe	30
PID 3048 wrote to memory of 908	3048	Rendelsiszm11-2024-pdf.bat.exe	30
PID 3048 wrote to memory of 908	3048	Rendelsiszm11-2024-pdf.bat.exe	30

C:\Users\Admin\AppData\Local\Temp\Rendelsiszm11-2024-pdf.bat.exe
"C:\Users\Admin\AppData\Local\Temp\Rendelsiszm11-2024-pdf.bat.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 496
  2⤵
  - Program crash
  PID:908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsj3CF2.tmp\LangDLL.dll

Filesize
5KB

MD5
3dd80dff583544514eeb3a5ed851a519

SHA1
56f7324d9d4230c96d1963e7b3e02b05a6cf5c24

SHA256
86cff5eaca76c49f924cb123d242fdcfd45ab99c4b638d3b8f4a8cfb1970ab5b

SHA512
955f4df195b5d134449904e9020f80125cfb64d70d9482ff583451f3fcb10d15577ceac4180f71a96452d8478f6365160ab15731f9a79a494383087c9310fd1d

Download Submit
\Users\Admin\AppData\Local\Temp\nsj3CF2.tmp\System.dll

Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
memory/3048-33-0x0000000003A20000-0x0000000005658000-memory.dmp

Filesize
28.2MB

Download
memory/3048-34-0x0000000003A20000-0x0000000005658000-memory.dmp

Filesize
28.2MB

Download
memory/3048-35-0x0000000003A20000-0x0000000005658000-memory.dmp

Filesize
28.2MB

Download