e75e63696206778326c6e14189198d9a9a0617b96a8f52d211eed292bd40219b

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 05:54

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General

Target

version.dll
Size

5.3MB
MD5

cc165af6a6e4978c66a86b25cf58b92b
SHA1

3767e079d784c5a2b5088de7c172da1c1bf63daf
SHA256

4e12ff9a72b7c2357f46ef645400cb6311330ced73ee787244c85ba7c57e8c8e
SHA512

29ed9563b901b818e69b17861ed55c8e0866f535ead9e1e67926ccaf587bbf00270b088111627a56795f1aff2ba9fab6c01407fa436cea81163e2db958304623
SSDEEP

98304:pCS1O1pjm2VjLI8YKriL2KOwQ6XF5kgNEbiB/n+SWvVO6aNKJkaSjc7:8gO1kmjZY0aQoaY+iIM2kK7

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
832	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2940	832	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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
832	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 832	1696	rundll32.exe	29
PID 1696 wrote to memory of 832	1696	rundll32.exe	29
PID 1696 wrote to memory of 832	1696	rundll32.exe	29
PID 1696 wrote to memory of 832	1696	rundll32.exe	29
PID 1696 wrote to memory of 832	1696	rundll32.exe	29
PID 1696 wrote to memory of 832	1696	rundll32.exe	29
PID 1696 wrote to memory of 832	1696	rundll32.exe	29
PID 832 wrote to memory of 2940	832	rundll32.exe	30
PID 832 wrote to memory of 2940	832	rundll32.exe	30
PID 832 wrote to memory of 2940	832	rundll32.exe	30
PID 832 wrote to memory of 2940	832	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\version.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\version.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 204
    3⤵
    - Program crash
    PID:2940

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

Replay Monitor

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Downloads

memory/832-0-0x0000000073595000-0x00000000738BD000-memory.dmp

Filesize
3.2MB

Download
memory/832-1-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/832-3-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/832-5-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/832-6-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/832-8-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/832-10-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/832-12-0x0000000073590000-0x0000000073E0D000-memory.dmp

Filesize
8.5MB

Download
memory/832-13-0x0000000073590000-0x0000000073E0D000-memory.dmp

Filesize
8.5MB

Download
memory/832-11-0x0000000073590000-0x0000000073E0D000-memory.dmp

Filesize
8.5MB

Download
memory/832-14-0x0000000073595000-0x00000000738BD000-memory.dmp

Filesize
3.2MB

Download