9e364ccf2384a19973de23c0b730e50a84a250f915e09253e77740baa69eb9bb

Analysis

max time kernel
97s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 09:07

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General

Target

Bin1799/SkinH.dll
Size

89KB
MD5

205e3693cb24b95018eaee62af86ae03
SHA1

038749709bb472031c000557e57857222619dcd5
SHA256

4954323e4532552e5b3691986d579fdce8ebe60b6ec1eb049658103e05c9d52d
SHA512

4115d76eb964e8c84810ca1cb7758c74ef80d99168f38fb9ce036cea58f69b6579eabc16527b529a7f390f220d71952cbbcda84d20a05ef881714cf2c9a645cf
SSDEEP

1536:i0FjTj6ETvveOsaXY9oq6e8+NUUramdPlVoCi2l3PgCfHmYWmqh0NAGNYyq98M0/:i26aHJsa/qRU4h3PHfYmqOYz2ETOFdCY

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral32/memory/2052-0-0x0000000010000000-0x000000001003B000-memory.dmp	upx
behavioral32/memory/2052-2-0x0000000010000000-0x000000001003B000-memory.dmp	upx
behavioral32/memory/2052-3-0x0000000010000000-0x000000001003B000-memory.dmp	upx
behavioral32/memory/2052-4-0x0000000010000000-0x000000001003B000-memory.dmp	upx
behavioral32/memory/2052-5-0x0000000010000000-0x000000001003B000-memory.dmp	upx
behavioral32/memory/2052-6-0x0000000010000000-0x000000001003B000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3552 2052 WerFault.exe 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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

rundll32.exe

pid process

2052 rundll32.exe

pid	pid_target	process	target process
3552	2052	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

pid	process
2052	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4736 wrote to memory of 2052	4736	rundll32.exe	rundll32.exe
PID 4736 wrote to memory of 2052	4736	rundll32.exe	rundll32.exe
PID 4736 wrote to memory of 2052	4736	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Bin1799\SkinH.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Bin1799\SkinH.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 644
    3⤵
    - Program crash
    PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2052 -ip 2052
1⤵
PID:4024

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/2052-0-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2052-2-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2052-3-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2052-4-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2052-1-0x0000000010009000-0x000000001000A000-memory.dmp

Filesize
4KB

Download
memory/2052-5-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/2052-6-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download