2b49ca21dd645edd3d08709a68f205cc59bcc2a48b8b3ba49815fdceefbb1c4e

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 00:49

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General

Target

$PLUGINSDIR/SkinH.dll
Size

84KB
MD5

a00c474dc4ced90b8f5a692108c45dce
SHA1

e02722d30a6218523e9ddef287817788a4a9b9fc
SHA256

6504e515cbcf89cb98fd9f1a310125bfdf93e1f6a6bf0c64c0229e5670cac9b1
SHA512

e81b001379f94fabb71f1d6a019b81202e00da7338048b77d1728b40427689a32801419377d3e86c51c5e418cc3ccc328ee00adc69eaa575267bcaac8f477abd
SSDEEP

1536:uVNx6WNnPZ369Z3TCy5KcGhVek8Hvv144SNT7qgG7kQSeQmnouy8U:uVNx6WNnPZK9RTkieJw7uWoutU

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral12/memory/848-0-0x0000000010000000-0x000000001003C000-memory.dmp	upx
behavioral12/memory/848-2-0x0000000010000000-0x000000001003C000-memory.dmp	upx
behavioral12/memory/848-4-0x0000000010000000-0x000000001003C000-memory.dmp	upx
behavioral12/memory/848-3-0x0000000010000000-0x000000001003C000-memory.dmp	upx
behavioral12/memory/848-5-0x0000000010000000-0x000000001003C000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1908	848	WerFault.exe	85

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 SetWindowsHookEx 1 IoCs

pid	Process
848	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 848	1820	rundll32.exe	85
PID 1820 wrote to memory of 848	1820	rundll32.exe	85
PID 1820 wrote to memory of 848	1820	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SkinH.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SkinH.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 848 -s 644
    3⤵
    - Program crash
    PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 848 -ip 848
1⤵
PID:1416

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/848-0-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/848-1-0x0000000010009000-0x000000001000A000-memory.dmp

Filesize
4KB

Download
memory/848-2-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/848-4-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/848-3-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download
memory/848-5-0x0000000010000000-0x000000001003C000-memory.dmp

Filesize
240KB

Download