5bddde66c725480089b859d5fa98d07afc8a0f503d08e3f14060956039429011

Analysis

max time kernel
133s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 22:35

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General

Target
5bddde66c725480089b859d5fa98d07afc8a0f503d08e3f14060956039429011.dll
Size 76KB
Sample240826-2hs6xayerh
SHA256 5bddde66c725480089b859d5fa98d07afc8a0f503d08e3f14060956039429011
MD5 cecfdf380f07235133a9e46f3506f77c
SHA1 b67702cd72f55191e4cf9593e9b676f5dbd0dbda
SHA512 ef5ab863cdce552e0d115a92e273a1aada0a8a463ca7d0991d223a21d6501a1eeb928f2c87ecfcdf8b295fee1c66645948ea7c4e58dced2429f731a9c1fa141d
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZzM88fWBS:c8y93KQjy7G55riF1cMo03ZM88uE
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4060-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4060-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3984	4060	WerFault.exe	84

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4060	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 4060	2448	rundll32.exe	84
PID 2448 wrote to memory of 4060	2448	rundll32.exe	84
PID 2448 wrote to memory of 4060	2448	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bddde66c725480089b859d5fa98d07afc8a0f503d08e3f14060956039429011.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bddde66c725480089b859d5fa98d07afc8a0f503d08e3f14060956039429011.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 712
    3⤵
    - Program crash
    PID:3984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4060 -ip 4060
1⤵
PID:1012

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/4060-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/4060-1-0x0000000010000000-0x0000000010030000-memory.dmp