65d313175042856546a7956b1565c86a81587766b8438a943957172da76136e4

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 04:32

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General

Target
b8bc2ae78d71f03b69a359bf537a5b70N.dll
Size 76KB
Sample240915-e5yctawbra
SHA256 65d313175042856546a7956b1565c86a81587766b8438a943957172da76136e4
MD5 b8bc2ae78d71f03b69a359bf537a5b70
SHA1 a29b3caec799e5cce542c8791df1e28598af062f
SHA512 34e9c3afabb0dd83e777bc66e5cc43834ba0460a1822bd452c1ae90f0228ff1a62076eabcddcfd0182e62a646fe59c3b20379fab61d2e07a32a26accaa694a26
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwWr3K:c8y93KQjy7G55riF1cMo03uAa
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/3464-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3464-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4592	3464	WerFault.exe	83

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	3464	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 3464	2576	rundll32.exe	83
PID 2576 wrote to memory of 3464	2576	rundll32.exe	83
PID 2576 wrote to memory of 3464	2576	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8bc2ae78d71f03b69a359bf537a5b70N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8bc2ae78d71f03b69a359bf537a5b70N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 704
    3⤵
    - Program crash
    PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3464 -ip 3464
1⤵
PID:4428

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

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Downloads

memory/3464-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3464-2-0x0000000010000000-0x0000000010030000-memory.dmp