38870d0794b6c38003b78d7c049291bb2962bc64c03d49bee0157baa449f3359

Analysis

max time kernel
93s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 11:15

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General

Target
38870d0794b6c38003b78d7c049291bb2962bc64c03d49bee0157baa449f3359N.dll
Size 76KB
Sample240919-nc2zzawdln
SHA256 38870d0794b6c38003b78d7c049291bb2962bc64c03d49bee0157baa449f3359
MD5 4a09bdb5bf0360ba4f92496c5569b0b0
SHA1 116b93743f77d1e2671f9bc35479085d1f90eaea
SHA512 2d2c9402489e4b2e93fc8d7b2d60640f42831ee235a6e48b3e71a68559f62d088195a95a388a90e2d16514007cc80204a8a507230ec8d4444fc0eae0701aea93
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z3lV9LWEe1:c8y93KQjy7G55riF1cMo0373Q
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/1148-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1148-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4560	1148	WerFault.exe	82

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	1148	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 1148	4092	rundll32.exe	82
PID 4092 wrote to memory of 1148	4092	rundll32.exe	82
PID 4092 wrote to memory of 1148	4092	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\38870d0794b6c38003b78d7c049291bb2962bc64c03d49bee0157baa449f3359N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\38870d0794b6c38003b78d7c049291bb2962bc64c03d49bee0157baa449f3359N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 704
    3⤵
    - Program crash
    PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1148 -ip 1148
1⤵
PID:3844

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/1148-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/1148-1-0x0000000010000000-0x0000000010030000-memory.dmp