ef308cfbf0be297c5b8d886e4d6e9b70e01759d1c9ad4be7029eb06bfde26338

Analysis

max time kernel
103s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2024, 12:31

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General

Target
56d451ddd1e39d7439c84a6b864c9350N.dll
Size 76KB
Sample240831-pp6dlatcnf
SHA256 ef308cfbf0be297c5b8d886e4d6e9b70e01759d1c9ad4be7029eb06bfde26338
MD5 56d451ddd1e39d7439c84a6b864c9350
SHA1 97d55d15519c5fef34c8e36500820c0af3b0c8f4
SHA512 cbf050e83938feb3406fd315ed1f504e80efa2f0460756c01f04721cc2c8b217d7e834f291597e96f39920e021af63ac27b0fdf9d2ee08ff08eece6299547183
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZAJK:c8y93KQjy7G55riF1cMo03KJK
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/3520-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3520-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4720	3520	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	3520	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 3520	1196	rundll32.exe	84
PID 1196 wrote to memory of 3520	1196	rundll32.exe	84
PID 1196 wrote to memory of 3520	1196	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56d451ddd1e39d7439c84a6b864c9350N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\56d451ddd1e39d7439c84a6b864c9350N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 728
    3⤵
    - Program crash
    PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3520 -ip 3520
1⤵
PID:1956

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/3520-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3520-2-0x0000000010000000-0x0000000010030000-memory.dmp