3e407516d954caf3b8d542cb394a476d0c4ffaba6cb808c4f1897eef79b264de

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 05:47

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General

Target

3e407516d954caf3b8d542cb394a476d0c4ffaba6cb808c4f1897eef79b264deN.dll
Size

76KB
MD5

f8f0ff7ff261269b0bef8b27360fa960
SHA1

ebd6ffcb8430aae90fa6a26579ec7a61796070ee
SHA256

3e407516d954caf3b8d542cb394a476d0c4ffaba6cb808c4f1897eef79b264de
SHA512

63f5031c68940542c784401d3f101e31f0585b10086ac72d0cee126f314a0bff89e855a1ae3f119659337229cd29028b737b7b7567fe83a9c2f660e3324fa6e8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z3BPh9hVX4:c8y93KQjy7G55riF1cMo03Nto

Score

5^/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/3924-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3924-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3256	3924	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	3924	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 3924	3940	rundll32.exe	83
PID 3940 wrote to memory of 3924	3940	rundll32.exe	83
PID 3940 wrote to memory of 3924	3940	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e407516d954caf3b8d542cb394a476d0c4ffaba6cb808c4f1897eef79b264deN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e407516d954caf3b8d542cb394a476d0c4ffaba6cb808c4f1897eef79b264deN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 712
    3⤵
    - Program crash
    PID:3256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3924 -ip 3924
1⤵
PID:536

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/3924-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3924-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download