2a8db3cf7017a1651805dec2b3285b2796ead83ceec80dda246c18d7e6d484cc

Analysis

max time kernel
115s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 12:33

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General

Target
0633cd0308ca11f66aa6df4d845cef80N.dll
Size 76KB
Sample240816-prezesyeln
SHA256 2a8db3cf7017a1651805dec2b3285b2796ead83ceec80dda246c18d7e6d484cc
MD5 0633cd0308ca11f66aa6df4d845cef80
SHA1 94ee20439af80df22eaa9e0dcaa2e470de8a0d27
SHA512 f207059f2bda2d927530662d0a73f1e765a459ea688ee11f8de4702a040df7207756a77313f185a54a0c2ea3348d5cd2b68f503b88b573bcfb77f328bef4279e
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZVsa3num:c8y93KQjy7G55riF1cMo03rjnum
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/3696-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3696-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
544	3696	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	3696	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 3696	4932	rundll32.exe	84
PID 4932 wrote to memory of 3696	4932	rundll32.exe	84
PID 4932 wrote to memory of 3696	4932	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0633cd0308ca11f66aa6df4d845cef80N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0633cd0308ca11f66aa6df4d845cef80N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 712
    3⤵
    - Program crash
    PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3696 -ip 3696
1⤵
PID:5116

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/3696-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3696-2-0x0000000010000000-0x0000000010030000-memory.dmp