0efd620f35014f5371ea4bdc13f3145226e42b9858c184c3a931df751dff4581

Analysis

max time kernel
105s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 19:46

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General

Target

0efd620f35014f5371ea4bdc13f3145226e42b9858c184c3a931df751dff4581.dll
Size

76KB
MD5

a5e5ff6c4661bc40a3474ca593a03949
SHA1

e0f8d059d77a3080527cf1917efb32d2a40ff25a
SHA256

0efd620f35014f5371ea4bdc13f3145226e42b9858c184c3a931df751dff4581
SHA512

84be8bb76e065fbb22b123723bb6b08f1189eec667198e2bccec40860fa347f8ffa4feae4207e9d41bcfd9a51c6c38cca14a1ee918f2247a32555efdb1663ce3
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z50WqLfvF:c8y93KQjy7G55riF1cMo038LfvF

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/4580-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4580-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
380	4580	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	4580	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 4580	3448	rundll32.exe	83
PID 3448 wrote to memory of 4580	3448	rundll32.exe	83
PID 3448 wrote to memory of 4580	3448	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0efd620f35014f5371ea4bdc13f3145226e42b9858c184c3a931df751dff4581.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0efd620f35014f5371ea4bdc13f3145226e42b9858c184c3a931df751dff4581.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 712
    3⤵
    - Program crash
    PID:380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4580 -ip 4580
1⤵
PID:408

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/4580-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4580-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download