d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39

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
04-01-2025 19:20

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General

Target

d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39N.dll
Size

76KB
MD5

3968ecdb330f07e3092f8e00444ff930
SHA1

3af3863e535b5a4612e08ce62db5ed4b930a307b
SHA256

d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39
SHA512

ba68f8cc8c3d4c07a3fc1c75e97790b81b606b8ed0d2faed1d606077dea288b3c7f06fcd37fde6b230f3237b3b9852180374be01f7bf94005659d91ef30785ab
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZSRpZ:c8y93KQjy7G55riF1cMo03SZ

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4564-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4564-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2644	4564	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	4564	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 4564	4012	rundll32.exe	83
PID 4012 wrote to memory of 4564	4012	rundll32.exe	83
PID 4012 wrote to memory of 4564	4012	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 716
    3⤵
    - Program crash
    PID:2644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4564 -ip 4564
1⤵
PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/4564-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4564-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download