98f0e279fd54ea7932ddb9e9c7a7ed144175fbccf085e26b7a74938eb0acda0a

Analysis

max time kernel
94s
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
22-12-2024 13:22

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General

Target

98f0e279fd54ea7932ddb9e9c7a7ed144175fbccf085e26b7a74938eb0acda0a.dll
Size

76KB
MD5

910572d7346c19831c241eb3364036b2
SHA1

513223c60977ca43f91273b32c2d00427094b579
SHA256

98f0e279fd54ea7932ddb9e9c7a7ed144175fbccf085e26b7a74938eb0acda0a
SHA512

7488bb80ee978447cbc84f09f692cb5430878d2a56c4c7a162978bbcf3ef6627100f7a461249f4889182268d0a8ef22382ff426794974600bcccab916b2e7a4c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZfTujW2aQe:c8y93KQjy7G55riF1cMo03xUfe

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/3940-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3940-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2612	3940	WerFault.exe	82

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	3940	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3336 wrote to memory of 3940	3336	rundll32.exe	82
PID 3336 wrote to memory of 3940	3336	rundll32.exe	82
PID 3336 wrote to memory of 3940	3336	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98f0e279fd54ea7932ddb9e9c7a7ed144175fbccf085e26b7a74938eb0acda0a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\98f0e279fd54ea7932ddb9e9c7a7ed144175fbccf085e26b7a74938eb0acda0a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 704
    3⤵
    - Program crash
    PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3940 -ip 3940
1⤵
PID:4156

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/3940-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3940-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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