8598a685ac763dc0cbed8dc4afe4e77340d2c6dd16deea986a60e8106920eb9e

Analysis

max time kernel
94s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 01:38

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General

Target

8598a685ac763dc0cbed8dc4afe4e77340d2c6dd16deea986a60e8106920eb9e.dll
Size

76KB
MD5

140c2888849c85f9b51d35f82758faf0
SHA1

54761de4bd3145b305de7a0298afc470d9af0b98
SHA256

8598a685ac763dc0cbed8dc4afe4e77340d2c6dd16deea986a60e8106920eb9e
SHA512

89c084056af2d9faeb6d2d7bdc3e34bd2b427c7a99c01427eb512b03de9f76028cd51e74545db93e437f3faa6187741bab4e2ef929464f75829559ff0b4f2266
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zijw6QglfO:c8y93KQjy7G55riF1cMo03Isg0

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

Processes:

resource	yara_rule
behavioral2/memory/4804-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4804-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3956	4804	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description	pid	Process
Token: SeDebugPrivilege	4804	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 3392 wrote to memory of 4804	3392	rundll32.exe	82
PID 3392 wrote to memory of 4804	3392	rundll32.exe	82
PID 3392 wrote to memory of 4804	3392	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8598a685ac763dc0cbed8dc4afe4e77340d2c6dd16deea986a60e8106920eb9e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8598a685ac763dc0cbed8dc4afe4e77340d2c6dd16deea986a60e8106920eb9e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 700
    3⤵
    - Program crash
    PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4804 -ip 4804
1⤵
PID:3280

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/4804-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4804-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download