220b69e31187a8152680bd09fe4c0bc0311093f29d9417b8cdde86ff64ef07d3

Analysis

max time kernel
149s
max time network
150s
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 12:22

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General

Target

220b69e31187a8152680bd09fe4c0bc0311093f29d9417b8cdde86ff64ef07d3.dll
Size

76KB
MD5

ee2dcba2565bb922cde38688504f2f66
SHA1

21b144f904c5840d040fa94ca7e87c6eb7077a3b
SHA256

220b69e31187a8152680bd09fe4c0bc0311093f29d9417b8cdde86ff64ef07d3
SHA512

d8ed30f8575dd7762aae38d594ed2ea7bddc5c57258e2630ca87ac0180e31a913646ba29d292a53d59a557112bb37dc1fb2a55c96bb5f789a7f3820fbfd1e3f5
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZynF88dNgMn9Q9D64:c8y93KQjy7G55riF1cMo03EM

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/4624-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4624-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2560	4624	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	4624	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 4624	4052	rundll32.exe	84
PID 4052 wrote to memory of 4624	4052	rundll32.exe	84
PID 4052 wrote to memory of 4624	4052	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\220b69e31187a8152680bd09fe4c0bc0311093f29d9417b8cdde86ff64ef07d3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\220b69e31187a8152680bd09fe4c0bc0311093f29d9417b8cdde86ff64ef07d3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 704
    3⤵
    - Program crash
    PID:2560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4624 -ip 4624
1⤵
PID:960

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/4624-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4624-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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