a65d1be2664cf141a700ffe6a87400c3b186a20eb94d0886558e6eb26e694887

Analysis

max time kernel
92s
max time network
96s
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, 03:27

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General

Target

a65d1be2664cf141a700ffe6a87400c3b186a20eb94d0886558e6eb26e694887N.dll
Size

203KB
MD5

7c16fe6f19df1ce82d28b9673915d9d0
SHA1

978342d3854f80b3cd9e57df21fdcab19550c472
SHA256

a65d1be2664cf141a700ffe6a87400c3b186a20eb94d0886558e6eb26e694887
SHA512

70ccfed85471cad1f7c86812c2f13445b3d68e7d8ff212a9b9c2d0ac3478cd641aae3cc85f8a9501c8f4f645fb97d8d529c45ece72ee7eac78911bf145f734b4
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiM+G:5kmCaiEoFEd+F3txm2SpiM7

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/1268-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1268-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4952	1268	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	1268	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 1268	3908	rundll32.exe	83
PID 3908 wrote to memory of 1268	3908	rundll32.exe	83
PID 3908 wrote to memory of 1268	3908	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a65d1be2664cf141a700ffe6a87400c3b186a20eb94d0886558e6eb26e694887N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a65d1be2664cf141a700ffe6a87400c3b186a20eb94d0886558e6eb26e694887N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 700
    3⤵
    - Program crash
    PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1268 -ip 1268
1⤵
PID:3268

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/1268-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/1268-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download