d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fff

Analysis

max time kernel
95s
max time network
97s
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, 16:15

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General

Target

d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fffN.dll
Size

203KB
MD5

d8110bf41e535227cb5d709f51b35310
SHA1

aac917405f30468551c9a47adb7ee666595f27bd
SHA256

d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fff
SHA512

560c6ffab36331773f206f7d6a54fda8b8881f03e61b6e3bef85ca7636c9ce990df67d26d957a3450b83d7a4c887d5902e91fe7743434cd790191a42f4b90fc6
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMP9G:5kmCaiEoFEd+F3txm2SpiMP9G

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3032-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3032-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2220	3032	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	3032	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 3032	4016	rundll32.exe	83
PID 4016 wrote to memory of 3032	4016	rundll32.exe	83
PID 4016 wrote to memory of 3032	4016	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fffN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d559bbcc4b3043a262086cda9bc8b6c737efffaf8725ac7468639443f3a09fffN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 708
    3⤵
    - Program crash
    PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3032 -ip 3032
1⤵
PID:772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/3032-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/3032-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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