539c0d286142ccc9e494ce3ec1067d844dea3e14b800cacdcc33643a396341d8

Analysis

max time kernel
23s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 19:46

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General

Target

539c0d286142ccc9e494ce3ec1067d844dea3e14b800cacdcc33643a396341d8N.dll
Size

76KB
MD5

32d6111b3331a59363bbe9e1988e95f0
SHA1

903bbd15c11b3de87e94bdc443b46779576ea890
SHA256

539c0d286142ccc9e494ce3ec1067d844dea3e14b800cacdcc33643a396341d8
SHA512

defa747ef5d67a6aaba9c63f4c33bdd84f03904d8a163f1fd8c270f6015b9f7f390449fa3a55c3e749ef56b7a3c71d1af9178ce023e75b6b5efecbfb738ef9dc
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZtmrhQt:c8y93KQjy7G55riF1cMo03er0

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
behavioral1/memory/2240-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2240-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2240	WerFault.exe	30

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	2240	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2240	3040	rundll32.exe	30
PID 3040 wrote to memory of 2240	3040	rundll32.exe	30
PID 3040 wrote to memory of 2240	3040	rundll32.exe	30
PID 3040 wrote to memory of 2240	3040	rundll32.exe	30
PID 3040 wrote to memory of 2240	3040	rundll32.exe	30
PID 3040 wrote to memory of 2240	3040	rundll32.exe	30
PID 3040 wrote to memory of 2240	3040	rundll32.exe	30
PID 2240 wrote to memory of 2760	2240	rundll32.exe	31
PID 2240 wrote to memory of 2760	2240	rundll32.exe	31
PID 2240 wrote to memory of 2760	2240	rundll32.exe	31
PID 2240 wrote to memory of 2760	2240	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\539c0d286142ccc9e494ce3ec1067d844dea3e14b800cacdcc33643a396341d8N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\539c0d286142ccc9e494ce3ec1067d844dea3e14b800cacdcc33643a396341d8N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 304
    3⤵
    - Program crash
    PID:2760

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/2240-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2240-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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