8a3332581ac5d673eaed1e5dc2056ab81f79626b1ee80e66070e48eeee7b7d32

Analysis

max time kernel
15s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 15:38

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General

Target

8a3332581ac5d673eaed1e5dc2056ab81f79626b1ee80e66070e48eeee7b7d32N.dll
Size

76KB
MD5

81cc5ba0a2db141636248592bec6e370
SHA1

31b95bba9dbe9a813d158d8a1af29b96b322fee6
SHA256

8a3332581ac5d673eaed1e5dc2056ab81f79626b1ee80e66070e48eeee7b7d32
SHA512

49e790a12a874611eac729a9449a66bae4cd3764a5908dac06ec258928dba7aea1078761f810d1d760949e07ea6a95d14a65d50dda290be0a8e2a4d74af0b2c6
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZrIkgFb:c8y93KQjy7G55riF1cMo03akgFb

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2348-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2348-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2348-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2348-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2772	2348	WerFault.exe	29

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	2348	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 2348	1176	rundll32.exe	29
PID 1176 wrote to memory of 2348	1176	rundll32.exe	29
PID 1176 wrote to memory of 2348	1176	rundll32.exe	29
PID 1176 wrote to memory of 2348	1176	rundll32.exe	29
PID 1176 wrote to memory of 2348	1176	rundll32.exe	29
PID 1176 wrote to memory of 2348	1176	rundll32.exe	29
PID 1176 wrote to memory of 2348	1176	rundll32.exe	29
PID 2348 wrote to memory of 2772	2348	rundll32.exe	30
PID 2348 wrote to memory of 2772	2348	rundll32.exe	30
PID 2348 wrote to memory of 2772	2348	rundll32.exe	30
PID 2348 wrote to memory of 2772	2348	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a3332581ac5d673eaed1e5dc2056ab81f79626b1ee80e66070e48eeee7b7d32N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a3332581ac5d673eaed1e5dc2056ab81f79626b1ee80e66070e48eeee7b7d32N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 332
    3⤵
    - Program crash
    PID:2772

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/2348-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2348-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2348-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2348-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2348-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download