3d5458d54344345f492f8ecd5e7506c9b070e00a6889cb92d9e30cfd79103400

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/12/2024, 21:53

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General

Target

3d5458d54344345f492f8ecd5e7506c9b070e00a6889cb92d9e30cfd79103400N.dll
Size

76KB
MD5

47adb8d368d3466ab0f2408f309e0020
SHA1

73808f01b564e88ca6c90203992a7ee21d1f0241
SHA256

3d5458d54344345f492f8ecd5e7506c9b070e00a6889cb92d9e30cfd79103400
SHA512

a7dfd11d8d43b8edeebcb4b5b7f5bf45be969b25c0c8c18e1de5a9e6045e41e249656be6b57dd6b35386b47621509e9b49c6bf142ade4190dc80b7fc2a498b66
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwCdl:c8y93KQjy7G55riF1cMo03Xdl

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2364-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2364-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2364-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1916	2364	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	2364	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2364	2344	rundll32.exe	30
PID 2344 wrote to memory of 2364	2344	rundll32.exe	30
PID 2344 wrote to memory of 2364	2344	rundll32.exe	30
PID 2344 wrote to memory of 2364	2344	rundll32.exe	30
PID 2344 wrote to memory of 2364	2344	rundll32.exe	30
PID 2344 wrote to memory of 2364	2344	rundll32.exe	30
PID 2344 wrote to memory of 2364	2344	rundll32.exe	30
PID 2364 wrote to memory of 1916	2364	rundll32.exe	31
PID 2364 wrote to memory of 1916	2364	rundll32.exe	31
PID 2364 wrote to memory of 1916	2364	rundll32.exe	31
PID 2364 wrote to memory of 1916	2364	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d5458d54344345f492f8ecd5e7506c9b070e00a6889cb92d9e30cfd79103400N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3d5458d54344345f492f8ecd5e7506c9b070e00a6889cb92d9e30cfd79103400N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 336
    3⤵
    - Program crash
    PID:1916

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/2364-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2364-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2364-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download