72e3cb771905d6eb6cf7eedd76ae3e9a27eb55c0dcee689d09adb0a46bb8d5fd

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 12:38

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General

Target

72e3cb771905d6eb6cf7eedd76ae3e9a27eb55c0dcee689d09adb0a46bb8d5fd.dll
Size

76KB
MD5

94ab7e39e1abdf449857ee1838ebb674
SHA1

4a06a8ba0e48c5c7396f44c4d3f67a61ba6d78cf
SHA256

72e3cb771905d6eb6cf7eedd76ae3e9a27eb55c0dcee689d09adb0a46bb8d5fd
SHA512

e853b5cae3d454e83b93e8b3ba6ea20b1c7e95fc17d46066b6700439b425e6b5739eea896bc52de5f8955a0703fc6bbe540a80dbb3c3be4d074b9c6d81c7f11d
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zwp1bfxt:c8y93KQjy7G55riF1cMo03UDH

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/2376-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2376-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2376-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2376-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2380	2376	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	2376	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2400 wrote to memory of 2376	2400	rundll32.exe	30
PID 2376 wrote to memory of 2380	2376	rundll32.exe	31
PID 2376 wrote to memory of 2380	2376	rundll32.exe	31
PID 2376 wrote to memory of 2380	2376	rundll32.exe	31
PID 2376 wrote to memory of 2380	2376	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72e3cb771905d6eb6cf7eedd76ae3e9a27eb55c0dcee689d09adb0a46bb8d5fd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\72e3cb771905d6eb6cf7eedd76ae3e9a27eb55c0dcee689d09adb0a46bb8d5fd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 328
    3⤵
    - Program crash
    PID:2380

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

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Downloads

memory/2376-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2376-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2376-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2376-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download