bd4e8c602bcb882b50a65dec3aa49440ff8f04d5f053da2de2a7f529fc8ef8a1

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 23:03

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General

Target

bd4e8c602bcb882b50a65dec3aa49440ff8f04d5f053da2de2a7f529fc8ef8a1N.dll
Size

76KB
MD5

51e2fb98f9d169faf5d150b4cbb6b6e0
SHA1

6ee9615bfb6670ad3706c778e43fcd94f02ed2ed
SHA256

bd4e8c602bcb882b50a65dec3aa49440ff8f04d5f053da2de2a7f529fc8ef8a1
SHA512

2cbb57e361953296a2684862d25a327d0a48fd459e73c4ba042ddce182dcd82cad88191da40359d674818058badb69742562d50cdba58576b4666b576396848a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZDvrXgr:c8y93KQjy7G55riF1cMo03p7gr

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/2812-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2812-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3012	2812	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	2812	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2812	2228	rundll32.exe	29
PID 2228 wrote to memory of 2812	2228	rundll32.exe	29
PID 2228 wrote to memory of 2812	2228	rundll32.exe	29
PID 2228 wrote to memory of 2812	2228	rundll32.exe	29
PID 2228 wrote to memory of 2812	2228	rundll32.exe	29
PID 2228 wrote to memory of 2812	2228	rundll32.exe	29
PID 2228 wrote to memory of 2812	2228	rundll32.exe	29
PID 2812 wrote to memory of 3012	2812	rundll32.exe	30
PID 2812 wrote to memory of 3012	2812	rundll32.exe	30
PID 2812 wrote to memory of 3012	2812	rundll32.exe	30
PID 2812 wrote to memory of 3012	2812	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd4e8c602bcb882b50a65dec3aa49440ff8f04d5f053da2de2a7f529fc8ef8a1N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd4e8c602bcb882b50a65dec3aa49440ff8f04d5f053da2de2a7f529fc8ef8a1N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 332
    3⤵
    - Program crash
    PID:3012

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/2812-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2812-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2812-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download