b2e4cf720bbb88be19b1d4a7e6fa8d65897fa89805ff7cec2d8113bce8338490

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 09:09

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General

Target

b2e4cf720bbb88be19b1d4a7e6fa8d65897fa89805ff7cec2d8113bce8338490N.dll
Size

76KB
MD5

a905fc6980b071e564db93adeab2d4b0
SHA1

4f177834588a8d9e3074f68436e9afd1739762f8
SHA256

b2e4cf720bbb88be19b1d4a7e6fa8d65897fa89805ff7cec2d8113bce8338490
SHA512

29bc18c75c87d4e2122352eac2b8dd4e94eb3a9187e8e42c9d7c814f635a09200c94dd0d8b9aa24dd7e4e878b2eab3d00a3c11651860873f2eeb6fa137162655
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8n7z:c8y93KQjy7G55riF1cMo03an7z

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
behavioral2/memory/2428-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2428-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4432	2428	WerFault.exe	82

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	2428	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2428	1044	rundll32.exe	82
PID 1044 wrote to memory of 2428	1044	rundll32.exe	82
PID 1044 wrote to memory of 2428	1044	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2e4cf720bbb88be19b1d4a7e6fa8d65897fa89805ff7cec2d8113bce8338490N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2e4cf720bbb88be19b1d4a7e6fa8d65897fa89805ff7cec2d8113bce8338490N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 704
    3⤵
    - Program crash
    PID:4432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2428 -ip 2428
1⤵
PID:4476

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/2428-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2428-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download