bea4061a3b5645cc09b6a3f5cbddf885f0ef630473c6bec31e3fccb4a6cb8b80

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 00:15

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General

Target

bea4061a3b5645cc09b6a3f5cbddf885f0ef630473c6bec31e3fccb4a6cb8b80N.dll
Size

76KB
MD5

e39f5c390258af3a2e80def233cf5d40
SHA1

d61e66c2ace74f066acfddaa0a21ad244354145d
SHA256

bea4061a3b5645cc09b6a3f5cbddf885f0ef630473c6bec31e3fccb4a6cb8b80
SHA512

4e8a4fdca2af3aa5c1ae846c22d659f53f90b9ee2cd6121892ad7773451819b1fc5bfba33700c2f63a31e14802852786737b1e3a90a3c052db886dff919c2e2a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZZsGhR0Cc9:c8y93KQjy7G55riF1cMo03MGX0r

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/4356-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4356-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2648	4356	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	4356	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 4356	4260	rundll32.exe	82
PID 4260 wrote to memory of 4356	4260	rundll32.exe	82
PID 4260 wrote to memory of 4356	4260	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bea4061a3b5645cc09b6a3f5cbddf885f0ef630473c6bec31e3fccb4a6cb8b80N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bea4061a3b5645cc09b6a3f5cbddf885f0ef630473c6bec31e3fccb4a6cb8b80N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 712
    3⤵
    - Program crash
    PID:2648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4356 -ip 4356
1⤵
PID:3492

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/4356-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4356-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download