9a981cf91c4a9adde0b35685f4949c0b28084c26b995744771d26c6d588fd820

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 01:07

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General

Target

9a981cf91c4a9adde0b35685f4949c0b28084c26b995744771d26c6d588fd820.dll
Size

76KB
MD5

88059de2e5f42eb4b1824a87c5ad4cd0
SHA1

2076c913d9d2853905837a7e7c97b6bcc0705f02
SHA256

9a981cf91c4a9adde0b35685f4949c0b28084c26b995744771d26c6d588fd820
SHA512

3bdc475d6fbddb10601ddf4e2e2cbe6ad398c363310c0637cfed1ac5de0f0d0cf357f72a247339cc9dca419ad8f85c76b849b7bc199add2bcf77c3982474fc5e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/:c8y93KQjy7G55riF1cMo03N

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/4336-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4336-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4736	4336	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	4336	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 4336	4080	rundll32.exe	82
PID 4080 wrote to memory of 4336	4080	rundll32.exe	82
PID 4080 wrote to memory of 4336	4080	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a981cf91c4a9adde0b35685f4949c0b28084c26b995744771d26c6d588fd820.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a981cf91c4a9adde0b35685f4949c0b28084c26b995744771d26c6d588fd820.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 700
    3⤵
    - Program crash
    PID:4736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4336 -ip 4336
1⤵
PID:2584

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/4336-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4336-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download