5826bb098ab866c4373a9f2b88e0c0102dd3729e98ef533936ae7865335605df

Analysis

max time kernel
95s
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
16-12-2024 23:21

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General

Target

5826bb098ab866c4373a9f2b88e0c0102dd3729e98ef533936ae7865335605df.dll
Size

76KB
MD5

bf94a7622b2bca1286d0a358896ff305
SHA1

5cdb54589fc66c11152d74dc7be9fa5a2e535c74
SHA256

5826bb098ab866c4373a9f2b88e0c0102dd3729e98ef533936ae7865335605df
SHA512

67c92e0d0e625667e131d9e8b901bdd581e2b211aaf22f37a590d543f245fc041f058a905a6b4c5c0fe9e6d6c328462204a0f9979987ce9060e4ca8448296b8c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z3abdw:c8y93KQjy7G55riF1cMo03cG

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4792-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4792-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2648	4792	WerFault.exe	84

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	4792	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 4792	2344	rundll32.exe	84
PID 2344 wrote to memory of 4792	2344	rundll32.exe	84
PID 2344 wrote to memory of 4792	2344	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5826bb098ab866c4373a9f2b88e0c0102dd3729e98ef533936ae7865335605df.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5826bb098ab866c4373a9f2b88e0c0102dd3729e98ef533936ae7865335605df.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 704
    3⤵
    - Program crash
    PID:2648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4792 -ip 4792
1⤵
PID:3116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/4792-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4792-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download