15adbf06f9b2f684ff4e2998d98bda7fe7a4ec05ae3b3c4879b3763aa1600053

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/11/2024, 19:56

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General

Target
15adbf06f9b2f684ff4e2998d98bda7fe7a4ec05ae3b3c4879b3763aa1600053.dll
Size 76KB
Sample241109-ynvedatnbr
SHA256 15adbf06f9b2f684ff4e2998d98bda7fe7a4ec05ae3b3c4879b3763aa1600053
MD5 16cf5a42bf72052e006bc8c6958b3340
SHA1 0c92e25b6ad7f5caaee98e744ca4549e9d6400fb
SHA512 d1f0058340df4eb148a31913532cdcc6cf7f5213e423cf86faab29e7fa4d4baabded813193c3b366dd64f1787f711a20e9d526359d0edd7af8ff690807a9ebc5
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZouR6:c8y93KQjy7G55riF1cMo03OuR6
MD5 SHA1 SHA512 SSDEEP

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/916-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/916-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
516	916	WerFault.exe	83

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	916	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 916	4732	rundll32.exe	83
PID 4732 wrote to memory of 916	4732	rundll32.exe	83
PID 4732 wrote to memory of 916	4732	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15adbf06f9b2f684ff4e2998d98bda7fe7a4ec05ae3b3c4879b3763aa1600053.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\15adbf06f9b2f684ff4e2998d98bda7fe7a4ec05ae3b3c4879b3763aa1600053.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 704
    3⤵
    - Program crash
    PID:516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 916 -ip 916
1⤵
PID:4996

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

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Downloads

memory/916-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/916-1-0x0000000010000000-0x0000000010030000-memory.dmp