0b4aaf7e289c11ee0cfd88e834806bd5c6e52afffa3eed0c56b40972fde82cab

Resubmissions

12/12/2024, 19:10

241212-xvd6aswmep 10

25/08/2024, 14:17

240825-rl7tcsycpe 10

25/08/2024, 14:10

240825-rgzbeszdqj 10

Analysis

max time kernel
103s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 14:10

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General

Target

0b9fbfd66ba0b70991e0693bff0cb830N.dll
Size

76KB
MD5

0b9fbfd66ba0b70991e0693bff0cb830
SHA1

b7633e9752c25bc4657e6c7bfc5471be4b1bc990
SHA256

0b4aaf7e289c11ee0cfd88e834806bd5c6e52afffa3eed0c56b40972fde82cab
SHA512

9826df8cbfa7db6bbc510bd364b0ed7a2c42a431bec6076a5b6874de559f1a8879eda2149de372c31edd0261e49304ce66f9f09b59bf090605b21cbf7f1933ac
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zq7/YPA:c8y93KQjy7G55riF1cMo03iN

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/4180-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4180-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1100	4180	WerFault.exe	86

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	4180	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 4180	4296	rundll32.exe	86
PID 4296 wrote to memory of 4180	4296	rundll32.exe	86
PID 4296 wrote to memory of 4180	4296	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0b9fbfd66ba0b70991e0693bff0cb830N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0b9fbfd66ba0b70991e0693bff0cb830N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4180
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 712
    3⤵
    - Program crash
    PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4180 -ip 4180
1⤵
PID:956

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/4180-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4180-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download