89a2073e21fb9bc948fc0f654215b206d802d7ba9ceffaa273806711fe691377

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 00:30

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General

Target

89a2073e21fb9bc948fc0f654215b206d802d7ba9ceffaa273806711fe691377.dll
Size

76KB
MD5

577219a559a09ce3f940649c265429e8
SHA1

5983347f40525e29d1870a3a61a3dc03bb4f59f7
SHA256

89a2073e21fb9bc948fc0f654215b206d802d7ba9ceffaa273806711fe691377
SHA512

5121f9f98140392b24d4292640c181bf8e49de3bbc4b925f77ce384b3c917e6267f22cf14a88c8777bce95a46fc377ba63f4e26ba562528c4aa7848f320e1b0c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZoMH1Ma:c8y93KQjy7G55riF1cMo0351Ma

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3040-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3040-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3040-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3040-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2648	3040	WerFault.exe	31

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	3040	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 3040	2956	rundll32.exe	31
PID 2956 wrote to memory of 3040	2956	rundll32.exe	31
PID 2956 wrote to memory of 3040	2956	rundll32.exe	31
PID 2956 wrote to memory of 3040	2956	rundll32.exe	31
PID 2956 wrote to memory of 3040	2956	rundll32.exe	31
PID 2956 wrote to memory of 3040	2956	rundll32.exe	31
PID 2956 wrote to memory of 3040	2956	rundll32.exe	31
PID 3040 wrote to memory of 2648	3040	rundll32.exe	32
PID 3040 wrote to memory of 2648	3040	rundll32.exe	32
PID 3040 wrote to memory of 2648	3040	rundll32.exe	32
PID 3040 wrote to memory of 2648	3040	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89a2073e21fb9bc948fc0f654215b206d802d7ba9ceffaa273806711fe691377.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89a2073e21fb9bc948fc0f654215b206d802d7ba9ceffaa273806711fe691377.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 328
    3⤵
    - Program crash
    PID:2648

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/3040-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3040-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3040-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3040-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download