b88a48915becc98820c61c0b13b02127486aea6219ad493c6fc6f8cb2f2b7a9e

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 19:44

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General

Target

b88a48915becc98820c61c0b13b02127486aea6219ad493c6fc6f8cb2f2b7a9eN.dll
Size

76KB
MD5

0a0d4de0af5f39551858ecec90f599a0
SHA1

926099a84a5b65291dc5c904845ac7bf2365bc56
SHA256

b88a48915becc98820c61c0b13b02127486aea6219ad493c6fc6f8cb2f2b7a9e
SHA512

105af328c78aeabe62025ceed40c38e37b0182064d8fb73abea9a60a7638a8aecf0609694c82c011aa74228311609c2ee61055588985e710914d65f4d8d543fe
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8M7Bc:c8y93KQjy7G55riF1cMo036

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1576-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1576-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1576-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
1576	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1576	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1576	1940	rundll32.exe	31
PID 1940 wrote to memory of 1576	1940	rundll32.exe	31
PID 1940 wrote to memory of 1576	1940	rundll32.exe	31
PID 1940 wrote to memory of 1576	1940	rundll32.exe	31
PID 1940 wrote to memory of 1576	1940	rundll32.exe	31
PID 1940 wrote to memory of 1576	1940	rundll32.exe	31
PID 1940 wrote to memory of 1576	1940	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b88a48915becc98820c61c0b13b02127486aea6219ad493c6fc6f8cb2f2b7a9eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b88a48915becc98820c61c0b13b02127486aea6219ad493c6fc6f8cb2f2b7a9eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1576

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/1576-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1576-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1576-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download