71aeae8a1a4fbd4d6d298268e3de23d04d7f7f262433109761b224f48e6b0533

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:26

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General

Target

71aeae8a1a4fbd4d6d298268e3de23d04d7f7f262433109761b224f48e6b0533.dll
Size

76KB
MD5

7b15b2efaf658dbb221352b0844a467b
SHA1

0438ecf3e1955802f40ee47805cdfa15dd1f924c
SHA256

71aeae8a1a4fbd4d6d298268e3de23d04d7f7f262433109761b224f48e6b0533
SHA512

681078662b647022ba57aad852b13a8bbc87d5f34bd967f1d3c35b4b67e4960968cca9b330c29bf65b1d943753454c7b9bd58529402e31d550c272217ac88a06
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z4uN7wk:c8y93KQjy7G55riF1cMo03L7wk

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/1948-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1948-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1948-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	1948	WerFault.exe	30

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	1948	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 1948 wrote to memory of 2916	1948	rundll32.exe	31
PID 1948 wrote to memory of 2916	1948	rundll32.exe	31
PID 1948 wrote to memory of 2916	1948	rundll32.exe	31
PID 1948 wrote to memory of 2916	1948	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71aeae8a1a4fbd4d6d298268e3de23d04d7f7f262433109761b224f48e6b0533.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\71aeae8a1a4fbd4d6d298268e3de23d04d7f7f262433109761b224f48e6b0533.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 340
    3⤵
    - Program crash
    PID:2916

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/1948-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1948-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1948-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1948-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download