3e531b19d3d07855abf00d8f2ca93bef5207ce2b952c2ffe36977f4f247b5299

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 12:15

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General

Target

3e531b19d3d07855abf00d8f2ca93bef5207ce2b952c2ffe36977f4f247b5299.dll
Size

76KB
MD5

1a2e829b0c1fa6201bd0242ffe215b8d
SHA1

c0975d482df3cb5e8cfc4bf7513819fc03431db8
SHA256

3e531b19d3d07855abf00d8f2ca93bef5207ce2b952c2ffe36977f4f247b5299
SHA512

d9c4c71525a5a4b3b88e781bcb8c437b71540045b864f1b03080eb1a1101e03216b875e25c3994f97494882e20669b7430b8e55cd7f85028bc96744a18f4a5dd
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqLm6:c8y93KQjy7G55riF1cMo034LX

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/1360-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1360-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1360-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1360-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	1360	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	1360	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 1360	2612	rundll32.exe	30
PID 2612 wrote to memory of 1360	2612	rundll32.exe	30
PID 2612 wrote to memory of 1360	2612	rundll32.exe	30
PID 2612 wrote to memory of 1360	2612	rundll32.exe	30
PID 2612 wrote to memory of 1360	2612	rundll32.exe	30
PID 2612 wrote to memory of 1360	2612	rundll32.exe	30
PID 2612 wrote to memory of 1360	2612	rundll32.exe	30
PID 1360 wrote to memory of 2728	1360	rundll32.exe	31
PID 1360 wrote to memory of 2728	1360	rundll32.exe	31
PID 1360 wrote to memory of 2728	1360	rundll32.exe	31
PID 1360 wrote to memory of 2728	1360	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e531b19d3d07855abf00d8f2ca93bef5207ce2b952c2ffe36977f4f247b5299.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e531b19d3d07855abf00d8f2ca93bef5207ce2b952c2ffe36977f4f247b5299.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1360
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 272
    3⤵
    - Program crash
    PID:2728

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/1360-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1360-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1360-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1360-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1360-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download