743bf3015b7a77ca6453b870dee874a7e5c578fd9dea9818b63a02ad27e9c817

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
08-01-2025 05:03

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General

Target

743bf3015b7a77ca6453b870dee874a7e5c578fd9dea9818b63a02ad27e9c817N.dll
Size

76KB
MD5

33e7fe5ed85f92512c9d5db96b58c960
SHA1

e16bbc5fad221d9233fb077297395cbd57572774
SHA256

743bf3015b7a77ca6453b870dee874a7e5c578fd9dea9818b63a02ad27e9c817
SHA512

3e70898eca54c65e85234e115381adc6dfc2559fba06d12203c490844b2d959c2fe3a1a86d7088ba2eb5c6cc8f1d69d2882c4f0eed7f91c1860692cfc8364241
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZxcNZv:c8y93KQjy7G55riF1cMo03UNZv

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/2380-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-2-0x0000000010000000-0x0000000010030000-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
2380	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2380	2504	rundll32.exe	30
PID 2504 wrote to memory of 2380	2504	rundll32.exe	30
PID 2504 wrote to memory of 2380	2504	rundll32.exe	30
PID 2504 wrote to memory of 2380	2504	rundll32.exe	30
PID 2504 wrote to memory of 2380	2504	rundll32.exe	30
PID 2504 wrote to memory of 2380	2504	rundll32.exe	30
PID 2504 wrote to memory of 2380	2504	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\743bf3015b7a77ca6453b870dee874a7e5c578fd9dea9818b63a02ad27e9c817N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\743bf3015b7a77ca6453b870dee874a7e5c578fd9dea9818b63a02ad27e9c817N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2380

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/2380-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download