581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9

Analysis

max time kernel
111s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 09:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9N.dll
Size

76KB
MD5

8e7fc8e5c1b7e1605aba13182dc8d9d0
SHA1

1e65b7df3f3d80177f9a965a9e15764076ced0e2
SHA256

581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9
SHA512

afe681c3fe9f4738ee003fda04188298bea9048cf24e3654ccb95d68263ac446b992e4e57c82c23efac56d43700d98419d932d79d7f3163c2f3334f789d77ffc
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8Q1knGae:c8y93KQjy7G55riF1cMo03e1n4

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/1660-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1660-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1660-3-0x0000000010000000-0x0000000010030000-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
1660	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1660	3052	rundll32.exe	30
PID 3052 wrote to memory of 1660	3052	rundll32.exe	30
PID 3052 wrote to memory of 1660	3052	rundll32.exe	30
PID 3052 wrote to memory of 1660	3052	rundll32.exe	30
PID 3052 wrote to memory of 1660	3052	rundll32.exe	30
PID 3052 wrote to memory of 1660	3052	rundll32.exe	30
PID 3052 wrote to memory of 1660	3052	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\581b7414bf4cc46bcac2ccdda2ea283976697c5844ce346a606e9c49629a4ba9N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1660

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

Loading Replay Monitor...

Downloads

memory/1660-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1660-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1660-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1660-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download