yunsip | 8179e9cc8f7311145ee2392644fb1a1a75a6d8dca6f6d113c23385a3d9b77974

Analysis

max time kernel
135s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 01:14

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General

Target

8179e9cc8f7311145ee2392644fb1a1a75a6d8dca6f6d113c23385a3d9b77974.dll
Size

1.0MB
MD5

708a0ee42898e74e8bb3b3b356db5b12
SHA1

45aadea0272a6ba377fc36e6f9a8560f6ab16be4
SHA256

8179e9cc8f7311145ee2392644fb1a1a75a6d8dca6f6d113c23385a3d9b77974
SHA512

85693aa1ba9fc3155d3547a1160ef441b332df88f23c10ca55124340a45f489a3b89c2ebc74cb48afa69d822191d5e152e0127eca7f577122ebf4b94d162bbab
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0W:jDgtfRQUHPw06MoV2nwTBlhm8e

Score

10^/10

yunsip banker discovery trojan

Malware Config

Signatures

Yunsip
Remote backdoor which communicates with a C2 server to receive commands.
trojan banker yunsip
Yunsip family
yunsip
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4372 wrote to memory of 3800	4372	rundll32.exe	rundll32.exe
PID 4372 wrote to memory of 3800	4372	rundll32.exe	rundll32.exe
PID 4372 wrote to memory of 3800	4372	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8179e9cc8f7311145ee2392644fb1a1a75a6d8dca6f6d113c23385a3d9b77974.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8179e9cc8f7311145ee2392644fb1a1a75a6d8dca6f6d113c23385a3d9b77974.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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