yunsip | 9bc8d7605e5adc25478982182f5764164ddab80860e4237ac9c28c5435cb6af1

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
16-10-2024 23:36

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General

Target

9bc8d7605e5adc25478982182f5764164ddab80860e4237ac9c28c5435cb6af1.dll
Size

875KB
MD5

aa1685e4d881720b460c9d1279998b6b
SHA1

6b7326b0ffbc9c7ae9ea136335e089069e10b00d
SHA256

9bc8d7605e5adc25478982182f5764164ddab80860e4237ac9c28c5435cb6af1
SHA512

204e21072caa1945e8c8753aa943bf0cc6b872ef40fd466861a6517df9b322fc9abd57b6843eb385540408f5ce3671251e929812bb81e132c9ab2db00a62e5be
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0z:jDgtfRQUHPw06MoV2nwTBlhm8r

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

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 WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 1632	1848	rundll32.exe	30
PID 1848 wrote to memory of 1632	1848	rundll32.exe	30
PID 1848 wrote to memory of 1632	1848	rundll32.exe	30
PID 1848 wrote to memory of 1632	1848	rundll32.exe	30
PID 1848 wrote to memory of 1632	1848	rundll32.exe	30
PID 1848 wrote to memory of 1632	1848	rundll32.exe	30
PID 1848 wrote to memory of 1632	1848	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bc8d7605e5adc25478982182f5764164ddab80860e4237ac9c28c5435cb6af1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bc8d7605e5adc25478982182f5764164ddab80860e4237ac9c28c5435cb6af1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1632

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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