yunsip | d6af413494ae5d589ee8a1614fdfb9e63ed60995654e820ce21ba6395612685f

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-09-2024 16:40

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General

Target

d6af413494ae5d589ee8a1614fdfb9e63ed60995654e820ce21ba6395612685fN.dll
Size

1.1MB
MD5

7670e5929cb79005cfd1ddead4437290
SHA1

1ea225509e876b6aa952fb60b6b706008c0f427f
SHA256

d6af413494ae5d589ee8a1614fdfb9e63ed60995654e820ce21ba6395612685f
SHA512

665db5ef71361de213b5c62ccba7a390e86d90f13d572801226f746e349a1ee5d4e12f7713bc5c4a894f081eb957c3760f4f81a91d365c482321474bb1817e38
SSDEEP

12288:jDgN6MoIwT3qOOOOOOOOOOOOOOOOOOOOOOi:jTtT3qOOOOOOOOOOOOOOOOOOOOOOi

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 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6af413494ae5d589ee8a1614fdfb9e63ed60995654e820ce21ba6395612685fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6af413494ae5d589ee8a1614fdfb9e63ed60995654e820ce21ba6395612685fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1940

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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