yunsip | 423d3f788383828a81ce281bbc1636b13b0c7b270af3556b70272ef891846f3a

Analysis

max time kernel
90s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 02:35

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General

Target

423d3f788383828a81ce281bbc1636b13b0c7b270af3556b70272ef891846f3aN.dll
Size

932KB
MD5

04501b94b4a876df02420a1e609430f0
SHA1

01ce74063af3046b3dc0c246d252d51e841f5bc2
SHA256

423d3f788383828a81ce281bbc1636b13b0c7b270af3556b70272ef891846f3a
SHA512

4eeb3c91b89a0cd642f50d087b95a89663f481c0ae6dc95d3b880e80ddfe77976f1eed3fe38b4ca565706aef66c9119483f0edbec48181a10ff363f80bcf7e95
SSDEEP

6144:jDgtfRQUHPw06MoV2nwTBlhm8zDgtfRQUHPw06MoV2nwTBlhm8j:jDgN6MoIwT3vDgN6MoIwT3P

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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 880	1068	rundll32.exe	84
PID 1068 wrote to memory of 880	1068	rundll32.exe	84
PID 1068 wrote to memory of 880	1068	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\423d3f788383828a81ce281bbc1636b13b0c7b270af3556b70272ef891846f3aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\423d3f788383828a81ce281bbc1636b13b0c7b270af3556b70272ef891846f3aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:880

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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