yunsip | d35746fc7f88c7276fef7e729ea6879907270390a941f5254c051b3febd67082

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 04:10

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General

Target

d35746fc7f88c7276fef7e729ea6879907270390a941f5254c051b3febd67082.dll
Size

1.1MB
MD5

63b24d82d837f5478c7bd9d66d4c2708
SHA1

5e7a762feaf83ab244133a2ce59bb6db6a5ee78d
SHA256

d35746fc7f88c7276fef7e729ea6879907270390a941f5254c051b3febd67082
SHA512

fa4bb4c1937514e60629ddc713be22e9e0c40504d8b9eeb7cc77a9cbc997d2d8be86406b4b6b1d976af2444ae1098ec4c83e8a9b901605eb12ab54e48db540c3
SSDEEP

12288:jDgN6MoIwT3qOOOOOOOOOOOOOOOOOOOOOOV:jTtT3qOOOOOOOOOOOOOOOOOOOOOOV

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 2700 wrote to memory of 2024	2700	rundll32.exe	30
PID 2700 wrote to memory of 2024	2700	rundll32.exe	30
PID 2700 wrote to memory of 2024	2700	rundll32.exe	30
PID 2700 wrote to memory of 2024	2700	rundll32.exe	30
PID 2700 wrote to memory of 2024	2700	rundll32.exe	30
PID 2700 wrote to memory of 2024	2700	rundll32.exe	30
PID 2700 wrote to memory of 2024	2700	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d35746fc7f88c7276fef7e729ea6879907270390a941f5254c051b3febd67082.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d35746fc7f88c7276fef7e729ea6879907270390a941f5254c051b3febd67082.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2024

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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