yunsip | a39d8b083d87f5775a64d6afd3d8e081fd4ae92e1725c1ebaaf1e5675d787fc3

Analysis

max time kernel
111s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 21:07

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General

Target

ad320b4439ebcdc3a8805a5cf18a4b00N.dll
Size

1.0MB
MD5

ad320b4439ebcdc3a8805a5cf18a4b00
SHA1

b1dd8e0fd66a2a6be4eee2d092fd49fad1364e8d
SHA256

a39d8b083d87f5775a64d6afd3d8e081fd4ae92e1725c1ebaaf1e5675d787fc3
SHA512

ab036b5bc767bb6236b39bdaec92620288c518ceb472439f578bfb3ee3aec54c97c8f8229776b82b3817954341e33c1258590499ce6e872f5aeef8a7c3fcba68
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYf:o6RI1Fo/wT3cJYYYYYYYYYYYYf

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 2364 wrote to memory of 1616	2364	rundll32.exe	29
PID 2364 wrote to memory of 1616	2364	rundll32.exe	29
PID 2364 wrote to memory of 1616	2364	rundll32.exe	29
PID 2364 wrote to memory of 1616	2364	rundll32.exe	29
PID 2364 wrote to memory of 1616	2364	rundll32.exe	29
PID 2364 wrote to memory of 1616	2364	rundll32.exe	29
PID 2364 wrote to memory of 1616	2364	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad320b4439ebcdc3a8805a5cf18a4b00N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad320b4439ebcdc3a8805a5cf18a4b00N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1616

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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