yunsip | d79485f9aed1f3b915e1f9ba5609214eabeb0ec90c54f154a98d61a026d45a84

Analysis

max time kernel
91s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 03:14

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General

Target

d79485f9aed1f3b915e1f9ba5609214eabeb0ec90c54f154a98d61a026d45a84.dll
Size

502KB
MD5

73441507b92d29512bee29039da0d31a
SHA1

3d761ba54121b83b409195263b6e975fae932ec4
SHA256

d79485f9aed1f3b915e1f9ba5609214eabeb0ec90c54f154a98d61a026d45a84
SHA512

93e5995050d240621514eaaa1089e128b3ef193f1d48a79081784a88ee9a9e5d48a4dbc258c8cbbad6492bf9a5f34419a5cef27db3b4783da80f044bdb215cb2
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0I:jDgtfRQUHPw06MoV2nwTBlhm8A

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

Processes:

rundll32.exe

description ioc process

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

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1392 wrote to memory of 4220	1392	rundll32.exe	rundll32.exe
PID 1392 wrote to memory of 4220	1392	rundll32.exe	rundll32.exe
PID 1392 wrote to memory of 4220	1392	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d79485f9aed1f3b915e1f9ba5609214eabeb0ec90c54f154a98d61a026d45a84.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d79485f9aed1f3b915e1f9ba5609214eabeb0ec90c54f154a98d61a026d45a84.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4220

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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