yunsip | 077d8a45c986f9a3b5d06fc18007a481e9345184229d36264ccadeb88486f3b5

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 11:32

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General

Target

077d8a45c986f9a3b5d06fc18007a481e9345184229d36264ccadeb88486f3b5N.dll
Size

838KB
MD5

c1101c0849b95a118d8eac3a4c0903c0
SHA1

70041d2f3dccb60fdded467b6fe33be3e491c396
SHA256

077d8a45c986f9a3b5d06fc18007a481e9345184229d36264ccadeb88486f3b5
SHA512

2fed37e6ab9dfe1030b0bd77b7c9c656ca904feebdf199b321fd0b9f0cc7de2eb83649ec5d63be360314e5edbaf84b1feef5d4137232d1a02db2dbd4b1d80061
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q06:jDgtfRQUHPw06MoV2nwTBlhm8y

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 7 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2544	2296	rundll32.exe	28
PID 2296 wrote to memory of 2544	2296	rundll32.exe	28
PID 2296 wrote to memory of 2544	2296	rundll32.exe	28
PID 2296 wrote to memory of 2544	2296	rundll32.exe	28
PID 2296 wrote to memory of 2544	2296	rundll32.exe	28
PID 2296 wrote to memory of 2544	2296	rundll32.exe	28
PID 2296 wrote to memory of 2544	2296	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\077d8a45c986f9a3b5d06fc18007a481e9345184229d36264ccadeb88486f3b5N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\077d8a45c986f9a3b5d06fc18007a481e9345184229d36264ccadeb88486f3b5N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544

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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