yunsip | 40a41e6e901a7c8849cd2b51774463525b0cc7fbf279e78fd76e24552bf4b9b5

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 12:13

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General

Target

40a41e6e901a7c8849cd2b51774463525b0cc7fbf279e78fd76e24552bf4b9b5N.dll
Size

737KB
MD5

79d66ef09121c879c72c064f752f0500
SHA1

da1cc404e407f11cb90baea0119aaf2134218901
SHA256

40a41e6e901a7c8849cd2b51774463525b0cc7fbf279e78fd76e24552bf4b9b5
SHA512

15f2ef80baf261075eb4f6ade461785044b28ef087ffac7a48de9e541d42e6eede4e7f31eab05bc2d23791c360a6d1f810c459f21cb6cab904076e5197d49b0f
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0s:jDgtfRQUHPw06MoV2nwTBlhm80

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 640 wrote to memory of 1156	640	rundll32.exe	85
PID 640 wrote to memory of 1156	640	rundll32.exe	85
PID 640 wrote to memory of 1156	640	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\40a41e6e901a7c8849cd2b51774463525b0cc7fbf279e78fd76e24552bf4b9b5N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\40a41e6e901a7c8849cd2b51774463525b0cc7fbf279e78fd76e24552bf4b9b5N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1156

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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