yunsip | 080b3bc0133063474989f8d51d5ed59453823a3b3a98cee987e8df1046caba4a

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 07:41

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General

Target

080b3bc0133063474989f8d51d5ed59453823a3b3a98cee987e8df1046caba4aN.dll
Size

762KB
MD5

1f22aad5c386becf28dacdaf1d90cf60
SHA1

3ce2aa2add48055b7e69f3ae413e957fc04fa2b5
SHA256

080b3bc0133063474989f8d51d5ed59453823a3b3a98cee987e8df1046caba4a
SHA512

610429f402cc34de00be82b7bba0f2e14bb09436312997b0a1ce41fcce26ad01f203b01bbaf683ccda0efd23e490003a7698e4e08ba51a96d1fbc638da81d755
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0j:jDgtfRQUHPw06MoV2nwTBlhm8b

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4788 wrote to memory of 1408	4788	rundll32.exe	83
PID 4788 wrote to memory of 1408	4788	rundll32.exe	83
PID 4788 wrote to memory of 1408	4788	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\080b3bc0133063474989f8d51d5ed59453823a3b3a98cee987e8df1046caba4aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\080b3bc0133063474989f8d51d5ed59453823a3b3a98cee987e8df1046caba4aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1408

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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