yunsip | ce5dc4645b0930f40123fc7688cf7261e79dea32c934183eab601be78cd51acf

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 09:03

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General

Target

ce5dc4645b0930f40123fc7688cf7261e79dea32c934183eab601be78cd51acfN.dll
Size

714KB
MD5

872ac794e9aa6d0a7e9febbb3c077500
SHA1

8fbd5e613d5dfa8adcd8989732d49b0f2f800e72
SHA256

ce5dc4645b0930f40123fc7688cf7261e79dea32c934183eab601be78cd51acf
SHA512

ade939c7cfe9d2d3c0abb4734dff13574a797feb6c47fc5433d454f8f4efa4397a505b598e9e8bdcdbcc5daa44d5e8534f321c6313654512b348e106bec07284
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q05:jDgtfRQUHPw06MoV2nwTBlhm8h

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 1968 wrote to memory of 2344	1968	rundll32.exe	31
PID 1968 wrote to memory of 2344	1968	rundll32.exe	31
PID 1968 wrote to memory of 2344	1968	rundll32.exe	31
PID 1968 wrote to memory of 2344	1968	rundll32.exe	31
PID 1968 wrote to memory of 2344	1968	rundll32.exe	31
PID 1968 wrote to memory of 2344	1968	rundll32.exe	31
PID 1968 wrote to memory of 2344	1968	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce5dc4645b0930f40123fc7688cf7261e79dea32c934183eab601be78cd51acfN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce5dc4645b0930f40123fc7688cf7261e79dea32c934183eab601be78cd51acfN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344

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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