yunsip | 4ead33aed05c050d42814f1b34ca2c57f4e9892389f27a680e9b9cb4fe97970c

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 04:56

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General

Target

4ead33aed05c050d42814f1b34ca2c57f4e9892389f27a680e9b9cb4fe97970cN.dll
Size

837KB
MD5

8bee3360c750101124737cadb0dbdd20
SHA1

7e66603bcf8cb481f6d4bef8658b0b0edd005d67
SHA256

4ead33aed05c050d42814f1b34ca2c57f4e9892389f27a680e9b9cb4fe97970c
SHA512

01ae05aa5b16ee9a7ff9781627e898913ad3c0919d353d2f0e0dd6ccf7fe13fdffab10329ce19c94010498b70705743490cc3797cb18d49e37c1084bac94df8a
SSDEEP

6144:jDgtfRQUHPw06MoV2nwTBlhm8zDgtfRQUHPw06MoV2nwTBlhm8D:jDgN6MoIwT3vDgN6MoIwT3X

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

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 3216 wrote to memory of 2688	3216	rundll32.exe	82
PID 3216 wrote to memory of 2688	3216	rundll32.exe	82
PID 3216 wrote to memory of 2688	3216	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ead33aed05c050d42814f1b34ca2c57f4e9892389f27a680e9b9cb4fe97970cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ead33aed05c050d42814f1b34ca2c57f4e9892389f27a680e9b9cb4fe97970cN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688

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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