yunsip | bd12685e798f9fdbefd84d62cda1c069bec18fb04f0dea1833f8b86661c2b7b4

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-08-2024 14:32

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General

Target

6914fcf36cf234081744faa4fb8467d0N.dll
Size

998KB
MD5

6914fcf36cf234081744faa4fb8467d0
SHA1

abb379b1eb13a01ee238998cc65f89b6ebe2ddd6
SHA256

bd12685e798f9fdbefd84d62cda1c069bec18fb04f0dea1833f8b86661c2b7b4
SHA512

6e47fa24c59c5188ed551fafb1e0e4da69a3f23d6bb845ab9c00cdf4dd5b2967089787327c819d4bd689166c0aad5c74de73156b2743ad35b9e3620a3ced9e2c
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0/: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

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 2384 wrote to memory of 2352	2384	rundll32.exe	30
PID 2384 wrote to memory of 2352	2384	rundll32.exe	30
PID 2384 wrote to memory of 2352	2384	rundll32.exe	30
PID 2384 wrote to memory of 2352	2384	rundll32.exe	30
PID 2384 wrote to memory of 2352	2384	rundll32.exe	30
PID 2384 wrote to memory of 2352	2384	rundll32.exe	30
PID 2384 wrote to memory of 2352	2384	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6914fcf36cf234081744faa4fb8467d0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6914fcf36cf234081744faa4fb8467d0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2352

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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