yunsip | 9633f9d9aaf49de71af69de58e4bae5579a552bb7dfab00ba745430ca7f47af6

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 23:22

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General

Target

9633f9d9aaf49de71af69de58e4bae5579a552bb7dfab00ba745430ca7f47af6.dll
Size

867KB
MD5

9f7d3425132ba88122a3599cc064b0b0
SHA1

5ff76e97b5b09b758df7201d3155f06cbc8fb86c
SHA256

9633f9d9aaf49de71af69de58e4bae5579a552bb7dfab00ba745430ca7f47af6
SHA512

9cd9089c6bbe221a1523724dd23ec356a975b6f5a2e97fbd8cb2052cc0dd7bbf517fd7c37f4937e2940b5b43263b548ab1bc72c95e5465b7a32efb3585b80d80
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0r:jDgtfRQUHPw06MoV2nwTBlhm8D

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 1620 wrote to memory of 1696	1620	rundll32.exe	30
PID 1620 wrote to memory of 1696	1620	rundll32.exe	30
PID 1620 wrote to memory of 1696	1620	rundll32.exe	30
PID 1620 wrote to memory of 1696	1620	rundll32.exe	30
PID 1620 wrote to memory of 1696	1620	rundll32.exe	30
PID 1620 wrote to memory of 1696	1620	rundll32.exe	30
PID 1620 wrote to memory of 1696	1620	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9633f9d9aaf49de71af69de58e4bae5579a552bb7dfab00ba745430ca7f47af6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9633f9d9aaf49de71af69de58e4bae5579a552bb7dfab00ba745430ca7f47af6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1696

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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