yunsip | 70c4bef8ca88f47d059d73cbbd6efb7db97107179b6067bf517adc6a7f3e76f8

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 22:01

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General

Target

70c4bef8ca88f47d059d73cbbd6efb7db97107179b6067bf517adc6a7f3e76f8.dll
Size

873KB
MD5

605fb559e758cbd450665fe71ab88c4f
SHA1

30dd72e7f361859e4dfd1d05b2fc6f7c473062a6
SHA256

70c4bef8ca88f47d059d73cbbd6efb7db97107179b6067bf517adc6a7f3e76f8
SHA512

e35edd3bc53ef692edc88e9807f86bdd898d467b3845328218457a01ba64adce0769a93092e506ad5255957c66436a96820665c8952eab36b941eaf6492d049f
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0D: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

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 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30
PID 2972 wrote to memory of 2528	2972	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\70c4bef8ca88f47d059d73cbbd6efb7db97107179b6067bf517adc6a7f3e76f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\70c4bef8ca88f47d059d73cbbd6efb7db97107179b6067bf517adc6a7f3e76f8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528

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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