yunsip | cd8d1fcd8f05cddad6afea1c69dcd73db468ad6c4716773f9646b0b6a940ebec

Analysis

max time kernel
93s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 23:14

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General

Target

cd8d1fcd8f05cddad6afea1c69dcd73db468ad6c4716773f9646b0b6a940ebecN.dll
Size

1.0MB
MD5

7f93343da2b7af7e735271055c222180
SHA1

900848366c4e83ff72e3d4a4b54115dac918bde8
SHA256

cd8d1fcd8f05cddad6afea1c69dcd73db468ad6c4716773f9646b0b6a940ebec
SHA512

59951a3c19640fe640cb5e727feeb54516bdbe0a0321194b205c754e0ee3778f9f998263463e0ecb744277bf76696267b74827d8b2ed3b44e1d041f951516d20
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0g:jDgtfRQUHPw06MoV2nwTBlhm8Y

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 3 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 4896	4024	rundll32.exe	83
PID 4024 wrote to memory of 4896	4024	rundll32.exe	83
PID 4024 wrote to memory of 4896	4024	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd8d1fcd8f05cddad6afea1c69dcd73db468ad6c4716773f9646b0b6a940ebecN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd8d1fcd8f05cddad6afea1c69dcd73db468ad6c4716773f9646b0b6a940ebecN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4896

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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