yunsip | ba996adb1511433d8aca681140f78f0c0042d771ed34dc2a3cc6a0d695302f33

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 04:00

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General

Target

bcdba2308a313cc1992ab6fb9ef20a40N.dll
Size

1.2MB
MD5

bcdba2308a313cc1992ab6fb9ef20a40
SHA1

0862d44ddcaf0e8cbad018a23ebc2a46af12bc34
SHA256

ba996adb1511433d8aca681140f78f0c0042d771ed34dc2a3cc6a0d695302f33
SHA512

805ebec0513fc63792a4a5e0fbb243f36895ddef5b4b437964ac06cc6bbb040381acd5bfe52ea914a1568ded44683ec36980323ea103881ea4fe849e22ee4e3b
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0V:jDgtfRQUHPw06MoV2nwTBlhm8N

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 2908 wrote to memory of 636	2908	rundll32.exe	83
PID 2908 wrote to memory of 636	2908	rundll32.exe	83
PID 2908 wrote to memory of 636	2908	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bcdba2308a313cc1992ab6fb9ef20a40N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bcdba2308a313cc1992ab6fb9ef20a40N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:636

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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