yunsip | 71515d0385670d44c8e59c79720a1f2a52120d4e8b8e190dc95817de2ca16f2e

Analysis

max time kernel
95s
max time network
96s
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, 07:51

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General

Target
71515d0385670d44c8e59c79720a1f2a52120d4e8b8e190dc95817de2ca16f2eN.dll
Size 747KB
Sample241219-jp48mswnbj
SHA256 71515d0385670d44c8e59c79720a1f2a52120d4e8b8e190dc95817de2ca16f2e
MD5 45a5b22066c2205b2e1b9b96c5b4bd90
SHA1 1b836b45a056a19b4dd8db8af5c2e36d545c607d
SHA512 5d5ea434935c7d31f1c7f13fb3c83de0f4fe43a012ffdeb15f393b855660ff9eb54a19044b461fcd6048ecea179bb34b2c6a609ddfe9786f16f329be8dc4a354
SSDEEP 6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY/:o6RI1Fo/wT3cJYYYYYYYYYYYY/
MD5 SHA1 SHA512 SSDEEP

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 988 wrote to memory of 2432	988	rundll32.exe	83
PID 988 wrote to memory of 2432	988	rundll32.exe	83
PID 988 wrote to memory of 2432	988	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71515d0385670d44c8e59c79720a1f2a52120d4e8b8e190dc95817de2ca16f2eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\71515d0385670d44c8e59c79720a1f2a52120d4e8b8e190dc95817de2ca16f2eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2432

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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