yunsip | 555c34022981c093f027b856e33bbdd3b39ebd1f681b6d360b68c125f99c23a7

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 03:42

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General

Target

555c34022981c093f027b856e33bbdd3b39ebd1f681b6d360b68c125f99c23a7N.dll
Size

1.0MB
MD5

ca8b0a9d8329f9aa50931f755aaa6610
SHA1

4a72e342ce38ff9155ccc4cbee40242a7db43e05
SHA256

555c34022981c093f027b856e33bbdd3b39ebd1f681b6d360b68c125f99c23a7
SHA512

12b6de6dc261e1abc1bcc1d6e701310d273154a706731725b241d8843f00468c8504ad324a8a63ceb947c4ab09655699c17d5d1a0d1c04ea069046cd64968c1c
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYu:o6RI1Fo/wT3cJYYYYYYYYYYYYu

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 7 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 3060	3048	rundll32.exe	30
PID 3048 wrote to memory of 3060	3048	rundll32.exe	30
PID 3048 wrote to memory of 3060	3048	rundll32.exe	30
PID 3048 wrote to memory of 3060	3048	rundll32.exe	30
PID 3048 wrote to memory of 3060	3048	rundll32.exe	30
PID 3048 wrote to memory of 3060	3048	rundll32.exe	30
PID 3048 wrote to memory of 3060	3048	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\555c34022981c093f027b856e33bbdd3b39ebd1f681b6d360b68c125f99c23a7N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\555c34022981c093f027b856e33bbdd3b39ebd1f681b6d360b68c125f99c23a7N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3060

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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