yunsip | 9cece57d7c6e00a4a7989fe7982c0d4eb423e7d8347cad38bd93818ec5198ab7

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 16:01

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General

Target

9cece57d7c6e00a4a7989fe7982c0d4eb423e7d8347cad38bd93818ec5198ab7N.dll
Size

667KB
MD5

905d048f321d18f873b6426eaeafc460
SHA1

fbff0a1e94e3332ea4acc512d2bf169b4533bb14
SHA256

9cece57d7c6e00a4a7989fe7982c0d4eb423e7d8347cad38bd93818ec5198ab7
SHA512

92b8187abbe1ec6fc4ef0d6c0fbd8c3e3b5dc5784554d4ae9c57230bb4400b707c5a2f5fa27a012a72a34d37cb8a91b8d3de81f377c268fbdb7a1897914f5661
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYn:o6RI1Fo/wT3cJYYYYYYYYYYYYn

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 1972 wrote to memory of 1016	1972	rundll32.exe	83
PID 1972 wrote to memory of 1016	1972	rundll32.exe	83
PID 1972 wrote to memory of 1016	1972	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9cece57d7c6e00a4a7989fe7982c0d4eb423e7d8347cad38bd93818ec5198ab7N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9cece57d7c6e00a4a7989fe7982c0d4eb423e7d8347cad38bd93818ec5198ab7N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1016

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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