yunsip | ad3de4c3d603d4fd7fdd3195aab4534c2cdbe459c9ff583da1d410a12d3d1bed

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 00:24

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General

Target

ad3de4c3d603d4fd7fdd3195aab4534c2cdbe459c9ff583da1d410a12d3d1bed.dll
Size

1.0MB
MD5

e737b7a8b030c08d9f2e2117d13bb910
SHA1

429f9e11b437c2aac9b7b4c3fbd91d76c9771bf9
SHA256

ad3de4c3d603d4fd7fdd3195aab4534c2cdbe459c9ff583da1d410a12d3d1bed
SHA512

9463de9e6f3c4a40df40ea4b4fe4e6838ef34fedbea9b291e82d17d690818f5cdb03d80b1567a29dde3c9eba6c51e171f61879f03ea79df2223a9665d46e51ed
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYq:o6RI1Fo/wT3cJYYYYYYYYYYYYq

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 4720 wrote to memory of 628	4720	rundll32.exe	84
PID 4720 wrote to memory of 628	4720	rundll32.exe	84
PID 4720 wrote to memory of 628	4720	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad3de4c3d603d4fd7fdd3195aab4534c2cdbe459c9ff583da1d410a12d3d1bed.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad3de4c3d603d4fd7fdd3195aab4534c2cdbe459c9ff583da1d410a12d3d1bed.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:628

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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