yunsip | eb1d14f01306795c4890e3175addf1e6e29b20b8208421eeb5d5a473b51fde23

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 08:41

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General

Target

eb1d14f01306795c4890e3175addf1e6e29b20b8208421eeb5d5a473b51fde23.dll
Size

222KB
MD5

7b721e8fe78d8d2b6f39cead337bfd6a
SHA1

31196191d9746dc7e5353b18f13cf8828d44a474
SHA256

eb1d14f01306795c4890e3175addf1e6e29b20b8208421eeb5d5a473b51fde23
SHA512

dec3ed3a198997d54b668de5e9a3f5f81f1489e1ba3de4c866ad0a5a620a1f4625638cbdb470510802b37bb2c326d1d7cdd9586ef9f4c599def32eda78023a2b
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q09:jDgtfRQUHPw06MoV2nwTBlhm8F

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 2196 wrote to memory of 2236	2196	rundll32.exe	30
PID 2196 wrote to memory of 2236	2196	rundll32.exe	30
PID 2196 wrote to memory of 2236	2196	rundll32.exe	30
PID 2196 wrote to memory of 2236	2196	rundll32.exe	30
PID 2196 wrote to memory of 2236	2196	rundll32.exe	30
PID 2196 wrote to memory of 2236	2196	rundll32.exe	30
PID 2196 wrote to memory of 2236	2196	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb1d14f01306795c4890e3175addf1e6e29b20b8208421eeb5d5a473b51fde23.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb1d14f01306795c4890e3175addf1e6e29b20b8208421eeb5d5a473b51fde23.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2236

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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