yunsip | 2108c16713a89b47ba3cec1e6b749adb5cfa2b701495582282f0101ccc09f0f7

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
12/01/2025, 20:06

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General

Target
2108c16713a89b47ba3cec1e6b749adb5cfa2b701495582282f0101ccc09f0f7.dll
Size 838KB
Sample250112-yvrbaszldj
SHA256 2108c16713a89b47ba3cec1e6b749adb5cfa2b701495582282f0101ccc09f0f7
MD5 5f4dc42420bf97c123ae1f1a35941ef8
SHA1 b8656436da8e90e8b37723bb2e21ca8a7def61c7
SHA512 5a77a211cd35cfce2de032a2e9fb5847c6a310d36109b7895b19b61d11ecea860f41fa640d9fb14e715bbcf9f0f0de1dbe64790b86a79687ec0f27d50181d908
SSDEEP 3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0+:jDgtfRQUHPw06MoV2nwTBlhm8G
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 3736 wrote to memory of 3876	3736	rundll32.exe	83
PID 3736 wrote to memory of 3876	3736	rundll32.exe	83
PID 3736 wrote to memory of 3876	3736	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2108c16713a89b47ba3cec1e6b749adb5cfa2b701495582282f0101ccc09f0f7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2108c16713a89b47ba3cec1e6b749adb5cfa2b701495582282f0101ccc09f0f7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3876

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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