yunsip | 2e61093f46440639698c0c2ce373ade6558612c28e84c0b87cfbc4cc5d1086eb

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 05:12

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General

Target

2e61093f46440639698c0c2ce373ade6558612c28e84c0b87cfbc4cc5d1086ebN.dll
Size

1.5MB
MD5

344eedf663edd4f261668d0a74daf970
SHA1

12c90a9cf21e3e8ac1a0ff0737603f9b3c99da04
SHA256

2e61093f46440639698c0c2ce373ade6558612c28e84c0b87cfbc4cc5d1086eb
SHA512

cf27751eb67b07cb6d8ddff627232ab9b89cb08790d30f24527833ffd6b6c7fcc1e61a483d4839f0af63b657551749f9c3c6eeb849e6aed15ecdc11b524d4303
SSDEEP

6144:jDgtfRQUHPw06MoV2nwTBlhm8zDgtfRQUHPw06MoV2nwTBlhm8N:jDgN6MoIwT3vDgN6MoIwT3p

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 812 wrote to memory of 2380	812	rundll32.exe	30
PID 812 wrote to memory of 2380	812	rundll32.exe	30
PID 812 wrote to memory of 2380	812	rundll32.exe	30
PID 812 wrote to memory of 2380	812	rundll32.exe	30
PID 812 wrote to memory of 2380	812	rundll32.exe	30
PID 812 wrote to memory of 2380	812	rundll32.exe	30
PID 812 wrote to memory of 2380	812	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e61093f46440639698c0c2ce373ade6558612c28e84c0b87cfbc4cc5d1086ebN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e61093f46440639698c0c2ce373ade6558612c28e84c0b87cfbc4cc5d1086ebN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2380

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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