yunsip | 168f29f10d9d5bace166fe82fe0ae1d63e4de0658bc21e606e615e34f4555ab2

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26-07-2024 16:32

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General

Target

168f29f10d9d5bace166fe82fe0ae1d63e4de0658bc21e606e615e34f4555ab2.dll
Size

181KB
MD5

2b158e10981db4362648ff36f5050a32
SHA1

3c7559077170be28f204722fced4508626cca3ec
SHA256

168f29f10d9d5bace166fe82fe0ae1d63e4de0658bc21e606e615e34f4555ab2
SHA512

df169a20551cc5e30a0b258b96641486a9404d49f8f397177a6f37738430ab8cca8b8a245a5572a7cca69d2a6bb87afeb0edaaf701e025e16837c8ad681beff7
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0R:jDgtfRQUHPw06MoV2nwTBlhm8Z

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

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 2700 wrote to memory of 2604	2700	rundll32.exe	30
PID 2700 wrote to memory of 2604	2700	rundll32.exe	30
PID 2700 wrote to memory of 2604	2700	rundll32.exe	30
PID 2700 wrote to memory of 2604	2700	rundll32.exe	30
PID 2700 wrote to memory of 2604	2700	rundll32.exe	30
PID 2700 wrote to memory of 2604	2700	rundll32.exe	30
PID 2700 wrote to memory of 2604	2700	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\168f29f10d9d5bace166fe82fe0ae1d63e4de0658bc21e606e615e34f4555ab2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\168f29f10d9d5bace166fe82fe0ae1d63e4de0658bc21e606e615e34f4555ab2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2604

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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