yunsip | 4dc6a51cf227bc36e036f26a6805f55b27d8ec7eb2513eaf8736176b55bfb111

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 21:48

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General

Target

4dc6a51cf227bc36e036f26a6805f55b27d8ec7eb2513eaf8736176b55bfb111.dll
Size

791KB
MD5

e14e0e71d222d52cba0ee7fec6aad777
SHA1

0ddb5c388c8401c13fdd6f5f93c3d09d4cf67bfc
SHA256

4dc6a51cf227bc36e036f26a6805f55b27d8ec7eb2513eaf8736176b55bfb111
SHA512

5a0c73d42f68c7e665c0f1d544234a15ffa5cc93111b8d3013abec399bb7e357b7dd1955f71750129715d0552e5af3df5defb212018212c31c65ee1ec0801893
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0B: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 2584 wrote to memory of 2056	2584	rundll32.exe	30
PID 2584 wrote to memory of 2056	2584	rundll32.exe	30
PID 2584 wrote to memory of 2056	2584	rundll32.exe	30
PID 2584 wrote to memory of 2056	2584	rundll32.exe	30
PID 2584 wrote to memory of 2056	2584	rundll32.exe	30
PID 2584 wrote to memory of 2056	2584	rundll32.exe	30
PID 2584 wrote to memory of 2056	2584	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dc6a51cf227bc36e036f26a6805f55b27d8ec7eb2513eaf8736176b55bfb111.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dc6a51cf227bc36e036f26a6805f55b27d8ec7eb2513eaf8736176b55bfb111.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2056

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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