yunsip | f8b9763b4f13303236f17aea69cec9d9155bd4da0fa133f1864cf33049a77a2f

Analysis

max time kernel
103s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
28-07-2024 05:23

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General

Target

57bde21f32448b9daebef1bac295b510N.dll
Size

484KB
MD5

57bde21f32448b9daebef1bac295b510
SHA1

1f21a077557b682d8c5225ca2a9ff3d82d30d0a5
SHA256

f8b9763b4f13303236f17aea69cec9d9155bd4da0fa133f1864cf33049a77a2f
SHA512

116013347d8dbb0e47712f7114a3684418008746b0bb3874f6b14c95927e92fbe03ac6694f46e916c1dbe457c4938969a8cff418ee6f7c872643c56f7b692265
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0W:jDgtfRQUHPw06MoV2nwTBlhm8O

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 3 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 5020	5056	rundll32.exe	84
PID 5056 wrote to memory of 5020	5056	rundll32.exe	84
PID 5056 wrote to memory of 5020	5056	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57bde21f32448b9daebef1bac295b510N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\57bde21f32448b9daebef1bac295b510N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5020

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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