yunsip | b47d857d1fe0b1e6bac668d48d94ac3f3275e8383611cfddf22aaa9ced61fc2c

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
27-09-2024 19:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b47d857d1fe0b1e6bac668d48d94ac3f3275e8383611cfddf22aaa9ced61fc2cN.dll
Size

768KB
MD5

6f89ee0707a66ffed611a07afde5e390
SHA1

39afc2aa73ba1ec1d695c7a0771b0b5392864518
SHA256

b47d857d1fe0b1e6bac668d48d94ac3f3275e8383611cfddf22aaa9ced61fc2c
SHA512

b83be5fd9e5dddb0f2dcc63c51aa46c2f28ba8f8b036b50b3faa55808906fd6599a993e465f61fcf8ffcf40487dc86463912dfa70a860ef058806204e5c0973b
SSDEEP

12288:o6RI1Fo/wT3cJYYYYYYYYYYYYmF/RMp86F/RMp8i:oKYT3cQ/uF/u3

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 2544 wrote to memory of 2484	2544	rundll32.exe	31
PID 2544 wrote to memory of 2484	2544	rundll32.exe	31
PID 2544 wrote to memory of 2484	2544	rundll32.exe	31
PID 2544 wrote to memory of 2484	2544	rundll32.exe	31
PID 2544 wrote to memory of 2484	2544	rundll32.exe	31
PID 2544 wrote to memory of 2484	2544	rundll32.exe	31
PID 2544 wrote to memory of 2484	2544	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b47d857d1fe0b1e6bac668d48d94ac3f3275e8383611cfddf22aaa9ced61fc2cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b47d857d1fe0b1e6bac668d48d94ac3f3275e8383611cfddf22aaa9ced61fc2cN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2484

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

Replay Monitor

Loading Replay Monitor...

Downloads