yunsip | b04cbfc9aa32b54e232837b5e3b110885a59350b9967573dd311e58abc9f90c5

Analysis

max time kernel
117s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2024 12:18

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General

Target

b04cbfc9aa32b54e232837b5e3b110885a59350b9967573dd311e58abc9f90c5N.dll
Size

550KB
MD5

1c50d27bf46c8ae217bde009706cdb20
SHA1

29f29a9738371d863f0c2b37e577a09e61740ba2
SHA256

b04cbfc9aa32b54e232837b5e3b110885a59350b9967573dd311e58abc9f90c5
SHA512

7a1437f520d62bb15efc9d64081b30f358ec1c525efd34d28402d81eaf02a89646e6e3ea360c16ea62db25fbcf7b53e353847be56ddcd68e9661bc696e28bebb
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY2:o6RI1Fo/wT3cJYYYYYYYYYYYY2

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 2968 wrote to memory of 3508	2968	rundll32.exe	83
PID 2968 wrote to memory of 3508	2968	rundll32.exe	83
PID 2968 wrote to memory of 3508	2968	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b04cbfc9aa32b54e232837b5e3b110885a59350b9967573dd311e58abc9f90c5N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b04cbfc9aa32b54e232837b5e3b110885a59350b9967573dd311e58abc9f90c5N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3508

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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