yunsip | 432b36801247f34a38fb10769e7a1a260e377250af7f414c38800637549350c9

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-09-2024 20:54

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General

Target

432b36801247f34a38fb10769e7a1a260e377250af7f414c38800637549350c9.dll
Size

698KB
MD5

cad2f376b6f3039f75ab9f9396ab1f38
SHA1

39786d4f5fb8e23da135d0f5a9918680d26a6686
SHA256

432b36801247f34a38fb10769e7a1a260e377250af7f414c38800637549350c9
SHA512

4683d596451f642164c4af3480086cb54ebd224aa5bf48fc9e486e87ebf27fa37973ddaa756431459db568d5b341e01f10a569418e41911b01ada536d676b850
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYV:o6RI1Fo/wT3cJYYYYYYYYYYYYV

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 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30
PID 3048 wrote to memory of 3044	3048	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\432b36801247f34a38fb10769e7a1a260e377250af7f414c38800637549350c9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\432b36801247f34a38fb10769e7a1a260e377250af7f414c38800637549350c9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3044

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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