yunsip | 2b5eb9d203de69b8c34df0299c445a79b67f3563995eed4d47ed9b437bf9a5b4

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 20:44

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General

Target

2b5eb9d203de69b8c34df0299c445a79b67f3563995eed4d47ed9b437bf9a5b4.dll
Size

714KB
MD5

61bdae90a301fbdd7317263474f4f2dd
SHA1

b91c970515c9e91efe3248cd1b7ed9de2ad4cbee
SHA256

2b5eb9d203de69b8c34df0299c445a79b67f3563995eed4d47ed9b437bf9a5b4
SHA512

19bb85ef4cfd151690cc7100bde37b414c601e72310f1f58c573b861aecd2dbe4690e1e190998b03dcdd44c4ae30474273b94acac4d96cc40812b59b82429f67
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0z:jDgtfRQUHPw06MoV2nwTBlhm8L

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
Yunsip family
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 1908 wrote to memory of 2980	1908	rundll32.exe	30
PID 1908 wrote to memory of 2980	1908	rundll32.exe	30
PID 1908 wrote to memory of 2980	1908	rundll32.exe	30
PID 1908 wrote to memory of 2980	1908	rundll32.exe	30
PID 1908 wrote to memory of 2980	1908	rundll32.exe	30
PID 1908 wrote to memory of 2980	1908	rundll32.exe	30
PID 1908 wrote to memory of 2980	1908	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b5eb9d203de69b8c34df0299c445a79b67f3563995eed4d47ed9b437bf9a5b4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b5eb9d203de69b8c34df0299c445a79b67f3563995eed4d47ed9b437bf9a5b4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2980

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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