yunsip | 91ebd384f334010cc1dccd9db4a97c859f75045a6c37f7bd69e932ed6a4568b8

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 21:32

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General

Target

91ebd384f334010cc1dccd9db4a97c859f75045a6c37f7bd69e932ed6a4568b8.dll
Size

1.1MB
MD5

98bf6c0d0d902bac8bd362d953db283a
SHA1

ab2b32be969a6b4ef23c4fe1880546eba77e13b8
SHA256

91ebd384f334010cc1dccd9db4a97c859f75045a6c37f7bd69e932ed6a4568b8
SHA512

72c07ff0d475327b71764330f65f4af97999b854e0b4a5d67b62d18aa3fdb22251e330caf85a6504a7cd5d1e35eb460282dcfc4882b4e8b4c53c22a4f51d58f0
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0o:jDgtfRQUHPw06MoV2nwTBlhm8Q

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 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30
PID 2344 wrote to memory of 1304	2344	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\91ebd384f334010cc1dccd9db4a97c859f75045a6c37f7bd69e932ed6a4568b8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\91ebd384f334010cc1dccd9db4a97c859f75045a6c37f7bd69e932ed6a4568b8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1304

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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