yunsip | 290a9efc4fdd998fd8e30fe0c001f44c2aa698efea9f643ea63bca6eff8a5e4f

Analysis

max time kernel
29s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 13:13

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General

Target

290a9efc4fdd998fd8e30fe0c001f44c2aa698efea9f643ea63bca6eff8a5e4fN.dll
Size

353KB
MD5

9b6d2a2a3033be2c1e87fd39d35450c0
SHA1

091b44fc760055448b2e07247644a17692e1f62d
SHA256

290a9efc4fdd998fd8e30fe0c001f44c2aa698efea9f643ea63bca6eff8a5e4f
SHA512

68bcde0b6e9e4deb4e0fe351373e05d4c69bfec301f9d90c96e338f236ba9613c54abb55192d8a8c20af46ebc099fd052c51c68f07a0caa33cff02a8ca24aec2
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Y:jDgtfRQUHPw06MoV2nwTBlhm8A

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 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28
PID 1044 wrote to memory of 2280	1044	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\290a9efc4fdd998fd8e30fe0c001f44c2aa698efea9f643ea63bca6eff8a5e4fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\290a9efc4fdd998fd8e30fe0c001f44c2aa698efea9f643ea63bca6eff8a5e4fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2280

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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