yunsip | 15b43fb1a5ef9c33c1088b0846ee4459bbf5d940dc2c70c332960833891824b6

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 13:29

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General

Target

15b43fb1a5ef9c33c1088b0846ee4459bbf5d940dc2c70c332960833891824b6N.dll
Size

729KB
MD5

fab2f5fb59076a466f80aa43bb47ef40
SHA1

d4ca1217deda9937c129241b0cf2f56749054ec2
SHA256

15b43fb1a5ef9c33c1088b0846ee4459bbf5d940dc2c70c332960833891824b6
SHA512

5964e84ff51f6f403c8530a372267f22c131b6e3cf0a5db14b996faa734a8e5ee1c7ff35ba9221aef31539c46e3a35a3c005c9e19c84815eef7494ec879f4466
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0U:jDgtfRQUHPw06MoV2nwTBlhm8c

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 3 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2864	2064	rundll32.exe	83
PID 2064 wrote to memory of 2864	2064	rundll32.exe	83
PID 2064 wrote to memory of 2864	2064	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15b43fb1a5ef9c33c1088b0846ee4459bbf5d940dc2c70c332960833891824b6N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\15b43fb1a5ef9c33c1088b0846ee4459bbf5d940dc2c70c332960833891824b6N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2864

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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