yunsip | 6e4daabab9c2a9bdfa16324fd7a8f6945e57c7dc31b33e90817fad5bc983c6d7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-10-2024 22:54

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General

Target

6e4daabab9c2a9bdfa16324fd7a8f6945e57c7dc31b33e90817fad5bc983c6d7N.dll
Size

800KB
MD5

965b54611f023d8d24e7d42205db3ff0
SHA1

3c5296ea7c055c0e14d613c06e49a7cac7e76f3d
SHA256

6e4daabab9c2a9bdfa16324fd7a8f6945e57c7dc31b33e90817fad5bc983c6d7
SHA512

4df6cfa202af4bd6cae2ccb7d0ef16a10c67e85b8b2828fcfd86ae03af346e5138cb6a0f663fa44a50b313b959b8f03c78b0fce398d58c42c32c883a24e0e7af
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0J:jDgtfRQUHPw06MoV2nwTBlhm8h

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 2984 wrote to memory of 2992	2984	rundll32.exe	30
PID 2984 wrote to memory of 2992	2984	rundll32.exe	30
PID 2984 wrote to memory of 2992	2984	rundll32.exe	30
PID 2984 wrote to memory of 2992	2984	rundll32.exe	30
PID 2984 wrote to memory of 2992	2984	rundll32.exe	30
PID 2984 wrote to memory of 2992	2984	rundll32.exe	30
PID 2984 wrote to memory of 2992	2984	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6e4daabab9c2a9bdfa16324fd7a8f6945e57c7dc31b33e90817fad5bc983c6d7N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6e4daabab9c2a9bdfa16324fd7a8f6945e57c7dc31b33e90817fad5bc983c6d7N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2992

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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