yunsip | 03befcdb8d94be58b48692779bf7465b3111a4602bbaaf3bf02963b52eae10ff

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2024 01:11

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General

Target

03befcdb8d94be58b48692779bf7465b3111a4602bbaaf3bf02963b52eae10ff.dll
Size

185KB
MD5

365108df170fffeafec6b0a4b468f4ca
SHA1

e671672af5b64c796ca9fc35bd261691409b28b0
SHA256

03befcdb8d94be58b48692779bf7465b3111a4602bbaaf3bf02963b52eae10ff
SHA512

a5e67cafded9223408add223580310967778600533550cfec2334857721b827608e01f3ab71c311bf9c1a50cdefcae119dc4fa74de48a195ac60003b1e7ebde3
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0L:jDgtfRQUHPw06MoV2nwTBlhm8z

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 3 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 2964	1184	rundll32.exe	84
PID 1184 wrote to memory of 2964	1184	rundll32.exe	84
PID 1184 wrote to memory of 2964	1184	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03befcdb8d94be58b48692779bf7465b3111a4602bbaaf3bf02963b52eae10ff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\03befcdb8d94be58b48692779bf7465b3111a4602bbaaf3bf02963b52eae10ff.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2964

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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