yunsip | 3350599a61b51a209b452afd3ea23a3cc6663f6992f120f91ed94594e01b6bcf

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
23-11-2024 21:06

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General

Target

3350599a61b51a209b452afd3ea23a3cc6663f6992f120f91ed94594e01b6bcf.dll
Size

986KB
MD5

59aae6b34f2fb9ad12c2c06de591b157
SHA1

2c87f41bcd4a0c79864554804e32491c936badb6
SHA256

3350599a61b51a209b452afd3ea23a3cc6663f6992f120f91ed94594e01b6bcf
SHA512

2fca798858adf9bf181e53eb7105e7f503f8f10eb5922b823c4c7199b327ebd235bb82a8358fd8885a7c319fbdef5306f1934e1210d7638592c584eab34517f1
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q07:jDgtfRQUHPw06MoV2nwTBlhm8T

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 2700 wrote to memory of 2188	2700	rundll32.exe	30
PID 2700 wrote to memory of 2188	2700	rundll32.exe	30
PID 2700 wrote to memory of 2188	2700	rundll32.exe	30
PID 2700 wrote to memory of 2188	2700	rundll32.exe	30
PID 2700 wrote to memory of 2188	2700	rundll32.exe	30
PID 2700 wrote to memory of 2188	2700	rundll32.exe	30
PID 2700 wrote to memory of 2188	2700	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3350599a61b51a209b452afd3ea23a3cc6663f6992f120f91ed94594e01b6bcf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3350599a61b51a209b452afd3ea23a3cc6663f6992f120f91ed94594e01b6bcf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2188

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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