yunsip | b1249e833c97121fd81f3c79356fe257f1f11eab604fea8e33e7a71a54bd860d

Analysis

max time kernel
101s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2024 09:06

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General

Target

b1249e833c97121fd81f3c79356fe257f1f11eab604fea8e33e7a71a54bd860dN.dll
Size

789KB
MD5

cdacd1d8dc83dbbc989c9b98375aa4c0
SHA1

c656e3cfaf206f6e3602435fa8d52a8ba3d2149b
SHA256

b1249e833c97121fd81f3c79356fe257f1f11eab604fea8e33e7a71a54bd860d
SHA512

3cfbfddaa9899632843be1524446ffa104cf16c838a63d5b990ad9986c949364643fa245da6f848f485cf1d0f43932063dc29b673c86d881d6f3bddddc991f27
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0R:jDgtfRQUHPw06MoV2nwTBlhm8p

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 3616 wrote to memory of 2228	3616	rundll32.exe	84
PID 3616 wrote to memory of 2228	3616	rundll32.exe	84
PID 3616 wrote to memory of 2228	3616	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1249e833c97121fd81f3c79356fe257f1f11eab604fea8e33e7a71a54bd860dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1249e833c97121fd81f3c79356fe257f1f11eab604fea8e33e7a71a54bd860dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228

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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