yunsip | e5913938a3d2eca68bbb52a2e997d35a8e6ae58325ad68e4be79b93e639f39de

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 03:26

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General

Target

JaffaCakes118_69f22bd9958d721f61f60a1ebef6fb60.dll
Size

329KB
MD5

69f22bd9958d721f61f60a1ebef6fb60
SHA1

34a8d8b57c8f3e6799ed37d817263c58b65ca3f9
SHA256

e5913938a3d2eca68bbb52a2e997d35a8e6ae58325ad68e4be79b93e639f39de
SHA512

9f6fcdefc76bd15b59f3be8eb028d54b11f1ead17589da9cb59474970169154aab1c72f011a3fe2e9932885e524fdd664ea2c19664732094de391d986b410983
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0s:jDgtfRQUHPw06MoV2nwTBlhm8k

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 676 wrote to memory of 448	676	rundll32.exe	83
PID 676 wrote to memory of 448	676	rundll32.exe	83
PID 676 wrote to memory of 448	676	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69f22bd9958d721f61f60a1ebef6fb60.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69f22bd9958d721f61f60a1ebef6fb60.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:448

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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