yunsip | aa6322296af21edd8c225207b14f598941179b598cd9d0d3daf73259da67b629

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 07:15

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General

Target

ab73206390db0b395d31b1ea2be388d7_JaffaCakes118.dll
Size

251KB
MD5

ab73206390db0b395d31b1ea2be388d7
SHA1

608a6c2da37e2e61967bf2dd9551b8a26f93393f
SHA256

aa6322296af21edd8c225207b14f598941179b598cd9d0d3daf73259da67b629
SHA512

840b06e009f9e1521ec4bc9e2aaefab50532b0366b21587aa5a129b9ac86b6ed7b9a2cabf3794cd7446922d003975226b7d5dc81f55441988b562bc56eb2c997
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0l:jDgtfRQUHPw06MoV2nwTBlhm8d

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 2304 wrote to memory of 2492	2304	rundll32.exe	30
PID 2304 wrote to memory of 2492	2304	rundll32.exe	30
PID 2304 wrote to memory of 2492	2304	rundll32.exe	30
PID 2304 wrote to memory of 2492	2304	rundll32.exe	30
PID 2304 wrote to memory of 2492	2304	rundll32.exe	30
PID 2304 wrote to memory of 2492	2304	rundll32.exe	30
PID 2304 wrote to memory of 2492	2304	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab73206390db0b395d31b1ea2be388d7_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab73206390db0b395d31b1ea2be388d7_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2492

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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