yunsip | e2f6c2cb5e16f2d5b8482e004a026be9bf375ce2fb91f4816c4ed104e666d013

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 01:53

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General

Target

fdf8837f40feeb71fae7a1b77f5fa79f_JaffaCakes118.dll
Size

246KB
MD5

fdf8837f40feeb71fae7a1b77f5fa79f
SHA1

0d01d20e5d38ee49edeaf9f3447c753564ec1451
SHA256

e2f6c2cb5e16f2d5b8482e004a026be9bf375ce2fb91f4816c4ed104e666d013
SHA512

29984a9626b458948f7549b574c8769209d18b6e82b9eaeea275455a754c4a3f1868bc66d2fd8ce85153b6db7d40ea6597d7c7b9946cf18738b675e52b78657f
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0h:jDgtfRQUHPw06MoV2nwTBlhm8J

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 1648 wrote to memory of 2416	1648	rundll32.exe	28
PID 1648 wrote to memory of 2416	1648	rundll32.exe	28
PID 1648 wrote to memory of 2416	1648	rundll32.exe	28
PID 1648 wrote to memory of 2416	1648	rundll32.exe	28
PID 1648 wrote to memory of 2416	1648	rundll32.exe	28
PID 1648 wrote to memory of 2416	1648	rundll32.exe	28
PID 1648 wrote to memory of 2416	1648	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdf8837f40feeb71fae7a1b77f5fa79f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdf8837f40feeb71fae7a1b77f5fa79f_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2416

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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