yunsip | 34c87cd5440425f461158ff0303406865d0cc31e9ad8c20e136f2ac75a6e247a

Analysis

max time kernel
92s
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
21-01-2025 08:30

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General

Target

JaffaCakes118_034dcf3eae831d7b6ff47a015533c05f.dll
Size

239KB
MD5

034dcf3eae831d7b6ff47a015533c05f
SHA1

f43620ee0419f85de4587a13321f40c2120128f0
SHA256

34c87cd5440425f461158ff0303406865d0cc31e9ad8c20e136f2ac75a6e247a
SHA512

9df6af13c3d44fa9413543dcc22dd969ec3164f040265a6278161628f7f140d9968c0e059040c702e43600b9d9830b2a8875da230510e640d6850485aafd035c
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0j:jDgtfRQUHPw06MoV2nwTBlhm87

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 5068 wrote to memory of 1440	5068	rundll32.exe	84
PID 5068 wrote to memory of 1440	5068	rundll32.exe	84
PID 5068 wrote to memory of 1440	5068	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_034dcf3eae831d7b6ff47a015533c05f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_034dcf3eae831d7b6ff47a015533c05f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1440

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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