yunsip | f9f4173476445be2477c1da7afacf24c246d6e9eddaa719a05b0f5fcb19e0c76

Analysis

max time kernel
93s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 10:31

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General

Target

JaffaCakes118_646e6e642b6b0d585f4effa5518b60db.dll
Size

330KB
MD5

646e6e642b6b0d585f4effa5518b60db
SHA1

c6ab908ef380c86ba6298f1102d719c4e1f09f6f
SHA256

f9f4173476445be2477c1da7afacf24c246d6e9eddaa719a05b0f5fcb19e0c76
SHA512

d0a6db56bc59b25bf4c1ad2e93154e403c44e377454f80fb1880ff8fab241d5d6315a4b9aa806c7a9376ef98966f6afb64b5bf4e0b638be241aacfff8248309f
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0s:jDgtfRQUHPw06MoV2nwTBlhm80

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 2272 wrote to memory of 1668	2272	rundll32.exe	83
PID 2272 wrote to memory of 1668	2272	rundll32.exe	83
PID 2272 wrote to memory of 1668	2272	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_646e6e642b6b0d585f4effa5518b60db.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_646e6e642b6b0d585f4effa5518b60db.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1668

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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