yunsip | d8abbbc02496cb5c20ce506cb485e6ab668c652f218f095142d162989caba6a6

Resubmissions

06-01-2025 19:53

250106-yl61dswlbx 10

04-01-2025 19:59

250104-yqtkvsvldv 10

Analysis

max time kernel
93s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 19:59

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General

Target

JaffaCakes118_7b80ad7363ee0a368a08e628ccda91ea.dll
Size

553KB
MD5

7b80ad7363ee0a368a08e628ccda91ea
SHA1

91d13ebd101bf9c0b5f921210090385d926f8c65
SHA256

d8abbbc02496cb5c20ce506cb485e6ab668c652f218f095142d162989caba6a6
SHA512

929c84d8d4dd465607193ddb25037482b0f932773c23026ef92843454c8be9af59becd47accb11ec565f9c59e13b8769c97221e0e5dc812814ea4854ea818701
SSDEEP

3072:oDKpt9sSR0HUHPwZWLnWVfEAzV2INwTBftZmc+z+f3Q0b:oDgtfRQUHPw06MoV2swTBlxm8D

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 2008 wrote to memory of 3240	2008	rundll32.exe	82
PID 2008 wrote to memory of 3240	2008	rundll32.exe	82
PID 2008 wrote to memory of 3240	2008	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b80ad7363ee0a368a08e628ccda91ea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b80ad7363ee0a368a08e628ccda91ea.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3240

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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