yunsip | f23b610f7b1f3ff78f5cbc74f18810affb42885aee2fe595676716fc5544aeb3

Analysis

max time kernel
94s
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
03-01-2025 00:40

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General

Target

JaffaCakes118_69303232c54d8f33da5f5a1d3bb8bbd0.dll
Size

594KB
MD5

69303232c54d8f33da5f5a1d3bb8bbd0
SHA1

b8f0ea33878560c85177dd023e17b973e65e67c0
SHA256

f23b610f7b1f3ff78f5cbc74f18810affb42885aee2fe595676716fc5544aeb3
SHA512

bc8da88433f830d8331466fde6011bedaab5cff3fbb1631e77d0a172561c57dad4822edc6976345f15cd0f50c0958abcfa98fbdbb684ca8a9cb41a278f281506
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q07: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 3 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 2784	4176	rundll32.exe	83
PID 4176 wrote to memory of 2784	4176	rundll32.exe	83
PID 4176 wrote to memory of 2784	4176	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69303232c54d8f33da5f5a1d3bb8bbd0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69303232c54d8f33da5f5a1d3bb8bbd0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2784

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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