yunsip | f1ff32545d04ee594f95ba91b585c811d93624a6ba4a75acdd14e2060b88e096

Analysis

max time kernel
93s
max time network
147s
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 23:11

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General

Target

JaffaCakes118_68cb7284e7cbcadcb8c9573f42f70330.dll
Size

544KB
MD5

68cb7284e7cbcadcb8c9573f42f70330
SHA1

da89faab986eb958b115de487180fb18e5d1c214
SHA256

f1ff32545d04ee594f95ba91b585c811d93624a6ba4a75acdd14e2060b88e096
SHA512

3172143cf46869f8c91240f2c9dbd7c0bb1a983fdef6ea8afa4e05ac01b95adbcaeb707087559f3289ed9f7170cdd56a5258bb24f48c98c5285d71dc8989e94c
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0d:jDgtfRQUHPw06MoV2nwTBlhm8V

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 1616 wrote to memory of 2928	1616	rundll32.exe	83
PID 1616 wrote to memory of 2928	1616	rundll32.exe	83
PID 1616 wrote to memory of 2928	1616	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68cb7284e7cbcadcb8c9573f42f70330.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68cb7284e7cbcadcb8c9573f42f70330.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2928

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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