yunsip | a3baea7173f25ac2135280a3d7d647970c1d21be9901efdcbf3fda1f005c32d3

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 20:18

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General

Target

24e48e75c74069f85cb6844f9ce8b404_JaffaCakes118.dll
Size

353KB
MD5

24e48e75c74069f85cb6844f9ce8b404
SHA1

648f2afc03eace0813d498c153422c31b3e49229
SHA256

a3baea7173f25ac2135280a3d7d647970c1d21be9901efdcbf3fda1f005c32d3
SHA512

474ef2d61eae33fdd122951b4052e331a05f62859bc58174a11af1c04f5eec032d6dadc4f1e7951daf151e585f1ffb1e32c374dbf66706756da608e2db6702ef
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0N:jDgtfRQUHPw06MoV2nwTBlhm8l

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

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 7 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 1416	580	rundll32.exe	31
PID 580 wrote to memory of 1416	580	rundll32.exe	31
PID 580 wrote to memory of 1416	580	rundll32.exe	31
PID 580 wrote to memory of 1416	580	rundll32.exe	31
PID 580 wrote to memory of 1416	580	rundll32.exe	31
PID 580 wrote to memory of 1416	580	rundll32.exe	31
PID 580 wrote to memory of 1416	580	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24e48e75c74069f85cb6844f9ce8b404_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\24e48e75c74069f85cb6844f9ce8b404_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1416

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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