yunsip | e7b6ed0d261ec8aea4bcf38eb873cf81f996005b1845ae23003034dad20babd9

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 22:42

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General

Target

10c702e83bc0fbd335ecb6d35fceadfe_JaffaCakes118.dll
Size

323KB
MD5

10c702e83bc0fbd335ecb6d35fceadfe
SHA1

384ced47bff39e072ba1cd084d9965c6872fcd11
SHA256

e7b6ed0d261ec8aea4bcf38eb873cf81f996005b1845ae23003034dad20babd9
SHA512

65e7365844b52a78189850f0f5a070fa880b6a91c54e9d2630dd7e0aece05f0e84ec67f2ccb2731c6bf3f0bbaadb42d0a291ec72b8f23f186383934302b3dc7f
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0B:jDgtfRQUHPw06MoV2nwTBlhm8J

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 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30
PID 2424 wrote to memory of 1448	2424	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\10c702e83bc0fbd335ecb6d35fceadfe_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\10c702e83bc0fbd335ecb6d35fceadfe_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1448

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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