yunsip | 3d62e7092367e5ec0e7aa880d12ca71c2e38870372f756172223f2b855ff3405

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 13:11

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General

Target

34f986bcfcb5ac9de8b1f7b8f6732130_JaffaCakes118.dll
Size

678KB
MD5

34f986bcfcb5ac9de8b1f7b8f6732130
SHA1

06a8f45c3a4f9a1463f97869fc31afd4d7adbf5c
SHA256

3d62e7092367e5ec0e7aa880d12ca71c2e38870372f756172223f2b855ff3405
SHA512

7f3842005b564bcf81aca78cbc51a4459e9e291b1bcbfce2079e7f84cc40af773e30ac344fc8a592278a13ddcb5dc36fdedd5a0ce34a90af9feef1c591c109fe
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0k:jDgtfRQUHPw06MoV2nwTBlhm8s

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 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\34f986bcfcb5ac9de8b1f7b8f6732130_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\34f986bcfcb5ac9de8b1f7b8f6732130_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2428

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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