yunsip | dd9847e7e554cda02b13eb0811d32a1163a0bf66ada814488c78986250d3481c

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 14:16

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General

Target

3a769ad2b87bb6aaaee677d38c8e644e_JaffaCakes118.dll
Size

364KB
MD5

3a769ad2b87bb6aaaee677d38c8e644e
SHA1

0081f830e7f2bf2e88f0ef1e0af18e2c4e083806
SHA256

dd9847e7e554cda02b13eb0811d32a1163a0bf66ada814488c78986250d3481c
SHA512

49aae9cb2bc78175beea7418c132bc1c6217b7826b963106ad47f8c6afa69bcf5d5e2aec88a53eece50b1bfe449f3aa220187a7df85a7a798b65b521b6c2f9e6
SSDEEP

3072:oDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0X:oDgtfRQUHPw06MoV2nwTBlhm8P

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 2684 wrote to memory of 2364	2684	rundll32.exe	30
PID 2684 wrote to memory of 2364	2684	rundll32.exe	30
PID 2684 wrote to memory of 2364	2684	rundll32.exe	30
PID 2684 wrote to memory of 2364	2684	rundll32.exe	30
PID 2684 wrote to memory of 2364	2684	rundll32.exe	30
PID 2684 wrote to memory of 2364	2684	rundll32.exe	30
PID 2684 wrote to memory of 2364	2684	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a769ad2b87bb6aaaee677d38c8e644e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a769ad2b87bb6aaaee677d38c8e644e_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2364

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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