yunsip | d9ce103dceffd2b03814c905d184db6fa46c2e086711358d98e092175d3a17ce

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 16:02

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General

Target

d9ce103dceffd2b03814c905d184db6fa46c2e086711358d98e092175d3a17ceN.dll
Size

318KB
MD5

457298d51140426ee30027d5d1a97530
SHA1

0ff914e07a097b96086eceb75c7ab0a36546d3c8
SHA256

d9ce103dceffd2b03814c905d184db6fa46c2e086711358d98e092175d3a17ce
SHA512

4b9b5500e0907510db930bbb361986a929a5a969244d2fe3bc1f6746c8ddbba95958780b93eb1ae2ba7450aac12b49e273b2b230376e3222fa1b8f5080ae4d9f
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0H:jDgtfRQUHPw06MoV2nwTBlhm8P

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 2368 wrote to memory of 2552	2368	rundll32.exe	30
PID 2368 wrote to memory of 2552	2368	rundll32.exe	30
PID 2368 wrote to memory of 2552	2368	rundll32.exe	30
PID 2368 wrote to memory of 2552	2368	rundll32.exe	30
PID 2368 wrote to memory of 2552	2368	rundll32.exe	30
PID 2368 wrote to memory of 2552	2368	rundll32.exe	30
PID 2368 wrote to memory of 2552	2368	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9ce103dceffd2b03814c905d184db6fa46c2e086711358d98e092175d3a17ceN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9ce103dceffd2b03814c905d184db6fa46c2e086711358d98e092175d3a17ceN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2552

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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