yunsip | f62b855402a06410cb8e14b56b6009b2a3192855d86d4683c3202acd5665fa70

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 03:57

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General

Target

f62b855402a06410cb8e14b56b6009b2a3192855d86d4683c3202acd5665fa70.dll
Size

1.0MB
MD5

5a7e2963f65dc2f3645bb891397780f0
SHA1

18d70bea5e333440a0d470ce2219996eb622f834
SHA256

f62b855402a06410cb8e14b56b6009b2a3192855d86d4683c3202acd5665fa70
SHA512

c6f0c2e8726e4273a79637cfd4ed2bc551b7bb65dc19fe779fdb438f6f28b9da2d23f4f58d1fe7bf4bbcd48d993dfaba19e97af24d40157c92af9eb1151f039a
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0I:jDgtfRQUHPw06MoV2nwTBlhm8g

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 2344 wrote to memory of 1568	2344	rundll32.exe	30
PID 2344 wrote to memory of 1568	2344	rundll32.exe	30
PID 2344 wrote to memory of 1568	2344	rundll32.exe	30
PID 2344 wrote to memory of 1568	2344	rundll32.exe	30
PID 2344 wrote to memory of 1568	2344	rundll32.exe	30
PID 2344 wrote to memory of 1568	2344	rundll32.exe	30
PID 2344 wrote to memory of 1568	2344	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f62b855402a06410cb8e14b56b6009b2a3192855d86d4683c3202acd5665fa70.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f62b855402a06410cb8e14b56b6009b2a3192855d86d4683c3202acd5665fa70.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1568

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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