yunsip | 707f649f214db12ff4ddc7d49d948b0c4d76618df44a3c8922c58c68283bc465

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 19:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

707f649f214db12ff4ddc7d49d948b0c4d76618df44a3c8922c58c68283bc465.dll
Size

523KB
MD5

70933b4be2632237ae985a44750104bc
SHA1

04ee46dc9a99e1347f16b6906d91297feea61630
SHA256

707f649f214db12ff4ddc7d49d948b0c4d76618df44a3c8922c58c68283bc465
SHA512

5a5117ae6fed257a20af6d2f6b06d078e33fe684043288e6c52669eaec2e115a19d60290d787897f2c7183682788a16a78d129dafd4bbddd570dd00bdfb25c05
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0X:jDgtfRQUHPw06MoV2nwTBlhm8/

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
Yunsip family
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 2524 wrote to memory of 2528	2524	rundll32.exe	30
PID 2524 wrote to memory of 2528	2524	rundll32.exe	30
PID 2524 wrote to memory of 2528	2524	rundll32.exe	30
PID 2524 wrote to memory of 2528	2524	rundll32.exe	30
PID 2524 wrote to memory of 2528	2524	rundll32.exe	30
PID 2524 wrote to memory of 2528	2524	rundll32.exe	30
PID 2524 wrote to memory of 2528	2524	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\707f649f214db12ff4ddc7d49d948b0c4d76618df44a3c8922c58c68283bc465.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\707f649f214db12ff4ddc7d49d948b0c4d76618df44a3c8922c58c68283bc465.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528

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

Replay Monitor

Loading Replay Monitor...

Downloads