yunsip | ea68d73867361ac96eec2924ef117605c8ab2569816cf3bdb71bf2718de1dd61

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 08:42

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General

Target

5817c117042b344525e86cba96310090N.dll
Size

695KB
MD5

5817c117042b344525e86cba96310090
SHA1

e702640de13cc3d8281715ba3c40a6759f696bbb
SHA256

ea68d73867361ac96eec2924ef117605c8ab2569816cf3bdb71bf2718de1dd61
SHA512

787e0899d78b75f50ab920cee3ccc1b25c030e9eb1cee197e6092169f3ad1786f46ea6ad58bf013a95cdebdd22dcd3b32738f7adc94bfc40768580de2abbf330
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYH:o6RI1Fo/wT3cJYYYYYYYYYYYYH

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 2352 wrote to memory of 484	2352	rundll32.exe	31
PID 2352 wrote to memory of 484	2352	rundll32.exe	31
PID 2352 wrote to memory of 484	2352	rundll32.exe	31
PID 2352 wrote to memory of 484	2352	rundll32.exe	31
PID 2352 wrote to memory of 484	2352	rundll32.exe	31
PID 2352 wrote to memory of 484	2352	rundll32.exe	31
PID 2352 wrote to memory of 484	2352	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5817c117042b344525e86cba96310090N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5817c117042b344525e86cba96310090N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:484

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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