Malware Analysis Report

2024-10-10 08:31

Sample ID 240620-y1ppnawbmd
Target Venus_Tool.rar
SHA256 58be5988b695cac73ceb09a2626505f57774c5120c35566f8524fd5c317f8cbb
Tags
blankgrabber upx execution evasion trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

58be5988b695cac73ceb09a2626505f57774c5120c35566f8524fd5c317f8cbb

Threat Level: Known bad

The file Venus_Tool.rar was found to be: Known bad.

Malicious Activity Summary

blankgrabber upx execution evasion trojan

Blankgrabber family

A stealer written in Python and packaged with Pyinstaller

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Command and Scripting Interpreter: PowerShell

Checks BIOS information in registry

Loads dropped DLL

UPX packed file

Checks whether UAC is enabled

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 20:15

Signatures

A stealer written in Python and packaged with Pyinstaller

Description Indicator Process Target
N/A N/A N/A N/A

Blankgrabber family

blankgrabber

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 20:15

Reported

2024-06-20 20:18

Platform

win7-20240611-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe

"C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe"

C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe

"C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\_MEI22082\python310.dll

MD5 b93eda8cc111a5bde906505224b717c3
SHA1 5f1ae1ab1a3c4c023ea8138d4b09cbc1cd8e8f9e
SHA256 efa27cd726dbf3bf2448476a993dc0d5ffb0264032bf83a72295ab3fc5bcd983
SHA512 b20195930967b4dc9f60c15d9ceae4d577b00095f07bd93aa4f292b94a2e5601d605659e95d5168c1c2d85dc87a54d27775f8f20ebcacf56904e4aa30f1affba

memory/1668-23-0x000007FEF6030000-0x000007FEF6495000-memory.dmp

memory/1668-24-0x000007FEF6030000-0x000007FEF6495000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 20:15

Reported

2024-06-20 20:18

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe"

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

UPX packed file

upx
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Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe

"C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe"

C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe

"C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe'"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & "%ProgramFiles%\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Venus Tool\Venus Tool.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp
US 8.8.8.8:53 gstatic.com udp

Files

C:\Users\Admin\AppData\Local\Temp\_MEI18562\python310.dll

MD5 b93eda8cc111a5bde906505224b717c3
SHA1 5f1ae1ab1a3c4c023ea8138d4b09cbc1cd8e8f9e
SHA256 efa27cd726dbf3bf2448476a993dc0d5ffb0264032bf83a72295ab3fc5bcd983
SHA512 b20195930967b4dc9f60c15d9ceae4d577b00095f07bd93aa4f292b94a2e5601d605659e95d5168c1c2d85dc87a54d27775f8f20ebcacf56904e4aa30f1affba

C:\Users\Admin\AppData\Local\Temp\_MEI18562\VCRUNTIME140.dll

MD5 f34eb034aa4a9735218686590cba2e8b
SHA1 2bc20acdcb201676b77a66fa7ec6b53fa2644713
SHA256 9d2b40f0395cc5d1b4d5ea17b84970c29971d448c37104676db577586d4ad1b1
SHA512 d27d5e65e8206bd7923cf2a3c4384fec0fc59e8bc29e25f8c03d039f3741c01d1a8c82979d7b88c10b209db31fbbec23909e976b3ee593dc33481f0050a445af

memory/3612-25-0x00007FFE5C380000-0x00007FFE5C7E5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI18562\libffi-7.dll

MD5 6f818913fafe8e4df7fedc46131f201f
SHA1 bbb7ba3edbd4783f7f973d97b0b568cc69cadac5
SHA256 3f94ee4f23f6c7702ab0cc12995a6457bf22183fa828c30cc12288adf153ae56
SHA512 5473fe57dc40af44edb4f8a7efd68c512784649d51b2045d570c7e49399990285b59cfa6bcd25ef1316e0a073ea2a89fe46be3bfc33f05e3333037a1fd3a6639

C:\Users\Admin\AppData\Local\Temp\_MEI18562\_ssl.pyd

MD5 a65b98bf0f0a1b3ffd65e30a83e40da0
SHA1 9545240266d5ce21c7ed7b632960008b3828f758
SHA256 44214a85d06628eb3209980c0f2b31740ab8c6eb402f804816d0dae1ec379949
SHA512 0f70c2722722eb04b0b996bbaf7129955e38425794551c4832baec8844cde9177695d4045c0872a8fb472648c62c9bd502c9240facca9fb469f5cbacbe3ca505

C:\Users\Admin\AppData\Local\Temp\_MEI18562\_sqlite3.pyd

MD5 e5111e0cb03c73c0252718a48c7c68e4
SHA1 39a494eefecb00793b13f269615a2afd2cdfb648
SHA256 c9d4f10e47e45a23df9eb4ebb4c4f3c5153e7977dc2b92a1f142b8ccdb0bb26b
SHA512 cc0a00c552b98b6b80ffa4cd7cd20600e0e368fb71e816f3665e19c28ba9239fb9107f7303289c8db7de5208aaef8cd2159890996c69925176e6a04b6becc9b1

C:\Users\Admin\AppData\Local\Temp\_MEI18562\_socket.pyd

MD5 1f7e5e111207bc4439799ebf115e09ed
SHA1 e8b643f19135c121e77774ef064c14a3a529dca3
SHA256 179ebbe9fd241f89df31d881d9f76358d82cedee1a8fb40215c630f94eb37c04
SHA512 7f8a767b3e17920acfaafd4a7ed19b22862d8df5bdf4b50e0d53dfbf32e9f2a08f5cde97acecb8abf8f10fbbedb46c1d3a0b9eb168d11766246afe9e23ada6fd

C:\Users\Admin\AppData\Local\Temp\_MEI18562\_queue.pyd

MD5 7b9f914d6c0b80c891ff7d5c031598d9
SHA1 ef9015302a668d59ca9eb6ebc106d82f65d6775c
SHA256 7f80508edff0896596993bf38589da38d95bc35fb286f81df361b5bf8c682cae
SHA512 d24c2ff50649fe604b09830fd079a6ad488699bb3c44ea7acb6da3f441172793e6a38a1953524f5570572bd2cf050f5fee71362a82c33f9bb9381ac4bb412d68

C:\Users\Admin\AppData\Local\Temp\_MEI18562\_lzma.pyd

MD5 215acc93e63fb03742911f785f8de71a
SHA1 d4e3b46db5d4fcdd4f6b6874b060b32a4b676bf9
SHA256 ffdbe11c55010d33867317c0dc2d1bd69f8c07bda0ea0d3841b54d4a04328f63
SHA512 9223a33e8235c566d280a169f52c819a83c3e6fa1f4b8127dde6d4a1b7e940df824ccaf8c0000eac089091fde6ae89f0322fe62e47328f07ea92c7705ace4a72

C:\Users\Admin\AppData\Local\Temp\_MEI18562\_hashlib.pyd

MD5 8ba5202e2f3fb1274747aa2ae7c3f7bf
SHA1 8d7dba77a6413338ef84f0c4ddf929b727342c16
SHA256 0541a0028619ab827f961a994667f9a8f1a48c8b315f071242a69d1bd6aeab8b
SHA512 d19322a1aba0da1aa68e24315cdbb10d63a5e3021b364b14974407dc3d25cd23df4ff1875b12339fd4613e0f3da9e5a78f1a0e54ffd8360ed764af20c3ecbb49

C:\Users\Admin\AppData\Local\Temp\_MEI18562\_decimal.pyd

MD5 604154d16e9a3020b9ad3b6312f5479c
SHA1 27c874b052d5e7f4182a4ead6b0486e3d0faf4da
SHA256 3c7585e75fa1e8604d8c408f77995b30f90c54a0f2ff5021e14fa7f84e093fb6
SHA512 37ce86fd8165fc51ebe568d7ce4b5ea8c1598114558d9f74a748a07dc62a1cc5d50fe1448dde6496ea13e45631e231221c15a64cebbb18fa96e2f71c61be0db4

C:\Users\Admin\AppData\Local\Temp\_MEI18562\_bz2.pyd

MD5 c24b301f99a05305ac06c35f7f50307f
SHA1 0cee6de0ea38a4c8c02bf92644db17e8faa7093b
SHA256 c665f60b1663544facf9a026f5a87c8445558d7794baff56e42e65671d5adc24
SHA512 936d16fea3569a32a9941d58263e951623f4927a853c01ee187364df95cd246b3826e7b8423ac3c265965ee8e491275e908ac9e2d63f3abc5f721add8e20f699

C:\Users\Admin\AppData\Local\Temp\_MEI18562\unicodedata.pyd

MD5 2218b2730b625b1aeee6a67095c101a4
SHA1 aa7f032b9c8b40e5ecf2a0f59fa5ae3f48eff90a
SHA256 5e9add4dd806c2de4d694b9bb038a6716badb7d5f912884d80d593592bcdb8ca
SHA512 77aa10ae645c0ba24e31dcab4726d8fb7aa3cb9708c7c85499e7d82ce46609d43e5dc74da7cd32c170c7ddf50c8db8945baf3452421316c4a46888d745de8da0

C:\Users\Admin\AppData\Local\Temp\_MEI18562\sqlite3.dll

MD5 59ed17799f42cc17d63a20341b93b6f6
SHA1 5f8b7d6202b597e72f8b49f4c33135e35ac76cd1
SHA256 852b38bd2d05dd9f000e540d3f5e4962e64597eb864a68aa8bb28ce7008e91f1
SHA512 3424ad59fd71c68e0af716b7b94c4224b2abfb11b7613f2e565f5d82f630e89c2798e732376a3a0e1266d8d58730b2f76c4e23efe03c47a48cbf5f0fc165d333

memory/3612-60-0x00007FFE5C200000-0x00007FFE5C371000-memory.dmp

memory/3612-66-0x00007FFE6BBB0000-0x00007FFE6BBDE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI18562\libcrypto-1_1.dll

MD5 3cc020baceac3b73366002445731705a
SHA1 6d332ab68dca5c4094ed2ee3c91f8503d9522ac1
SHA256 d1aa265861d23a9b76f16906940d30f3a65c5d0597107ecb3d2e6d470b401bb8
SHA512 1d9b46d0331ed5b95dda8734abe3c0bd6f7fb1ec9a3269feab618d661a1644a0dc3bf8ac91778d5e45406d185965898fe87abd3261a6f7f2968c43515a48562c

memory/3612-68-0x00007FFE6B9D0000-0x00007FFE6BA87000-memory.dmp

memory/3612-80-0x00007FFE5B9F0000-0x00007FFE5BB08000-memory.dmp

memory/1272-81-0x00007FFE5AE73000-0x00007FFE5AE75000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tshhnkkn.lfj.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1272-88-0x00000279CF890000-0x00000279CF8B2000-memory.dmp

memory/3612-78-0x00007FFE6BBA0000-0x00007FFE6BBAD000-memory.dmp

memory/3612-77-0x00007FFE6C3D0000-0x00007FFE6C3F4000-memory.dmp

memory/3612-75-0x00007FFE6B5F0000-0x00007FFE6B605000-memory.dmp

memory/3612-73-0x0000021B25B20000-0x0000021B25E97000-memory.dmp

memory/3612-72-0x00007FFE5BE80000-0x00007FFE5C1F7000-memory.dmp

memory/3612-71-0x00007FFE5C380000-0x00007FFE5C7E5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI18562\libssl-1_1.dll

MD5 7f77a090cb42609f2efc55ddc1ee8fd5
SHA1 ef5a128605654350a5bd17232120253194ad4c71
SHA256 47b63a9370289d2544abc5a479bfb27d707ae7db4f3f7b6cc1a8c8f57fd0cf1f
SHA512 a8a06a1303e76c76d1f06b689e163ba80c1a8137adac80fab0d5c1c6072a69d506e0360d8b44315ef1d88cbd0c9ac95c94d001fad5bc40727f1070734bbbbe63

memory/3612-64-0x00007FFE6F240000-0x00007FFE6F24D000-memory.dmp

memory/3612-63-0x00007FFE6BBE0000-0x00007FFE6BBF9000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI18562\select.pyd

MD5 3cdfdb7d3adf9589910c3dfbe55065c9
SHA1 860ef30a8bc5f28ae9c81706a667f542d527d822
SHA256 92906737eff7ff33b9e2a72d2a86e4bd80a35018c8e40bb79433a8ea8ece3932
SHA512 1fe2c918e9ce524b855d7f38d4c69563f8b8c44291eea1dc98f04e5ebdc39c8f2d658a716429051fb91fed0b912520929a0b980c4f5b4ecb3de1c4eb83749a45

memory/3612-58-0x00007FFE6BC00000-0x00007FFE6BC1E000-memory.dmp

memory/3612-57-0x00007FFE6BCB0000-0x00007FFE6BCC8000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 6d3e9c29fe44e90aae6ed30ccf799ca8
SHA1 c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA256 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA512 60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

memory/3612-54-0x00007FFE6BCD0000-0x00007FFE6BCFC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI18562\rarreg.key

MD5 4531984cad7dacf24c086830068c4abe
SHA1 fa7c8c46677af01a83cf652ef30ba39b2aae14c3
SHA256 58209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211
SHA512 00056f471945d838ef2ce56d51c32967879fe54fcbf93a237ed85a98e27c5c8d2a39bc815b41c15caace2071edd0239d775a31d1794dc4dba49e7ecff1555122

C:\Users\Admin\AppData\Local\Temp\_MEI18562\rar.exe

MD5 9c223575ae5b9544bc3d69ac6364f75e
SHA1 8a1cb5ee02c742e937febc57609ac312247ba386
SHA256 90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213
SHA512 57663e2c07b56024aaae07515ee3a56b2f5068ebb2f2dc42be95d1224376c2458da21c965aab6ae54de780cb874c2fc9de83d9089abf4536de0f50faca582d09

C:\Users\Admin\AppData\Local\Temp\_MEI18562\blank.aes

MD5 83ce103a1e0e84eb545a94dd80a7ec16
SHA1 89ed974cf867f0810613762c61c564fa8260d628
SHA256 168ff1a53646194c21934065bbab85baa8a3776fff515ffc7079143ab4480a82
SHA512 0c599b0b33f4eaed37235e1bd676e2775b7be7bc96b0a43becd3c0028e3e0e27f88bfb7421c8446f5ded937a73df5e45e8298ecca02c6ad7e6bdcdcc3e5ac047

memory/3612-32-0x00007FFE6F250000-0x00007FFE6F25F000-memory.dmp

memory/3612-31-0x00007FFE6C3D0000-0x00007FFE6C3F4000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI18562\_ctypes.pyd

MD5 5c0bda19c6bc2d6d8081b16b2834134e
SHA1 41370acd9cc21165dd1d4aa064588d597a84ebbe
SHA256 5e7192c18ad73daa71efade0149fbcaf734c280a6ee346525ea5d9729036194e
SHA512 b1b45fcbb1e39cb6ba7ac5f6828ee9c54767eabeedca35a79e7ba49fd17ad20588964f28d06a2dcf8b0446e90f1db41d3fca97d1a9612f6cc5eb816bd9dcdf8a

C:\Users\Admin\AppData\Local\Temp\_MEI18562\base_library.zip

MD5 2596a6ef43f0193762f175e9385b64fd
SHA1 44130f192ff8ecad73bc75624c438eea0d1be4f8
SHA256 8f9cf30fec7b81cd1f1ad8562943fd8a9321df1cfa4d96778dfaf534372bf21b
SHA512 284c71e7d704843b8bef3425d2a2864d61a2e1aa20ca4a964c2c147d0a08ee1862af063298ba88162082f3cbd1406b37fe7c72135f6a7eda7979ff9515003d29

memory/3612-106-0x00007FFE6BC00000-0x00007FFE6BC1E000-memory.dmp

memory/3612-107-0x00007FFE6BBE0000-0x00007FFE6BBF9000-memory.dmp

memory/3612-118-0x00007FFE6B9D0000-0x00007FFE6BA87000-memory.dmp

memory/3612-123-0x00007FFE6BBB0000-0x00007FFE6BBDE000-memory.dmp

memory/3612-122-0x00007FFE5B9F0000-0x00007FFE5BB08000-memory.dmp

memory/3612-119-0x00007FFE5BE80000-0x00007FFE5C1F7000-memory.dmp

memory/3612-108-0x00007FFE5C380000-0x00007FFE5C7E5000-memory.dmp

memory/3612-109-0x00007FFE6C3D0000-0x00007FFE6C3F4000-memory.dmp

memory/3612-124-0x0000021B25B20000-0x0000021B25E97000-memory.dmp

memory/3612-125-0x00007FFE5C380000-0x00007FFE5C7E5000-memory.dmp

memory/3612-140-0x00007FFE5C380000-0x00007FFE5C7E5000-memory.dmp

memory/3612-155-0x00007FFE5C380000-0x00007FFE5C7E5000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-20 20:15

Reported

2024-06-20 20:18

Platform

win7-20240221-en

Max time kernel

140s

Max time network

124s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Venus Tool\crack.dll",#1

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Windows\system32\rundll32.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Windows\system32\rundll32.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Windows\system32\rundll32.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\system32\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1836 wrote to memory of 2552 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1836 wrote to memory of 2552 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 1836 wrote to memory of 2552 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Venus Tool\crack.dll",#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1836 -s 116

Network

N/A

Files

memory/1836-0-0x0000000072EE0000-0x00000000738BF000-memory.dmp

memory/1836-2-0x0000000072EE0000-0x00000000738BF000-memory.dmp

memory/1836-5-0x0000000072EE0000-0x00000000738BF000-memory.dmp

memory/1836-6-0x0000000072EE0000-0x00000000738BF000-memory.dmp

memory/1836-4-0x0000000072EE0000-0x00000000738BF000-memory.dmp

memory/1836-3-0x0000000072EE0000-0x00000000738BF000-memory.dmp

memory/1836-1-0x0000000072EE0000-0x00000000738BF000-memory.dmp

memory/1836-7-0x0000000072EE0000-0x00000000738BF000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-20 20:15

Reported

2024-06-20 20:18

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Venus Tool\crack.dll",#1

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Windows\system32\rundll32.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Windows\system32\rundll32.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Windows\system32\rundll32.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Venus Tool\crack.dll",#1

Network

Files

memory/4808-3-0x0000000069050000-0x0000000069A2F000-memory.dmp

memory/4808-4-0x0000000069050000-0x0000000069A2F000-memory.dmp

memory/4808-2-0x0000000069050000-0x0000000069A2F000-memory.dmp

memory/4808-0-0x0000000069050000-0x0000000069A2F000-memory.dmp

memory/4808-1-0x0000000069050000-0x0000000069A2F000-memory.dmp

memory/4808-5-0x0000000069050000-0x0000000069A2F000-memory.dmp

memory/4808-6-0x0000000069050000-0x0000000069A2F000-memory.dmp

memory/4808-7-0x0000000069050000-0x0000000069A2F000-memory.dmp