Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05-02-2023 07:10
Static task
static1
Behavioral task
behavioral1
Sample
5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
Resource
win10v2004-20220812-en
General
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Target
5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
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Size
3.6MB
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MD5
36fd273ea7607d3a203f257f4e2649ed
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SHA1
5e243f79ecb539d0d1f75fce7ddfedeccee70a48
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SHA256
471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747
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SHA512
cf81163bc6d1f1141130fbe70944387b97d322afe837ad21a88a0be8f9fd87615bd7022cc572b1783871cc99f224258bae75855e805c733793b723ba0483597d
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SSDEEP
98304:VQF9SqUKUehGS26Ish7MUTjA+1VFnqWXvqaY4:VSSzMGS26x1MUTM+/Fh
Malware Config
Extracted
aurora
45.9.74.11:8081
Signatures
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Detect PureCrypter injector 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1464-66-0x00000000064C0000-0x0000000006860000-memory.dmp family_purecrypter -
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Executes dropped EXE 3 IoCs
Processes:
voiceadequovl.exevoiceadequovl.exevoiceadequovl.exepid process 872 voiceadequovl.exe 1464 voiceadequovl.exe 596 voiceadequovl.exe -
Loads dropped DLL 4 IoCs
Processes:
voiceadequovl.exepid process 872 voiceadequovl.exe 872 voiceadequovl.exe 872 voiceadequovl.exe 872 voiceadequovl.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
voiceadequovl.exedescription pid process target process PID 1464 set thread context of 596 1464 voiceadequovl.exe voiceadequovl.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepowershell.exepid process 1088 powershell.exe 1588 powershell.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
voiceadequovl.exepowershell.exepowershell.exewmic.exeWMIC.exedescription pid process Token: SeDebugPrivilege 1464 voiceadequovl.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeIncreaseQuotaPrivilege 1072 wmic.exe Token: SeSecurityPrivilege 1072 wmic.exe Token: SeTakeOwnershipPrivilege 1072 wmic.exe Token: SeLoadDriverPrivilege 1072 wmic.exe Token: SeSystemProfilePrivilege 1072 wmic.exe Token: SeSystemtimePrivilege 1072 wmic.exe Token: SeProfSingleProcessPrivilege 1072 wmic.exe Token: SeIncBasePriorityPrivilege 1072 wmic.exe Token: SeCreatePagefilePrivilege 1072 wmic.exe Token: SeBackupPrivilege 1072 wmic.exe Token: SeRestorePrivilege 1072 wmic.exe Token: SeShutdownPrivilege 1072 wmic.exe Token: SeDebugPrivilege 1072 wmic.exe Token: SeSystemEnvironmentPrivilege 1072 wmic.exe Token: SeRemoteShutdownPrivilege 1072 wmic.exe Token: SeUndockPrivilege 1072 wmic.exe Token: SeManageVolumePrivilege 1072 wmic.exe Token: 33 1072 wmic.exe Token: 34 1072 wmic.exe Token: 35 1072 wmic.exe Token: SeIncreaseQuotaPrivilege 1072 wmic.exe Token: SeSecurityPrivilege 1072 wmic.exe Token: SeTakeOwnershipPrivilege 1072 wmic.exe Token: SeLoadDriverPrivilege 1072 wmic.exe Token: SeSystemProfilePrivilege 1072 wmic.exe Token: SeSystemtimePrivilege 1072 wmic.exe Token: SeProfSingleProcessPrivilege 1072 wmic.exe Token: SeIncBasePriorityPrivilege 1072 wmic.exe Token: SeCreatePagefilePrivilege 1072 wmic.exe Token: SeBackupPrivilege 1072 wmic.exe Token: SeRestorePrivilege 1072 wmic.exe Token: SeShutdownPrivilege 1072 wmic.exe Token: SeDebugPrivilege 1072 wmic.exe Token: SeSystemEnvironmentPrivilege 1072 wmic.exe Token: SeRemoteShutdownPrivilege 1072 wmic.exe Token: SeUndockPrivilege 1072 wmic.exe Token: SeManageVolumePrivilege 1072 wmic.exe Token: 33 1072 wmic.exe Token: 34 1072 wmic.exe Token: 35 1072 wmic.exe Token: SeIncreaseQuotaPrivilege 1152 WMIC.exe Token: SeSecurityPrivilege 1152 WMIC.exe Token: SeTakeOwnershipPrivilege 1152 WMIC.exe Token: SeLoadDriverPrivilege 1152 WMIC.exe Token: SeSystemProfilePrivilege 1152 WMIC.exe Token: SeSystemtimePrivilege 1152 WMIC.exe Token: SeProfSingleProcessPrivilege 1152 WMIC.exe Token: SeIncBasePriorityPrivilege 1152 WMIC.exe Token: SeCreatePagefilePrivilege 1152 WMIC.exe Token: SeBackupPrivilege 1152 WMIC.exe Token: SeRestorePrivilege 1152 WMIC.exe Token: SeShutdownPrivilege 1152 WMIC.exe Token: SeDebugPrivilege 1152 WMIC.exe Token: SeSystemEnvironmentPrivilege 1152 WMIC.exe Token: SeRemoteShutdownPrivilege 1152 WMIC.exe Token: SeUndockPrivilege 1152 WMIC.exe Token: SeManageVolumePrivilege 1152 WMIC.exe Token: 33 1152 WMIC.exe Token: 34 1152 WMIC.exe Token: 35 1152 WMIC.exe Token: SeIncreaseQuotaPrivilege 1152 WMIC.exe -
Suspicious use of WriteProcessMemory 52 IoCs
Processes:
5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exevoiceadequovl.exevoiceadequovl.execmd.exevoiceadequovl.execmd.execmd.exedescription pid process target process PID 108 wrote to memory of 872 108 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe voiceadequovl.exe PID 108 wrote to memory of 872 108 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe voiceadequovl.exe PID 108 wrote to memory of 872 108 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe voiceadequovl.exe PID 108 wrote to memory of 872 108 5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe voiceadequovl.exe PID 872 wrote to memory of 1464 872 voiceadequovl.exe voiceadequovl.exe PID 872 wrote to memory of 1464 872 voiceadequovl.exe voiceadequovl.exe PID 872 wrote to memory of 1464 872 voiceadequovl.exe voiceadequovl.exe PID 872 wrote to memory of 1464 872 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 1088 1464 voiceadequovl.exe powershell.exe PID 1464 wrote to memory of 1088 1464 voiceadequovl.exe powershell.exe PID 1464 wrote to memory of 1088 1464 voiceadequovl.exe powershell.exe PID 1464 wrote to memory of 1088 1464 voiceadequovl.exe powershell.exe PID 1464 wrote to memory of 636 1464 voiceadequovl.exe cmd.exe PID 1464 wrote to memory of 636 1464 voiceadequovl.exe cmd.exe PID 1464 wrote to memory of 636 1464 voiceadequovl.exe cmd.exe PID 1464 wrote to memory of 636 1464 voiceadequovl.exe cmd.exe PID 636 wrote to memory of 1588 636 cmd.exe powershell.exe PID 636 wrote to memory of 1588 636 cmd.exe powershell.exe PID 636 wrote to memory of 1588 636 cmd.exe powershell.exe PID 636 wrote to memory of 1588 636 cmd.exe powershell.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 1464 wrote to memory of 596 1464 voiceadequovl.exe voiceadequovl.exe PID 596 wrote to memory of 1072 596 voiceadequovl.exe wmic.exe PID 596 wrote to memory of 1072 596 voiceadequovl.exe wmic.exe PID 596 wrote to memory of 1072 596 voiceadequovl.exe wmic.exe PID 596 wrote to memory of 1072 596 voiceadequovl.exe wmic.exe PID 596 wrote to memory of 1144 596 voiceadequovl.exe cmd.exe PID 596 wrote to memory of 1144 596 voiceadequovl.exe cmd.exe PID 596 wrote to memory of 1144 596 voiceadequovl.exe cmd.exe PID 596 wrote to memory of 1144 596 voiceadequovl.exe cmd.exe PID 1144 wrote to memory of 1152 1144 cmd.exe WMIC.exe PID 1144 wrote to memory of 1152 1144 cmd.exe WMIC.exe PID 1144 wrote to memory of 1152 1144 cmd.exe WMIC.exe PID 1144 wrote to memory of 1152 1144 cmd.exe WMIC.exe PID 596 wrote to memory of 1608 596 voiceadequovl.exe cmd.exe PID 596 wrote to memory of 1608 596 voiceadequovl.exe cmd.exe PID 596 wrote to memory of 1608 596 voiceadequovl.exe cmd.exe PID 596 wrote to memory of 1608 596 voiceadequovl.exe cmd.exe PID 1608 wrote to memory of 1488 1608 cmd.exe WMIC.exe PID 1608 wrote to memory of 1488 1608 cmd.exe WMIC.exe PID 1608 wrote to memory of 1488 1608 cmd.exe WMIC.exe PID 1608 wrote to memory of 1488 1608 cmd.exe WMIC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:108 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:872 -
C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1088
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==4⤵
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1588
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C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exeC:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:596 -
C:\Windows\SysWOW64\Wbem\wmic.exewmic os get Caption5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1072
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C:\Windows\SysWOW64\cmd.execmd /C "wmic path win32_VideoController get name"5⤵
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic path win32_VideoController get name6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1152
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C:\Windows\SysWOW64\cmd.execmd /C "wmic cpu get name"5⤵
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic cpu get name6⤵PID:1488
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
365.5MB
MD5ba50f2bca86ba947a8d2035bb9b35123
SHA1a542b5c5d41174dc2475a219978123b7d14f958f
SHA25617790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5
SHA51208fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379
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Filesize
365.5MB
MD5ba50f2bca86ba947a8d2035bb9b35123
SHA1a542b5c5d41174dc2475a219978123b7d14f958f
SHA25617790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5
SHA51208fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5681d2539f4c9be85853beefd61475dd4
SHA1f298e11e572e940a9bb58454464ac2c5a3b3e2fe
SHA2566032996cd41fb82539c28feb5adc130810bcdce7cf2c50ebed6d7de8f45e978d
SHA51287d7db462aff1fa486f35130bc5ed9cf85bce74d895b40430dad38ab51b67679e6fcfd1db6e284d2cbf0f52143501e448f51469f3f83b411e1126746bb242fb8
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Filesize
285.6MB
MD501b746473d65049c779518f576c75f08
SHA15b680c54ed596848bd6c85901234a8731a865849
SHA256265128433af941447afdcf8caa43de0b869effaed4e3a87e1d93a56a095b320f
SHA512d95eafa8ea989adbe9cd862d592181f7e6a9f6f59b9b87088baf76ff81862d8519e04f2fa53ba122b1fa3bb2891948f75ac70e02c6f4437c1b4116f43960ed64
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Filesize
284.1MB
MD58f95687c7276e0f4f7dc27a5e6fce19f
SHA1305df226954bf1d142838c5e2559188d8328346b
SHA256f67c4fefe26eefb201e4af33685c5adc3115130ca0ca224ebe49b52786f56e1b
SHA512d9400deed7317654ca29d1eef4678967b4734f738e4ca90e22e2c635d935d40d5ba00bbbec7e1f371018decf148d1dfac523de657f12f381abee675246b22810
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Filesize
194.2MB
MD5df3fb8223c2c0c76dd2d0fbe5e4b1b5b
SHA1bc354adb87c57620ce4ffc072ae11ae338578fb7
SHA256ff79f3caf6290ffe86b5a4b06a5a68f7c7f9b713b0b77ab0f21205a939b6009f
SHA512e8b4677b9dfa7a01aa887cc53ae5fef6979fb7699e955caf343b67da2eec5c91d064890830f939ba4b2c478b2db80a6dd5321f9524b58ad81b44d4eb9b59de0c
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Filesize
284.8MB
MD5533377e3843f1f8a04b38687b7ba7448
SHA1d3e42f9e213afe32ffd9f11ecbdc21e8972284d7
SHA256117538702817304fba93536d138d71dafbf95832edd0ec8dbbd3bd5b188de693
SHA51254b0bf8dcd1053421c7fbc8f77d9ec35ff30e820d158ce21cff868203d30d7b0a09273a79a75de77cd7d38880fd008bf61865e84f1d7b6801bc759e2fe5ec6b5
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Filesize
287.9MB
MD5e4113d735199d614eaf1ae1e4388bc27
SHA1f2437277bc3780e18a4b43384e768e84e079d3c9
SHA2565e474c08e07491a3cd49b85d4a134580b09921382bdb1336c79b914d3ddbfc33
SHA512d5d45e07a9681e7db1cff4ec300e571a7d5904f6b6bbb3582cf84dbb214f66aedfdb4f20c88774335fd6118a0a79672c43e2ec55f74b97c13a06ad8d9793b7f9
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Filesize
285.3MB
MD59b870c40688e84e3681d1957a5395369
SHA18fda23288329e7cd6a4335e91559ebd0f69e95c7
SHA25605a35661a90c540d691a11ec4ebd45c91d6a790ec839dab064af7571a134e31b
SHA51266826a1e90ea7f2233aa18ed932ae649d32a01e540e3aed42f04929330b461a9a5d9f056ebdff4651d3ed65895153f3c1262a97b48183aa2cb757142154c32d6
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Filesize
285.5MB
MD594348489d185ece8249fedc8ecd0884f
SHA19c12b8f8e29db252de6ecdcbabfbfe594793c93a
SHA25631737ae298a7a3c1d958e843a86f4952e0309342b4fbb55891e816f2ead90ff2
SHA512e5dce2641f4b1fb35e094304f57bd0b3de6b1d47a9dfc115d52218743170732d329f5ba185e1273a290f9e2f25d5f8880f14ed062f68eb75cc5a31e470495fbc