Analysis
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max time kernel
144s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
20/03/2024, 02:27
Static task
static1
Behavioral task
behavioral1
Sample
8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe
Resource
win10v2004-20240319-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
General
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Target
8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe
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Size
558KB
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MD5
eef80ad0744688be6c6029e7793dcf91
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SHA1
35c0251531d08a060807c429e0833b5d48099a9d
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SHA256
8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b
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SHA512
ed28dbb5861aa55f64a0ff08851df3419275c780bc215a5821d08a49c5f1ccc16b0d7ba635f9394b467a48caef841101254dc8982bd0b28b0a3bdcc661bc870c
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SSDEEP
12288:EMwrhdMp7SyAHZ5lEhugESlldjfmj/IiZY4CqXr6pSD8gZLI:EMwr0p7STUE6+jdm9qb/8gZI
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.myhydropowered.com - Port:
587 - Username:
[email protected] - Password:
yV0cOwpBjCCXLvN - 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. 3 IoCs
resource yara_rule behavioral1/memory/2976-696-0x0000000000490000-0x00000000014F2000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2976-697-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2976-700-0x00000000397F0000-0x0000000039830000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs
resource yara_rule behavioral1/memory/2976-696-0x0000000000490000-0x00000000014F2000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2976-697-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2976-700-0x00000000397F0000-0x0000000039830000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 3 IoCs
resource yara_rule behavioral1/memory/2976-696-0x0000000000490000-0x00000000014F2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2976-697-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2976-700-0x00000000397F0000-0x0000000039830000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 3 IoCs
resource yara_rule behavioral1/memory/2976-696-0x0000000000490000-0x00000000014F2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2976-697-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2976-700-0x00000000397F0000-0x0000000039830000-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 3 IoCs
resource yara_rule behavioral1/memory/2976-696-0x0000000000490000-0x00000000014F2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2976-697-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2976-700-0x00000000397F0000-0x0000000039830000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs
resource yara_rule behavioral1/memory/2976-696-0x0000000000490000-0x00000000014F2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2976-697-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2976-700-0x00000000397F0000-0x0000000039830000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs
resource yara_rule behavioral1/memory/2976-696-0x0000000000490000-0x00000000014F2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2976-697-0x0000000000490000-0x00000000004D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2976-700-0x00000000397F0000-0x0000000039830000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Loads dropped DLL 1 IoCs
pid Process 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.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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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Startup key = "C:\\Users\\Admin\\AppData\\Roaming\\subfolder1\\Pseudodiphtheric.exe" 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\FTSKIaM = "C:\\Users\\Admin\\AppData\\Roaming\\FTSKIaM\\FTSKIaM.exe" 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 3 drive.google.com 5 drive.google.com -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 12 ip-api.com 10 api.ipify.org 11 api.ipify.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2976 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe 2976 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2220 set thread context of 2976 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2976 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe 2976 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2976 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2220 wrote to memory of 2976 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe 28 PID 2220 wrote to memory of 2976 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe 28 PID 2220 wrote to memory of 2976 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe 28 PID 2220 wrote to memory of 2976 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe 28 PID 2220 wrote to memory of 2976 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe 28 PID 2220 wrote to memory of 2976 2220 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe"C:\Users\Admin\AppData\Local\Temp\8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Users\Admin\AppData\Local\Temp\8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe"C:\Users\Admin\AppData\Local\Temp\8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2976
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
45B
MD5811d42c01c99104b9aa28ce5d62bba94
SHA17f1b242107a1f5c0b0eae0d0c9170c3172480709
SHA25677af8a34e0ab4168d3698d00a2565eba8670f8c5571d8f0cfe0197d7813dd0bb
SHA5127757bcff4dcc1b88cf3913f5357b03a82a222c095d5aba9397d6c3e9799bdc44894aff8e06ee628b13a573089aa81c121d7edf995844f29ae7274a01aebd00c0
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Filesize
94B
MD5bdc7d6f49004866c661f77f1d75692c5
SHA132247c5bb3bad4756e45c9005c252b652cb661ba
SHA256bbffe742896b673b636357a7e7c1fa12ca82dd638a5a685d21642de2d11963eb
SHA5121f5280c9f9ca933a827afd0f3c182655a118f76017cd6f474ffcfebc95ba04f92a2ad6175abf1751573caa209722f6cad2d203b363861fe2700e33845c88c1bf
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Filesize
112B
MD54cb3baa83d6a3f766b0e34725206f0ca
SHA17e24615a503008f5059ece99fa1523d9792c0ca3
SHA256e76f65ecf335bd259ee0f0781e6b9510d4485102a8e08b4e715fb907e98a6076
SHA5123c002ceaf9758cf5abd797afe6ebbd693b407444d261e32701bc531872a77607f213eabfb2a457b04667021c0073830cbed61423f8e44c7c5f0273b2f3d4e8d5
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Filesize
105B
MD538c6f7822cd89991db6fccc5b04b96c9
SHA1cec31a690a8d9395d59946690f7528ce5f5e0114
SHA2562eba686a57cb8d9b9633c14fdb01b45f88dda41e4c1b5ad9e04c76342d028146
SHA512a6cb93d984fe69f4f4a2bda9001dac25897e6127ccb848762999a9eb8d18d69fbda7308eb1e8d32f9b9e94678b874dcede10066980a56333d8a2d19a5a7a0db8
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Filesize
106B
MD5d3399b20b2e5f5fd474078147ad9f5aa
SHA1b9950e5b677296f86bdae37a33caf2f35a50c261
SHA256a0c475d863f50ab69ea8c3bfa8a0509cbfb3b052f46e4679d8349b1926b4402b
SHA5122f2d4ec12dd4ab065ff884a0ca3efd94cd2f4e93a70f4cb8b1d39aa2fe384a8e604250b38b17d9d61f5db98924d00e5589603e0d1d9d9d53160e22368384c519
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Filesize
12KB
MD56e55a6e7c3fdbd244042eb15cb1ec739
SHA1070ea80e2192abc42f358d47b276990b5fa285a9
SHA256acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
SHA5122d504b74da38edc967e3859733a2a9cacd885db82f0ca69bfb66872e882707314c54238344d45945dc98bae85772aceef71a741787922d640627d3c8ae8f1c35