Analysis
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max time kernel
115s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 02:32
Static task
static1
Behavioral task
behavioral1
Sample
b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe
Resource
win10v2004-20240226-en
General
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Target
b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe
-
Size
618KB
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MD5
adc47f20cba61f1a2f8171791a455d09
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SHA1
62508fbdde7bfb78e927495bb96d78ceb832a1ae
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SHA256
b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b
-
SHA512
49ee25101729fe1d351d6b96861be96c0fe273ecc3c3378fc42848ef1d46f6e6128982b695de7a8639b1529791c541f4ad2077c93c11155dc0d5ebbe63e8414c
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SSDEEP
12288:4JMa5WyV/cXi7Cc8oZJfLyXrCt9vFjMRL9fPzDYUE8P8ITjEQ:4OS/kJoMIFCRhfgq8+j7
Malware Config
Extracted
Protocol: smtp- Host:
mail.y-pt.com - Port:
587 - Username:
maxwell@y-pt.com - Password:
LILKOOLL14!
Extracted
agenttesla
Protocol: smtp- Host:
mail.y-pt.com - Port:
587 - Username:
maxwell@y-pt.com - Password:
LILKOOLL14! - Email To:
richibigi6@gmail.com
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/3160-10-0x0000000000400000-0x0000000000442000-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/3160-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3160-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables packed with SmartAssembly 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2932-7-0x0000000005310000-0x000000000531C000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3160-10-0x0000000000400000-0x0000000000442000-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/3160-10-0x0000000000400000-0x0000000000442000-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/3160-10-0x0000000000400000-0x0000000000442000-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/3160-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 18 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exedescription pid process target process PID 2932 set thread context of 3160 2932 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exepid process 3160 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe 3160 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe 3160 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exedescription pid process Token: SeDebugPrivilege 3160 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exedescription pid process target process PID 2932 wrote to memory of 3160 2932 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe PID 2932 wrote to memory of 3160 2932 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe PID 2932 wrote to memory of 3160 2932 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe PID 2932 wrote to memory of 3160 2932 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe PID 2932 wrote to memory of 3160 2932 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe PID 2932 wrote to memory of 3160 2932 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe PID 2932 wrote to memory of 3160 2932 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe PID 2932 wrote to memory of 3160 2932 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe"C:\Users\Admin\AppData\Local\Temp\b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe"C:\Users\Admin\AppData\Local\Temp\b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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=4080 --field-trial-handle=2228,i,521073434451423547,2311651514500527526,262144 --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\b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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memory/2932-8-0x0000000005F90000-0x0000000006014000-memory.dmpFilesize
528KB
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memory/2932-3-0x0000000005260000-0x00000000052F2000-memory.dmpFilesize
584KB
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memory/2932-9-0x0000000008540000-0x00000000085DC000-memory.dmpFilesize
624KB
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memory/2932-0-0x00000000753A0000-0x0000000075B50000-memory.dmpFilesize
7.7MB
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memory/2932-5-0x0000000005300000-0x000000000530A000-memory.dmpFilesize
40KB
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memory/2932-6-0x0000000005250000-0x0000000005262000-memory.dmpFilesize
72KB
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memory/2932-7-0x0000000005310000-0x000000000531C000-memory.dmpFilesize
48KB
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memory/2932-1-0x00000000007D0000-0x0000000000870000-memory.dmpFilesize
640KB
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memory/2932-15-0x00000000753A0000-0x0000000075B50000-memory.dmpFilesize
7.7MB
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memory/2932-2-0x00000000058E0000-0x0000000005E84000-memory.dmpFilesize
5.6MB
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memory/2932-4-0x0000000005430000-0x0000000005440000-memory.dmpFilesize
64KB
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memory/3160-13-0x00000000753A0000-0x0000000075B50000-memory.dmpFilesize
7.7MB
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memory/3160-14-0x0000000002AF0000-0x0000000002B00000-memory.dmpFilesize
64KB
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memory/3160-19-0x0000000002AF0000-0x0000000002B00000-memory.dmpFilesize
64KB
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memory/3160-16-0x00000000053D0000-0x0000000005436000-memory.dmpFilesize
408KB
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memory/3160-17-0x0000000006900000-0x0000000006950000-memory.dmpFilesize
320KB
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memory/3160-18-0x00000000753A0000-0x0000000075B50000-memory.dmpFilesize
7.7MB
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memory/3160-10-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB