Analysis
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max time kernel
147s -
max time network
152s -
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 02:25
Static task
static1
Behavioral task
behavioral1
Sample
83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe
Resource
win10v2004-20240226-en
General
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Target
83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe
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Size
656KB
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MD5
9949c58a8b33cbe0bcda599f0375f658
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SHA1
3072f9c9d5f62ab5e8375cb51b6ce796977322dc
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SHA256
83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1
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SHA512
18949f9fc8092c04b4389b00109ea8d08ddb607d631e29902c9c92798950397453ff123f268f50d52732f6492ac7e22ca8a75091f70f2d1c9503f6e573308c1d
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SSDEEP
12288:8H2iNlw0gPsV/68UditxkCOtzigHgYiJO/wwvJyMyXzN5tfd:C1XCcZttqCOtvHxiAVJy/nt
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot7073576997:AAHjVtyF2bgE69UMVGiHWA3fZk0LIdp1j_Y/
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/1556-12-0x0000000000400000-0x0000000000440000-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/1556-12-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables packed with SmartAssembly 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2992-8-0x0000000005000000-0x000000000500C000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1556-12-0x0000000000400000-0x0000000000440000-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/1556-12-0x0000000000400000-0x0000000000440000-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/1556-12-0x0000000000400000-0x0000000000440000-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/1556-12-0x0000000000400000-0x0000000000440000-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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 40 api.ipify.org 41 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exedescription pid process target process PID 2992 set thread context of 1556 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exepid process 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 1556 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 1556 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exedescription pid process Token: SeDebugPrivilege 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe Token: SeDebugPrivilege 1556 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exedescription pid process target process PID 2992 wrote to memory of 1556 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe PID 2992 wrote to memory of 1556 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe PID 2992 wrote to memory of 1556 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe PID 2992 wrote to memory of 1556 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe PID 2992 wrote to memory of 1556 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe PID 2992 wrote to memory of 1556 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe PID 2992 wrote to memory of 1556 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe PID 2992 wrote to memory of 1556 2992 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe 83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe"C:\Users\Admin\AppData\Local\Temp\83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe"C:\Users\Admin\AppData\Local\Temp\83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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\83b34f0f0a0bdbc115ce0d7e44687ce16c35249650c9d242a646a5ed804fa2f1.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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memory/1556-12-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/1556-21-0x00000000057A0000-0x00000000057B0000-memory.dmpFilesize
64KB
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memory/1556-20-0x0000000074970000-0x0000000075120000-memory.dmpFilesize
7.7MB
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memory/1556-19-0x0000000006FA0000-0x0000000006FF0000-memory.dmpFilesize
320KB
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memory/1556-18-0x00000000057B0000-0x0000000005816000-memory.dmpFilesize
408KB
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memory/1556-17-0x00000000057A0000-0x00000000057B0000-memory.dmpFilesize
64KB
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memory/1556-16-0x0000000074970000-0x0000000075120000-memory.dmpFilesize
7.7MB
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memory/2992-10-0x0000000074970000-0x0000000075120000-memory.dmpFilesize
7.7MB
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memory/2992-9-0x00000000062C0000-0x0000000006342000-memory.dmpFilesize
520KB
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memory/2992-0-0x0000000000250000-0x00000000002F8000-memory.dmpFilesize
672KB
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memory/2992-11-0x0000000004F60000-0x0000000004F70000-memory.dmpFilesize
64KB
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memory/2992-8-0x0000000005000000-0x000000000500C000-memory.dmpFilesize
48KB
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memory/2992-7-0x0000000004FE0000-0x0000000004FF2000-memory.dmpFilesize
72KB
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memory/2992-6-0x0000000005010000-0x00000000050AC000-memory.dmpFilesize
624KB
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memory/2992-15-0x0000000074970000-0x0000000075120000-memory.dmpFilesize
7.7MB
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memory/2992-5-0x0000000004DA0000-0x0000000004DAA000-memory.dmpFilesize
40KB
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memory/2992-4-0x0000000004F60000-0x0000000004F70000-memory.dmpFilesize
64KB
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memory/2992-3-0x0000000004CE0000-0x0000000004D72000-memory.dmpFilesize
584KB
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memory/2992-2-0x00000000051F0000-0x0000000005794000-memory.dmpFilesize
5.6MB
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memory/2992-1-0x0000000074970000-0x0000000075120000-memory.dmpFilesize
7.7MB