Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 01:16
Static task
static1
Behavioral task
behavioral1
Sample
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
Resource
win10v2004-20240508-en
General
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Target
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
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Size
1.1MB
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MD5
cdb9b4f4ed7d8dccb32ce06504e602ac
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SHA1
2457d885e21e903b9429b83269e7a0256556a835
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SHA256
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872
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SHA512
1a2c2c81197563b0ecf6f98517ba255262f37d53eebde1ef98acda7e1da1bcd1ba1bd7560a75a27e0cfb8bf51ada31bc1c939a93df3d45bdcd0c3ee9070f92ff
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SSDEEP
24576:7ZDbNjDaC9cAUzgNnDVU6dQ9Xcdrx3jtW:7HjDZWAnhU6dzda
Malware Config
Extracted
Protocol: smtp- Host:
mail.medicalhome.com.pe - Port:
587 - Username:
[email protected] - Password:
MHinfo01
Extracted
agenttesla
Protocol: smtp- Host:
mail.medicalhome.com.pe - Port:
587 - Username:
[email protected] - Password:
MHinfo01 - 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/2068-10-0x0000000000400000-0x0000000000476000-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/2068-10-0x0000000000400000-0x0000000000476000-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/2068-10-0x0000000000400000-0x0000000000476000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2068-10-0x0000000000400000-0x0000000000476000-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/2068-10-0x0000000000400000-0x0000000000476000-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/2068-10-0x0000000000400000-0x0000000000476000-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/2068-10-0x0000000000400000-0x0000000000476000-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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GrOcCQC = "C:\\Users\\Admin\\AppData\\Roaming\\GrOcCQC\\GrOcCQC.exe" 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe -
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 21 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exedescription pid process target process PID 4464 set thread context of 2068 4464 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exepid process 2068 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 2068 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exedescription pid process Token: SeDebugPrivilege 2068 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exedescription pid process target process PID 4464 wrote to memory of 2068 4464 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe PID 4464 wrote to memory of 2068 4464 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe PID 4464 wrote to memory of 2068 4464 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe PID 4464 wrote to memory of 2068 4464 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe PID 4464 wrote to memory of 2068 4464 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe PID 4464 wrote to memory of 2068 4464 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe PID 4464 wrote to memory of 2068 4464 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe PID 4464 wrote to memory of 2068 4464 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe 527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe"C:\Users\Admin\AppData\Local\Temp\527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Users\Admin\AppData\Local\Temp\527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe"C:\Users\Admin\AppData\Local\Temp\527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\527d855013361c51f69a24bdc87218d9a74965cb07fbd5ae778625b1d5fb5872.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3