Analysis
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max time kernel
121s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
28-03-2024 02:39
Static task
static1
Behavioral task
behavioral1
Sample
d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe
Resource
win10v2004-20240226-en
General
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Target
d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe
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Size
636KB
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MD5
f2d7baa099914c81eab964dc4c5b27ee
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SHA1
0f4d556b793a16403f4351f3baa0ef0ff3e775b9
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SHA256
d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05
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SHA512
403217fa4b47c9e0773e84cfcef5ce333e25319cd33a874174aef84928982c079808f3b1617613322191347824c8a01834283a41c365c38eb7352810d287eee2
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SSDEEP
12288:lGs3/5v2suSKj9YTtx0+vKHOizSMgfLD7DJNqIARzf9+orEa9r/gf+e2v4OMaX4r:swB3nKjOtu+vKHOizZgfLD7DJNqI2DJw
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.flying-fish-cn.com - Port:
587 - Username:
office@flying-fish-cn.com - Password:
hkk999@@@ - Email To:
office@flying-fish-cn.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. 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2680-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2680-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2680-19-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2680-23-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2680-21-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2680-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2680-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2680-19-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2680-23-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2680-21-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables packed with SmartAssembly 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2548-3-0x00000000001F0000-0x0000000000206000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral1/memory/2548-5-0x00000000003B0000-0x00000000003BC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2680-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2680-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2680-19-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2680-23-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2680-21-0x0000000000400000-0x0000000000440000-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 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2680-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2680-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2680-19-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2680-23-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2680-21-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2680-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2680-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2680-19-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2680-23-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2680-21-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2680-13-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2680-15-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2680-19-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2680-23-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2680-21-0x0000000000400000-0x0000000000440000-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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exedescription pid process target process PID 2548 set thread context of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exed9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exepid process 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2680 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe 2680 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exed9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exedescription pid process Token: SeDebugPrivilege 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe Token: SeDebugPrivilege 2680 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exedescription pid process target process PID 2548 wrote to memory of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe PID 2548 wrote to memory of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe PID 2548 wrote to memory of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe PID 2548 wrote to memory of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe PID 2548 wrote to memory of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe PID 2548 wrote to memory of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe PID 2548 wrote to memory of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe PID 2548 wrote to memory of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe PID 2548 wrote to memory of 2680 2548 d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe"C:\Users\Admin\AppData\Local\Temp\d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.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\d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.exe"C:\Users\Admin\AppData\Local\Temp\d9626d89b255a1226c4abe2d59a56f9dd6e720a90461591e0434c0ed2ddd3e05.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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memory/2548-0-0x0000000001080000-0x0000000001124000-memory.dmpFilesize
656KB
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memory/2548-1-0x0000000074B40000-0x000000007522E000-memory.dmpFilesize
6.9MB
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memory/2548-2-0x00000000049A0000-0x00000000049E0000-memory.dmpFilesize
256KB
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memory/2548-3-0x00000000001F0000-0x0000000000206000-memory.dmpFilesize
88KB
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memory/2548-4-0x00000000003A0000-0x00000000003A8000-memory.dmpFilesize
32KB
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memory/2548-5-0x00000000003B0000-0x00000000003BC000-memory.dmpFilesize
48KB
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memory/2548-6-0x0000000005100000-0x0000000005182000-memory.dmpFilesize
520KB
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memory/2548-7-0x0000000074B40000-0x000000007522E000-memory.dmpFilesize
6.9MB
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memory/2548-8-0x00000000049A0000-0x00000000049E0000-memory.dmpFilesize
256KB
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memory/2548-24-0x0000000074B40000-0x000000007522E000-memory.dmpFilesize
6.9MB
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memory/2680-11-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2680-13-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2680-15-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2680-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2680-19-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2680-23-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2680-21-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2680-25-0x0000000074B40000-0x000000007522E000-memory.dmpFilesize
6.9MB
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memory/2680-9-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2680-40-0x0000000074B40000-0x000000007522E000-memory.dmpFilesize
6.9MB