Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29-04-2024 01:07
Static task
static1
Behavioral task
behavioral1
Sample
1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe
Resource
win10v2004-20240426-en
General
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Target
1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe
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Size
823KB
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MD5
48c4494e4bff82d39ad2ac8173c65bfb
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SHA1
1f7fab7375e94b25dd32bc60fc40a76f43ca8862
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SHA256
1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8
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SHA512
0cf2a5d4eddab765e7f8b1a0e56bc51a190b92fdc524ce6584ca64e834007260bd1cb3fa3380c5dea25838c1673dc5fac5e7e3879dbdcb51caf70c78cd5dde86
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SSDEEP
24576:52PjKr5BNDgk95z+mdcxk3IzWTaKHfhnlMh:kk5BNskumdcK3L//Mh
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
dKjVwpK4 dKjVwpK4 dKjVwpK4 - 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. 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2408-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2408-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2408-27-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2408-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2408-22-0x0000000000400000-0x0000000000442000-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/2408-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2408-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2408-27-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2408-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2408-22-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2408-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2408-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2408-27-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2408-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/2408-22-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2408-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2408-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2408-27-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2408-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2408-22-0x0000000000400000-0x0000000000442000-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 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2408-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2408-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2408-27-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2408-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2408-22-0x0000000000400000-0x0000000000442000-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/2408-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2408-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2408-27-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2408-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2408-22-0x0000000000400000-0x0000000000442000-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/2408-29-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2408-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2408-27-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2408-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2408-22-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exedescription pid process target process PID 2256 set thread context of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exeMSBuild.exepowershell.exepowershell.exepid process 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe 2408 MSBuild.exe 2408 MSBuild.exe 2592 powershell.exe 2528 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exeMSBuild.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe Token: SeDebugPrivilege 2408 MSBuild.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 2528 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exedescription pid process target process PID 2256 wrote to memory of 2592 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe powershell.exe PID 2256 wrote to memory of 2592 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe powershell.exe PID 2256 wrote to memory of 2592 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe powershell.exe PID 2256 wrote to memory of 2592 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe powershell.exe PID 2256 wrote to memory of 2528 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe powershell.exe PID 2256 wrote to memory of 2528 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe powershell.exe PID 2256 wrote to memory of 2528 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe powershell.exe PID 2256 wrote to memory of 2528 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe powershell.exe PID 2256 wrote to memory of 2512 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe schtasks.exe PID 2256 wrote to memory of 2512 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe schtasks.exe PID 2256 wrote to memory of 2512 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe schtasks.exe PID 2256 wrote to memory of 2512 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe schtasks.exe PID 2256 wrote to memory of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe PID 2256 wrote to memory of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe PID 2256 wrote to memory of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe PID 2256 wrote to memory of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe PID 2256 wrote to memory of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe PID 2256 wrote to memory of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe PID 2256 wrote to memory of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe PID 2256 wrote to memory of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe PID 2256 wrote to memory of 2408 2256 1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe"C:\Users\Admin\AppData\Local\Temp\1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1451b7450f81b2642b3621b32c24b99c72619c4c9c35747b794eb111262cf3a8.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fbWXASX.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2528 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fbWXASX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E4F.tmp"2⤵
- Creates scheduled task(s)
PID:2512 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2408
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp4E4F.tmpFilesize
1KB
MD5c249b2bd4e2f43432d1147f34294efcf
SHA1b56e60b1a2e55d702b820c69a9bedfa0232ba185
SHA256d031d543abc71a10e74ad62c0bafef3065e0c510a2a7bc84e677e87cd77e9d7b
SHA512ee922f25bea4693243c69191c07c057eed451640a5bdc3b49eda1d35b6b2da21ea9af5c7d1e1471baa32192989e679656721aeb8361a9a1a84d647c2368050b4
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1RFN3CGRITVIFVK7O84I.tempFilesize
7KB
MD5974de04c8060698ca03073ec26e0dc87
SHA140620e0748789248b97c6dcd75a0822f38d04fbe
SHA25643becfa2f4460f0794b8cf6e70d7a017c47b4538ff5b9faf88d1005650e78fdc
SHA51206e40f41ec3c97b191cb0194f82c8794857772a4080bd97abe9e2ff40f014d3de7fbf31a2a2c89c7c140777e1d69f826d75a459c9c945d77207951e3da34219a
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memory/2256-30-0x0000000074DE0000-0x00000000754CE000-memory.dmpFilesize
6.9MB
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memory/2256-1-0x0000000074DE0000-0x00000000754CE000-memory.dmpFilesize
6.9MB
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memory/2256-2-0x0000000000EE0000-0x0000000000F20000-memory.dmpFilesize
256KB
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memory/2256-3-0x0000000000890000-0x00000000008B0000-memory.dmpFilesize
128KB
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memory/2256-4-0x0000000000640000-0x0000000000654000-memory.dmpFilesize
80KB
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memory/2256-5-0x0000000005AD0000-0x0000000005B54000-memory.dmpFilesize
528KB
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memory/2256-0-0x0000000000FE0000-0x00000000010B4000-memory.dmpFilesize
848KB
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memory/2408-21-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2408-28-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2408-27-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2408-26-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/2408-24-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2408-22-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2408-29-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2408-18-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB