Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 01:46
Static task
static1
Behavioral task
behavioral1
Sample
shipping documents.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
shipping documents.exe
Resource
win10v2004-20240426-en
General
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Target
shipping documents.exe
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Size
721KB
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MD5
11bdbb99b474b15e0b04e488061e9256
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SHA1
db8bcdd61414f1388f455e8b4ce6ae5554ca38f3
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SHA256
05b60524cb82eb522b46db014a5ec190e35d9fd433e7624232b53f142b3ed1a1
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SHA512
558f471c17b3b701e059514002155a4f4d71dbe9159ebc5326f158a7fda241ae6445139899af5db663bd0ee2fcd5c952f7b248a2486be354b32d155ca503ed5f
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SSDEEP
12288:zPO4mPK3Rx2Mewaliv+ilMkLbjfm2HV5gos04pG7PaD3H4lN3179DoDq74nXetkR:i4m02MewWivqkLbjfmQV4077yjH4f3Vu
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.springandsummer.lk - Port:
587 - Username:
[email protected] - Password:
anu##323 - 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/1404-46-0x0000000000400000-0x0000000000442000-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/1404-46-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1404-46-0x0000000000400000-0x0000000000442000-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/1404-46-0x0000000000400000-0x0000000000442000-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/1404-46-0x0000000000400000-0x0000000000442000-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/1404-46-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid Process 4504 powershell.exe 4588 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
shipping documents.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation shipping documents.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
shipping documents.exedescription pid Process procid_target PID 1496 set thread context of 1404 1496 shipping documents.exe 98 -
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 15 IoCs
Processes:
shipping documents.exepowershell.exepowershell.exeRegSvcs.exepid Process 1496 shipping documents.exe 1496 shipping documents.exe 1496 shipping documents.exe 1496 shipping documents.exe 1496 shipping documents.exe 1496 shipping documents.exe 4504 powershell.exe 4588 powershell.exe 1496 shipping documents.exe 1496 shipping documents.exe 1496 shipping documents.exe 4504 powershell.exe 1404 RegSvcs.exe 1404 RegSvcs.exe 4588 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
shipping documents.exepowershell.exepowershell.exeRegSvcs.exedescription pid Process Token: SeDebugPrivilege 1496 shipping documents.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 1404 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
shipping documents.exedescription pid Process procid_target PID 1496 wrote to memory of 4504 1496 shipping documents.exe 91 PID 1496 wrote to memory of 4504 1496 shipping documents.exe 91 PID 1496 wrote to memory of 4504 1496 shipping documents.exe 91 PID 1496 wrote to memory of 4588 1496 shipping documents.exe 93 PID 1496 wrote to memory of 4588 1496 shipping documents.exe 93 PID 1496 wrote to memory of 4588 1496 shipping documents.exe 93 PID 1496 wrote to memory of 4428 1496 shipping documents.exe 95 PID 1496 wrote to memory of 4428 1496 shipping documents.exe 95 PID 1496 wrote to memory of 4428 1496 shipping documents.exe 95 PID 1496 wrote to memory of 2356 1496 shipping documents.exe 97 PID 1496 wrote to memory of 2356 1496 shipping documents.exe 97 PID 1496 wrote to memory of 2356 1496 shipping documents.exe 97 PID 1496 wrote to memory of 1404 1496 shipping documents.exe 98 PID 1496 wrote to memory of 1404 1496 shipping documents.exe 98 PID 1496 wrote to memory of 1404 1496 shipping documents.exe 98 PID 1496 wrote to memory of 1404 1496 shipping documents.exe 98 PID 1496 wrote to memory of 1404 1496 shipping documents.exe 98 PID 1496 wrote to memory of 1404 1496 shipping documents.exe 98 PID 1496 wrote to memory of 1404 1496 shipping documents.exe 98 PID 1496 wrote to memory of 1404 1496 shipping documents.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496 -
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\shipping documents.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4504
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mUsYIbZfsGwZQG.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4588
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mUsYIbZfsGwZQG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp"2⤵
- Creates scheduled task(s)
PID:4428
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2356
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1404
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e6b390d6f6d704a944b6524939727e86
SHA15480b0b0798f808b9389600270048d3de963224c
SHA2564f7993aaa4d8dfd8ef5e849aee5a0c13ac11636107eb7e046fe971cc8a398932
SHA51279920921bdda8539bc51c3a9192cb97b3edf8d5407131999e4e6504b0eb1a9199f3785d2dd35a4d18c62e959491ded46aa1ba4938d791c1f2f636125c9f823fe