Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 14:04
Static task
static1
Behavioral task
behavioral1
Sample
PO00211.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
PO00211.exe
Resource
win10v2004-20240508-en
General
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Target
PO00211.exe
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Size
670KB
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MD5
2b12a266317f002c205011fa1958072c
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SHA1
07e6859611698f37aa9c4011f76907aafe524218
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SHA256
dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04
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SHA512
444f0444202f3c4c67cdf3deeb479233041edd4d7a16c0240b729173b5781322278d21abb9e55eb09668795e1121a77ea9ffd11735823a08b109f064969f67b8
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SSDEEP
12288:J0FJzi8LkpEaAxx1Qy0+9+WTehgXkWP3DdFsOFHplgCIQlHzWH4jdmeO1W+TLTuU:KT2jE3LS7+99fXxP3DdFnFJ2CIQBgcdO
Malware Config
Extracted
Protocol: smtp- Host:
mail.activefreightpak.com - Port:
587 - Username:
[email protected] - Password:
AFSPL**77**
Extracted
agenttesla
Protocol: smtp- Host:
mail.activefreightpak.com - Port:
587 - Username:
[email protected] - Password:
AFSPL**77** - 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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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 4656 powershell.exe 1592 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
PO00211.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation PO00211.exe -
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:
PO00211.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bnFClsT = "C:\\Users\\Admin\\AppData\\Roaming\\bnFClsT\\bnFClsT.exe" PO00211.exe -
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 29 api.ipify.org 30 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO00211.exedescription pid process target process PID 680 set thread context of 3104 680 PO00211.exe PO00211.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 14 IoCs
Processes:
PO00211.exepowershell.exepowershell.exePO00211.exepid process 680 PO00211.exe 1592 powershell.exe 1592 powershell.exe 4656 powershell.exe 4656 powershell.exe 680 PO00211.exe 680 PO00211.exe 680 PO00211.exe 680 PO00211.exe 3104 PO00211.exe 3104 PO00211.exe 3104 PO00211.exe 4656 powershell.exe 1592 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
PO00211.exepowershell.exepowershell.exePO00211.exedescription pid process Token: SeDebugPrivilege 680 PO00211.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 3104 PO00211.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PO00211.exepid process 3104 PO00211.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
PO00211.exedescription pid process target process PID 680 wrote to memory of 4656 680 PO00211.exe powershell.exe PID 680 wrote to memory of 4656 680 PO00211.exe powershell.exe PID 680 wrote to memory of 4656 680 PO00211.exe powershell.exe PID 680 wrote to memory of 1592 680 PO00211.exe powershell.exe PID 680 wrote to memory of 1592 680 PO00211.exe powershell.exe PID 680 wrote to memory of 1592 680 PO00211.exe powershell.exe PID 680 wrote to memory of 2892 680 PO00211.exe schtasks.exe PID 680 wrote to memory of 2892 680 PO00211.exe schtasks.exe PID 680 wrote to memory of 2892 680 PO00211.exe schtasks.exe PID 680 wrote to memory of 4900 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 4900 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 4900 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 3104 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 3104 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 3104 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 3104 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 3104 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 3104 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 3104 680 PO00211.exe PO00211.exe PID 680 wrote to memory of 3104 680 PO00211.exe PO00211.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO00211.exe"C:\Users\Admin\AppData\Local\Temp\PO00211.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:680 -
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\PO00211.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4656
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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\eeOuEr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1592
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eeOuEr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7DBB.tmp"2⤵
- Creates scheduled task(s)
PID:2892
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C:\Users\Admin\AppData\Local\Temp\PO00211.exe"C:\Users\Admin\AppData\Local\Temp\PO00211.exe"2⤵PID:4900
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C:\Users\Admin\AppData\Local\Temp\PO00211.exe"C:\Users\Admin\AppData\Local\Temp\PO00211.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3104
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5294d7e40c25f4e1578535ef55c2fef10
SHA1780d1b8a5cac406c0a6153e3d2049fcc96dcda53
SHA256101b755185b11d4b4072bbb4a8b0e63cc499c6ba771d6dc3bab0a33e634ab309
SHA5128f08868e4d411447b0ae8eb62a79d7a4da71d5397562c3fddc5a805e48cd8761d574e74d587c27d03e010af6f3c7dde98150213395a0548b5e5ba6e8d35dfda6
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5f5b79c84fcee1017279a6219c3bf91d9
SHA1442fd57364bdf711dc4edcf8400c2359a0612079
SHA256f69773a0a386051c2f48b769944f6f57576048d24801c72d82119b34e37bc320
SHA512df995691e20c8575e405db0a8aeb4f5ee21bf9a0ccd1a2b6a757b73c7f14336dec680560db8c653259b686ff44129824176462e04a266cffa4e1572832926eb9