Analysis
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max time kernel
132s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 17:57
Static task
static1
Behavioral task
behavioral1
Sample
Purchase order.exe
Resource
win7-20240903-en
General
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Target
Purchase order.exe
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Size
1.5MB
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MD5
fb3ad7e9cb5938ad1af8facf52693b27
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SHA1
4a45c5429a503e8730ebc5261441e91b963510d1
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SHA256
d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793
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SHA512
bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60
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SSDEEP
24576:8IFcjHUVcxTE59dcvuc8kXeRYPps4GY4a9qJVX8ScEhAs3PseK0dHosEfzbm:8IFczdarcW/hySXYh9UPvhAKPFFOsw
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
webmaster - 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 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3536 powershell.exe 4836 powershell.exe 4116 powershell.exe 2224 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation Purchase order.exe Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation Purchase order.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 3 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.
flow ioc 32 api.ipify.org 33 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2444 set thread context of 3996 2444 Purchase order.exe 105 PID 3996 set thread context of 1628 3996 Purchase order.exe 112 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase order.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase order.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase order.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2712 schtasks.exe 3864 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 3536 powershell.exe 3536 powershell.exe 2444 Purchase order.exe 2444 Purchase order.exe 4836 powershell.exe 4836 powershell.exe 2444 Purchase order.exe 2444 Purchase order.exe 3536 powershell.exe 4836 powershell.exe 4116 powershell.exe 4116 powershell.exe 2224 powershell.exe 2224 powershell.exe 4116 powershell.exe 1628 Purchase order.exe 1628 Purchase order.exe 1628 Purchase order.exe 2224 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 3536 powershell.exe Token: SeDebugPrivilege 4836 powershell.exe Token: SeDebugPrivilege 2444 Purchase order.exe Token: SeDebugPrivilege 2224 powershell.exe Token: SeDebugPrivilege 4116 powershell.exe Token: SeDebugPrivilege 1628 Purchase order.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 2444 wrote to memory of 3536 2444 Purchase order.exe 97 PID 2444 wrote to memory of 3536 2444 Purchase order.exe 97 PID 2444 wrote to memory of 3536 2444 Purchase order.exe 97 PID 2444 wrote to memory of 4836 2444 Purchase order.exe 99 PID 2444 wrote to memory of 4836 2444 Purchase order.exe 99 PID 2444 wrote to memory of 4836 2444 Purchase order.exe 99 PID 2444 wrote to memory of 2712 2444 Purchase order.exe 101 PID 2444 wrote to memory of 2712 2444 Purchase order.exe 101 PID 2444 wrote to memory of 2712 2444 Purchase order.exe 101 PID 2444 wrote to memory of 2512 2444 Purchase order.exe 103 PID 2444 wrote to memory of 2512 2444 Purchase order.exe 103 PID 2444 wrote to memory of 2512 2444 Purchase order.exe 103 PID 2444 wrote to memory of 1568 2444 Purchase order.exe 104 PID 2444 wrote to memory of 1568 2444 Purchase order.exe 104 PID 2444 wrote to memory of 1568 2444 Purchase order.exe 104 PID 2444 wrote to memory of 3996 2444 Purchase order.exe 105 PID 2444 wrote to memory of 3996 2444 Purchase order.exe 105 PID 2444 wrote to memory of 3996 2444 Purchase order.exe 105 PID 2444 wrote to memory of 3996 2444 Purchase order.exe 105 PID 2444 wrote to memory of 3996 2444 Purchase order.exe 105 PID 2444 wrote to memory of 3996 2444 Purchase order.exe 105 PID 2444 wrote to memory of 3996 2444 Purchase order.exe 105 PID 2444 wrote to memory of 3996 2444 Purchase order.exe 105 PID 3996 wrote to memory of 4116 3996 Purchase order.exe 106 PID 3996 wrote to memory of 4116 3996 Purchase order.exe 106 PID 3996 wrote to memory of 4116 3996 Purchase order.exe 106 PID 3996 wrote to memory of 2224 3996 Purchase order.exe 108 PID 3996 wrote to memory of 2224 3996 Purchase order.exe 108 PID 3996 wrote to memory of 2224 3996 Purchase order.exe 108 PID 3996 wrote to memory of 3864 3996 Purchase order.exe 110 PID 3996 wrote to memory of 3864 3996 Purchase order.exe 110 PID 3996 wrote to memory of 3864 3996 Purchase order.exe 110 PID 3996 wrote to memory of 1628 3996 Purchase order.exe 112 PID 3996 wrote to memory of 1628 3996 Purchase order.exe 112 PID 3996 wrote to memory of 1628 3996 Purchase order.exe 112 PID 3996 wrote to memory of 1628 3996 Purchase order.exe 112 PID 3996 wrote to memory of 1628 3996 Purchase order.exe 112 PID 3996 wrote to memory of 1628 3996 Purchase order.exe 112 PID 3996 wrote to memory of 1628 3996 Purchase order.exe 112 PID 3996 wrote to memory of 1628 3996 Purchase order.exe 112
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444 -
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\Purchase order.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3536
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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\eouOCEx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4836
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eouOCEx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp46C8.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2712
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"2⤵PID:2512
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"2⤵PID:1568
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3996 -
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\Purchase order.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4116
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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\wlBldyvi.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2224
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E43.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3864
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1628
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4404,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=1320 /prefetch:81⤵PID:4556
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5ea943fc83035c805c76eb93ef4140a74
SHA17cfddade1911ca69d44812b1272c886d4abed1c5
SHA256adb8688cf1b8b887b16d74aa9963226c572e85add96f7050ccebe71ddb18ca81
SHA512c3ebd0fd80e7ae980324a2fc85219fe280fd4862275a858b7ef69710af112b6571d71e7b70a0343279533ed4ca44c05fa1dc3adbc03819e6447c0479bd1e3feb
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Filesize
18KB
MD594454c417c93552549c8869febcc187b
SHA19c96ab70393a1bb8d08e5cbb9f33c22b170fe7a8
SHA25690e13057fb808f5fafc1b1832b34564b2b1edfea497cf439613c0e9e9831b41d
SHA512e60650780bb978b9880a3785e87152dc0fca53c523c2a3bfca0a23bc740b56f878d2a8620ccd9912f7a6bcff60f3155956c369058a8e5c87f124662ca2456404
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e89b580ff7d68e8e734b2d53af37cc5c
SHA1a5db016551fc83e81c3b687541b5429038bf403f
SHA2565b4551555030f7f7674d982e78d4acee8efb80e22c2124d4ba747fc35637b825
SHA5124ebced4cd5895298c3cc4999be0210af33a2de9a97373b98fc0cee339a246655f57421254fd0d06255c581f3dfc65469d886fb48ffcf7061ddeed5f791dbdc18
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Filesize
1KB
MD57a3f94d73b9e807ac2b4fd8388e7e185
SHA11b6e50602a4cde863ddb5a23cab0b673f8059c95
SHA256dad3653b194c30a1529ee967171043e9d4baab2d2481b535129e5ce3b672ea67
SHA5121b9ceb58fc9af5ae24200bdbe29b82d3ebf993fd8e5b160c6b5319867c399205882bd669a697f2aabc02d0297239aceb4cd70d1d89f6b72fa494e1d400d20dac
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Filesize
1.5MB
MD5fb3ad7e9cb5938ad1af8facf52693b27
SHA14a45c5429a503e8730ebc5261441e91b963510d1
SHA256d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793
SHA512bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60