Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/10/2024, 01:33
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
1.4MB
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MD5
4c363afc82b0757d2723ff1287ab85de
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SHA1
eae78234d3125edb5e161641b1c61dfab9456a46
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SHA256
0787749d9897612314975e2943139157efcff4dbf604323d3d950c76b7555719
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SHA512
c202cb6c3b8bef7cb556c335595c03e7da412e00466491e3bbbec15391bec8250d944ada1eb4b4e5d6215d39c2f28996a025a6de78243570382cf188744d8ac3
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SSDEEP
24576:szSWNKs08nmbdXiQsGgJF2B+xaJ/ncPUoN0eaxn7wymHinDVw2iTYYuX0J:gSPGyXi0gbKCikPPN0fxn7NmHinDVw2e
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 1432 powershell.exe 4548 powershell.exe 3480 powershell.exe 1908 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation Purchase order.exe Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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 4092 set thread context of 3728 4092 Purchase order.exe 101 PID 3728 set thread context of 768 3728 Purchase order.exe 109 -
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 Purchase order.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 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 -
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 3204 schtasks.exe 3956 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1908 powershell.exe 1908 powershell.exe 3480 powershell.exe 3480 powershell.exe 4092 Purchase order.exe 4092 Purchase order.exe 4092 Purchase order.exe 4092 Purchase order.exe 1908 powershell.exe 3480 powershell.exe 1432 powershell.exe 4548 powershell.exe 768 Purchase order.exe 768 Purchase order.exe 1432 powershell.exe 4548 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 3480 powershell.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 4092 Purchase order.exe Token: SeDebugPrivilege 1432 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 768 Purchase order.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 4092 wrote to memory of 3480 4092 Purchase order.exe 93 PID 4092 wrote to memory of 3480 4092 Purchase order.exe 93 PID 4092 wrote to memory of 3480 4092 Purchase order.exe 93 PID 4092 wrote to memory of 1908 4092 Purchase order.exe 95 PID 4092 wrote to memory of 1908 4092 Purchase order.exe 95 PID 4092 wrote to memory of 1908 4092 Purchase order.exe 95 PID 4092 wrote to memory of 3204 4092 Purchase order.exe 97 PID 4092 wrote to memory of 3204 4092 Purchase order.exe 97 PID 4092 wrote to memory of 3204 4092 Purchase order.exe 97 PID 4092 wrote to memory of 2636 4092 Purchase order.exe 99 PID 4092 wrote to memory of 2636 4092 Purchase order.exe 99 PID 4092 wrote to memory of 2636 4092 Purchase order.exe 99 PID 4092 wrote to memory of 2292 4092 Purchase order.exe 100 PID 4092 wrote to memory of 2292 4092 Purchase order.exe 100 PID 4092 wrote to memory of 2292 4092 Purchase order.exe 100 PID 4092 wrote to memory of 3728 4092 Purchase order.exe 101 PID 4092 wrote to memory of 3728 4092 Purchase order.exe 101 PID 4092 wrote to memory of 3728 4092 Purchase order.exe 101 PID 4092 wrote to memory of 3728 4092 Purchase order.exe 101 PID 4092 wrote to memory of 3728 4092 Purchase order.exe 101 PID 4092 wrote to memory of 3728 4092 Purchase order.exe 101 PID 4092 wrote to memory of 3728 4092 Purchase order.exe 101 PID 4092 wrote to memory of 3728 4092 Purchase order.exe 101 PID 3728 wrote to memory of 1432 3728 Purchase order.exe 103 PID 3728 wrote to memory of 1432 3728 Purchase order.exe 103 PID 3728 wrote to memory of 1432 3728 Purchase order.exe 103 PID 3728 wrote to memory of 4548 3728 Purchase order.exe 105 PID 3728 wrote to memory of 4548 3728 Purchase order.exe 105 PID 3728 wrote to memory of 4548 3728 Purchase order.exe 105 PID 3728 wrote to memory of 3956 3728 Purchase order.exe 107 PID 3728 wrote to memory of 3956 3728 Purchase order.exe 107 PID 3728 wrote to memory of 3956 3728 Purchase order.exe 107 PID 3728 wrote to memory of 768 3728 Purchase order.exe 109 PID 3728 wrote to memory of 768 3728 Purchase order.exe 109 PID 3728 wrote to memory of 768 3728 Purchase order.exe 109 PID 3728 wrote to memory of 768 3728 Purchase order.exe 109 PID 3728 wrote to memory of 768 3728 Purchase order.exe 109 PID 3728 wrote to memory of 768 3728 Purchase order.exe 109 PID 3728 wrote to memory of 768 3728 Purchase order.exe 109 PID 3728 wrote to memory of 768 3728 Purchase order.exe 109
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:4092 -
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:3480
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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\IxumRsOtTdrVAu.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1908
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IxumRsOtTdrVAu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF89.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3204
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"2⤵PID:2636
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C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"2⤵PID:2292
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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:3728 -
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:1432
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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:4548
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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\tmpE697.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3956
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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:768
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
528B
MD56fb1ea4121aa2f2192f82e8583e185c9
SHA1cd38b15ccb84c20af07ccca29e0f9aba0c3bec41
SHA25652e36174557dd2243d8a3813797d230c46945389be1ec540c2789f2879dba34f
SHA512fc6ac9d52d7adea83fa00078cdb6dff2a990f02c4a722e868b176712d9e25d3b421e4fa7c307dbab0ab0203a64cd34c7c41d9435b32ade30f3e059c0995be847
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Filesize
18KB
MD5b52b07d79345a04f68be6f01e84a7c13
SHA1a017ec4abe8130f58b86e5df498d9b0da32a3d9f
SHA256f7001ac98ad0c38f8b038df274e08a815d6aa5c620cad136c0ec915a7c265dd9
SHA512bad76c20094eb1abbc8b66f8f7a8988251b92725bd19a7c333f802806e33a11857d486ea68300b356805cf3c95708f58794f03ab9083bbde720464934fa81231
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD576e75c37e4d7b46aa0618ef1eee62d3f
SHA1b56ab8cc853c0e52cfb2db2604a58a578fda863d
SHA25616274987a9ef3dfdd27f56d9034fc9a0d0db200a411bd7119523550457ce089c
SHA5126d297a85bba227cd0968cd5dab648a8bc3472312ec316c17011069491dbc7231ce320dd736168b68ddfd076cd7bd03d3a8d2517c52e4b3019a46c6aa41a4b697
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Filesize
1KB
MD54900079d1157f93c9ade3a93658b90c0
SHA148014a1ff3fa7be954abfb29b3cbffae25bf7b43
SHA2566dea69f4c50148e7523eb30c1d187ce458a63e26160a89682d547e4c8885c1a5
SHA5122dac6a94da2c0eeb20a4c14f458b459b61caba6d7f6245b4aab4f2c3c67247d0f6522491bd306a90432a235ac401a11679a096263726ecdf9bfce08f9523499e
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Filesize
1.4MB
MD54c363afc82b0757d2723ff1287ab85de
SHA1eae78234d3125edb5e161641b1c61dfab9456a46
SHA2560787749d9897612314975e2943139157efcff4dbf604323d3d950c76b7555719
SHA512c202cb6c3b8bef7cb556c335595c03e7da412e00466491e3bbbec15391bec8250d944ada1eb4b4e5d6215d39c2f28996a025a6de78243570382cf188744d8ac3