Analysis
-
max time kernel
130s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2024 07:12
Static task
static1
Behavioral task
behavioral1
Sample
Purchase order.exe
Resource
win7-20240903-en
General
-
Target
Purchase order.exe
-
Size
1.5MB
-
MD5
fb3ad7e9cb5938ad1af8facf52693b27
-
SHA1
4a45c5429a503e8730ebc5261441e91b963510d1
-
SHA256
d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793
-
SHA512
bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60
-
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
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
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 4480 powershell.exe 3384 powershell.exe 2708 powershell.exe 1804 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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation Purchase order.exe Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\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.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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 24 api.ipify.org 25 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4544 set thread context of 1136 4544 Purchase order.exe 95 PID 1136 set thread context of 2904 1136 Purchase order.exe 106 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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 3172 schtasks.exe 3536 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3384 powershell.exe 4480 powershell.exe 4544 Purchase order.exe 4544 Purchase order.exe 3384 powershell.exe 4480 powershell.exe 2708 powershell.exe 1804 powershell.exe 1136 Purchase order.exe 1136 Purchase order.exe 2904 Purchase order.exe 2904 Purchase order.exe 1804 powershell.exe 2708 powershell.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 4544 Purchase order.exe Token: SeDebugPrivilege 2708 powershell.exe Token: SeDebugPrivilege 1804 powershell.exe Token: SeDebugPrivilege 1136 Purchase order.exe Token: SeDebugPrivilege 2904 Purchase order.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 4544 wrote to memory of 4480 4544 Purchase order.exe 88 PID 4544 wrote to memory of 4480 4544 Purchase order.exe 88 PID 4544 wrote to memory of 4480 4544 Purchase order.exe 88 PID 4544 wrote to memory of 3384 4544 Purchase order.exe 90 PID 4544 wrote to memory of 3384 4544 Purchase order.exe 90 PID 4544 wrote to memory of 3384 4544 Purchase order.exe 90 PID 4544 wrote to memory of 3172 4544 Purchase order.exe 92 PID 4544 wrote to memory of 3172 4544 Purchase order.exe 92 PID 4544 wrote to memory of 3172 4544 Purchase order.exe 92 PID 4544 wrote to memory of 4536 4544 Purchase order.exe 94 PID 4544 wrote to memory of 4536 4544 Purchase order.exe 94 PID 4544 wrote to memory of 4536 4544 Purchase order.exe 94 PID 4544 wrote to memory of 1136 4544 Purchase order.exe 95 PID 4544 wrote to memory of 1136 4544 Purchase order.exe 95 PID 4544 wrote to memory of 1136 4544 Purchase order.exe 95 PID 4544 wrote to memory of 1136 4544 Purchase order.exe 95 PID 4544 wrote to memory of 1136 4544 Purchase order.exe 95 PID 4544 wrote to memory of 1136 4544 Purchase order.exe 95 PID 4544 wrote to memory of 1136 4544 Purchase order.exe 95 PID 4544 wrote to memory of 1136 4544 Purchase order.exe 95 PID 1136 wrote to memory of 2708 1136 Purchase order.exe 99 PID 1136 wrote to memory of 2708 1136 Purchase order.exe 99 PID 1136 wrote to memory of 2708 1136 Purchase order.exe 99 PID 1136 wrote to memory of 1804 1136 Purchase order.exe 101 PID 1136 wrote to memory of 1804 1136 Purchase order.exe 101 PID 1136 wrote to memory of 1804 1136 Purchase order.exe 101 PID 1136 wrote to memory of 3536 1136 Purchase order.exe 103 PID 1136 wrote to memory of 3536 1136 Purchase order.exe 103 PID 1136 wrote to memory of 3536 1136 Purchase order.exe 103 PID 1136 wrote to memory of 3444 1136 Purchase order.exe 105 PID 1136 wrote to memory of 3444 1136 Purchase order.exe 105 PID 1136 wrote to memory of 3444 1136 Purchase order.exe 105 PID 1136 wrote to memory of 2904 1136 Purchase order.exe 106 PID 1136 wrote to memory of 2904 1136 Purchase order.exe 106 PID 1136 wrote to memory of 2904 1136 Purchase order.exe 106 PID 1136 wrote to memory of 2904 1136 Purchase order.exe 106 PID 1136 wrote to memory of 2904 1136 Purchase order.exe 106 PID 1136 wrote to memory of 2904 1136 Purchase order.exe 106 PID 1136 wrote to memory of 2904 1136 Purchase order.exe 106 PID 1136 wrote to memory of 2904 1136 Purchase order.exe 106
Processes
-
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:4544 -
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:4480
-
-
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:3384
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eouOCEx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE55.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3172
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"2⤵PID:4536
-
-
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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1136 -
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:2708
-
-
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:1804
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3498.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3536
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"3⤵PID:3444
-
-
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:2904
-
-
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
-
Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
-
Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
Filesize
104B
MD5c4f45b97f1c9eb1181dfe25fb59f8d41
SHA1aba2ce94bc49187964369a49e747da251e14d16f
SHA2569fd0a73378b6067f58befcb0da742e049ab3bd920252a20e80faab9d9c386d5e
SHA512bd98aca4d6e50627c12f57d807cad881f63a656de586c9bb9a87b43a97ff4a0a608fa2e2c10eb3d4f6d272198447fe13dbb1bfffaa01ce06fbd4ad94cf691b31
-
Filesize
18KB
MD512f5664f475dc26cc95fe5a995e0df9c
SHA1b760fba62e663f03c7c7af19c6de50ddb369a816
SHA256d0324dcfc516137b6914d1a52fe674a5e38f66220c9f562a76a9d85fba6a3e0f
SHA512beca1ab85ad5b53ce7ff91db045e048374c4f46eb3e2d99e02fea27db71d8dceb0638efaf781e3c43225de9f3bce14789b059a127b713e162fc7cb35ff914ded
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD5fd3329481114c98906137cdb0ea11b4e
SHA13a1944fc80f1b39f6f1b5eaf28da9454ba18616c
SHA256ec4fe23ce35f6400ca1a2db29d1df5e324a6d64bbe1ca95c5b7ce36654a598f9
SHA51237d84b1cb89d8946d3869b4689657a55dd8b6e716634753e531b1982a9d5973d4e6c4ecfb4664de3ff867645362ae5779a125d0f62b5019f5d909fe69801b111
-
Filesize
1KB
MD50ebb5f9efff9dd67f6eac4f28e138b8a
SHA1f95271242434961b32bc0154a7a3de0becf053ae
SHA256d127048d6794dd236a15c439b4d748cff70ef114c302e9b883b9e170b4514bb7
SHA5121b3b05dcfb123d0ceb0d3d24669ac9c5cd2e830ab68c496e2ab14a0265a9d7554533ad9d74513d05e76102b0f459f313b5229d3c824203bddbebbcefa7a6bf55
-
Filesize
1.5MB
MD5fb3ad7e9cb5938ad1af8facf52693b27
SHA14a45c5429a503e8730ebc5261441e91b963510d1
SHA256d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793
SHA512bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60