Analysis
-
max time kernel
130s -
max time network
131s -
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 07:22
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 1964 powershell.exe 1880 powershell.exe 4516 powershell.exe 112 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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation Purchase order.exe Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\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 25 api.ipify.org 26 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1564 set thread context of 3848 1564 Purchase order.exe 94 PID 3848 set thread context of 4252 3848 Purchase order.exe 103 -
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 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 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 4848 schtasks.exe 4120 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1964 powershell.exe 112 powershell.exe 1564 Purchase order.exe 1564 Purchase order.exe 1964 powershell.exe 112 powershell.exe 4516 powershell.exe 1880 powershell.exe 4252 Purchase order.exe 4252 Purchase order.exe 1880 powershell.exe 4516 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 112 powershell.exe Token: SeDebugPrivilege 1564 Purchase order.exe Token: SeDebugPrivilege 1880 powershell.exe Token: SeDebugPrivilege 4516 powershell.exe Token: SeDebugPrivilege 4252 Purchase order.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1564 wrote to memory of 112 1564 Purchase order.exe 87 PID 1564 wrote to memory of 112 1564 Purchase order.exe 87 PID 1564 wrote to memory of 112 1564 Purchase order.exe 87 PID 1564 wrote to memory of 1964 1564 Purchase order.exe 89 PID 1564 wrote to memory of 1964 1564 Purchase order.exe 89 PID 1564 wrote to memory of 1964 1564 Purchase order.exe 89 PID 1564 wrote to memory of 4848 1564 Purchase order.exe 91 PID 1564 wrote to memory of 4848 1564 Purchase order.exe 91 PID 1564 wrote to memory of 4848 1564 Purchase order.exe 91 PID 1564 wrote to memory of 3596 1564 Purchase order.exe 93 PID 1564 wrote to memory of 3596 1564 Purchase order.exe 93 PID 1564 wrote to memory of 3596 1564 Purchase order.exe 93 PID 1564 wrote to memory of 3848 1564 Purchase order.exe 94 PID 1564 wrote to memory of 3848 1564 Purchase order.exe 94 PID 1564 wrote to memory of 3848 1564 Purchase order.exe 94 PID 1564 wrote to memory of 3848 1564 Purchase order.exe 94 PID 1564 wrote to memory of 3848 1564 Purchase order.exe 94 PID 1564 wrote to memory of 3848 1564 Purchase order.exe 94 PID 1564 wrote to memory of 3848 1564 Purchase order.exe 94 PID 1564 wrote to memory of 3848 1564 Purchase order.exe 94 PID 3848 wrote to memory of 4516 3848 Purchase order.exe 97 PID 3848 wrote to memory of 4516 3848 Purchase order.exe 97 PID 3848 wrote to memory of 4516 3848 Purchase order.exe 97 PID 3848 wrote to memory of 1880 3848 Purchase order.exe 99 PID 3848 wrote to memory of 1880 3848 Purchase order.exe 99 PID 3848 wrote to memory of 1880 3848 Purchase order.exe 99 PID 3848 wrote to memory of 4120 3848 Purchase order.exe 101 PID 3848 wrote to memory of 4120 3848 Purchase order.exe 101 PID 3848 wrote to memory of 4120 3848 Purchase order.exe 101 PID 3848 wrote to memory of 4252 3848 Purchase order.exe 103 PID 3848 wrote to memory of 4252 3848 Purchase order.exe 103 PID 3848 wrote to memory of 4252 3848 Purchase order.exe 103 PID 3848 wrote to memory of 4252 3848 Purchase order.exe 103 PID 3848 wrote to memory of 4252 3848 Purchase order.exe 103 PID 3848 wrote to memory of 4252 3848 Purchase order.exe 103 PID 3848 wrote to memory of 4252 3848 Purchase order.exe 103 PID 3848 wrote to memory of 4252 3848 Purchase order.exe 103
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:1564 -
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:112
-
-
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:1964
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eouOCEx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDFE.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4848
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"2⤵PID:3596
-
-
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:3848 -
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:4516
-
-
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:1880
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2E9.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4120
-
-
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:4252
-
-
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
-
Filesize
18KB
MD55077284dd60456150d9c293952cf3d6a
SHA1e3b911089ed8c40cfeb533df91779cfb2aa2fc87
SHA2568e0bee872f3874c3dd58df246b9e10bcac3e0dd9c4ce211e1ccd8e8a13e3c140
SHA512ffcf875305d33eb6f569bea005285397b8ea9e9746c353729a5a8d8b93dac053c249e358f623b155f7040b66fdd9532c3880ce9a755c10d9e6af232c7b3d91f2
-
Filesize
18KB
MD594ac0eef22f9c9029b46d78099f15a76
SHA158a92822ecaa66207a33e9c14c4101278fda80b6
SHA256c3fb5e8680f7436a8da4a5410da51812fb19df8e0063e3f089b8153ffb582aa3
SHA5125228aef6941f8c96a641d0ce42e187042f1b5708fe938bce99e9be8543bb9fdb0ad03b4f82036e899806d3141dda37b39cb1ffca7996fcfedd3934bbd48a7437
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD55886eb584c36d4d63e27a676f27fbb61
SHA10ee6e1ba9d43da460e4991ec96ca567cbb2c7a25
SHA256be6be7c85b062e8d348ba06be7cd171b147cb6b7310721b8d7a3ffdaed1dc375
SHA5128966f1279c5bc77b3e7b2797acadeb4994b6ca12326591f544724bf734ed0e3899fdf89a23b60c95b611649cc079c8cf5718e078180a6bf4bab3b4a0202452ed
-
Filesize
1KB
MD52a77ad8f3dfea645d90042d22b4793fc
SHA1cbce8880a985e12b816715f065fda412328bf573
SHA2562d5d42357428804f4a84f14ac672efcd994649163ea2a9e2da8bd4fdc883ab8d
SHA5121b4524ba77310e173b43130cb403807eee9e8f29c34257ea6295fb51f796c26cf8e26bb2aaf5fbb45cd1cf85945366985d10de966f0f1d4525ebbed4db199d54
-
Filesize
1.5MB
MD5fb3ad7e9cb5938ad1af8facf52693b27
SHA14a45c5429a503e8730ebc5261441e91b963510d1
SHA256d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793
SHA512bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60