Analysis
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max time kernel
102s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2023 07:34
Static task
static1
Behavioral task
behavioral1
Sample
Purchase_order_Y93747710.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
Purchase_order_Y93747710.exe
Resource
win10v2004-20231130-en
General
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Target
Purchase_order_Y93747710.exe
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Size
957KB
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MD5
9f771ec413240eb2885fbcb26c2fb048
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SHA1
5b02911923899eb685fd6b5548c224f357364d82
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SHA256
2a33dbe8548389084bc412b6d906717ed20751b2ea63d94bfff0a693a32c6ada
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SHA512
4fd410cf21546bcbaa5ff9fc800b0dfff8fa6a7d6f66509f23e528e500481ffedfa968173730018ead34629e4c612b70b810f00531fba563964b11db46890573
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SSDEEP
12288:blG9rbwLijBexRQv8Ntg9deEAVMK5FplFgfrYahpgnfT3OE8EHxHLawbihl4Bd0W:bw9nyRu87gX0Dpl2flUf7jFRHL
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bezzleauto.com - Port:
587 - Username:
[email protected] - Password:
Tommyduru8118 - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Purchase_order_Y93747710.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Control Panel\International\Geo\Nation Purchase_order_Y93747710.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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase_order_Y93747710.exedescription pid process target process PID 4164 set thread context of 5108 4164 Purchase_order_Y93747710.exe Purchase_order_Y93747710.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 6 IoCs
Processes:
powershell.exepowershell.exePurchase_order_Y93747710.exepid process 4040 powershell.exe 8 powershell.exe 5108 Purchase_order_Y93747710.exe 5108 Purchase_order_Y93747710.exe 4040 powershell.exe 8 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exePurchase_order_Y93747710.exedescription pid process Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 4040 powershell.exe Token: SeDebugPrivilege 5108 Purchase_order_Y93747710.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Purchase_order_Y93747710.exedescription pid process target process PID 4164 wrote to memory of 4040 4164 Purchase_order_Y93747710.exe powershell.exe PID 4164 wrote to memory of 4040 4164 Purchase_order_Y93747710.exe powershell.exe PID 4164 wrote to memory of 4040 4164 Purchase_order_Y93747710.exe powershell.exe PID 4164 wrote to memory of 8 4164 Purchase_order_Y93747710.exe powershell.exe PID 4164 wrote to memory of 8 4164 Purchase_order_Y93747710.exe powershell.exe PID 4164 wrote to memory of 8 4164 Purchase_order_Y93747710.exe powershell.exe PID 4164 wrote to memory of 4016 4164 Purchase_order_Y93747710.exe schtasks.exe PID 4164 wrote to memory of 4016 4164 Purchase_order_Y93747710.exe schtasks.exe PID 4164 wrote to memory of 4016 4164 Purchase_order_Y93747710.exe schtasks.exe PID 4164 wrote to memory of 5108 4164 Purchase_order_Y93747710.exe Purchase_order_Y93747710.exe PID 4164 wrote to memory of 5108 4164 Purchase_order_Y93747710.exe Purchase_order_Y93747710.exe PID 4164 wrote to memory of 5108 4164 Purchase_order_Y93747710.exe Purchase_order_Y93747710.exe PID 4164 wrote to memory of 5108 4164 Purchase_order_Y93747710.exe Purchase_order_Y93747710.exe PID 4164 wrote to memory of 5108 4164 Purchase_order_Y93747710.exe Purchase_order_Y93747710.exe PID 4164 wrote to memory of 5108 4164 Purchase_order_Y93747710.exe Purchase_order_Y93747710.exe PID 4164 wrote to memory of 5108 4164 Purchase_order_Y93747710.exe Purchase_order_Y93747710.exe PID 4164 wrote to memory of 5108 4164 Purchase_order_Y93747710.exe Purchase_order_Y93747710.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase_order_Y93747710.exe"C:\Users\Admin\AppData\Local\Temp\Purchase_order_Y93747710.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4164 -
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_Y93747710.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\udmNej.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:8 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\udmNej" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8E7.tmp"2⤵
- Creates scheduled task(s)
PID:4016 -
C:\Users\Admin\AppData\Local\Temp\Purchase_order_Y93747710.exe"C:\Users\Admin\AppData\Local\Temp\Purchase_order_Y93747710.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5108
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD528c29a89df26287bb440146cc06e349a
SHA13d535e829d9fbfd682994151aedefdcb342c23da
SHA256c1ff94ca3f1c57353bfb47a180cb6eec1531668b2ea3d22c3b6f065f008c4b02
SHA512595ae45e9595b0b395ece320db600d97684df47202238c1e03985a26167fad576b819794c5ab6406a89b0a209a7d8aa52c23ba589b3f4fe56161e4dac791202c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD52ad301f0f9b882a860f6de67f1648c13
SHA1511311624557bfeab913196aeb0b2f0f3c7145d4
SHA256ec8a9631f0e858c4fc56edf1fd2afa474157237b1222b97820bbf378f6d95592
SHA51200d7998b4cd78cca366163dd3f4f4e9bb699ed670f2562d7dedcf6a66d5e48a68032d4a6dfdd5f7054f40569291ea1a0d4f06b3b565d070c75cc8a2ea56d56b9