Analysis
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max time kernel
93s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
14-09-2024 01:25
Static task
static1
Behavioral task
behavioral1
Sample
Asco Valve Shanghai OrderPO-011024.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Asco Valve Shanghai OrderPO-011024.exe
Resource
win10v2004-20240910-en
General
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Target
Asco Valve Shanghai OrderPO-011024.exe
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Size
828KB
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MD5
9a60eaf7797d0888d2ee0361f21c0b81
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SHA1
922f6c8f286b435d7fb09e399f1562ec43bb62df
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SHA256
7f7bc308f1a31734af163c5b00fc0e1159d2ebdcebbe46b7c5113677f84fcea7
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SHA512
57234a89cd56509df48c253ce1484596a5e80550f00f8d932e8577ad69ee7fda853f3d7106f755c2343684de877b07717d9c1a7a9b0d6448cfcbe173bb67d604
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SSDEEP
12288:9xgX1QX7kIg7Htqmbif65YY2AKTLFarFdokODW15eP7r9r/+pppppppppppppppX:vUKkIgjZbfX2AKVarFdokSge1q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
manlikeyou88 - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2644 powershell.exe 2908 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation Asco Valve Shanghai OrderPO-011024.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
description pid Process procid_target PID 2260 set thread context of 1572 2260 Asco Valve Shanghai OrderPO-011024.exe 92 -
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 5 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 Asco Valve Shanghai OrderPO-011024.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 Asco Valve Shanghai OrderPO-011024.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3648 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2260 Asco Valve Shanghai OrderPO-011024.exe 2644 powershell.exe 2908 powershell.exe 2260 Asco Valve Shanghai OrderPO-011024.exe 1572 Asco Valve Shanghai OrderPO-011024.exe 1572 Asco Valve Shanghai OrderPO-011024.exe 2908 powershell.exe 2644 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2260 Asco Valve Shanghai OrderPO-011024.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 2908 powershell.exe Token: SeDebugPrivilege 1572 Asco Valve Shanghai OrderPO-011024.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2260 wrote to memory of 2644 2260 Asco Valve Shanghai OrderPO-011024.exe 86 PID 2260 wrote to memory of 2644 2260 Asco Valve Shanghai OrderPO-011024.exe 86 PID 2260 wrote to memory of 2644 2260 Asco Valve Shanghai OrderPO-011024.exe 86 PID 2260 wrote to memory of 2908 2260 Asco Valve Shanghai OrderPO-011024.exe 88 PID 2260 wrote to memory of 2908 2260 Asco Valve Shanghai OrderPO-011024.exe 88 PID 2260 wrote to memory of 2908 2260 Asco Valve Shanghai OrderPO-011024.exe 88 PID 2260 wrote to memory of 3648 2260 Asco Valve Shanghai OrderPO-011024.exe 90 PID 2260 wrote to memory of 3648 2260 Asco Valve Shanghai OrderPO-011024.exe 90 PID 2260 wrote to memory of 3648 2260 Asco Valve Shanghai OrderPO-011024.exe 90 PID 2260 wrote to memory of 1572 2260 Asco Valve Shanghai OrderPO-011024.exe 92 PID 2260 wrote to memory of 1572 2260 Asco Valve Shanghai OrderPO-011024.exe 92 PID 2260 wrote to memory of 1572 2260 Asco Valve Shanghai OrderPO-011024.exe 92 PID 2260 wrote to memory of 1572 2260 Asco Valve Shanghai OrderPO-011024.exe 92 PID 2260 wrote to memory of 1572 2260 Asco Valve Shanghai OrderPO-011024.exe 92 PID 2260 wrote to memory of 1572 2260 Asco Valve Shanghai OrderPO-011024.exe 92 PID 2260 wrote to memory of 1572 2260 Asco Valve Shanghai OrderPO-011024.exe 92 PID 2260 wrote to memory of 1572 2260 Asco Valve Shanghai OrderPO-011024.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.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:2260 -
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\Asco Valve Shanghai OrderPO-011024.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644
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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\nPKNUIybokG.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2908
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nPKNUIybokG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD0D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3648
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C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1572
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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
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD576711f55901a600292d96814177bd2b4
SHA17bc098e217b1bf110ae0bb8e66044e7d3706ea6c
SHA256e1037f0158918c5a73c70b81ad4a5667e5d04bbcdcb627fc7f28ae9d4eb296a6
SHA512e7efa517675a04623d218abdfcfbae4783fc77b28ee72969cb9b5c40347fd708f620851501845296074601e5a2df4bfb94036dcb6ebaa53ac2d116974d8230d7
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD54ce51f79975555f7c32054d62b945367
SHA16d50e2edfbc596d0889d5bbd1fd31da655a80533
SHA2564144f2429013417e5e0977c06db65c0d364ed3e064a5932c2b75eaa7750af8ff
SHA5128e896726f676d9ab9597039e757269f8ed18573d6f1711852a85c074910fde9e2e19734f3f4da06ee3647bebcbfb29e24cc4af7aee6e5615834918207c376b44