Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
18-06-2024 13:19
Static task
static1
Behavioral task
behavioral1
Sample
PO#0094321.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
PO#0094321.exe
Resource
win10v2004-20240226-en
General
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Target
PO#0094321.exe
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Size
689KB
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MD5
e938208917aa519c849d75e33c77214f
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SHA1
ab4a3013de343543309fd80e593ae1e66d4da166
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SHA256
75ae08a3551577bab675fa1b9263e6eb6173be749864b0b073ed535cf57597b9
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SHA512
599562228352a9138f2f9b7131f415739ce75668d8067abd14d8c5edad6329cc716fc848b678d418e99a69491a949d8d571b990e84855bfbfca8f2c27d3e5258
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SSDEEP
12288:t2iNvFIsPAdbMybkIrlZlI/5+cYH2ViL+x8LEvHCqQwQqPbuFz1ycHshxk:t1DIKabOIrlZlu+cViyx8L0H5KFoqg
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
qqvQB2@@@@@ - 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 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
PO#0094321.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation PO#0094321.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MSBuild.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe" MSBuild.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 45 api.ipify.org 46 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO#0094321.exedescription pid process target process PID 1496 set thread context of 376 1496 PO#0094321.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 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 10 IoCs
Processes:
PO#0094321.exepowershell.exeMSBuild.exepid process 1496 PO#0094321.exe 1496 PO#0094321.exe 1496 PO#0094321.exe 1496 PO#0094321.exe 3564 powershell.exe 3564 powershell.exe 376 MSBuild.exe 376 MSBuild.exe 376 MSBuild.exe 3564 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
PO#0094321.exepowershell.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 1496 PO#0094321.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 376 MSBuild.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
PO#0094321.exedescription pid process target process PID 1496 wrote to memory of 3564 1496 PO#0094321.exe powershell.exe PID 1496 wrote to memory of 3564 1496 PO#0094321.exe powershell.exe PID 1496 wrote to memory of 3564 1496 PO#0094321.exe powershell.exe PID 1496 wrote to memory of 800 1496 PO#0094321.exe schtasks.exe PID 1496 wrote to memory of 800 1496 PO#0094321.exe schtasks.exe PID 1496 wrote to memory of 800 1496 PO#0094321.exe schtasks.exe PID 1496 wrote to memory of 376 1496 PO#0094321.exe MSBuild.exe PID 1496 wrote to memory of 376 1496 PO#0094321.exe MSBuild.exe PID 1496 wrote to memory of 376 1496 PO#0094321.exe MSBuild.exe PID 1496 wrote to memory of 376 1496 PO#0094321.exe MSBuild.exe PID 1496 wrote to memory of 376 1496 PO#0094321.exe MSBuild.exe PID 1496 wrote to memory of 376 1496 PO#0094321.exe MSBuild.exe PID 1496 wrote to memory of 376 1496 PO#0094321.exe MSBuild.exe PID 1496 wrote to memory of 376 1496 PO#0094321.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#0094321.exe"C:\Users\Admin\AppData\Local\Temp\PO#0094321.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iTdPrWZP.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3564
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iTdPrWZP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C42.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:800
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:376
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:81⤵PID:736
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD54a80e2d93ece9823efe9b1d83a0e0769
SHA14f152bdacec1d3529d69a6c0e9cf2c360177686b
SHA2562cabc1541ee43eb986d21badc05ae834b67d369f2fb50f1d1a6dc680fb84695c
SHA51298ed2b5a1c76052ac1563551b24f00a34b726b02084eb058bf3ee9504bb46d3fa287cc152a62e54f8b7320f93d68845afc17f04b8fdb58d92375b3c7f05c1889