Analysis
- max time kernel
115s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system - submitted
12/06/2024, 02:55
Static task
static1
Behavioral task
behavioral1
Sample
c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe
Resource
win10v2004-20240611-en
General
- Target c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe
- Size 791KB
- Sample240612-defjmszann
- SHA256 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154
- MD5 c8d9afec59fb4b38c9fbe3bb1a2a5937
- SHA1 cf03154a48369bbe6bc50c8483df5a46668b160d
- SHA512 aa3f71fa58c2a1db0e2d3ef7133c58b60d65ed4f578f3b3ed18a3d39545daf680fceec328fe251d9c3464fd1c5c837572d2b5ef35cd7360ac534d54f246fb1a9
- SSDEEP 24576:yx7C3c6lJC67UFlPgs857LZedc8TVJVWrRPoW0pI4TgtY+VTIC:yBxFlPgn7LUdVfsNgW0G4TgtY+VTI
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
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Username
-
Password
^NpBYBQ0
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
pid Process 4280 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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\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.
flow ioc 13 api.ipify.org 14 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3696 set thread context of 2464 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 95 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2788 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 4280 powershell.exe 2464 MSBuild.exe 2464 MSBuild.exe 4280 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 2464 MSBuild.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3696 wrote to memory of 4280 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 91 PID 3696 wrote to memory of 4280 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 91 PID 3696 wrote to memory of 4280 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 91 PID 3696 wrote to memory of 2788 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 93 PID 3696 wrote to memory of 2788 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 93 PID 3696 wrote to memory of 2788 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 93 PID 3696 wrote to memory of 2464 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 95 PID 3696 wrote to memory of 2464 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 95 PID 3696 wrote to memory of 2464 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 95 PID 3696 wrote to memory of 2464 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 95 PID 3696 wrote to memory of 2464 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 95 PID 3696 wrote to memory of 2464 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 95 PID 3696 wrote to memory of 2464 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 95 PID 3696 wrote to memory of 2464 3696 c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe"C:\Users\Admin\AppData\Local\Temp\c3135de6c77cb9f767977797316659bcc043ca15cca999599c92cd0d7f515154.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HXJRxdSeDm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HXJRxdSeDm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF01.tmp"2⤵
- Creates scheduled task(s)
PID:2788
-
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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:2464
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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 --field-trial-handle=4448,i,8998666007764333392,14724298544432336038,262144 --variations-seed-version --mojo-platform-channel-handle=4464 /prefetch:81⤵PID:3648
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4n3pjz4o.if0.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpFF01.tmp
- Size 1KB
- SHA256 d864393cb81178fb0c7c0b2c2c403b7893253a11553398c2a07b382ab7ea3022
- MD5 3fa112050d466b47a17646d7068a0337
- SHA1 c7fff9dbd55c1da59f6a45e50ab4c467d048cf40
- SHA512 267deee5a655adfc55847c64ae62f45b95d55fee9d41a618d52715287fa294c91d5967912404c29a5d9ae8318796533904ae40e7d6abb9e3e275f26559d804b0
- MD5 SHA1 SHA512