Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 08:29
Static task
static1
Behavioral task
behavioral1
Sample
CG230511007 double ring.pdf.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
CG230511007 double ring.pdf.exe
Resource
win10v2004-20240802-en
General
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Target
CG230511007 double ring.pdf.exe
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Size
698KB
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MD5
4a2d8f6fac5f95fc384c689d9a5927a2
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SHA1
97ad59b9532706d2457eb10f6902b5e2f9442566
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SHA256
44c35217277fbfdde4251ac9c9bad106247b6f5ca5ca0f1dbaf8f3343b364af0
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SHA512
43d2340d3f49c138b9c0f880617f4f730837c8983fa4a254b16ecbaa5dfef38c1643a657cf04962e9897c56fa561ede9181e3be23d24510e8cf9e186bf77cdd2
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SSDEEP
12288:FzjLf30WH0IieBhVpz60zapdl4VOqXEkOdu+VGBecnFj8AzPmZ:djj0yyeb/5+lfk8iFFj8MPm
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 2080 powershell.exe 1660 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation CG230511007 double ring.pdf.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 1924 set thread context of 2328 1924 CG230511007 double ring.pdf.exe 100 -
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 CG230511007 double ring.pdf.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 CG230511007 double ring.pdf.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 4868 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1924 CG230511007 double ring.pdf.exe 1660 powershell.exe 2080 powershell.exe 1924 CG230511007 double ring.pdf.exe 1924 CG230511007 double ring.pdf.exe 1924 CG230511007 double ring.pdf.exe 2328 CG230511007 double ring.pdf.exe 2328 CG230511007 double ring.pdf.exe 2080 powershell.exe 1660 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1924 CG230511007 double ring.pdf.exe Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 2080 powershell.exe Token: SeDebugPrivilege 2328 CG230511007 double ring.pdf.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1924 wrote to memory of 2080 1924 CG230511007 double ring.pdf.exe 93 PID 1924 wrote to memory of 2080 1924 CG230511007 double ring.pdf.exe 93 PID 1924 wrote to memory of 2080 1924 CG230511007 double ring.pdf.exe 93 PID 1924 wrote to memory of 1660 1924 CG230511007 double ring.pdf.exe 95 PID 1924 wrote to memory of 1660 1924 CG230511007 double ring.pdf.exe 95 PID 1924 wrote to memory of 1660 1924 CG230511007 double ring.pdf.exe 95 PID 1924 wrote to memory of 4868 1924 CG230511007 double ring.pdf.exe 97 PID 1924 wrote to memory of 4868 1924 CG230511007 double ring.pdf.exe 97 PID 1924 wrote to memory of 4868 1924 CG230511007 double ring.pdf.exe 97 PID 1924 wrote to memory of 2416 1924 CG230511007 double ring.pdf.exe 99 PID 1924 wrote to memory of 2416 1924 CG230511007 double ring.pdf.exe 99 PID 1924 wrote to memory of 2416 1924 CG230511007 double ring.pdf.exe 99 PID 1924 wrote to memory of 2328 1924 CG230511007 double ring.pdf.exe 100 PID 1924 wrote to memory of 2328 1924 CG230511007 double ring.pdf.exe 100 PID 1924 wrote to memory of 2328 1924 CG230511007 double ring.pdf.exe 100 PID 1924 wrote to memory of 2328 1924 CG230511007 double ring.pdf.exe 100 PID 1924 wrote to memory of 2328 1924 CG230511007 double ring.pdf.exe 100 PID 1924 wrote to memory of 2328 1924 CG230511007 double ring.pdf.exe 100 PID 1924 wrote to memory of 2328 1924 CG230511007 double ring.pdf.exe 100 PID 1924 wrote to memory of 2328 1924 CG230511007 double ring.pdf.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe"C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.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:1924 -
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\CG230511007 double ring.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2080
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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\tjrOWyCGkiBRP.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tjrOWyCGkiBRP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD07F.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4868
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C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe"C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe"2⤵PID:2416
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C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe"C:\Users\Admin\AppData\Local\Temp\CG230511007 double ring.pdf.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2328
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD5256e80f1fb5f2c591c1acb8e3065fe26
SHA138c1d1e10b25e656ffb146f4fa0be454e6ef77d9
SHA256ae3885a3e1611fffa138ff7434ccbfc3c3f08573c6249cf0eddbe4f704bf8e21
SHA512e3eb6fc55379bd987a1407613dc3ab6bcc551751cadca4baa3732a09078cd6111f460767eabb12313095e055b3567231c61d04d6d0b7f1c99139cb0768d56433
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD579d658b7226963085499074f34d0d816
SHA15c6de1079c0b83e9b7111f3ab9902ca32ef5771e
SHA2561b572531e0319c3f883477424e5034d86f8f6deeb4c200e4d3169199df06a494
SHA51212e05ded155bacd3e87b6d50233694507e769a5dc878815dcc9baab4c1ac5b31b5772dc7ba96ce9b5f2df17830163338d068574e36bd570a053035a112cb8937