Analysis
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max time kernel
95s -
max time network
98s -
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 01:41
Static task
static1
Behavioral task
behavioral1
Sample
CG230511007 double ring.pdf.exe
Resource
win7-20240903-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 3320 powershell.exe 4172 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-1-5-21-523280732-2327480845-3730041215-1000\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 4996 set thread context of 716 4996 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 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 -
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 1028 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4996 CG230511007 double ring.pdf.exe 4172 powershell.exe 4172 powershell.exe 3320 powershell.exe 3320 powershell.exe 4996 CG230511007 double ring.pdf.exe 3320 powershell.exe 4172 powershell.exe 716 CG230511007 double ring.pdf.exe 716 CG230511007 double ring.pdf.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4996 CG230511007 double ring.pdf.exe Token: SeDebugPrivilege 3320 powershell.exe Token: SeDebugPrivilege 4172 powershell.exe Token: SeDebugPrivilege 716 CG230511007 double ring.pdf.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4996 wrote to memory of 3320 4996 CG230511007 double ring.pdf.exe 94 PID 4996 wrote to memory of 3320 4996 CG230511007 double ring.pdf.exe 94 PID 4996 wrote to memory of 3320 4996 CG230511007 double ring.pdf.exe 94 PID 4996 wrote to memory of 4172 4996 CG230511007 double ring.pdf.exe 96 PID 4996 wrote to memory of 4172 4996 CG230511007 double ring.pdf.exe 96 PID 4996 wrote to memory of 4172 4996 CG230511007 double ring.pdf.exe 96 PID 4996 wrote to memory of 1028 4996 CG230511007 double ring.pdf.exe 97 PID 4996 wrote to memory of 1028 4996 CG230511007 double ring.pdf.exe 97 PID 4996 wrote to memory of 1028 4996 CG230511007 double ring.pdf.exe 97 PID 4996 wrote to memory of 716 4996 CG230511007 double ring.pdf.exe 100 PID 4996 wrote to memory of 716 4996 CG230511007 double ring.pdf.exe 100 PID 4996 wrote to memory of 716 4996 CG230511007 double ring.pdf.exe 100 PID 4996 wrote to memory of 716 4996 CG230511007 double ring.pdf.exe 100 PID 4996 wrote to memory of 716 4996 CG230511007 double ring.pdf.exe 100 PID 4996 wrote to memory of 716 4996 CG230511007 double ring.pdf.exe 100 PID 4996 wrote to memory of 716 4996 CG230511007 double ring.pdf.exe 100 PID 4996 wrote to memory of 716 4996 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:4996 -
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:3320
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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:4172
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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\tmpDF63.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1028
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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:716
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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
MD5f5b77f0c69daa55dfa44c191d5f0ba5b
SHA139b41a6ffeb8c511d92bb3dd2ad87707ac732b2f
SHA256d6aa22b1bf1f9a3acd8dc0e8278f40918be46bfd85ad519a63adb6bf0bde606f
SHA512b9ccbc7e70cc459a827e8e45535e78386e966b4b7fa81b0b4e165e9479ddc2e5834fed286dfd51367e655b052a4892a0c7b7618e6765abf86bf9613eae9fa8e5
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD51aa41d3c6689e6825d18bfdf378a22d4
SHA1d4afa4714b491ec9f017295cfb6fcd3d3ce2acd5
SHA256decef75b30e5ba1fd1cc5f037a94cc010f08df791cfcba4df9d8279a60c3a036
SHA512ad78b2e67a7ebfafc153e00710e7a86243170ae5d98354f0a10f481e0fdff832e8979d22687b9b448d8b93a9b160d63bb3b02645dc3f6c3c8d250cadcbbc2167