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Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
12/12/2023, 14:39
Static task
static1
Behavioral task
behavioral1
Sample
attached final docs.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
attached final docs.exe
Resource
win10v2004-20231127-en
General
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Target
attached final docs.exe
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Size
672KB
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MD5
05bdbf0f45e344ba71847553e4900da0
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SHA1
108de8169c3e3affadabb29a3da9d953efb79c87
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SHA256
7f382cc5928a8adf09033a4412af83f103fe25384f7fb39343344432fc71f8c1
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SHA512
922c275dd6ae6ed21a0a9789343d1848b739ff0dc5d4f0db4f8722b3b5804e0f9061d4ad1a22a7aef83044ed9fa9adbae33014b2df743fa52f364f9f57bd0198
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SSDEEP
12288:2S3IU8S6eUd+qKo5v8XCQNhtFJXuxgOwZ0GPkqxEvYnfgAJ7pArHaBtUzefE:2IItSAd+qKo96vNxZMeA0tHE
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.precise.co.in - Port:
587 - Username:
[email protected] - Password:
Singh@2022$ - 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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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/3400-6-0x0000000005140000-0x0000000005158000-memory.dmp family_zgrat_v1 -
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-1-5-21-3028534956-1709433221-1313273668-1000\Control Panel\International\Geo\Nation attached final docs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3028534956-1709433221-1313273668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3400 set thread context of 2772 3400 attached final docs.exe 109 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4652 2772 WerFault.exe 109 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4720 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 3400 attached final docs.exe 3400 attached final docs.exe 3400 attached final docs.exe 3400 attached final docs.exe 3400 attached final docs.exe 3400 attached final docs.exe 3400 attached final docs.exe 452 powershell.exe 452 powershell.exe 3400 attached final docs.exe 3400 attached final docs.exe 3808 powershell.exe 3808 powershell.exe 3400 attached final docs.exe 2772 RegSvcs.exe 2772 RegSvcs.exe 2772 RegSvcs.exe 452 powershell.exe 3808 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3400 attached final docs.exe Token: SeDebugPrivilege 3808 powershell.exe Token: SeDebugPrivilege 452 powershell.exe Token: SeDebugPrivilege 2772 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3400 wrote to memory of 452 3400 attached final docs.exe 102 PID 3400 wrote to memory of 452 3400 attached final docs.exe 102 PID 3400 wrote to memory of 452 3400 attached final docs.exe 102 PID 3400 wrote to memory of 3808 3400 attached final docs.exe 104 PID 3400 wrote to memory of 3808 3400 attached final docs.exe 104 PID 3400 wrote to memory of 3808 3400 attached final docs.exe 104 PID 3400 wrote to memory of 4720 3400 attached final docs.exe 106 PID 3400 wrote to memory of 4720 3400 attached final docs.exe 106 PID 3400 wrote to memory of 4720 3400 attached final docs.exe 106 PID 3400 wrote to memory of 5072 3400 attached final docs.exe 108 PID 3400 wrote to memory of 5072 3400 attached final docs.exe 108 PID 3400 wrote to memory of 5072 3400 attached final docs.exe 108 PID 3400 wrote to memory of 2772 3400 attached final docs.exe 109 PID 3400 wrote to memory of 2772 3400 attached final docs.exe 109 PID 3400 wrote to memory of 2772 3400 attached final docs.exe 109 PID 3400 wrote to memory of 2772 3400 attached final docs.exe 109 PID 3400 wrote to memory of 2772 3400 attached final docs.exe 109 PID 3400 wrote to memory of 2772 3400 attached final docs.exe 109 PID 3400 wrote to memory of 2772 3400 attached final docs.exe 109 PID 3400 wrote to memory of 2772 3400 attached final docs.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\attached final docs.exe"C:\Users\Admin\AppData\Local\Temp\attached final docs.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3400 -
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\attached final docs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:452
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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\TbuoHeok.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3808
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TbuoHeok" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8EB.tmp"2⤵
- Creates scheduled task(s)
PID:4720
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:5072
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2772 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 14123⤵
- Program crash
PID:4652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2772 -ip 27721⤵PID:4748
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD598cb605f49f3a421fad46a6dfdcde147
SHA1ca3d8275557521baff765bcb5f418df9e66d070e
SHA2568ce0c173229ab8070548680bf40553e7289740c3c48a1518d4d7a9be4e25ca1f
SHA51228ba60cc28405383a15f6ce9798c34cd20311365e31936f9d5971a48c56f3ab5e6cd45761b8ad9854d735abbcb3da3e73f23b81c99c5a2e515fabf3124f48544
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD52b2f5efd1648a492b414c7bf2220aed2
SHA12677e485b3d919bedbab03947a019898a850bbda
SHA25633cfb1a04ff37ecac1550c523bf6264d044ce962d75707e0c633f906a6f1fbce
SHA512a13d05c965efe7b542f2815cc392827c576eb79bf307bdbe4bb10d52d99ae62036ffc32165abd190ca5c0aecb52132e88cb0f5ae7e77b018fbc39250ea450cf5