Analysis
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max time kernel
40s -
max time network
49s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-06-2024 13:39
Static task
static1
Behavioral task
behavioral1
Sample
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe
Resource
win7-20240221-en
General
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Target
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe
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Size
1.1MB
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MD5
1a838c9f467cdc7804418b288595338e
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SHA1
5e89201a28803287a67bf11a7045e711b83758a1
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SHA256
59b4c6293d3b0c1340df2e3e1ad4713f5d5e95e2585a58962936f69a641227a3
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SHA512
41fb2ba04b72e1931aa8adb5435b57019cfb00a5aaad3dd92d5a917fbd36c530d51de31f166ddf5ff1e7182e47609101a4dabeee96ad6d69996ee49499c46121
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SSDEEP
24576:RmgyC5o2GSO6hVceaqIUobQW3xlN3r7UBSEezCCnD/eEo2Ll:Rv3e2dhV9cUobL3LN7INCDdo2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.coperwire.com - Port:
587 - Username:
[email protected] - Password:
dU?QG2)^646T - 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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 2348 powershell.exe 3228 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation Scan-TNB-#2024393_SNB-4427394_13-06-2024.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
Processes:
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exedescription pid process target process PID 4776 set thread context of 536 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.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 6 IoCs
Processes:
powershell.exepowershell.exeScan-TNB-#2024393_SNB-4427394_13-06-2024.exepid process 2348 powershell.exe 3228 powershell.exe 2348 powershell.exe 536 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe 536 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe 3228 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exeScan-TNB-#2024393_SNB-4427394_13-06-2024.exedescription pid process Token: SeDebugPrivilege 2348 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeDebugPrivilege 536 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exedescription pid process target process PID 4776 wrote to memory of 2348 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 4776 wrote to memory of 2348 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 4776 wrote to memory of 2348 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 4776 wrote to memory of 3228 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 4776 wrote to memory of 3228 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 4776 wrote to memory of 3228 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 4776 wrote to memory of 2772 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe schtasks.exe PID 4776 wrote to memory of 2772 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe schtasks.exe PID 4776 wrote to memory of 2772 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe schtasks.exe PID 4776 wrote to memory of 536 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 4776 wrote to memory of 536 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 4776 wrote to memory of 536 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 4776 wrote to memory of 536 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 4776 wrote to memory of 536 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 4776 wrote to memory of 536 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 4776 wrote to memory of 536 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 4776 wrote to memory of 536 4776 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"C:\Users\Admin\AppData\Local\Temp\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4776 -
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\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2348
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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\KZtbuXSWhNL.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3228
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZtbuXSWhNL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7B0C.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2772
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C:\Users\Admin\AppData\Local\Temp\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"C:\Users\Admin\AppData\Local\Temp\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:536
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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
MD5a03eab2a4a6f1d737d13d2245a97b424
SHA16ffc417d746d8e076c5056ec606628724f826aee
SHA256b1eeb0c448cd830fe2efc2b6ac773629ecc416511940759701a4546a403a6bd2
SHA5127ecb8f8f4d81882d52eccc46611e6ef8d62eb7786ef888d1711a42916fed550e4c32b5f50411d47c1824d29f77cb7304ed06cc306d03d453d51009417ce9f423
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD597edbdf22e6d0dcb83bc44407cd894eb
SHA1cf0cdc3aeddec66f494b42ea40258263b059efa6
SHA2567a6756a3d4a0ff623ecdb4cfdbb18497fba074f7b13fa23f901698c57488cd13
SHA51223c8e8350ee45a0618d1dea474334ed376c43c0db08767d92275a39b2ac16e8b44230e1012cdb496a71b8c3955096135ec08c9ca12be937a9ec0f1949640e157