Analysis
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max time kernel
125s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
12-09-2024 12:56
General
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Target
documento de envio para fatura nº 52-FK-24.pdf.scr.exe
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Size
660KB
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MD5
2f259ff8ae0f320abb13417929e10500
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SHA1
ec02c62d9850589093716dbfb645be6e9aa35b5f
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SHA256
f207f360f60925ba6e949a315ac35e01ef7190993146fdad3aa1d27b2c9bb776
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SHA512
ee4e5a1a9a08cf6aeab8eefe64b0051292614ac07e856d987c99ef1d4836ad6c0a31386b45b319aa56775e0d9e1d25928cf9cadce43c380af8e9e402e9c6bb99
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SSDEEP
12288:7Df8n+GNns0+nZJgcC4eOcth7ZqUlmmN0KHiZ/75S+pO6wtPXHuhkR:Q+ib+Tgvh7UuRCZDNpQ+8
Malware Config
Extracted
Protocol: smtp- Host:
mail.alitextile.com - Port:
587 - Username:
[email protected] - Password:
Myname@321
Extracted
agenttesla
Protocol: smtp- Host:
mail.alitextile.com - Port:
587 - Username:
[email protected] - Password:
Myname@321 - 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.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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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.
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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 11 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.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
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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\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\PWdnQUQIF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PWdnQUQIF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6433.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\documento de envio para fatura nº 52-FK-24.pdf.scr.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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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=4372,i,3239535018877284530,3457823197501312703,262144 --variations-seed-version --mojo-platform-channel-handle=1036 /prefetch:81⤵
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
3Credentials In Files
2Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5ac2fb730de5e7a0b7fdef839d5254a7d
SHA11c88819876eb9b05d45ae083599baf9d8ac4ad70
SHA25656752138fef9e8ef6a13ad8d78ba3b60121c7672820d7476c56349e368561998
SHA51223ea51f4fb20c1890a66dfbfcc0878534c735497486cfc2dcbed72f8f993d62fc5e08f523b7a9cbccbd1b68e0ece4a83bec8cb1d97b626f6491e4a323c18369e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD51cfeed8b36d4dc90ee5a1f3d5cdb95d6
SHA1ac53a3f2bde21145daeb11256cb46356a7416d15
SHA256141811fa45d5b3c8208d7f914e6b5333e8d7d50ca459c77c717d0697595cae25
SHA512a5fd7c88df3bdcdcfac298618976242e4a2ff1e9bfebc7251045cfe21907b05ff9693cabd10a6de956a61a02f7f54cda386f7c0b366639362fb422ea6ade440a
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Filesize
7.7MB
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Filesize
4KB
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Filesize
4KB
-
Filesize
672KB
-
Filesize
528KB
-
Filesize
624KB
-
Filesize
5.6MB
-
Filesize
64KB
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Filesize
7.7MB
-
Filesize
40KB
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Filesize
7.7MB
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Filesize
584KB
-
Filesize
320KB
-
Filesize
264KB
-
Filesize
7.7MB
-
Filesize
120KB
-
Filesize
216KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
6.2MB
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Filesize
3.3MB
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Filesize
32KB
-
Filesize
104KB
-
Filesize
68KB
-
Filesize
6.5MB
-
Filesize
304KB
-
Filesize
200KB
-
Filesize
652KB
-
Filesize
56KB
-
Filesize
304KB
-
Filesize
104KB
-
Filesize
40KB
-
Filesize
600KB
-
Filesize
304KB
-
Filesize
408KB
-
Filesize
80KB
-
Filesize
120KB
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Filesize
7.7MB
-
Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
408KB
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Filesize
7.7MB
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Filesize
136KB