Analysis
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max time kernel
158s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
01-12-2023 09:25
General
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Target
SAF-C161CS-LF-CA INFINEON2000 PCS.exe
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Size
935KB
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MD5
3b339aabaf3bfb3af9d0e0887e554835
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SHA1
bb2d2846e92fd0a4c5e0a2040e74a3c7cfab8d02
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SHA256
9a1a81688bf7f92903009cceb1e592668a04048deebb264dfb5fd6c7c6fdd650
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SHA512
69a49929163d9c6c30630861ceb0e52fa145adfaf1deed43732298d14aabaf7c92ff46af5d14f0bd61a40677534afe63d1aa06599d91273c8846bd368e615871
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SSDEEP
24576:SG+Cw0kXuGN5jQypH+jDhtscbfnbOdVSrKHm9SO:6Cw0QuGN5REhbfbmVPm
Malware Config
Extracted
Protocol: smtp- Host:
mail.medicalhome.com.pe - Port:
587 - Username:
[email protected] - Password:
MHinfo01
Extracted
agenttesla
Protocol: smtp- Host:
mail.medicalhome.com.pe - Port:
587 - Username:
[email protected] - Password:
MHinfo01 - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Adds Run key to start application 2 TTPs 1 IoCs
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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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Creates scheduled task(s) 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
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Roaming\QAJeFu.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QAJeFu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82F6.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"C:\Users\Admin\AppData\Local\Temp\SAF-C161CS-LF-CA INFINEON2000 PCS.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD546c5ad9d6c721b1c4bd0782f1dd4a693
SHA15c73c6a31c1edb93a83061c3c3ead349fefe08c8
SHA256f14f09eabf3ea3bcee0d138f755425a0f9aed9635aa80c7b1e1d65bca653ef8b
SHA51299fc178eb0b43d8c077394a4d97864eb7ae799f8e2bf02078c0a33d8c234bb020ea57e8b2716eb04dcf30b62efd44df1356dc9621c99c9e0090de4aa2e0418c4
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Filesize
935KB
MD53b339aabaf3bfb3af9d0e0887e554835
SHA1bb2d2846e92fd0a4c5e0a2040e74a3c7cfab8d02
SHA2569a1a81688bf7f92903009cceb1e592668a04048deebb264dfb5fd6c7c6fdd650
SHA51269a49929163d9c6c30630861ceb0e52fa145adfaf1deed43732298d14aabaf7c92ff46af5d14f0bd61a40677534afe63d1aa06599d91273c8846bd368e615871
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Filesize
7.7MB
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Filesize
40KB
-
Filesize
40KB
-
Filesize
624KB
-
Filesize
88KB
-
Filesize
584KB
-
Filesize
32KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
704KB
-
Filesize
5.6MB
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Filesize
7.7MB
-
Filesize
960KB
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Filesize
7.7MB
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Filesize
7.7MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
472KB
-
Filesize
7.7MB
-
Filesize
320KB
-
Filesize
120KB
-
Filesize
652KB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
3.3MB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
216KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
200KB
-
Filesize
64KB
-
Filesize
304KB
-
Filesize
408KB
-
Filesize
6.5MB
-
Filesize
104KB
-
Filesize
408KB
-
Filesize
40KB
-
Filesize
600KB
-
Filesize
68KB
-
Filesize
56KB
-
Filesize
80KB
-
Filesize
104KB
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Filesize
32KB
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Filesize
7.7MB
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Filesize
6.2MB
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Filesize
136KB