Analysis
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max time kernel
125s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2023 03:12
Static task
static1
Behavioral task
behavioral1
Sample
1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe
Resource
win10v2004-20231130-en
General
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Target
1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe
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Size
696KB
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MD5
b212315bbfa4a9c69eecd4712b47a7f1
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SHA1
f3690e7f673cb3d479442f20167ee643e82a802b
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SHA256
1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7
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SHA512
6ce59dd85054a5b6713418bee5368a356e4989b9007d585ff8ab148ac413d2c1db7f9012ab558e5466d400f92d970f5eba71f969890e382f665f223a1ef14973
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SSDEEP
12288:kil5nF8+Vdqrlb8B5XlfO45dh7D2JPXNwMrKcFedsft40080A13AjJIEN:tlbqhb8BXF5dhOXWst4008l+lIA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.issltd.org - Port:
587 - Username:
[email protected] - Password:
iss123 - 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.
Processes:
1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Control Panel\International\Geo\Nation 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exedescription pid process target process PID 4728 set thread context of 460 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe -
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 7 IoCs
Processes:
1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exepowershell.exe1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exepid process 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1640 powershell.exe 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 460 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 460 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1640 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exepowershell.exe1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exedescription pid process Token: SeDebugPrivilege 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe Token: SeDebugPrivilege 1640 powershell.exe Token: SeDebugPrivilege 460 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exedescription pid process target process PID 4728 wrote to memory of 1640 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe powershell.exe PID 4728 wrote to memory of 1640 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe powershell.exe PID 4728 wrote to memory of 1640 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe powershell.exe PID 4728 wrote to memory of 3600 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe schtasks.exe PID 4728 wrote to memory of 3600 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe schtasks.exe PID 4728 wrote to memory of 3600 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe schtasks.exe PID 4728 wrote to memory of 460 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe PID 4728 wrote to memory of 460 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe PID 4728 wrote to memory of 460 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe PID 4728 wrote to memory of 460 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe PID 4728 wrote to memory of 460 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe PID 4728 wrote to memory of 460 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe PID 4728 wrote to memory of 460 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe PID 4728 wrote to memory of 460 4728 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe 1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe"C:\Users\Admin\AppData\Local\Temp\1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4728 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyEvKVcNpye.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1640 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyEvKVcNpye" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9710.tmp"2⤵
- Creates scheduled task(s)
PID:3600 -
C:\Users\Admin\AppData\Local\Temp\1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe"C:\Users\Admin\AppData\Local\Temp\1ac1161060a6e0e5e56ca582e5e5609d629d7570c95ac78a30abc0580ca415e7.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:460
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5222446af830fbf9ffa9d911ef66da004
SHA1049b86751e213b933961ba8cfd5e333a58ee7231
SHA2568483683c5743af81077ebdbd6c275f16f926f0eefc2b97f37e82b524952fdfc9
SHA512f3c73a0daad7adfdfcc562c6858c584d2d8fd88ad8c8a8b8731d145932c15ffb64edd01d63c02a77cc95aab83f25cce5e3fe84cff92d33bc297661187e138f34