Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:06
Static task
static1
Behavioral task
behavioral1
Sample
anoop-image.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
anoop-image.exe
Resource
win10v2004-20220414-en
General
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Target
anoop-image.exe
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Size
380KB
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MD5
c6a87ef3094310256f6bd31b4042f0d2
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SHA1
66788fdc33456b12d4c143ae3ba7cd177871b2a3
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SHA256
9c96c661ea6c6727f05c88372021bb8abad1fc17cb3e0253eed15d1cd15c1b67
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SHA512
0411e1f5ff3411c0cf31011f7ad4b0a133afafdb6dd37bd25948e22b10134d368a47dea6c79eea929dc9232a8e9d8afa602e286d480849ff84c75123d379e28c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.bnb-spa.com - Port:
587 - Username:
[email protected] - Password:
}iPxp@l#21aE
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2424-135-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
anoop-image.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation anoop-image.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
anoop-image.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 anoop-image.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 anoop-image.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 anoop-image.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
anoop-image.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mymp4 = "C:\\Users\\Admin\\AppData\\Roaming\\Mymp4\\Mymp4.exe" anoop-image.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
anoop-image.exedescription pid process target process PID 1464 set thread context of 2424 1464 anoop-image.exe anoop-image.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 4 IoCs
Processes:
anoop-image.exeanoop-image.exepid process 1464 anoop-image.exe 1464 anoop-image.exe 2424 anoop-image.exe 2424 anoop-image.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
anoop-image.exeanoop-image.exedescription pid process Token: SeDebugPrivilege 1464 anoop-image.exe Token: SeDebugPrivilege 2424 anoop-image.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
anoop-image.exepid process 2424 anoop-image.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
anoop-image.exedescription pid process target process PID 1464 wrote to memory of 5028 1464 anoop-image.exe schtasks.exe PID 1464 wrote to memory of 5028 1464 anoop-image.exe schtasks.exe PID 1464 wrote to memory of 5028 1464 anoop-image.exe schtasks.exe PID 1464 wrote to memory of 2136 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2136 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2136 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2424 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2424 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2424 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2424 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2424 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2424 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2424 1464 anoop-image.exe anoop-image.exe PID 1464 wrote to memory of 2424 1464 anoop-image.exe anoop-image.exe -
outlook_office_path 1 IoCs
Processes:
anoop-image.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 anoop-image.exe -
outlook_win_path 1 IoCs
Processes:
anoop-image.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 anoop-image.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\anoop-image.exe"C:\Users\Admin\AppData\Local\Temp\anoop-image.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\czANYWBxpgCY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE0A.tmp"2⤵
- Creates scheduled task(s)
PID:5028 -
C:\Users\Admin\AppData\Local\Temp\anoop-image.exe"C:\Users\Admin\AppData\Local\Temp\anoop-image.exe"2⤵PID:2136
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C:\Users\Admin\AppData\Local\Temp\anoop-image.exe"C:\Users\Admin\AppData\Local\Temp\anoop-image.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2424
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\anoop-image.exe.logFilesize
496B
MD5cb76b18ebed3a9f05a14aed43d35fba6
SHA1836a4b4e351846fca08b84149cb734cb59b8c0d6
SHA2568d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349
SHA5127631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c
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C:\Users\Admin\AppData\Local\Temp\tmpE0A.tmpFilesize
1KB
MD5692f4af43f7109968d6ab65e948bb2f6
SHA1e64562b59dbbae19c28c21d2a19606e712d7f405
SHA2564c3b4ca862e98de7bec45263f6044c3f4553caaa0704eb491d1667fae2a87576
SHA5121cbf46d7aa41df86ff4940076e5ae6be4ac0bac64e1a85e26f53922f5f8dbe6c2b3ea3e77bcae0a5ffc05d40c452e62ce223a704aa07e1be046e0659bbf70186
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memory/1464-130-0x0000000074E80000-0x0000000075431000-memory.dmpFilesize
5.7MB
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memory/2136-133-0x0000000000000000-mapping.dmp
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memory/2424-134-0x0000000000000000-mapping.dmp
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memory/2424-135-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/2424-137-0x0000000074E80000-0x0000000075431000-memory.dmpFilesize
5.7MB
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memory/5028-131-0x0000000000000000-mapping.dmp