Analysis
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max time kernel
116s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 18:58
General
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Target
payment against your invoi.exe
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Size
499KB
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MD5
eadb9c9fbe400eeb9a6dfd465f116498
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SHA1
32fc1cfedec2ec886bcd9562cdce99f2414af041
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SHA256
7ef89eedb2b94ba182361208dc6fc31bd1dd3e378e0c5ba28a137996764a2de7
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SHA512
dfc20697f28b9fab1fd33f22b6d5398f2ca5cc442bcce2db6e548d993eb8424d6bce34d883a29ddc5b78d69b4d5b2600a6fdc9c3d097b8cb50d07a064cee3eb2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.trip24now.com - Port:
587 - Username:
services@trip24now.com - Password:
Services@123#
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
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Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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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). 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 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\payment against your invoi.exe"C:\Users\Admin\AppData\Local\Temp\payment against your invoi.exe"1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OxqIQfPx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB788.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\payment against your invoi.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\payment against your invoi.exe.logFilesize
599B
MD5a56b1681d95f33a909d6f34c33f706fb
SHA1e996e63f53e9041910f84a4246085c7e76d8ea37
SHA2567d87bc567d369a8c708b33966c428845d44ce433d2a6445ca4ccf6449482b3a7
SHA512f0d7998ccb520c7229f95ed26a714b07e6a87c16d097546751f7a0f61678b0abb3fbfcc0caa8eba66fa19c09ad659f89475f0f071f3b249bd1bee07a7cd665a2
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C:\Users\Admin\AppData\Local\Temp\tmpB788.tmpFilesize
1KB
MD5e95beb85a59c704f42f0bf7e23888a33
SHA195491f50563800cc0cc419b06c2a6f7720cac0af
SHA256c60532a45e689b255949d9c735729ac0d2c8babaa63c91ab20aa9e27f68cdb46
SHA5121556f9a2960ad8e3f348614dc5be8bac05f757dbaad5a909174b4c1c6b22028f3b4bef5e5a7e5267f38c913c5c33cf1d3e85e3c57faa42f0123996aa58d8aa1d
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memory/2332-137-0x0000000000000000-mapping.dmp
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memory/2332-138-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2332-140-0x00000000069B0000-0x0000000006A00000-memory.dmpFilesize
320KB
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memory/2332-141-0x0000000006CB0000-0x0000000006CBA000-memory.dmpFilesize
40KB
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memory/4580-135-0x0000000000000000-mapping.dmp
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memory/5108-130-0x0000000000710000-0x0000000000794000-memory.dmpFilesize
528KB
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memory/5108-131-0x00000000056D0000-0x0000000005C74000-memory.dmpFilesize
5.6MB
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memory/5108-132-0x00000000051C0000-0x0000000005252000-memory.dmpFilesize
584KB
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memory/5108-133-0x0000000005260000-0x00000000052FC000-memory.dmpFilesize
624KB
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memory/5108-134-0x00000000077D0000-0x0000000007836000-memory.dmpFilesize
408KB