Analysis
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max time kernel
121s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:13
General
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Target
New supplier Inquiry and PO 208203150_ DOC.exe
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Size
563KB
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MD5
c9d35a3fd5c065d1c6e9674b41d4049b
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SHA1
7984a0d06020039e7176ee41d4d05d6b566dd3d3
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SHA256
726e4468c86762527d6fd4ebd9ebd07516e00e58eacf31e572b9f6c463727249
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SHA512
611f6b6c1629668eee90714d6543a7af45e96d17ee0a0d21719c542833e0ba550418781aa1e5b412b86614a91bb545c6baabe796b30cbcff815758b83b07578d
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.marinedepot.pw - Port:
587 - Username:
[email protected] - Password:
ZE(ChcR7
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 10 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 17 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\New supplier Inquiry and PO 208203150_ DOC.exe"C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208203150_ DOC.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\nWzbBJZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA25A.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208203150_ DOC.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208203150_ DOC.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208203150_ DOC.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\New supplier Inquiry and PO 208203150_ DOC.exe.logFilesize
599B
MD5a56b1681d95f33a909d6f34c33f706fb
SHA1e996e63f53e9041910f84a4246085c7e76d8ea37
SHA2567d87bc567d369a8c708b33966c428845d44ce433d2a6445ca4ccf6449482b3a7
SHA512f0d7998ccb520c7229f95ed26a714b07e6a87c16d097546751f7a0f61678b0abb3fbfcc0caa8eba66fa19c09ad659f89475f0f071f3b249bd1bee07a7cd665a2
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C:\Users\Admin\AppData\Local\Temp\tmpA25A.tmpFilesize
1KB
MD5e577f8dd4f5277f29947a50eb27d9561
SHA127d929d21135d9e3d887b3922558b2532b9f07b2
SHA256d6f62b6fbd26b5c201aa87672bc96f4963cd4fcd7cc5392f6d03bc19a36c5395
SHA512e1957aab587a709c4ac313cda70f3130dae45c7a1f2bd7ef6a838d790d5282c3406b4be98279e7e26f657a21c8c9f991aa6e787ff6e0bc114833e06ad6be8c06
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memory/228-135-0x0000000000000000-mapping.dmp
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memory/2076-133-0x00000000060C0000-0x000000000615C000-memory.dmpFilesize
624KB
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memory/2076-134-0x0000000000F90000-0x0000000000FF6000-memory.dmpFilesize
408KB
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memory/2076-130-0x0000000000950000-0x00000000009E2000-memory.dmpFilesize
584KB
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memory/2076-132-0x00000000053C0000-0x0000000005452000-memory.dmpFilesize
584KB
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memory/2076-131-0x0000000005970000-0x0000000005F14000-memory.dmpFilesize
5.6MB
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memory/2128-139-0x0000000000000000-mapping.dmp
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memory/2128-140-0x0000000000400000-0x000000000045A000-memory.dmpFilesize
360KB
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memory/2128-142-0x0000000006970000-0x00000000069C0000-memory.dmpFilesize
320KB
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memory/2128-143-0x0000000006C10000-0x0000000006C1A000-memory.dmpFilesize
40KB
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memory/2600-137-0x0000000000000000-mapping.dmp
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memory/3820-138-0x0000000000000000-mapping.dmp