Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
14/03/2024, 10:43
General
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Target
Enq.xll
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Size
643KB
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MD5
0ed458621a0e75e9dac09b9cf00b909d
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SHA1
02f07b3badc63785cd66b181657322f851d3b0c2
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SHA256
7a6f8590d4be989faccb34cd393e713fd80fa17e92d7613f33061d647d0e6d12
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SHA512
2cb0a297922a609ccbebe3bd64ba8aa7560e2440753c0c39da545cb78248050d1bb0b98b92dd9e013ead850a7087882296bb464e7f639e8c5456b0955f9f9ac9
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SSDEEP
12288:pn/zDvGHAykHSzLW/4+8bzbBSreMdbhgFK/UqWgmrMqir:NzbGHAzHAjX1CcLgYi
Malware Config
Extracted
agenttesla
Protocol: smtp- Port:
587 - Username:
yg�wt%�HIDHd�@CFHn�FE\s�Y^UK.�SP[ - Password:
9�TU������
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 3 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 2 IoCs
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Suspicious use of SetWindowsHookEx 8 IoCs
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Suspicious use of WriteProcessMemory 3 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:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Enq.xll"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\service.exe"C:\Users\Admin\AppData\Roaming\service.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5240 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
75KB
MD5e69b554e1fa16a09cb7f306b40248939
SHA15f1546807bad5d8b34f57c431592d9882a5edcd5
SHA256edc132613d495c261e850a336ed2dc34913564f7e2f71c3a597b367853ea1ece
SHA5124022ec6ec39c7f15b86fdf4d8047a26f40ba42718a1dc1d88f4c9959b7f4fa6f852005c3137def3aa4cba31923372a1a303940be58cd6f6989f79d01666e2d6f
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Filesize
81KB
MD555578414c0cc5a11038ed54831299c42
SHA131b7a4c9afb775c5ce6c882f7debf199d798438b
SHA25694f2027fef4d459a1b46ad248cb4d48af7f0943bf0cfa58d13c62c670443d4c7
SHA512cb50e0d8006a58e3b5f803e5f850df4c5b16ff8b5e8ad282896dcad8845467d19b69dc0c41c229b681adb91cfae78f55309c06d93e4a2c166f584cd8d6e72898
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Filesize
216KB
MD559b496a8ac6c38dad931d4bfb071e74b
SHA18444c61041b3b2844aac3c5477929f2723859eb0
SHA256ab5444f001b8f9e06ebf12bc8fdc200ee5f4185ee52666d69f7d996317ea38f3
SHA5125a1dae0a3a84a677a71b43ac2e423983078945a962a34c4ec735cadc86a0a966762c65c701f6efbda4a21f358004d63063ca93ff4881e79d0599334f160a41de
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Filesize
10.8MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
748KB
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Filesize
112KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
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Filesize
240KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
-
Filesize
10.8MB
-
Filesize
64KB
-
Filesize
64KB
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Filesize
2.0MB
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Filesize
10.8MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
248KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
624KB
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Filesize
96KB
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Filesize
240KB
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Filesize
5.6MB
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Filesize
408KB
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Filesize
584KB
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Filesize
320KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB