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Analysis
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max time kernel
153s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
22/09/2023, 14:55
General
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Target
DOC73287284262.bat.exe
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Size
527KB
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MD5
7957ee20f42e7158e0fd2cd73e17b436
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SHA1
aed7c6736ede54b4d4eda9ff3cbb8e510eef2a88
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SHA256
48e030cc0ca1af0e027949d1f16b86226e352065d9bf5eba4ca7719efe61b0cf
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SHA512
853ceb5c1465ff9ec2df913f898710795517f5ca7b787dc63e9b9483d72785311f954e886659dc7592ce74269b65fe93e958ffde4935cf2cc7625217dc0f8fff
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SSDEEP
12288:wuvgIb5G6uxzXlsjuapg2dKhtjWHmYZeIwEw:Zu52gDbYS
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
Chibuonyenze8888 - 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.
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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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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).
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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 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 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\DOC73287284262.bat.exe"C:\Users\Admin\AppData\Local\Temp\DOC73287284262.bat.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DaumicSuB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC32C.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\DOC73287284262.bat.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
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Filesize
1KB
MD574efac8fe813e3be198185c8d1377588
SHA16044074e4a83b6dccaa83fd9134caaa9de8addc7
SHA25698f3ea91a965378353ec16b45e1ffc133f3d5c0bc5e7f2923afd9945afa95859
SHA512cc57ed231c9e07a5768cce1a6982c123c6c0109fa0cea07234240d8d4e4796c82bf99290ac0d979a71f7e9a5ea9dd4e86d8bb65f066e1ebf9b0478fe46261901
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Filesize
64KB
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Filesize
624KB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
344KB
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Filesize
48KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
496KB
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Filesize
264KB
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Filesize
5.6MB
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Filesize
7.7MB
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Filesize
552KB
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Filesize
264KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
408KB
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Filesize
320KB
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Filesize
7.7MB
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Filesize
64KB