Analysis
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max time kernel
129s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
17-05-2024 14:41
General
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Target
LYUoz7EXa2f53y3.exe
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Size
864KB
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MD5
1274d72e82a4a389f9bd063c4b025bc0
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SHA1
42bcb1cbe89361be9d538dffd2b71429ad7070cf
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SHA256
641fe8dbcfc7cf68d594eda921ce75269e4d3bb74a02b7116facb091020f0806
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SHA512
9699256cd3b4bea5a0230536639a00ae3ee41b6ff3cea851a31bf49d3a33af30a85a21921edd58321d85d3f19fce2b6a9eb95e2231f24da5b0df2e2d4d6ee0cc
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SSDEEP
24576:plv9Wc7NBpneCf6vw3j+7Tx3B4mNJA9fyRvZsAALCvoR:plv9Wc7/peCf6vkjkTn4ky9VLmC
Malware Config
Extracted
Protocol: smtp- Host:
mail.mytravelexplorer.com - Port:
587 - Username:
[email protected] - Password:
43K+H2..0_g^
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main payload 1 IoCs
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ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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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 18 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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: AddClipboardFormatListener 1 IoCs
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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\LYUoz7EXa2f53y3.exe"C:\Users\Admin\AppData\Local\Temp\LYUoz7EXa2f53y3.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\DiExUVCDQV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EC5.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\LYUoz7EXa2f53y3.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- 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
507B
MD5ab4c71d3ff6255edd4e5c1e09540f49e
SHA122e06bf4e258741b5df918061871cba998c50cea
SHA2561690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a
SHA5128fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af
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Filesize
1KB
MD5bedf5bc7fe936564bdd0d960291f66e9
SHA17b1ee7f3e4f7e9728a4da6ba1e36a836e84c3291
SHA25611f935d358442cc194d9a00a3536157cd7876e2497a2decb181dde2a87f8e3d2
SHA512cbe7d662d4255e6cafb821b360104d3982e2f278fdff005edd7e6799db7d8dcc7f90047319a3f184ecb9093ccb13944f8fd41a2cb5ab63c3999f24ca36b5e63a
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Filesize
40KB
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Filesize
672KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
80KB
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Filesize
7.7MB
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Filesize
320KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
272KB
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Filesize
888KB
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Filesize
72KB
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Filesize
624KB
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Filesize
584KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
696KB
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Filesize
7.7MB
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Filesize
7.7MB