Analysis
-
max time kernel
146s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
-
submitted
26/03/2025, 19:07
General
-
Target
midsommerens.bat.exe
-
Size
969KB
-
MD5
82c3609827fefd1d88fd2857fa788157
-
SHA1
46d27a2faf9c7c731fc9eff3366fdee5412eec00
-
SHA256
8ab69beaddf4e1df506da6f5969e569a985a2bd2293e2c377a85fa6b0cbf0d93
-
SHA512
0bd1fd69646521e11d426d3d2dcccf874e6ff04c3c94f8f1c26e932d69a80fc5efb5cf43952f6885d5765b8f2085fc0704fdc4f01994c113508fb2312363a626
-
SSDEEP
24576:rkTv8oZuuUQoPmhnWyrBK9U6rcIC36shq/XzzRCIALpdLSe:rcvZ8io+hWytKNcR3h+BCIUjSe
Malware Config
Extracted
Protocol: smtp- Host:
mail.luxmozy.com - Port:
587 - Username:
[email protected] - Password:
Luxmozy@Lili9854
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.luxmozy.com - Port:
587 - Username:
[email protected] - Password:
Luxmozy@Lili9854 - Email To:
[email protected]
Signatures
-
Guloader family
-
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
Vipkeylogger family
-
Loads dropped DLL 2 IoCs
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
-
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
-
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
-
Drops file in Program Files directory 1 IoCs
-
Drops file in Windows directory 1 IoCs
-
Browser Information Discovery 1 TTPs
Enumerate browser information.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
-
Suspicious behavior: MapViewOfSection 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
-
Suspicious use of WriteProcessMemory 4 IoCs
-
outlook_office_path 1 IoCs
-
outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\midsommerens.bat.exe"C:\Users\Admin\AppData\Local\Temp\midsommerens.bat.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\midsommerens.bat.exe"C:\Users\Admin\AppData\Local\Temp\midsommerens.bat.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
34B
MD5c5b6ed57c78f93e1200a2b7f05af4d89
SHA1299326b64ab38fc50affed801b2959427e3b3853
SHA25670e7c4f9534d3ef250f0e2ad5cd2b68fba8eccba9e7d311e0c2ed08e6f340d5f
SHA5121895a78aa7c10c0642bbad00f82a5f869a1afa0581ff7d0e3fcd9070789c09d8bee216319ae3f5da5283bd9eb5c82fd8d1076f488f4ecd6b2b63e217f91b6a7e
-
Filesize
11KB
MD5ee260c45e97b62a5e42f17460d406068
SHA1df35f6300a03c4d3d3bd69752574426296b78695
SHA256e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
SHA512a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3
-
Filesize
974B
MD5cf0d40cb4cac4c1e9e9d6a548747a657
SHA1e8b1c248c5193ee83c3850c946143b28d31feedf
SHA256940cc06521d0846be750933fa371a358d8dfbcaba5db141790d5451b7863c460
SHA51291d0f03f260d498a12772667a891c769e51d457308eae82fc2d98e694886ac361799d64bcdc2faa18b1ed18a6b59d4898dc5a7dff5b0cba651dab8645c1a0485
-
Filesize
296KB
-
Filesize
5.6MB
-
Filesize
40KB
-
Filesize
55.3MB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
1.1MB
-
Filesize
18.3MB
-
Filesize
4KB
-
Filesize
584KB
-
Filesize
55.3MB
-
Filesize
5.2MB
-
Filesize
624KB
-
Filesize
7.7MB
-
Filesize
4KB
-
Filesize
7.7MB
-
Filesize
1.8MB
-
Filesize
320KB
-
Filesize
4KB
-
Filesize
1.1MB
-
Filesize
1.1MB