Analysis
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max time kernel
31s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
19-12-2024 02:25
General
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Target
27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe
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Size
1.8MB
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MD5
62b0972debc28c978b60cdc3d8654e36
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SHA1
639e84e6ad995b796afd315854b2975403f44019
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SHA256
27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a
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SHA512
4cef8fd0acc070d8704ad9cfcb0e1f1df273a514b18a92f7907892e0a053e2695460e57453e84068739c500f0b9032af309f551cb75b2f4bc52f970b291788f6
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SSDEEP
49152:5idxW/+91QTjizfU75bod4nHW4h9L+hDQNLGP96KMc:Cx6+91e9PDp+hyg94
Malware Config
Extracted
lumma
Extracted
stealc
stok
http://185.215.113.206
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url_path
/c4becf79229cb002.php
Signatures
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Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
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Lumma family
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Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
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Stealc
Stealc is an infostealer written in C++.
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Stealc family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
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Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 6 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE 2 IoCs
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Identifies Wine through registry keys 2 TTPs 3 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL 4 IoCs
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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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Windows security modification 2 TTPs 2 IoCs
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Modifies system certificate store 2 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 9 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe"C:\Users\Admin\AppData\Local\Temp\27d7ce1e09a9fd9540e512911df89895ec1dd9cd04c9ccea6228c6b01b2af69a.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\8GF4LBIGLSCWMWC4JT29.exe"C:\Users\Admin\AppData\Local\Temp\8GF4LBIGLSCWMWC4JT29.exe"2⤵
- Modifies Windows Defender Real-time Protection settings
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Windows security modification
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\FLKV4Z68DUB7OK9RQPLKY3W.exe"C:\Users\Admin\AppData\Local\Temp\FLKV4Z68DUB7OK9RQPLKY3W.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
1.7MB
MD55ee16489ab5a0d6cf49a20e9fdae3681
SHA1b531e0dd6cf1ec02f0bebf334e0a8ca286a12cf3
SHA25685e590af5f8e19dd85fd3471dcffb1ea1fa0f6cc3084ef50c6b44f02244e1075
SHA512e923a07668fc965eed5adc066cb1991ce8517bd633348da37f7ae32c46624ef29d3d9d8145bbcad9b2112304387a8b348fe37deb700c384b0185595f64a48bfe
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Filesize
2.8MB
MD5dfc4ac821d77ac74e88a8d6806f3b381
SHA1328c4646185f83623b64acc275314337cb8507af
SHA256f1fa0545bde183d84cb9b24d6635ffb5ab98bd398659e92adcbb5dc90064531d
SHA5125aee1cf473a623a0b6c659a337d1960e395d67c94fc54a230b9b70936f2ad2bf983547f9c76e13ff20c37fb34dd8185cd8e5d96979f91f9749626e6fa902a2fe
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Filesize
5.0MB
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Filesize
5.0MB
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Filesize
4.4MB
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Filesize
4.4MB
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Filesize
4.4MB
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Filesize
4.4MB
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Filesize
4.4MB
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Filesize
4.4MB
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Filesize
4.6MB
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Filesize
4.4MB
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Filesize
4.6MB
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Filesize
4.6MB
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Filesize
4.6MB
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Filesize
5.0MB
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Filesize
4.6MB
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Filesize
148KB
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Filesize
5.0MB
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Filesize
8KB
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Filesize
4.6MB
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Filesize
4.6MB