Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
19-12-2024 03:55
General
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Target
c506ac55f61aac8aa988bf1d584988cc27faaa3ffd6a97625f5dc8f6debf9c93.exe
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Size
1.8MB
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MD5
4a9d3b5099ab214c2fc1ede02bb06bfe
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SHA1
a6e91b1ea99d9c531f0f42ac42782eb8bd499103
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SHA256
c506ac55f61aac8aa988bf1d584988cc27faaa3ffd6a97625f5dc8f6debf9c93
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SHA512
5c0c09f1f2db034188e42daf14778a30000128e5226ea7200b221de405493cdc98d4b60de2211de785497016f0f85cbdb7b4686c147f412d5cca974bbb26b588
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SSDEEP
24576:bjbWLm0aiTvjFoAU56Q9409g9gp/tXVwdGh1hrXvYKsN1UM2aVr8uLsst6UoQGgV:bHrirMlphWGXD8J59nowXJPU
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\c506ac55f61aac8aa988bf1d584988cc27faaa3ffd6a97625f5dc8f6debf9c93.exe"C:\Users\Admin\AppData\Local\Temp\c506ac55f61aac8aa988bf1d584988cc27faaa3ffd6a97625f5dc8f6debf9c93.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\Q7RQ32PGE79T63FKR33D.exe"C:\Users\Admin\AppData\Local\Temp\Q7RQ32PGE79T63FKR33D.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\7ZJ6XL1BWOCFIO1P0AJGCA4WED50.exe"C:\Users\Admin\AppData\Local\Temp\7ZJ6XL1BWOCFIO1P0AJGCA4WED50.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
2.7MB
MD5b02d86ff1695f8c3faf80f6e5cd1b8bf
SHA1aaf7bc27106152a25b5ad8ce4c643f4def00bfe8
SHA256ff283c5f3e854c82dcfb4ea631f5f68496fb1654d025b5f3acfae5318c5ed088
SHA5124c219352d2555f183b143ec875f7944c622d1f5fdd5969caf46844e537fd8852c0309e9d9d0cadc55e151bda2cc49eff2d8bb2d84e81ce5261f2e0f474fc7098
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Filesize
1.7MB
MD551501deb706a509a1dec7745ecf713e3
SHA17a925e2f3231498ab0cbd8cefe9b475fbab5f58b
SHA256fe72e6a8775634e7d76adecf570a2866a81714d3e3d7be6174c8fefb327f2f0b
SHA512cae65b34492e2c8413bcc19448697bd8c76e685046b60ecc65b313a49e4d7f9e9df24f0593f4691cffca1d8c7e9bc077bb2df7918767614b2172167bdc847476
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Filesize
4.9MB
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Filesize
4.9MB
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Filesize
4.4MB
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Filesize
4.7MB
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Filesize
4.4MB
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Filesize
4.7MB
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Filesize
148KB
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Filesize
4.7MB
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Filesize
4.9MB
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Filesize
4.7MB
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Filesize
4.9MB
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Filesize
4.7MB
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Filesize
4.7MB
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Filesize
8KB
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Filesize
4.7MB
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Filesize
4.7MB
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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