Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
18/08/2024, 09:41
General
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Target
2024-08-18_14e104b547415ec3f5487eba84a6ec08_darkside.exe
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Size
150KB
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MD5
14e104b547415ec3f5487eba84a6ec08
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SHA1
87f24d0a5a3454ff27b2084f8f7f56a5a447a063
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SHA256
fd1cef0a0d3fa6ba930666430c455424d5eeb2a7eaf1027ffc61935c167cd8b5
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SHA512
151ee246406474ee404cac2b9c1740f106f18a5ea7a72572f7aa7abeee41af0fff0ccda9d2290b08ab33dc8bd3e6c30a0af5068e209b775db31a0c49165bcac1
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SSDEEP
1536:zzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDnQzrUdtgA3ZKjo+WTnU44ETVO1:sqJogYkcSNm9V7DSrUdpioNT4QVO8UT
Malware Config
Extracted
C:\rfcF8SdiJ.README.txt
lockbit
http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion
http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion
http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion
http://lockbitsupp.uz
http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion
http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion
http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion
http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion
http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion
http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion
http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Renames multiple (586) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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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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Drops desktop.ini file(s) 2 IoCs
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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 4 IoCs
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 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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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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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies Control Panel 2 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 26 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of SetWindowsHookEx 13 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-18_14e104b547415ec3f5487eba84a6ec08_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-18_14e104b547415ec3f5487eba84a6ec08_darkside.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
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C:\ProgramData\A3E2.tmp"C:\ProgramData\A3E2.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\A3E2.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{6BDFC9B2-B405-4609-BCF1-F3BFE14CACA1}.xps" 1336844767748000002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD533cc6a9ee130f6d48a9d7c53729cb822
SHA1ff1cbdd1a7d32b781be94c9dd8f4fc66dbaaba7d
SHA2562e19018f093e8db87a2bc9cd84d853c8934cc949bffbbd6aca69d38f72ddb5b9
SHA512d461c4a5e463b1cf5eedc60f2719abe8710a4a7834254496b53379731fd84befe52705b5be4dd9b7875ff9d47f2ff62ff0f57173d3f18f4e2114bc2adb50e469
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
150KB
MD5e01d66962e7ceda8ec305cfc42cc0015
SHA1490e9257010fb27387bbc9cacc25db8267b75053
SHA256196e499fbe7ab55dbf72c8eedab32eb837cee7aca26c16139465c600eeb1db64
SHA5126afd48e6b8bb224b7cded574ae577edf1ee8741cf6bed12bbe4111eb44474882baceb794e394ea73b54b318137d5e2e42e7f1e6369a8c685a1fcae93e54c1b56
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Filesize
4KB
MD5fd402a8f99f7d4ed2f756e71c12b24cb
SHA19eb1a9014e4282799032861d0a19022e4baf9ca6
SHA2562c5ef6f517e2420882887c6a4ad61c85fffe25fc782e9a1e750da4e858cae9e2
SHA5123de3f351783c3c97e537f47f1351dc6cafe0ee0e0d6c2befb9e32a6ec8e8e10724fcda9a71e766917afb47571d97c9107cb24ce0a0f0788441998331417b57ee
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Filesize
4KB
MD50396fa2e3071eed67ccaa50767d415a4
SHA1494e219cba33d63b11f1d0e4be166db645320e54
SHA25612fbe1362d12137d29610952f0484d2c2b59c3719e99d33e93f5b4bfcce4850c
SHA5123a261d8866520e4a24d1680c14599b7451960e559077b9f671924c9fca34ec2d0f3ae2fb6ce034398b04378e3aa2a0dc2d5006a932beb1c89772d40c36202565
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Filesize
3KB
MD5b9674de0868a93e9121bdb1d02d80130
SHA179d692fd03d3110a4358e2cc7442af9517489f3f
SHA2569268d24e96639cf4c0e8d74f9769092b415015692ea528820faaded6fc5b052c
SHA512b3264ad33eddedb2c18da883e2345247c762adc8a604991fce931cba06b86c361d23fa121e79d6c69948a2d5b9c1613139f401b971360d9d684abb5a61543c02
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Filesize
129B
MD50e881007b350a45b8716ed87e4dbb6e5
SHA1be21d50a80caed26c8ec7615a8d8fe455a5cb0d4
SHA2562ec0c045f977cd9a516c93b208fcfcf382cbe61210b472170ad33a09520de139
SHA51291242e694733d7901df5ea6fbd84edbe6fa683d24726ed0bea593c0b85b7ada5597b3830637e99c903fa2b1e067eac5fbbe2d74ab1cdb4af9af7d23b30830847
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
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Filesize
64KB