Resubmissions
20-03-2024 09:55
240320-lxzn8sdh94 1020-03-2024 09:53
240320-lwzb3sef3x 1018-03-2024 09:01
240318-ky38dadf6s 10Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
18-03-2024 09:01
General
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Target
160c97289764c37afe1a11f72537e95843a9c37a9c5fa02e1046f6b002315021.exe
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Size
153KB
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MD5
213838221c47c1d5fd11f7eaaf65865c
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SHA1
e0444a48c57f1b4a4a46e363bbd421c50f3deca7
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SHA256
160c97289764c37afe1a11f72537e95843a9c37a9c5fa02e1046f6b002315021
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SHA512
4b17e26f911a1d7fe853ec163d571d86d55944e484fbe4f66718dd3dd2060e8b8502e4df6cbf13b21ad8645eac860ec91266a93aa176d4891b7ef43a40b5e220
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SSDEEP
3072:M6glyuxE4GsUPnliByocWep+EE2GLTlsuGb:M6gDBGpvEByocWeBGLTlWb
Malware Config
Extracted
C:\HRnGQ8jks.README.txt
lockbit
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
http://lockbitapt.uz
http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion.ly
http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion.ly
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion.ly
http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion.ly
http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion.ly
http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion.ly
http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion.ly
http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion.ly
http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion.ly
https://twitter.com/hashtag/lockbit?f=live
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Renames multiple (704) 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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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 5 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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\160c97289764c37afe1a11f72537e95843a9c37a9c5fa02e1046f6b002315021.exe"C:\Users\Admin\AppData\Local\Temp\160c97289764c37afe1a11f72537e95843a9c37a9c5fa02e1046f6b002315021.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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\8B0B.tmp"C:\ProgramData\8B0B.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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\8B0B.tmp >> NUL3⤵
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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\{AEE5F921-A616-4B45-B0B9-05DAC63EC0A0}.xps" 1335522612726200002⤵
- 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
Loading Replay Monitor...
Downloads
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Filesize
129B
MD5a84a586a5020f1f1eab43f53829ed975
SHA1059644884b997c33dff49f762d45b06927261a70
SHA256666d45a082c6808da3e1d6e4946a7099ef49a1e72fa4bbd67b3140568cf43c24
SHA5123cb684a8145f3d814786142e9adf30b9056bd36d0d264b1d88e217f494423e617c5eccbff5a7b3b74c51f4fc5809b5872534116ae9ad902f95b264e19feb2ce6
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Filesize
6KB
MD5af20deba9d3a3a336dd5a93e6a58f185
SHA15de4175569aedec8864020c6482334daaad8f3f9
SHA256c9ebd1e7c141f9056fac48eba7d802d08a6b4e192b596d8306e357baebd53c70
SHA51274369a52ad6c0953661245a5d04bc7a3233acaf6e64772083268c6171c829cfbad2cd12e7687b2e5d01f10fbfaf261651ece5603fb56fa7566774b83bbbf77b8
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
153KB
MD59651b7630575e3385e46268168105433
SHA1c88261478f2ea7c9f41e2843732b9417f28d53f5
SHA256ae13d610a04c138988bf7e61151ef43c63335bbad6c1d520a3eb33c3b317aacd
SHA512acdc348a4a2703720d4a3acc97474f39072dd099b3e22d6094cb19ceccd87043d8ad9e353ec54a88fba02c0810d2e188cc607416d51aafe67ae71332c0e53a56
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Filesize
4KB
MD59c5c88f79a9ff8bf7cd64929b7e9fdc2
SHA129d214c42651d3d80ab2b109b02b63a69dc0002c
SHA25654ae424c2399ba39dbcdad9ab6cc04667f2c392be2f9395782744a4c4f3c8635
SHA5126c2bc210f20f9015b2b21241ee527026301e0f3afe74c11aa50b331b58db5a9fdb2402c94dd33865d107c1cd7fe2cb687a8824eea4231b4dd08cd62872e98811
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Filesize
4KB
MD5188e75f04fa606c433f6f24cd4f2bf46
SHA16b9ae5cc47351b0a26a5620a32dcc069619d0fd8
SHA25690ce0430f037da69aa1535c14a59b68ac59a748f49b5e5a67723026dc4139bef
SHA512084596c5fe872e5e8159565d54de6b93c9c184daff9cf59d9e41d754daa919a8f971003d1f01612cd4e8fb84d062c6e1d92fb6b2fee11caa42342f4a0fe66d63
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Filesize
129B
MD57623282cd94ffdb13f38c73937df88a8
SHA174ac2fffe7374d0233d7f15a800f20b14e07621e
SHA2568cff5ba75c4c1b1332013cdece98cb0683816183740d8894e0d2369790512ba6
SHA51237f8cbdbff46e0659f823d49e7362b118483a99792195c3c849d806f0e761ee531254ed0d7446c4d80d0090a4a9b1c00385e70fb52e0dbb49546e7c03f731c7e
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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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
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB