Analysis Overview
SHA256
8732b3934981357a625f425af08731a6bb5fc00f3a957dd4518de98cf84d08d7
Threat Level: Known bad
The file 2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside was found to be: Known bad.
Malicious Activity Summary
Lockbit family
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Deletes itself
Drops desktop.ini file(s)
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Modifies Control Panel
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-13 00:45
Signatures
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-13 00:45
Reported
2024-03-13 00:48
Platform
win7-20240221-en
Max time kernel
121s
Max time network
133s
Command Line
Signatures
Lockbit
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-1650401615-1019878084-3673944445-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-1650401615-1019878084-3673944445-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\z9VLivqzH.bmp" | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\z9VLivqzH.bmp" | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
Enumerates physical storage devices
Modifies Control Panel
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\z9VLivqzH\DefaultIcon\ = "C:\\ProgramData\\z9VLivqzH.ico" | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.z9VLivqzH | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.z9VLivqzH\ = "z9VLivqzH" | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\z9VLivqzH\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\z9VLivqzH | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
| N/A | N/A | C:\ProgramData\1796.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe"
C:\ProgramData\1796.tmp
"C:\ProgramData\1796.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\1796.tmp >> NUL
Network
Files
memory/3012-0-0x0000000002150000-0x0000000002190000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-1650401615-1019878084-3673944445-1000\desktop.ini
| MD5 | 0817cc220a866ce6a8c20e36be65f928 |
| SHA1 | d8a1786c8969a1dcca72db4e46e8317c03cf4422 |
| SHA256 | 10bf6920a4deefe4458cd6d7f7c73fa03c264f4b856088f792f8c29577898a88 |
| SHA512 | 075834ac463a881512eb3d7e4b71352bf45a55d8c0ece9d4ec49c0ee200f4bb32f5868189b1a38d6ba5cec691660c502779765e59a84eab25907c26698610494 |
C:\Users\Admin\z9VLivqzH.README.txt
| MD5 | db54ef7fcad3bea4d20c8e06f051e2e0 |
| SHA1 | 9bdc405763cb34d3e06f8eeac8fab8807495a15e |
| SHA256 | 10fa497a565b006d336b1c02f9bc1fcb799559d2f2b699cc78dcf5cf3991e6f7 |
| SHA512 | 6ac1283aaeac11611ad6a06aa8ee5bd55a8110e072539407c058c467c52ed255cd152ab9d282ebb460db8b4414e39bffdb3e180943f2311411e19b06b07b059b |
F:\$RECYCLE.BIN\S-1-5-21-1650401615-1019878084-3673944445-1000\DDDDDDDDDDD
| MD5 | f0628149bb0e148b335886c978481467 |
| SHA1 | 6894701a12246c4ad32ab55563b56584137f061a |
| SHA256 | 3792718679a60e153fad3eeab98052760ecb17c2ac897758e7d1cb22f14d1944 |
| SHA512 | ee46766e87eab9ba07b28f7080deb9300a825effc12a27b70a9f0e64f610a4d8be0e91c600f5276b5491ba0f8c01e698dcd12f9d8b912c949c4bac4c7ecad64a |
\ProgramData\1796.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/2908-870-0x000000007EFA0000-0x000000007EFA1000-memory.dmp
memory/2908-892-0x00000000003B0000-0x00000000003F0000-memory.dmp
memory/2908-895-0x00000000003B0000-0x00000000003F0000-memory.dmp
memory/2908-896-0x000000007EF80000-0x000000007EF81000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU
| MD5 | bbd5de6febc728af7a9f8039fcb2442f |
| SHA1 | 52ee04700dbb70e096412917dd45033ffaea0153 |
| SHA256 | 49ea955576b153152372582a0866498e50fbc894d48c658402933926ffd37c81 |
| SHA512 | 3df1d5a1340b5224266efb11d34c32f4acb916fd8facb50bc8030c1770d3d6a64152f115edf119e9cb8f356517264f7458c7c63364f88ac47272c474eb921f99 |
memory/2908-897-0x000000007EF20000-0x000000007EF21000-memory.dmp
memory/2908-903-0x000000007EF40000-0x000000007EF41000-memory.dmp
memory/2908-904-0x000000007EF60000-0x000000007EF61000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-13 00:45
Reported
2024-03-13 00:48
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
155s
Command Line
Signatures
Lockbit
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-2727153400-192325109-1870347593-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-2727153400-192325109-1870347593-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\z9VLivqzH\DefaultIcon\ = "C:\\ProgramData\\z9VLivqzH.ico" | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.z9VLivqzH | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.z9VLivqzH\ = "z9VLivqzH" | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\z9VLivqzH\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\z9VLivqzH | C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_f28a75de3d39b47c7529146ea4195e6b_darkside.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| GB | 92.123.128.161:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.128.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.16.208.104.in-addr.arpa | udp |
Files
memory/2612-0-0x0000000001100000-0x0000000001110000-memory.dmp
memory/2612-1-0x0000000001100000-0x0000000001110000-memory.dmp
memory/2612-2-0x0000000001100000-0x0000000001110000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-2727153400-192325109-1870347593-1000\desktop.ini
| MD5 | 6415508a4eace0407d66957910bf121f |
| SHA1 | 45422a83be67cec21ea199c6fb16489e5007388f |
| SHA256 | cb5f355cc32a9c2ebb946d35246bee7bb93e59bb13b23a2926ffb6974e0d29a5 |
| SHA512 | 3bc1623a8703557882bd0a058e87d430bf258c6a9731f171ec7d98428fb30d0b784a80775edef7fe7b6223347dfd626c00b1efab8853e479fe58dc97a8c19fb9 |
C:\z9VLivqzH.README.txt
| MD5 | 31b33dc2926af4e46899e5bb4568a893 |
| SHA1 | 7098cce13c2430c31f86434dbc7af8f265fdc841 |
| SHA256 | 11e36014dcaa851f35ddd153fb29bfa0f7c2864ef60e6e55ce9884cccc11fe38 |
| SHA512 | f2bdaa4fcdb39afbb8c7a82ec6ee3121705576a68ea9d56d0096bac73c07eff511606e63f860ebe3224df378a60b224640a3d709486a09d58679648342e3af4a |
F:\$RECYCLE.BIN\S-1-5-21-2727153400-192325109-1870347593-1000\DDDDDDDDDDD
| MD5 | 7684b78fd37b870f6d57d39b363d9a15 |
| SHA1 | 7faf010fcc4635faffb3e158a7ce820724842ec6 |
| SHA256 | 3292c118268b5de28e4bdef6550c3310302e2b2927acfbace938d3578dcf0bf1 |
| SHA512 | 97a240280e5f0490445acf88c2532981e5e4ead5b5e58b73efb5cbdb05bd54e01fbc02245a456b1f70246672a1ef31b6ba848954d46c70bfc4f428a2cc5ff95c |
memory/2612-2605-0x0000000001100000-0x0000000001110000-memory.dmp
memory/2612-2606-0x0000000001100000-0x0000000001110000-memory.dmp
memory/2612-2607-0x0000000001100000-0x0000000001110000-memory.dmp