Analysis
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max time kernel
146s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
02-09-2024 11:30
General
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Target
2024-09-02_7f6830b77ad13b244bc5d702d67137bf_darkside.exe
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Size
146KB
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MD5
7f6830b77ad13b244bc5d702d67137bf
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SHA1
1fbd763388a3e9679ac66b35da8a78e041611fe4
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SHA256
e097f98ea3416330ed2fd7856743d68a7ca880c6d57e8c264a384a112ac5a390
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SHA512
488cb83c7267cfc70989e09489373f4372325531f7c02b1711fbdf6dfeaa377c39b84d5e971136e0e41d0a6dcde52ec4d21a749169eedb9e9ba43eb9caf077de
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SSDEEP
3072:c6glyuxE4GsUPnliByocWep0XL63DjDeprS:c6gDBGpvEByocWeOmuNS
Malware Config
Signatures
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Renames multiple (594) 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 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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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\2024-09-02_7f6830b77ad13b244bc5d702d67137bf_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-02_7f6830b77ad13b244bc5d702d67137bf_darkside.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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\ACAC.tmp"C:\ProgramData\ACAC.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\ACAC.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\{CCE9BBB1-24D7-4866-99BD-3B588F5D3268}.xps" 1336975026707300002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD55d32af71f65b15e27ac3ec4d8886e631
SHA1c0c02627e2becd641a4a59e354439ed5af8d9e4e
SHA25637e64da9cbec29d778923536a1ebb2236abdf04358feb1f3e266121311266721
SHA51278d40d5011e35a50839d4eca9a267830b0d31b1f4ab46e4b42f10f30051a33f5f1ca7cff38bb656b0e80301c50c1ab81e97abd592575488f6232a8c8dffb4397
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD5459c8466a6e108dd3c414b3e1781d208
SHA150d7fd4e64f62c7e8e2d1e387a77246773de16dc
SHA2568e1bd0c4231e457245032dc40ffacee5ee2249d817b9e3b75045d8c9a81b7afd
SHA5121d10a333933ac8fd568ef6edd1d00d831e852235a8854675fdf9de41c4ef92a2c36448caaac148bc90c2b5f8a598469eb7d498f1be44ced997d77c6ce7994d39
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Filesize
4KB
MD5b8426b2bfa2c175cc6eed4c335e4556e
SHA16783ed530a6f9914753839675a8f48d677fbe0f8
SHA2567cbdf748a68ff5321b36e7e4c1878fe612467f0cb25696cf6b596d0699e1c8c4
SHA5126677cdf5e775af6c4e26de9291970fe2c4d8ec32470ed805bc6554115fd0f1b7538dfc97a8e7aaff087ff225f71e87d69c9c73fbea1494704f27012c7bd46a5d
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Filesize
343B
MD572b1ffaeb7de456483f491ecceadb088
SHA1ee1953abc295245ab01f35a4a823883826bf2b41
SHA256eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7
SHA512c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445
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Filesize
129B
MD5e695d0f582e24ca7aac5dc38a57b3c3e
SHA18e1940aa6d6bd6472f3c3f17f0f81d41dac6f546
SHA25666d9e4b3746e2136418d161094660c6c75a4d5a09e9937a1f1093042f5ee7ceb
SHA512d08ebfa67369db7c888521544b5e53bda32682900feb9dd56eba09bf49f9a62cf4b3dd7269eecd090635c63e493ba7f238b7905ccab91845c5d9e0e180edc845
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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
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
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Filesize
64KB
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Filesize
64KB