Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
25-04-2024 03:07
General
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Target
Document.doc.scr
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Size
194KB
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MD5
50e5dec57451005668704281688ca55d
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SHA1
67dd4ac7eb8c193b39149b34d3a0d5bc21c3f200
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SHA256
062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1
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SHA512
29ca4a44795c71d3e2b4e3417355ebb93765157d464d6d5a3fe6774056d934d57081c72001fb29e47982da11e5a5ccfdbcc958d05a11fb49bd8bf84e6d0c61ad
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SSDEEP
3072:66glyuxE4GsUPnliByocWepRGbVZqid91h2ys+tU:66gDBGpvEByocWeubV4inP9B
Malware Config
Signatures
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Renames multiple (338) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 5 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 14 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 WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Document.doc.scr"C:\Users\Admin\AppData\Local\Temp\Document.doc.scr" /S1⤵
- Loads dropped DLL
- 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:\ProgramData\2BD1.tmp"C:\ProgramData\2BD1.tmp"2⤵
- 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\2BD1.tmp >> NUL3⤵
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\$Recycle.Bin\S-1-5-21-2721934792-624042501-2768869379-1000\desktop.iniFilesize
129B
MD56e0de7f42cfa4edfefa3fdb652a9eece
SHA1f71e6a744c412d0d7238e72546d2e34a4de126cd
SHA256781f2c780e2b1e32cf3314e9892b3700d4b465d007115d9e7e4b9acf4989f0a2
SHA512667c08d05db8e41547a89b36c5b2c23de796c1b9fbcae320080472a11911cf1c13aa9fa88d5e2e21d68d9feffc4ee6755d9899caaf0b376fb3fe989c5a691e53
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C:\Qs2QSInbk.README.txtFilesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDFilesize
194KB
MD5faba25b7bb849097ff19a904e02be16a
SHA13cd16eede8178553cadf725e7393b49c109f66b0
SHA256d25da53955f29ce7ddd55db3a913d7ab30e1d272cad8d8397ec9b5e2c0213adb
SHA5125831b610f5e1dbd6efcbda315d163ee991d321a0e4cdea409c7d9fbf055a77ad579f6ee549d38c993f00a268b5abeb5805b78384a215aa784ad6913ed50d16cb
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F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\GGGGGGGGGGGFilesize
129B
MD52a4b5bc73327e15b9d64eca832beee5d
SHA1ded8814dbf9f60ef8d7844c2ac096faabacee101
SHA256a72066387ec8728e9a9f7a33ef104797050cfc7fc1d1ff3a1dbef82c5d26f1d1
SHA512a3ddcf37b44b688beca7f1023131778cdd2b7d707579ab0e18c51f35ecd86ab47f0c177509146173b5cfefaf4914389370882b02b6ffc490458cde9f8c93b2f4
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\ProgramData\2BD1.tmpFilesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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memory/2184-865-0x0000000001FE0000-0x0000000002020000-memory.dmpFilesize
256KB
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memory/2184-864-0x000000007EFA0000-0x000000007EFA1000-memory.dmpFilesize
4KB
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memory/2184-871-0x0000000001FE0000-0x0000000002020000-memory.dmpFilesize
256KB
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memory/2184-873-0x000000007EF80000-0x000000007EF81000-memory.dmpFilesize
4KB
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memory/2184-877-0x000000007EF20000-0x000000007EF21000-memory.dmpFilesize
4KB
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memory/2184-897-0x000000007EF40000-0x000000007EF41000-memory.dmpFilesize
4KB
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memory/2184-898-0x000000007EF40000-0x000000007EF41000-memory.dmpFilesize
4KB
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memory/2856-0-0x0000000000450000-0x0000000000490000-memory.dmpFilesize
256KB