Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
-
submitted
27-04-2024 01:37
General
-
Target
Document.doc.scr
-
Size
194KB
-
MD5
6fd558cf3add096970e15d1e62ca1957
-
SHA1
78e95fabcfe8ef7bb6419f8456deccc3d5fa4c23
-
SHA256
41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898
-
SHA512
fac7efe9b76f9b6a917f8751f5be64ad8e067e5404fe05f3e9d7781ea3661a06c0baaac676a6023eb4a0b7f01bc2bb2d64d572f85aec8ad8de35cc7f106e1fdc
-
SSDEEP
3072:n6glyuxE4GsUPnliByocWepMhJL4BFkTGX:n6gDBGpvEByocWeyhJL4UK
Malware Config
Signatures
-
Renames multiple (320) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Deletes itself 1 IoCs
-
Executes dropped EXE 1 IoCs
-
Loads dropped DLL 1 IoCs
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 2 IoCs
-
Sets desktop wallpaper using registry 2 TTPs 2 IoCs
-
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies Control Panel 2 IoCs
-
Modifies registry class 5 IoCs
-
Suspicious behavior: EnumeratesProcesses 14 IoCs
-
Suspicious behavior: RenamesItself 26 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
-
Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
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
-
C:\ProgramData\275E.tmp"C:\ProgramData\275E.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\275E.tmp >> NUL3⤵
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
129B
MD5eb638bde788e00a9456b505fea0141cc
SHA158af0894061b0e5419f07dc35a1221048875c6a0
SHA25648ae0a0b28dde67f24ff91409893830da6961bd3dfe9f0ad2332d6e2d48edc9c
SHA51219447142994b8eebf942e714cd0a1da04837ff0234194729b72d314f9fe797ee3d311aa621f09e5d2ee0b46b5bb321a2b1fcf913a90c2f8bad7fdba0b97459af
-
Filesize
434B
MD5b4709a56b9d7f431da172316cda720be
SHA1d2132f7129a7003ec4c0392f0f08cd24ea353da6
SHA256192d1e6078570865531e8a4c9840a483c4a2ac35fe468107284991f6da813191
SHA512e390d51e95db5e56c666a2895dc87dab41d97e7ce3c0df1f2466abf14a651167232521ab5f52746d16bab0ef14e6c0ee9dcfe29894604d695b0d064909378227
-
Filesize
194KB
MD5ca6e788389363d1e2d1324a97d1ff0cd
SHA1d1c7efb2a8d3f6fa24395233eb21b37241cb28e2
SHA2565aa6f10ef487e0b52566b6abaffa5d5749f6b06186eba1eee183d5e5a9430655
SHA512268c8141df7ca1d97864c44784c6e59c727ad9355012c1d19d48dc843af21879a82bebd945eee4310173b155db90556be783735bf72dcdcf533d062972f9daca
-
Filesize
129B
MD5bb3f89b3630c3159b9d4358e1edeba04
SHA15e09e36d16e25ed4601e39d0763d3aa87b71e615
SHA25677650cc113aa13e5ad4d988745920aa31d5dadc90988bde43ff3ecedda6da785
SHA512b6dd6828f9f91a32caf50fee4f88bc37917749e75043d260e8684ec2a719edecb8ebcd275ba17d902140bcf7abd08d011d6dc3d725aef0448f0151fa5f80e8ea
-
Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
256KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
256KB