Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
26-10-2024 12:58
General
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Target
1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2.exe
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Size
194KB
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MD5
b7b4c97132d03eead1fa9a9352dee6c2
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SHA1
c9eb1bdc528076fa9c91668addf0723294ac1575
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SHA256
1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2
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SHA512
cb0023bc6783a94a27d2d4a67c214e8657fd334d1a94a7dba51277363dee2a67e7ecc5fc0788cead1c4e0e2dc7d9aa758203f89dce162184869d20a44d171903
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SSDEEP
3072:v6glyuxE4GsUPnliByocWepXKD0/9Wy1Og/ZK99r:v6gDBGpvEByocWehKD0/EWfg3
Malware Config
Signatures
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Renames multiple (339) 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 3 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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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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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\1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2.exe"C:\Users\Admin\AppData\Local\Temp\1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2.exe"1⤵
- Loads dropped DLL
- 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:\ProgramData\C9D4.tmp"C:\ProgramData\C9D4.tmp"2⤵
- 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\C9D4.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD5a142521bbe486027e5ee8abc5168d474
SHA115fe5f3851fa42af2de366c5472a363b55925223
SHA25602f098b72bf7c066f931384e0a73a93a3758a3aad781a72cb03fd7978618a40f
SHA512f17227ad4deb43f3f671856cc274d83a9a5ef17265c6e0d79c1ff8dcb1f738fa9c3fc54c751defe9f606d641c77d05ab6ef495be6f8e84c52742e6e3ed32a9c9
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Filesize
194KB
MD51cf69f86654640d37fbef98305c4687d
SHA15f1e83970a61319f803030719baee750cfd875a8
SHA256cb5681465fe898a2fd3225c04d24b49a99296815a0734539707d8b8f8f0de4db
SHA512ec919dcf95d37dc4a42ce60b5cfbf61ceb601ff1eac8c307bcdd1e3cdbc49e6be73f32ab00e5fbfbb6abaa85f68c25b71fec8da7f28e5142bcdbe3d59a4ec981
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Filesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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Filesize
129B
MD52cb7a51587fe2c95fd7dda5ac0ec3f69
SHA1a981a95b0be54bd1b6dba08efef8221df643a9c4
SHA2562d5026cc9ff564c70b22a21b772f875c04070ab112c7d6f42ed730312bea3373
SHA5121a58b49f352d2c12161d5461d814355313ddf57a87f940cb82640ac645814e9a3a274d1b294db32ef0df5d18c07dcdb9472b580c19fdf5119ef3c40038725d7d
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
256KB
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Filesize
256KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB