Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
24-04-2024 11:28
General
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Target
2024-04-24_ae811bd6440b425e6777f0ca001a9743_darkside.exe
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Size
194KB
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MD5
ae811bd6440b425e6777f0ca001a9743
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SHA1
70902540ead269971e149eaff568fb17d04156af
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SHA256
86e17aa882c690ede284f3e445439dfe589d8f36e31cbc09d102305499d5c498
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SHA512
3617d8e77c221525125778cf64f2525136f7958766f5bed0fd7bfe00e7f738017d2840972acc628e4c3471b93cf6d52ccd619f49bdbbcff824c12cac8e1ea88e
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SSDEEP
3072:a6glyuxE4GsUPnliByocWepiHkZmlkQIQP6fo:a6gDBGpvEByocWeQwLAPm
Malware Config
Signatures
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Renames multiple (625) 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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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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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\2024-04-24_ae811bd6440b425e6777f0ca001a9743_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-24_ae811bd6440b425e6777f0ca001a9743_darkside.exe"1⤵
- 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:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
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C:\ProgramData\B969.tmp"C:\ProgramData\B969.tmp"2⤵
- Checks computer location settings
- 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\B969.tmp >> NUL3⤵
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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\{9867419E-9D5A-47BE-A4E2-04677205B17C}.xps" 1335843172937900002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3716 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.iniFilesize
129B
MD50a47ce4b81a98bfc0c8c950baed6bca3
SHA14c664f8468331b00162de44956a4680e27e6cbc6
SHA25634184bda6f5328f2a2ada5ad4fa71053ea0565e749de6b7c93282262fc1694d5
SHA51279fa7dd7c139ff0e8c824a9579fbb4a96ef5ae1ba716c016700862d3e9b6d7c6edf3784e85aba5dc08f0ca828d83585d09d7eba497ba159444526e4c81ec8393
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C:\ProgramData\B969.tmpFilesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDFilesize
194KB
MD5420c49b1e1069943cd87f9457bf833eb
SHA1171e0c16111a5f0638b87671b19cd4d661710262
SHA2565e81d14131ccfa74bfc4b57cb75c9d6b3a109cc6790294176b2a45709fc24da0
SHA5121f1e512ab7439bad3c16401dc2d71125db165e0d5a90113703b8d714a41b9f5c30faea0b4d68efca8957ff11375cfee71c01b96f868a26cfe049db37dc57ea1d
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C:\Users\Admin\AppData\Local\Temp\{2D23697B-07D9-40D5-8E31-C15B582C8E1A}Filesize
4KB
MD58e4c8cce6de823a598457cc15c949388
SHA14c5db7bce167bd0b3d06623f17e01ca75b6fc7d5
SHA256ab80933b811abac720b11a7c76c258312f07600f1c0be7e32084d495ea9359c0
SHA5126577c93586b818d75119a466a5e574dde5609d9dd8fa9a1f049220f3a468035bd7a0026e2661b421d2cc299001fe322b40f636239859edc189e716d05541459f
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C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2Filesize
4KB
MD5b6af810480d082f531080f72e91a1b97
SHA13d04fd24d962fbff3358ca174772dd7915978a8b
SHA2566404c582ce961e576ce6e7c9c36d2ede641313c208661188d04517fbfad00ece
SHA512f09bd198d59053be70b8198d6834b26d4104c8522875db8b1adef8ff835f636ef157807afeecbe6995d0cbab46be0ea6bbc0b0f6b41c39b7bd9eb05d22d2d8f1
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C:\kZd6jLIwz.README.txtFilesize
449B
MD5c2f46db865b0ba6ef8f9385cf458a56e
SHA10b2f94fcf38ef15f59bb86a3296b7da514b4ac4e
SHA256c25759e6083dd4bf592a6da2063c45def5adc9a6ef2ed15820128a0d838f70fe
SHA5129927b209ca26e3243fac9f003c6af7663ba84405346fbdb66c6f401387cd20ea3f99d63d0858ebdc76f2e6bc722d41e2a1f599bc6f7d97b0687dba95dea31b39
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F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\BBBBBBBBBBBFilesize
129B
MD5d81d8c35e7d484bb7f85c264ed071e3e
SHA1826f6c62281a31b379987a80788a30a2f7b5c572
SHA256eea2d0f74b9b577a485a2dd07b93ac7fd67d4805efb18a43f3effeaa261bea48
SHA512faf2c7de3ac14f6d1d699a640dc65e005c69fb02537306cb572a0d5d939bd11485b03a59bdf125a2b9e3c634d589de964aa481360138a809c5eaf556fb811e11
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memory/8-2873-0x000000007FE40000-0x000000007FE41000-memory.dmpFilesize
4KB
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memory/8-2869-0x000000007FDE0000-0x000000007FDE1000-memory.dmpFilesize
4KB
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memory/8-2868-0x000000007FDC0000-0x000000007FDC1000-memory.dmpFilesize
4KB
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memory/8-2867-0x000000007FE20000-0x000000007FE21000-memory.dmpFilesize
4KB
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memory/8-2866-0x00000000025B0000-0x00000000025C0000-memory.dmpFilesize
64KB
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memory/8-2865-0x00000000025B0000-0x00000000025C0000-memory.dmpFilesize
64KB
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memory/8-2870-0x000000007FE00000-0x000000007FE01000-memory.dmpFilesize
4KB
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memory/2304-2820-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2822-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2825-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2826-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2829-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2824-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmpFilesize
64KB
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memory/2304-2832-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2833-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2834-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2835-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2836-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2823-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2821-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmpFilesize
64KB
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memory/2304-2819-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmpFilesize
64KB
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memory/2304-2899-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2818-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmpFilesize
64KB
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memory/2304-2817-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmpFilesize
64KB
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memory/2304-2898-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2871-0x00007FFC2B8E0000-0x00007FFC2B8F0000-memory.dmpFilesize
64KB
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memory/2304-2872-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmpFilesize
2.0MB
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memory/2304-2874-0x00007FFC2B8E0000-0x00007FFC2B8F0000-memory.dmpFilesize
64KB
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memory/4140-2804-0x0000000002D80000-0x0000000002D90000-memory.dmpFilesize
64KB
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memory/4140-2803-0x0000000002D80000-0x0000000002D90000-memory.dmpFilesize
64KB
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memory/4140-1-0x0000000002D80000-0x0000000002D90000-memory.dmpFilesize
64KB
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memory/4140-2805-0x0000000002D80000-0x0000000002D90000-memory.dmpFilesize
64KB
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memory/4140-0-0x0000000002D80000-0x0000000002D90000-memory.dmpFilesize
64KB