Analysis
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max time kernel
36s -
max time network
39s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-08-2024 23:52
Static task
static1
Behavioral task
behavioral1
Sample
RBX Alt Manager.exe
Resource
win11-20240802-en
General
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Target
RBX Alt Manager.exe
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Size
3.8MB
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MD5
131932e4f1709c336a48394d010b839d
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SHA1
03a63f9e44f317606361017c49982fabbcc84ae3
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SHA256
348fd64bb5a77cece920aadaf8adc583d662342d84b2e1b42773c95a12cd658b
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SHA512
3dcef7db833b7a318d092712d34edb8ecee1e9727ca2abc9ed2114a2473048a4e95c3e37ed15f2749bf3e79582abe77b4c78d1b8a07a6df78a9b216fd43d965b
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SSDEEP
98304:V2bT1QzcmapX3TJcKGFjyPkqXf0Fk7WpW7:+QzWNdcKbPkSIk7yW
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1812 3028 WerFault.exe 79 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RBX Alt Manager.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RBX Alt Manager.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4352 msedge.exe 4352 msedge.exe 4856 msedge.exe 4856 msedge.exe 4888 msedge.exe 4888 msedge.exe 2088 identity_helper.exe 2088 identity_helper.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
pid Process 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4972 RBX Alt Manager.exe -
Suspicious use of FindShellTrayWindow 26 IoCs
pid Process 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe -
Suspicious use of SendNotifyMessage 12 IoCs
pid Process 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe 4856 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4972 wrote to memory of 3028 4972 RBX Alt Manager.exe 79 PID 4972 wrote to memory of 3028 4972 RBX Alt Manager.exe 79 PID 4972 wrote to memory of 3028 4972 RBX Alt Manager.exe 79 PID 4856 wrote to memory of 2268 4856 msedge.exe 86 PID 4856 wrote to memory of 2268 4856 msedge.exe 86 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 1196 4856 msedge.exe 87 PID 4856 wrote to memory of 4352 4856 msedge.exe 88 PID 4856 wrote to memory of 4352 4856 msedge.exe 88 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89 PID 4856 wrote to memory of 3336 4856 msedge.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\RBX Alt Manager.exe"C:\Users\Admin\AppData\Local\Temp\RBX Alt Manager.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4972 -
C:\Users\Admin\AppData\Local\Temp\RBX Alt Manager.exe"C:\Users\Admin\AppData\Local\Temp\RBX Alt Manager.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3028 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 13523⤵
- Program crash
PID:1812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3028 -ip 30281⤵PID:1852
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffe42623cb8,0x7ffe42623cc8,0x7ffe42623cd82⤵PID:2268
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1936 /prefetch:22⤵PID:1196
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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=network.mojom.NetworkService --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2352 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:4352
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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=storage.mojom.StorageService --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2556 /prefetch:82⤵PID:3336
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3168 /prefetch:12⤵PID:4696
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3184 /prefetch:12⤵PID:2344
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4752 /prefetch:12⤵PID:2060
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4852 /prefetch:12⤵PID:2704
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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=chrome.mojom.UtilWin --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5076 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:4888
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C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe"C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5524 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:2088
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5316 /prefetch:12⤵PID:460
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3432 /prefetch:12⤵PID:4596
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1928,17848115118535043108,13971716504245924482,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4900 /prefetch:12⤵PID:1596
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2552
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3540
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2756
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5bf8ce65cfc62532eec96eab3d6608293
SHA1e26750d57f1bfdbc6814b5628aa2b28b98342f55
SHA25629e07eeee794292ee69851f9c37378fb047e81454d108d8214bb8f48e72d6e42
SHA51279864889c3df670b09b057b2e3c420d2a265875c4a6a1ba03630dcac154cacae06ac2cd1759bbe7a21b2863aadf4da8588739aa88d17fd2b627898f6e0e9379b
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Filesize
152B
MD54bf4b59c3deb1688a480f8e56aab059d
SHA1612c83e7027b3bfb0e9d2c9efad43c5318e731bb
SHA256867ab488aa793057395e9c10f237603cfb180689298871cdf0511132f9628c82
SHA5122ec6c89f9653f810e9f80f532abaff2a3c0276f6d299dce1b1eadf6a59e8072ed601a4f9835db25d4d2610482a00dd5a0852d0ef828678f5c5ed33fe64dddca9
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Filesize
152B
MD5b4ae6009e2df12ce252d03722e8f4288
SHA144de96f65d69cbae416767040f887f68f8035928
SHA2567778069a1493fdb62e6326ba673f03d9a8f46bc0eea949aabbbbc00dcdaddf9d
SHA512bb810721e52c77793993470692bb2aab0466f13ed4576e4f4cfa6bc5fcfc59c13552299feb6dfd9642ea07b19a5513d90d0698d09ca1d15e0598133929c05fe1
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Filesize
5KB
MD51d7ea0441e6e4e182aa701daedc2f466
SHA150662190278cff3596d395b4c8dd5e92caff67a8
SHA256a75b8521e3a7857f6ce101df15f07ec175170442b26d37fc9324f5ef93bd3648
SHA5128454a7c1c9f048da9420e0c46ee049fecdf0951af55e6243ec62f638eed2165b15533c2c7ef412f9dbb929ff8617f41b8340b1300b27e510ac1ca25348442e76
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Filesize
5KB
MD56c7f0673a76b9b0b9abdf6a727485262
SHA1ccb505894dec942bac99fbe9d47c9aa6d2b5ed1d
SHA2560f5cc747cdae944824c937f3ec4e5f0511f53a256b981537aadce3fbea94e380
SHA512ef265cb0860c0fb6b1b2d2f234863c361e40ee1ae933b3ee1bfbc0599ba32f505980b8f1b0a3537b788ca3bbd29d2a05462cdff6c1207e55b7bd072e5a606a1c
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Filesize
5KB
MD526d91b22d0d54df2b94e71756059c04b
SHA1c6c3af2a67441d923d554c749eabf0a26cd372c3
SHA256164bf6b2284eff47dfac606feece283709d33975f9fdb59b7f99cc60ff43ac8a
SHA51240123692556c0074853288d1c916c18cf42d4a83ee1435496879beea99c879b207c47cae55f218b88af408d0bb971383f425c8e6c21743ac8ab12c7d2f5cfe23
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389
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Filesize
11KB
MD50e745d5d0b6b25dd29fb6d09f5d92c85
SHA1c27aa95c06a7dcdb38cd59711cc6e715fdd9d6b2
SHA25687564dd723081bc26aac4bdd4b1cb3f976021a5ab7dd77f7f278647b0e813b3d
SHA512d73f5bac56912a1c6a983f9747eabdb3fe59ffb93732735135991a3305cba30e06074603d554c1af1f430a1dfe83097ea41c43fa0b503f86dbca48550325a42c
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Filesize
11KB
MD56df317995fe8586021163a7b96530ba2
SHA16a0ef3c3ffb91312692f66de1122bf0c4d04ae45
SHA25657825b7ae6034222bb0eff39c9cc4771094d5d702862a467d57e91f425531601
SHA5129e8dd2e6fdb9a52afa62cdb75a6c44890cb76019a1c0f23a241ed8ca20c34170bb3e46e56fb6aeda583d1f2ce58aafb55fbe74ebb3598b43a176a8f512621737
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Filesize
264KB
MD5f50f89a0a91564d0b8a211f8921aa7de
SHA1112403a17dd69d5b9018b8cede023cb3b54eab7d
SHA256b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
SHA512bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58
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Filesize
307B
MD52a40dbc9b944150983d9e1fc489660bf
SHA16ddc216f371c65d0c9a0aa740dec5a2dc52bd425
SHA256ce43e6b7695d95fe16a61fed950a40e86b8b7179ae15af812375b8b2b15c7899
SHA51212a1aa7fee2629d6d215c16199b7e267b28e0f405a1b014e97db584d371e629e1619804a3c09c7d45cb09fb9d76a0dbaf55bcb4374c807f5916db9d54bff3bb0
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Filesize
2KB
MD53af58cc4ea567ff23275857a7662903b
SHA114cc53e5aaf65da4315436c9b85768ae04e94569
SHA256b19b7fdd8aa951e1ad15cf5f2c901f1c0a2c9b86a87added6268a72c97d1aa88
SHA5126d277743a1ac3fd520aa3e9dc2d3b6c8346d7f0dc2742ed716ae55ebd660e1cbe9bb754639cbda0d31561982bb89efd44c2328f382c27eb092339d0709dad253
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Filesize
933B
MD5083c9613bea87bb1dcbf9bfee2c666fe
SHA17d310e72288eb118f3930664f835028084d999bf
SHA2561480054437115d21b16e161d0b58bb8670831abf2aa5f21fc59b46afc01dbef9
SHA512c9163d1802c5b53fe5fd57fa3ecc7e37d082fd6cb6d31fc98b8fe045ff422ee54cd0ebc43848cf823795f41aaaf0bd9cc775f652ed5bf7822bed49e66c69f360