hxxp://castomarmor[.]xyz

General

Target

http://castomarmor.xyz

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

msedge.exemsedge.exeidentity_helper.exe

pid process

1644 msedge.exe
1644 msedge.exe
4072 msedge.exe
4072 msedge.exe
4120 identity_helper.exe
4120 identity_helper.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

Processes:

msedge.exe

pid process

4072 msedge.exe
4072 msedge.exe
4072 msedge.exe
4072 msedge.exe

pid	process
1644	msedge.exe
1644	msedge.exe
4072	msedge.exe
4072	msedge.exe
4120	identity_helper.exe
4120	identity_helper.exe

Suspicious use of FindShellTrayWindow 25 IoCs

Processes:

msedge.exe

pid	process
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

msedge.exe

pid	process
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

msedge.exe

description	pid	process	target process
PID 4072 wrote to memory of 3596	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 3596	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1212	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1644	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 1644	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe
PID 4072 wrote to memory of 2432	4072	msedge.exe	msedge.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://castomarmor.xyz
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:4072

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=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff76e346f8,0x7fff76e34708,0x7fff76e34718
2⤵
PID:3596

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,9491006538737369154,18092282127025658530,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
2⤵
PID:1212

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=2144,9491006538737369154,18092282127025658530,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2444 /prefetch:3
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1644

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=2144,9491006538737369154,18092282127025658530,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2712 /prefetch:8
2⤵
PID:2432

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,9491006538737369154,18092282127025658530,131072 --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=3224 /prefetch:1
2⤵
PID:1096

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,9491006538737369154,18092282127025658530,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3248 /prefetch:1
2⤵
PID:3988

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,9491006538737369154,18092282127025658530,131072 --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=3972 /prefetch:1
2⤵
PID:4256

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,9491006538737369154,18092282127025658530,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3388 /prefetch:1
2⤵
PID:4820

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2144,9491006538737369154,18092282127025658530,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5400 /prefetch:8
2⤵
PID:2276

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2144,9491006538737369154,18092282127025658530,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5400 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4120

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1272

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
a8e767fd33edd97d306efb6905f93252

SHA1
a6f80ace2b57599f64b0ae3c7381f34e9456f9d3

SHA256
c8077a9fc79e2691ef321d556c4ce9933ca0570f2bbaa32fa32999dfd5f908bb

SHA512
07b748582fe222795bce74919aa06e9a09025c14493edb6f3b1f112d9a97ac2225fe0904cac9adf2a62c98c42f7877076e409803014f0afd395f4cc8be207241

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
439b5e04ca18c7fb02cf406e6eb24167

SHA1
e0c5bb6216903934726e3570b7d63295b9d28987

SHA256
247d0658695a1eb44924a32363906e37e9864ba742fe35362a71f3a520ad2654

SHA512
d0241e397060eebd4535197de4f1ae925aa88ae413a3a9ded6e856b356c4324dfd45dddfef9a536f04e4a258e8fe5dc1586d92d1d56b649f75ded8eddeb1f3e2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
fbbef9aa7d4e4c30229c9e151d7207bf

SHA1
5afc37531f1e33c7b9994e31184de724f40328cf

SHA256
e49448c8da8565ded05e100183d4c2528240767c4a98ceaa46bdc65ac521a94a

SHA512
07ee567a284408389f8f30fc439d0de3ea97f92eac8fa5b4f94e936e1ab7961098f53a6e62aa94a0d3df5d7959e32c735cb29a119f945766f11c0067bc283ee0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
206702161f94c5cd39fadd03f4014d98

SHA1
bd8bfc144fb5326d21bd1531523d9fb50e1b600a

SHA256
1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

SHA512
0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

Download Submit
\??\pipe\LOCAL\crashpad_4072_BHBIIHEMYSOICAOL

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads