hxxps://s[.]buzzcast[.]info/g/1FgAq

Resubmissions

09-07-2024 13:21

240709-qln6ksxekb 1

09-07-2024 13:08

240709-qdjk5avhkr 1

Analysis

max time kernel
33s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09-07-2024 13:21

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General

Target

https://s.buzzcast.info/g/1FgAq

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

pid	Process
4224	msedge.exe
4224	msedge.exe
3864	msedge.exe
3864	msedge.exe
2236	identity_helper.exe
2236	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 884	3864	msedge.exe	82
PID 3864 wrote to memory of 884	3864	msedge.exe	82
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 3000	3864	msedge.exe	83
PID 3864 wrote to memory of 4224	3864	msedge.exe	84
PID 3864 wrote to memory of 4224	3864	msedge.exe	84
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85
PID 3864 wrote to memory of 3660	3864	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://s.buzzcast.info/g/1FgAq
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:3864
- 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,0x100,0x104,0xb4,0x108,0x7fff7b4746f8,0x7fff7b474708,0x7fff7b474718
  2⤵
  PID:884
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,16311835463162047461,13674523896177523098,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
  2⤵
  PID:3000
- 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=2064,16311835463162047461,13674523896177523098,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2240 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4224
- 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=2064,16311835463162047461,13674523896177523098,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2740 /prefetch:8
  2⤵
  PID:3660
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,16311835463162047461,13674523896177523098,131072 --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=3348 /prefetch:1
  2⤵
  PID:4140
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,16311835463162047461,13674523896177523098,131072 --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=3360 /prefetch:1
  2⤵
  PID:552
- 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=2064,16311835463162047461,13674523896177523098,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5136 /prefetch:8
  2⤵
  PID:4308
- 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=2064,16311835463162047461,13674523896177523098,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5136 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2236
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,16311835463162047461,13674523896177523098,131072 --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=4000 /prefetch:1
  2⤵
  PID:4344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,16311835463162047461,13674523896177523098,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5252 /prefetch:1
  2⤵
  PID:4484
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,16311835463162047461,13674523896177523098,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4136 /prefetch:1
  2⤵
  PID:3476
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,16311835463162047461,13674523896177523098,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5632 /prefetch:1
  2⤵
  PID:4656

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
152B

MD5
a27d8876d0de41d0d8ddfdc4f6fd4b15

SHA1
11f126f8b8bb7b63217f3525c20080f9e969eff3

SHA256
d32983bba248ff7a82cc936342414b06686608013d84ec5c75614e06a9685cfe

SHA512
8298c2435729f5f34bba5b82f31777c07f830076dd7087f07aab4337e679251dc2cfe276aa89a0131755fe946f05e6061ef9080e0fbe120e6c88cf9f3265689c

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

Filesize
152B

MD5
f060e9a30a0dde4f5e3e80ae94cc7e8e

SHA1
3c0cc8c3a62c00d7210bb2c8f3748aec89009d17

SHA256
c0e69c9f7453ef905de11f65d69b66cf8a5a2d8e42b7f296fa8dfde5c25abc79

SHA512
af97b8775922a2689d391d75defff3afe92842b8ab0bba5ddaa66351f633da83f160522aa39f6c243cb5e8ea543000f06939318bc52cb535103afc6c33e16bc6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
120B

MD5
d5c14ae105d2949c16f555e47da410d2

SHA1
2875bd2631abbf851f2ca634b66da3f463f1c943

SHA256
20d35079265f5d0c2ee5d9a2f613d97c4531d429a74306a260471c9dd724a30d

SHA512
21c54918f48e8fcd4b845c158cb1d8ee0b6460e808fca443edb3dec263a9b31920c89c079f7d7b8aadaa95fd819badc2505eba071e0dfd87eda5194101ff29e0

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

Filesize
6KB

MD5
4c413eee4619f1ef47b811409e12c366

SHA1
a15f91bd1406b18dfeae47c78b53ab33cb4dcc47

SHA256
44ac8ac06172b9c176af07369aff3138272d83a8113b57b4c770c6c1ce155e6e

SHA512
5b0d2c3c7f611436b8005c2b9dfdc910be72857c95780ec99f7517c5fb1e6d82f331cddd78230b42d40d239c080361e945b854bcbfdb93f275904ebb735dfae4

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

Filesize
6KB

MD5
a5ed236d9aa5e54da65d6de8ece8f5f6

SHA1
c04899a3071bc4581955a3f7e2eba110a96f1bc4

SHA256
f5317aae487b7405897c01ede63e9c79178c0dd871867b489f40c3bffc3003fc

SHA512
c34a41d27a68af93ce3b7b2464c8cab041a15073ef509bedeb282a0af784d35e2db4ad84f73c3af184243b6bb0f34bd54075c90b14bb6922516e35d7e0737543

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

Filesize
6KB

MD5
32bf9116d7cd8f0f3f7962081ffa3d4e

SHA1
d9818203d2c590b3233edb64fa56d8c40d5290f0

SHA256
dc61747269ec7ba02644e80fa49a17158fa53d7835f28989163ad1ef534e1dff

SHA512
527d54f2ddbbdf304ec2e47c2f73f7617150150f83deffb8c380ee55b9c7962da7ebb61fe380f131436617277b6841c764af3cbbdb4d12c5abdd6692e6f9458e

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
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\Local State

Filesize
11KB

MD5
deddd58cf68de19364ee03e71413f6fb

SHA1
09a715e7d59a8077497af02f2116c4d0fc155e95

SHA256
110deaf5ba77d0c5caa69a665c255ca250cd4dc274ce731c8102ebf5858df9e8

SHA512
8d8c07e13ed7ee857d35cd12f6392a2e0d7a9a08381d0bfe529234754cccd03d2a10566cf54e7df4fbce593d415ae15471cea99fc52e1cdfb0100229dbc4d4cb

Download Submit