hxxps://fs4[.]fastupload[.]io

Analysis

max time kernel
36s
max time network
38s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19-06-2024 14:04

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General

Target

https://fs4.fastupload.io

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3508	msedge.exe
3508	msedge.exe
2872	msedge.exe
2872	msedge.exe
2788	identity_helper.exe
2788	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs

pid	Process
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe
2872	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 1448	2872	msedge.exe	81
PID 2872 wrote to memory of 1448	2872	msedge.exe	81
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 4112	2872	msedge.exe	82
PID 2872 wrote to memory of 3508	2872	msedge.exe	83
PID 2872 wrote to memory of 3508	2872	msedge.exe	83
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84
PID 2872 wrote to memory of 2900	2872	msedge.exe	84

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://fs4.fastupload.io
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:2872
- 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,0x100,0x104,0xd8,0x108,0x7ffd17b046f8,0x7ffd17b04708,0x7ffd17b04718
  2⤵
  PID:1448
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2044 /prefetch:2
  2⤵
  PID:4112
- 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=2036,9678468195533886119,10807421628522523762,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2128 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3508
- 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=2036,9678468195533886119,10807421628522523762,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1496 /prefetch:8
  2⤵
  PID:2900
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --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=3340 /prefetch:1
  2⤵
  PID:2836
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --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=3368 /prefetch:1
  2⤵
  PID:4340
- 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=2036,9678468195533886119,10807421628522523762,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4848 /prefetch:8
  2⤵
  PID:4508
- 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=2036,9678468195533886119,10807421628522523762,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4848 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2788
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --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=5112 /prefetch:1
  2⤵
  PID:2880
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --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=5096 /prefetch:1
  2⤵
  PID:2464
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --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=3436 /prefetch:1
  2⤵
  PID:1816
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --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=5216 /prefetch:1
  2⤵
  PID:856
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5016 /prefetch:1
  2⤵
  PID:752
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --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=3904 /prefetch:1
  2⤵
  PID:1016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,9678468195533886119,10807421628522523762,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2664 /prefetch:1
  2⤵
  PID:428

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2040

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4684

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
f61fa5143fe872d1d8f1e9f8dc6544f9

SHA1
df44bab94d7388fb38c63085ec4db80cfc5eb009

SHA256
284a24b5b40860240db00ef3ae6a33c9fa8349ab5490a634e27b2c6e9a191c64

SHA512
971000784a6518bb39c5cf043292c7ab659162275470f5f6b632ea91a6bcae83bc80517ceb983dd5abfe8fb4e157344cb65c27e609a879eec00b33c5fad563a6

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

Filesize
152B

MD5
87f7abeb82600e1e640b843ad50fe0a1

SHA1
045bbada3f23fc59941bf7d0210fb160cb78ae87

SHA256
b35d6906050d90a81d23646f86c20a8f5d42f058ffc6436fb0a2b8bd71ee1262

SHA512
ea8e7f24ab823ad710ce079c86c40aa957353a00d2775732c23e31be88a10d212e974c4691279aa86016c4660f5795febf739a15207833df6ed964a9ed99d618

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

Filesize
5KB

MD5
42496baf31520885171847a7228e0811

SHA1
8a44d4460e632ce09e71c4fd03f082fcf501580c

SHA256
3e0ba41798a3cafc880148d93591e1fe79782417f228a8359b97a657bc00db94

SHA512
017da69e8cb1eeeefec58ed25e0196d88c6d3bd9e723391b36e837f2f1ae16c8fd2763bc8e382a23b4c5bf5a85215ac579d78632cb4bdb63462165e52f4cca6d

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

Filesize
6KB

MD5
a39f5d96e41b9bb623684d778200e1cf

SHA1
7a0a98e9d57c22035282aad9fe81da2fa6442917

SHA256
68094403f7cb473a474f27ca671e116bd68b93e795e5ce90a8d27bd4c43a428d

SHA512
3cea79696e9c4cc0e90c32c6b38ef8924b84f291e3723f4cf8ea07b8bc2974d0ea3dab8d9fa36b8b58988dc2e4b3d9bb5550b8b622e0dfa8dde4f53554774bd7

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
8KB

MD5
d224d7bcbb7de3b20b42f404d067365b

SHA1
ce4b517a89b10e9524bbbcc041aba24d936aab46

SHA256
fee553db8c06f2145a879b7bf09a6b252326eaeace0a13815928f5a52dca3127

SHA512
2ac9fafe031d4d512fb15ef7640a0c754e1a5166cc0608b2fefd8caabdeea8776386aa7df0a35d1d59f08f99869fbac4f8b39de7c1a59e2a6f94bb65ee4c45c6

Download Submit