hxxps://app[.]coworkhealth[.]io/company/20867/invoices/67420

Analysis

max time kernel
300s
max time network
247s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

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

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General

Target

https://app.coworkhealth.io/company/20867/invoices/67420

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\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 10 IoCs

pid	Process
6128	msedge.exe
6128	msedge.exe
5780	msedge.exe
5780	msedge.exe
5700	identity_helper.exe
5700	identity_helper.exe
3348	msedge.exe
3348	msedge.exe
3348	msedge.exe
3348	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe
5780	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5780 wrote to memory of 2996	5780	msedge.exe	83
PID 5780 wrote to memory of 2996	5780	msedge.exe	83
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6100	5780	msedge.exe	85
PID 5780 wrote to memory of 6128	5780	msedge.exe	86
PID 5780 wrote to memory of 6128	5780	msedge.exe	86
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87
PID 5780 wrote to memory of 1272	5780	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://app.coworkhealth.io/company/20867/invoices/67420
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:5780
- 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,0x100,0x104,0xd8,0x108,0x7ffa127d46f8,0x7ffa127d4708,0x7ffa127d4718
  2⤵
  PID:2996
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,1354177172183874255,5420432399479874279,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
  2⤵
  PID:6100
- 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=2172,1354177172183874255,5420432399479874279,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2356 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:6128
- 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=2172,1354177172183874255,5420432399479874279,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2860 /prefetch:8
  2⤵
  PID:1272
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,1354177172183874255,5420432399479874279,131072 --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=3300 /prefetch:1
  2⤵
  PID:4404
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,1354177172183874255,5420432399479874279,131072 --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=3316 /prefetch:1
  2⤵
  PID:4556
- 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=2172,1354177172183874255,5420432399479874279,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5368 /prefetch:8
  2⤵
  PID:2364
- 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=2172,1354177172183874255,5420432399479874279,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5368 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5700
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,1354177172183874255,5420432399479874279,131072 --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=5028 /prefetch:1
  2⤵
  PID:3148
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,1354177172183874255,5420432399479874279,131072 --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=4704 /prefetch:1
  2⤵
  PID:3812
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,1354177172183874255,5420432399479874279,131072 --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=3576 /prefetch:1
  2⤵
  PID:3380
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,1354177172183874255,5420432399479874279,131072 --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=5528 /prefetch:1
  2⤵
  PID:1988
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,1354177172183874255,5420432399479874279,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3648 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3348

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4624

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
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\Code Cache\js\index-dir\the-real-index

Filesize
72B

MD5
7d9f0d42ec62cb274169d10c418d8373

SHA1
dc025ed01914c3a8a0407f9bd4672797fc5aa984

SHA256
9862e26261b7a2e2d435d686c746edf779f7fa50c247af69c40da8051314d88b

SHA512
1935938b7de6c1a860ab51308013c5c72cd9bcdc6b749089ff776d9c35c80610d0ff004759b0bb0e1a695604fa2817f57325038a26a003326264794aa1081944

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
111B

MD5
807419ca9a4734feaf8d8563a003b048

SHA1
a723c7d60a65886ffa068711f1e900ccc85922a6

SHA256
aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631

SHA512
f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
582B

MD5
59b4f938ff35f9b645e820f393b582d3

SHA1
3c9a8d9847a11637d5434fa455534b6f4bd27fd5

SHA256
c0011e371f024300ecf48027941527e7862e1c496ca463bb3bc7a423735e4501

SHA512
58783c49972dac05a682da03734b43f4bc65e630086de2ffda071bcd2e9291ce2ed300bdbb6f624be8f063ba281c43465daf6c6a233b38afa0963e5366b253d7

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

Filesize
5KB

MD5
42fe6b9988cb2dd58de53076d48ecdff

SHA1
d7690d298ad80106a4b606870a0c73132cb89857

SHA256
711558f6883662a50081130cf438c5441b0e6c9fd6db63431267ae98375ba1c0

SHA512
d16ca5f8c5b60523a71826051a5b2cae1b56d262def6415fd18f1fcf2b939a932019ea78e3e9b7401f85e2392efc521f2aaf2a4effb6c05f3bc07cd48364b131

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

Filesize
6KB

MD5
403b1a0a350f5596dfefad70b3402b85

SHA1
6e688719083a3500afe7697063b316da472101da

SHA256
e0e3884d517072efe24b5707901f57780a9ba73426ee9e83735f8af889c6beb8

SHA512
dbe96577394432f214a011df6d4fb9f9853be26c84bd21d9b021a6c7ca7860c496313d26a62c536a27f3e587a845c9497c6c032532f7d1f028b994bca221882e

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

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

Filesize
11KB

MD5
bbfe39e4f10c2de06d82e1b89a3c4382

SHA1
991b5ac2070f9683428ea54eed6e188d4a15dcc9

SHA256
f92a3b4c5f24a1e7b0d1a881359f43bba94939f1ce769d621dbf82f650ea7992

SHA512
53d50190d84a6a0d3c554a60b82b9582a5325b861302ae3722d1ea850af168370733200248f9b1469130bc716cfaf2f5e1c125fb1c1ab3cded7c5d2aa3efbae7

Download Submit