hxxp://securitypreview[.]zscaler[.]com/abc[.]txt?callback=jQuery36006774269453779806_1698724542880&_=1698724542881

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2023 07:08

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General

Target

http://securitypreview.zscaler.com/abc.txt?callback=jQuery36006774269453779806_1698724542880&_=1698724542881

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 10 IoCs

pid	Process
4576	msedge.exe
4576	msedge.exe
4104	msedge.exe
4104	msedge.exe
2120	identity_helper.exe
2120	identity_helper.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe
1008	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe
4104	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 4416	4104	msedge.exe	65
PID 4104 wrote to memory of 4416	4104	msedge.exe	65
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 1976	4104	msedge.exe	88
PID 4104 wrote to memory of 4576	4104	msedge.exe	87
PID 4104 wrote to memory of 4576	4104	msedge.exe	87
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89
PID 4104 wrote to memory of 32	4104	msedge.exe	89

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://securitypreview.zscaler.com/abc.txt?callback=jQuery36006774269453779806_1698724542880&_=1698724542881
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:4104
- 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,0x100,0x104,0xd8,0x108,0x7ffb6fe146f8,0x7ffb6fe14708,0x7ffb6fe14718
  2⤵
  PID:4416
- 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=2132,6898473475913770901,16074434701998639047,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2224 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4576
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,6898473475913770901,16074434701998639047,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
  2⤵
  PID:1976
- 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=2132,6898473475913770901,16074434701998639047,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2664 /prefetch:8
  2⤵
  PID:32
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6898473475913770901,16074434701998639047,131072 --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=3292 /prefetch:1
  2⤵
  PID:2924
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6898473475913770901,16074434701998639047,131072 --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=3280 /prefetch:1
  2⤵
  PID:1700
- 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=2132,6898473475913770901,16074434701998639047,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5188 /prefetch:8
  2⤵
  PID:1880
- 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=2132,6898473475913770901,16074434701998639047,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5188 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2120
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6898473475913770901,16074434701998639047,131072 --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=4012 /prefetch:1
  2⤵
  PID:1784
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6898473475913770901,16074434701998639047,131072 --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=5200 /prefetch:1
  2⤵
  PID:2456
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6898473475913770901,16074434701998639047,131072 --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=5508 /prefetch:1
  2⤵
  PID:2412
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6898473475913770901,16074434701998639047,131072 --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=5332 /prefetch:1
  2⤵
  PID:3900
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,6898473475913770901,16074434701998639047,131072 --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=1964 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3560

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
0629525c94f6548880f5f3a67846755e

SHA1
40ef667fc04bb1c0ae4bf2c17ded88594f0f4423

SHA256
812576f4a24f399abbd54b83ba7f404f021d4a7d2ec0fd2f988ebf4cbf8477ee

SHA512
f74d2e4a65a152f46852eb78dd70a958fdfb8c14e060ca41ffa783b7362e44659cc5fc73f59f3edb1f1d817000b85de7c1860512aa65d937eb5a0a8d9e5890fa

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

Filesize
111B

MD5
285252a2f6327d41eab203dc2f402c67

SHA1
acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

SHA256
5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

SHA512
11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

Filesize
5KB

MD5
51835a78fab38a897b284a0d5d1de2b1

SHA1
9eeb871ad2820cebd2c6b2fb7743411b6ba4ea30

SHA256
ba0469d748fa1fd9ec594d28a6ea050e020ebc490e7158b4897b8e4e4e72bba5

SHA512
5bb185cc0b7213861072595a664258f737a34338b74bd559368fbe424ffc0b6d37292301426e395120cfc9bd4a53c246ba37c0fac31a36da2a1c535a22ddf39a

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

Filesize
6KB

MD5
9c2cf0a527d12deb1f4e25346ecd6d5c

SHA1
0a1463225cd2c87c08db61b9b3926a8db21d3147

SHA256
59d57a7d98375ea778b2f41a0fe957e3190eec5a900848921ebee8c0e455ae18

SHA512
7e792624a343b75ddf9bcd78a3a4e797ff1e0d7ba1a764ed1bd9c84aa670ce71b70a518b6a9ab24fe857ea9f26d78864e1014c53cdb42845ebde193411979960

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

Filesize
24KB

MD5
fd20981c7184673929dfcab50885629b

SHA1
14c2437aad662b119689008273844bac535f946c

SHA256
28b7a1e7b492fff3e5268a6cd480721f211ceb6f2f999f3698b3b8cbd304bb22

SHA512
b99520bbca4d2b39f8bedb59944ad97714a3c9b8a87393719f1cbc40ed63c5834979f49346d31072c4d354c612ab4db9bf7f16e7c15d6802c9ea507d8c46af75

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
10KB

MD5
5497b0fd7aa9ba6a0b0dbd16ee0ffb54

SHA1
367106e7f63eae8dec61657697da005f7177fba2

SHA256
24803eb0682c83c17b43fab0a1974ac89c8a4ec8dfbda4b26cc64a7d6ebc8727

SHA512
48d2aa6efed78fbc1eeb76fb8725ab9a8baef107bddc90c2dd984e71d4d615fa4ffd17971bd73e3bf566f9f630782bf884e15d62069509b8fdb2599f522bd979

Download Submit