hxxps://u43262737[.]ct[.]sendgrid[.]net/wf/open?upn=u001[.]-2FDRLz6y1-2F2r4SMdkgDvWI0HKPTyJLP8YLpkhbob0Lan19YqsnuDNIX1tQUU0V3TwoCXY1LMIPQcjhyu0JMWfKoU7U959555KckeTlKYfVMNbsb5PzmAK8Zvf4p6kaAgjuslae8H-2FnhQRb61BqPSP23RCpC4-2F1vo7n4rRKOm6NF4FfGfcQxzQqeHb9nPSY-2F8i5ieEAgdoZuk8ICDAnWsJHnwjv0eaPrubGa8nkQ1lA8ewzCiWD92nPRRPd7W9IRrt

Analysis

max time kernel
14s
max time network
15s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2024, 05:26

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General

Target

https://u43262737.ct.sendgrid.net/wf/open?upn=u001.-2FDRLz6y1-2F2r4SMdkgDvWI0HKPTyJLP8YLpkhbob0Lan19YqsnuDNIX1tQUU0V3TwoCXY1LMIPQcjhyu0JMWfKoU7U959555KckeTlKYfVMNbsb5PzmAK8Zvf4p6kaAgjuslae8H-2FnhQRb61BqPSP23RCpC4-2F1vo7n4rRKOm6NF4FfGfcQxzQqeHb9nPSY-2F8i5ieEAgdoZuk8ICDAnWsJHnwjv0eaPrubGa8nkQ1lA8ewzCiWD92nPRRPd7W9IRrt

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
4260	msedge.exe
4260	msedge.exe
1436	msedge.exe
1436	msedge.exe
3456	identity_helper.exe
3456	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe
1436	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 3388	1436	msedge.exe	85
PID 1436 wrote to memory of 3388	1436	msedge.exe	85
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4944	1436	msedge.exe	86
PID 1436 wrote to memory of 4260	1436	msedge.exe	87
PID 1436 wrote to memory of 4260	1436	msedge.exe	87
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88
PID 1436 wrote to memory of 3728	1436	msedge.exe	88

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://u43262737.ct.sendgrid.net/wf/open?upn=u001.-2FDRLz6y1-2F2r4SMdkgDvWI0HKPTyJLP8YLpkhbob0Lan19YqsnuDNIX1tQUU0V3TwoCXY1LMIPQcjhyu0JMWfKoU7U959555KckeTlKYfVMNbsb5PzmAK8Zvf4p6kaAgjuslae8H-2FnhQRb61BqPSP23RCpC4-2F1vo7n4rRKOm6NF4FfGfcQxzQqeHb9nPSY-2F8i5ieEAgdoZuk8ICDAnWsJHnwjv0eaPrubGa8nkQ1lA8ewzCiWD92nPRRPd7W9IRrt
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:1436
- 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,0x100,0x104,0xd8,0x108,0x7ff8232446f8,0x7ff823244708,0x7ff823244718
  2⤵
  PID:3388
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1960,4541891891241537721,2850927056377025207,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2036 /prefetch:2
  2⤵
  PID:4944
- 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=1960,4541891891241537721,2850927056377025207,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2332 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4260
- 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=1960,4541891891241537721,2850927056377025207,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2972 /prefetch:8
  2⤵
  PID:3728
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1960,4541891891241537721,2850927056377025207,131072 --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=3332 /prefetch:1
  2⤵
  PID:3668
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1960,4541891891241537721,2850927056377025207,131072 --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=3340 /prefetch:1
  2⤵
  PID:3168
- 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=1960,4541891891241537721,2850927056377025207,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5192 /prefetch:8
  2⤵
  PID:4528
- 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=1960,4541891891241537721,2850927056377025207,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5192 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3456
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1960,4541891891241537721,2850927056377025207,131072 --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=4068 /prefetch:1
  2⤵
  PID:3748
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1960,4541891891241537721,2850927056377025207,131072 --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=5268 /prefetch:1
  2⤵
  PID:4828
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1960,4541891891241537721,2850927056377025207,131072 --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=5552 /prefetch:1
  2⤵
  PID:4356
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1960,4541891891241537721,2850927056377025207,131072 --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=5588 /prefetch:1
  2⤵
  PID:4440

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2592

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:344

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
4d6e17218d9a99976d1a14c6f6944c96

SHA1
9e54a19d6c61d99ac8759c5f07b2f0d5faab447f

SHA256
32e343d2794af8bc6f2f7c905b5df11d53db4ad8922b92ad5e7cc9c856509d93

SHA512
3fa166b3e2d1236298d8dda7071a6fcf2bde283f181b8b0a07c0bb8ba756d6f55fa8a847ca5286d4dbabc6dace67e842a118866320ac01bd5f93cccd3a032e47

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
409144db09987e9ac92f07c402d94bd2

SHA1
46292be4e97641f37998b508501459f908f4b805

SHA256
c96c25619e3e1872ec77c76b0a24e32ea8c2f8b2662b7d68d9fd2eb9c5eab9fd

SHA512
50d9ffdd748be9bdb22810456a19f3bcde5d3aa6c35a8480214357f1b6f70be6f80369de249118f2fe1b904e63f6d37c4e2ae5354d1b0404981e7ed6e913f5fd

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

Filesize
5KB

MD5
0ccef8d72cf4519bc7fd414968b6e93f

SHA1
3050a8fe789e296da20a6722d4e92c9d5abafa00

SHA256
77371f5dfb744c4740a423cf3f166dbcb639a90ea035f889da561f687f6f0be6

SHA512
28da1c8a0559d1a43000afe4d14527658d941ce301055c27d7601dc26c0bdf260fe97db321b119eef51f1f6a66f155e7735d1b83e8cd183452372ce0ca60cdae

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

Filesize
24KB

MD5
c2ef1d773c3f6f230cedf469f7e34059

SHA1
e410764405adcfead3338c8d0b29371fd1a3f292

SHA256
185450d538a894e4dcf55b428f506f3d7baa86664fbbc67afd6c255b65178521

SHA512
2ef93803da4d630916bed75d678382fd1c72bff1700a1a72e2612431c6d5e11410ced4eaf522b388028aeadb08e8a77513e16594e6ab081f6d6203e4caa7d549

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
d17bfa254789403c74eae9a49c5803d8

SHA1
987ddb9ca9dbd24caf46c14db9c863019212fbb8

SHA256
268051d507dfcb0878b0db7f1ff2ebc4e5c3a1ba74b567125fd0d929d659a484

SHA512
309b832249e46fec7bb1ecaad5cdf8dab1bef36c78efc2f9f37b7c383aaa8db5b89c35803aba939ea3b7fc1c64e3d1f15de35c3c8b0e0768374fc6d7022cb305

Download Submit