hxxps://rb[.]gy/4r2kw

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
08-08-2023 10:26

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General

Target

https://rb.gy/4r2kw

Score

1^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4304	msedge.exe
4304	msedge.exe
2704	msedge.exe
2704	msedge.exe
912	identity_helper.exe
912	identity_helper.exe
1376	msedge.exe
1376	msedge.exe
1376	msedge.exe
1376	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	672	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	672	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe
2704	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 3284	2704	msedge.exe	15
PID 2704 wrote to memory of 3284	2704	msedge.exe	15
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4812	2704	msedge.exe	84
PID 2704 wrote to memory of 4304	2704	msedge.exe	83
PID 2704 wrote to memory of 4304	2704	msedge.exe	83
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85
PID 2704 wrote to memory of 3628	2704	msedge.exe	85

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,0x100,0x104,0xd8,0x108,0x7ff8d17c46f8,0x7ff8d17c4708,0x7ff8d17c4718
1⤵
PID:3284

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://rb.gy/4r2kw
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2704
- 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=2072,1889957768683031078,4148751822618316486,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2176 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4304
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2100 /prefetch:2
  2⤵
  PID:4812
- 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=2072,1889957768683031078,4148751822618316486,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2832 /prefetch:8
  2⤵
  PID:3628
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --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=3316 /prefetch:1
  2⤵
  PID:1664
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --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=3356 /prefetch:1
  2⤵
  PID:2132
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5012 /prefetch:1
  2⤵
  PID:744
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5296 /prefetch:8
  2⤵
  PID:2844
- 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=2072,1889957768683031078,4148751822618316486,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5700 /prefetch:8
  2⤵
  PID:4520
- 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=2072,1889957768683031078,4148751822618316486,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5700 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:912
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --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:1292
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --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=5488 /prefetch:1
  2⤵
  PID:4428
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --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=5020 /prefetch:1
  2⤵
  PID:4916
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5092 /prefetch:1
  2⤵
  PID:3604
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2072,1889957768683031078,4148751822618316486,131072 --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=4948 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1376

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5108

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4888

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x500 0x4e4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:672

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

Filesize
152B

MD5
b950ebe404eda736e529f1b0a975e8db

SHA1
4d2c020f1aa70e2bcb666a2dd144d1f3588430b8

SHA256
bcc60276d7110e8d002f24d66ebb043c5761e2a4b6ae7854983cef4beacd9bf4

SHA512
6ba228e5b6464c9602db81de8e1189302d0b2aed78a8b06248ccd9f095ede8621fc9d0faed0a7d079b8c7f4d1164b2895c4d0ef99c93cb95bbe210033e40295a

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

Filesize
312B

MD5
b22eeeb3b926d23a4de76b61e671ca5d

SHA1
cef759163d49633c85254cc0b5e8f6c9eca71c6b

SHA256
a53965533bbceb785861d301b660d9633f27dbba3fefb5f000328f286388fab5

SHA512
832529d16004f024288a8f35438fb46560bd9ea6904c5a93f7a5233dd893e0a8e4550e27cafcc6f851273aae1fbbc47dbc5f6ad0e35fd34118e6811597705641

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

Filesize
957B

MD5
49be1aff16b9d5039f85efc71207e929

SHA1
2b32c18a8d2f996bc55b670a686ec1ffafe7336c

SHA256
ef3bb02810a1b5558ce34efeffb431ea69e263d6b7ea9215b24c5d168f641382

SHA512
0b809626c586455ab33d49393d693dbd77d82c9527a908564cd6224bcac198c2170f50fb90a83c7565aef37a9bf608b31d77d81f3e126b415fea916642c8a945

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
02a10f5144752d7df0ba0fb45dd655ca

SHA1
75ee3c7bbfc9e32f561603c48323db69947c991d

SHA256
a67fc0fce42b6da111902ed3ab7b7449fa9b3e4dfafae23d65d8241f0a9d0634

SHA512
16b01d56dd8e2e61fc4bffe42d9b1f45001a1f9157f4218fc40de2a9e4c2554a18c686fb30e343241132666016411403bcb4f90db7c82034486b324a6b46aa7c

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

Filesize
6KB

MD5
e0cb9d1b14ac17f0bbde5b35c584cc68

SHA1
5ba218ea575a2af1d0ae30e0e37452c7823533b5

SHA256
ef05d570eac1dfb7f146d72906009f35836d9c7a52baaf9cdeae7b9006c81637

SHA512
c4c725eb815a3c5ce390582e2ba7b6dfeb770e8eafccab2c8e94fe05b2c0d519d13bf7e0deece8d652f2ec12f304520388a37608901b80c2817334bfc6ac586d

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

Filesize
24KB

MD5
ca36933e6dea7aa507a272121b34fdbb

SHA1
3b4741ca0308b345de5ecf6c3565b1dbacb0fb86

SHA256
fd14449eb781c58e6e7196a384caf25cba0c59ebdba3b10f8ca0ecfd0c076b5d

SHA512
5a9b186ecf085765caee97a2910008dda926ce412001042e165184083a52fb5fb70f05ca781cd2f7740ecbd938895c77c5aa0f9eb8d812b92f412f336212720e

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
12KB

MD5
e48d59ba0c1f9e59f229f0c586320613

SHA1
1548f074873fc73bdcac4abf65b86dbf83e8133a

SHA256
d5ed89081b2c86f8187867cd5dd91407997fdfb9efeb0b9e4645688bf9d817cf

SHA512
badd1bc05c0c159d1c60a8aef6f01f0b24d29ac32f8c04bb7c38f629a59803d5127e7e8b6011c2adb699aa3cb45205da60b5153560d2b2fa8d87eaafe48e2ee7

Download Submit