hxxps://crl[.]circl[.]lu/

Resubmissions

02-11-2023 19:42

231102-ye1j2agc95 1

02-11-2023 19:39

231102-yc2pbaed7w 1

Analysis

max time kernel
156s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2023 19:39

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General

Target

https://crl.circl.lu/

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
2840	msedge.exe
2840	msedge.exe
3208	msedge.exe
3208	msedge.exe
5116	identity_helper.exe
5116	identity_helper.exe
1424	msedge.exe
1424	msedge.exe
1424	msedge.exe
1424	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe
3208	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 1276	3208	msedge.exe	87
PID 3208 wrote to memory of 1276	3208	msedge.exe	87
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 4684	3208	msedge.exe	89
PID 3208 wrote to memory of 2840	3208	msedge.exe	90
PID 3208 wrote to memory of 2840	3208	msedge.exe	90
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92
PID 3208 wrote to memory of 1728	3208	msedge.exe	92

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://crl.circl.lu/
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:3208
- 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,0x100,0x104,0xd8,0x108,0x7ff9d4e546f8,0x7ff9d4e54708,0x7ff9d4e54718
  2⤵
  PID:1276
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2280,7886543729480723050,3527582899451821333,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2296 /prefetch:2
  2⤵
  PID:4684
- 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=2280,7886543729480723050,3527582899451821333,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2364 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2840
- 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=2280,7886543729480723050,3527582899451821333,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2248 /prefetch:8
  2⤵
  PID:1728
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2280,7886543729480723050,3527582899451821333,131072 --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=3484 /prefetch:1
  2⤵
  PID:4440
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2280,7886543729480723050,3527582899451821333,131072 --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=3500 /prefetch:1
  2⤵
  PID:2636
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2280,7886543729480723050,3527582899451821333,131072 --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=4928 /prefetch:1
  2⤵
  PID:2416
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2280,7886543729480723050,3527582899451821333,131072 --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=5492 /prefetch:1
  2⤵
  PID:3056
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2280,7886543729480723050,3527582899451821333,131072 --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=5464 /prefetch:1
  2⤵
  PID:448
- 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=2280,7886543729480723050,3527582899451821333,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5804 /prefetch:8
  2⤵
  PID:5068
- 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=2280,7886543729480723050,3527582899451821333,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5804 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5116
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2280,7886543729480723050,3527582899451821333,131072 --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=5224 /prefetch:1
  2⤵
  PID:2856
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2280,7886543729480723050,3527582899451821333,131072 --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=2928 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1424

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3188

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3928

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
f4787679d96bf7263d9a34ce31dea7e4

SHA1
ebbade52b0a07d888ae0221ad89081902e6e7f1b

SHA256
bfcadaffd49f5351acf68b8249b32270424bc2459125818492cd3224662a9a87

SHA512
de3f3d1cd602bddb664bd0d2aecb661204dd239b278b1f03d6b9dca6f3d03bd3041ac42f4382f5edf5b310b17ff9ecddff59f16729e8c095625040a364252307

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
9b2b2ff9a8d0fd15f718f180ce73fdc7

SHA1
dcee178e8a2ae687bb192a296fa9525ded0165a2

SHA256
7bf5e57def440fa0fe22799d9e6b929d6ed90fdaa4cf6211df03d70f3bd133f0

SHA512
b64477ec4fdac64af97626685445aafa4837ba20d13a8217bf910939d1cd1133bf35e8ad31fcf478c0aa5defe8b03289f6bb7ca350cc776aa06c095409c05021

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

Filesize
5KB

MD5
f08e7069737fa8f7caeccb86a7679493

SHA1
65e3b75fb243ba0d9cf2b375daa147f90be7e939

SHA256
15b280091a023b56d775ffcdba90ade288792f8ed318abd7a07d4b513402afb5

SHA512
36655c061b68972e55952bc5d251308a092665cc1e3f99e6117f2bc60885f5b86b7a0e4217de138e51b97749745c2f0cae67b77d530bd23005b2b1e4de8f6564

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

Filesize
5KB

MD5
d727740fc6792b646eb8c55930bb9dcb

SHA1
40887dacf7e3dffa673b817ef5221c881bc13368

SHA256
20bb15e5c4232ba2e3b150dee5e581ce0eac1c48b5efbc05259ca466f58b63de

SHA512
2539c288c6f0dc6e2f8a5a40437af78bd38bf0bdb92da5b2620d6584fc4f4265437deaa99ec1c95c621a812760f4233988e2fbd94c471a7022a14af9c1bfa093

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

Filesize
24KB

MD5
3a748249c8b0e04e77ad0d6723e564ff

SHA1
5c4cc0e5453c13ffc91f259ccb36acfb3d3fa729

SHA256
f98f5543c33c0b85b191bb85718ee7845982275130da1f09e904d220f1c6ceed

SHA512
53254db3efd9c075e4f24a915e0963563ce4df26d4771925199a605cd111ae5025a65f778b4d4ed8a9b3e83b558066cd314f37b84115d4d24c58207760174af2

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
ba4a16f3c13ae2120a8dbfc50fa5162a

SHA1
6d7761df595b7a73240a3a3d9c2ff0041ed11fa3

SHA256
f32c64f72b8c48379453bae2a834452caee9b0bc1b5f931f88df6af3fffce3db

SHA512
0dcf7f8154865af56fff0346b159b5aac2e69a5b9240bd1c581c7384ed5175a220336c525a6161437671a58d135c2bcbfefd6ac0e86b33eac2cf21a08048dcae

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

Filesize
10KB

MD5
cf34d082d5c61a8661a1142027df3fd7

SHA1
a717958b6c5d8b8f7d5c081ddd1c734b92f368ec

SHA256
e522b62f7decaa7844bffe55dca37e7b2c0234fcdedd982481e05ddc243f98ef

SHA512
2a10542ff5a1e385b3d9ada56bb84ff60b14c87775855c755822a21a5f16f2a65e231ece7c2a2cf8f6777b28cbf0e50b4213cf79604b96206737f96c55a3fcf9

Download Submit