4cdeb2eae1cec1ab07077142313c524e9cf360cdec63497538c4405c2d8ded62

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 10:49

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General

Target

Quasar v1.4.1/3rdPartyLicenses/BouncyCastle_license.html
Size

1KB
MD5

bf8d5a737e70dd3493a475b8672f14df
SHA1

01d35be1b65293f7ca43ee1045424599923ab54a
SHA256

6b73c0a42d138d1f05b527c7b936e79af9f44a55d52e35f912da15c0dea43d30
SHA512

ecc23ef88b80944ed135233118db167bf5dc161b0392af25ae846010f9993673bbdb62f88bf6de24dc060a48a0cfe96be261d30f5dac2705ed0f01d987fe24b8

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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
4312	msedge.exe
4312	msedge.exe
4656	msedge.exe
4656	msedge.exe
4004	identity_helper.exe
4004	identity_helper.exe
3620	msedge.exe
3620	msedge.exe
3620	msedge.exe
3620	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe
4656	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 2656	4656	msedge.exe	82
PID 4656 wrote to memory of 2656	4656	msedge.exe	82
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 3364	4656	msedge.exe	83
PID 4656 wrote to memory of 4312	4656	msedge.exe	84
PID 4656 wrote to memory of 4312	4656	msedge.exe	84
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85
PID 4656 wrote to memory of 4584	4656	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument C:\Users\Admin\AppData\Local\Temp\Quasar v1.4.1\3rdPartyLicenses\BouncyCastle_license.html
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:4656
- 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,0x100,0x104,0xd8,0x108,0x7ff9396046f8,0x7ff939604708,0x7ff939604718
  2⤵
  PID:2656
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,5818120938879036837,13575454524939399435,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2120 /prefetch:2
  2⤵
  PID:3364
- 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=2116,5818120938879036837,13575454524939399435,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2484 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4312
- 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=2116,5818120938879036837,13575454524939399435,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2884 /prefetch:8
  2⤵
  PID:4584
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,5818120938879036837,13575454524939399435,131072 --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=3296 /prefetch:1
  2⤵
  PID:4600
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,5818120938879036837,13575454524939399435,131072 --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=3312 /prefetch:1
  2⤵
  PID:2228
- 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=2116,5818120938879036837,13575454524939399435,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4980 /prefetch:8
  2⤵
  PID:3416
- 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=2116,5818120938879036837,13575454524939399435,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4980 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4004
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,5818120938879036837,13575454524939399435,131072 --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=5064 /prefetch:1
  2⤵
  PID:4996
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,5818120938879036837,13575454524939399435,131072 --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=5088 /prefetch:1
  2⤵
  PID:2276
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,5818120938879036837,13575454524939399435,131072 --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=5536 /prefetch:1
  2⤵
  PID:3376
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,5818120938879036837,13575454524939399435,131072 --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=4720 /prefetch:1
  2⤵
  PID:3608
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,5818120938879036837,13575454524939399435,131072 --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=904 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2000

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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
fab8d8d865e33fe195732aa7dcb91c30

SHA1
2637e832f38acc70af3e511f5eba80fbd7461f2c

SHA256
1b034ffe38e534e2b7a21be7c1f207ff84a1d5f3893207d0b4bb1a509b4185ea

SHA512
39a3d43ef7e28fea2cb247a5d09576a4904a43680db8c32139f22a03d80f6ede98708a2452f3f82232b868501340f79c0b3f810f597bcaf5267c3ccfb1704b43

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

Filesize
152B

MD5
36988ca14952e1848e81a959880ea217

SHA1
a0482ef725657760502c2d1a5abe0bb37aebaadb

SHA256
d7e96088b37cec1bde202ae8ec2d2f3c3aafc368b6ebd91b3e2985846facf2e6

SHA512
d04b2f5afec92eb3d9f9cdc148a3eddd1b615e0dfb270566a7969576f50881d1f8572bccb8b9fd7993724bdfe36fc7633a33381d43e0b96c4e9bbd53fc010173

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\7a4e172d-ab34-47d6-bfed-6f135d27d0c3.tmp

Filesize
5KB

MD5
efa55e68c1ea7845a923b22c0fb792a0

SHA1
25f4b741a4fe50e4834dd44b1dc953591d39395a

SHA256
0586ba99624fc2df92404905caaf53e168a00e2626563fb7ae5a1002087d6eb8

SHA512
6e28f50c611086c06f12a0dac95c0d6bafc976717d3768ad18a969edce0ba494dad8d41f47093ace919bd082c0681325b68d4c4ce2da57e1a7a34692b809ce26

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

Filesize
6KB

MD5
61abb8ea4747003e164e5cd6839d2dee

SHA1
33ff52e223cbf0ce2479c2c1dc644afd0f5dc199

SHA256
57d58fe5b028d4e6adfece194df3ffbed40ba491b340c00351b029799c046aff

SHA512
dcbceb437dddda76198a49b116bdbaa9cc876ba91b8e21b824f6e72070ad2e22957d2fa2ae42875f675794bb88b936d05d713e8395b6772817815ad2c8664827

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
a437dc1004ff9feeb6739314bfec67f3

SHA1
9903af27c5f553552a558dfa93a7cd172aaed4ba

SHA256
cfc68c7f198055c720df7cda858a2fb2b59959462e11ae29601b8a2d607b0b01

SHA512
6fd80f6c83a5e48c6eefc8823fb1a92832fa932bd4526038fff8cfb0c434222748d07e90090d6af970f3047798935b7251193710c0299b854a40e78785846aa0

Download Submit