4cdeb2eae1cec1ab07077142313c524e9cf360cdec63497538c4405c2d8ded62

Analysis

max time kernel
481s
max time network
488s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
28/11/2024, 10:48

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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 12 IoCs

pid	Process
5032	msedge.exe
5032	msedge.exe
4076	msedge.exe
4076	msedge.exe
4240	msedge.exe
4240	msedge.exe
672	identity_helper.exe
672	identity_helper.exe
3096	msedge.exe
3096	msedge.exe
3096	msedge.exe
3096	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe
4076	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 2668	4076	msedge.exe	78
PID 4076 wrote to memory of 2668	4076	msedge.exe	78
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 2108	4076	msedge.exe	79
PID 4076 wrote to memory of 5032	4076	msedge.exe	80
PID 4076 wrote to memory of 5032	4076	msedge.exe	80
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81
PID 4076 wrote to memory of 2620	4076	msedge.exe	81

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:4076
- 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff9fc763cb8,0x7ff9fc763cc8,0x7ff9fc763cd8
  2⤵
  PID:2668
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1920 /prefetch:2
  2⤵
  PID:2108
- 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=1836,10511794314338102009,17193776370578656893,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2188 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5032
- 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=1836,10511794314338102009,17193776370578656893,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2700 /prefetch:8
  2⤵
  PID:2620
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --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=3184 /prefetch:1
  2⤵
  PID:3164
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --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=3204 /prefetch:1
  2⤵
  PID:4912
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4700 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4240
- C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5096 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:672
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5224 /prefetch:1
  2⤵
  PID:4980
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5324 /prefetch:1
  2⤵
  PID:2432
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5140 /prefetch:1
  2⤵
  PID:1828
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5552 /prefetch:1
  2⤵
  PID:3500
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1836,10511794314338102009,17193776370578656893,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=5240 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3360

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1640

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
4c1a24fa898d2a98b540b20272c8e47b

SHA1
3218bff9ce95b52842fa1b8bd00be073177141ef

SHA256
bbcc378fcbf64580e7a48b4e7ca9be57fa0a1f2e747f488325685bdb18d73a95

SHA512
e61f196e7f1c9a5fe249abe9b11eea770fb2f4babc61f60b12c71f43e6fe9354cf14869daf46abc2c2655bce180252acd43c10562a2dcd31fa7d90d33253820e

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

Filesize
152B

MD5
f1d2c7fd2ca29bb77a5da2d1847fbb92

SHA1
840de2cf36c22ba10ac96f90890b6a12a56526c6

SHA256
58d0f80310f4a84f687c5ce0adaa982eb42fe4480510399fa2ae975d40bb8bc5

SHA512
ede1fafea2404f16948fe0b5ea5161ccee3ee6e40c55ff98c337eac981a6776b9c73dc030a5c59e4347aec91259f497539206e71949c33adcecbf2c846709e14

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

Filesize
5KB

MD5
056725cbc51ba9a72ccd0ea28c24b82a

SHA1
2161c2b3b94090ff7d36a00d4a4da76668682302

SHA256
5f217a7c3c4cedbe8d9f4e623e8b917ec6219b9dbe022e1e68a9ed053ff862ee

SHA512
c739a4b5ea2f60caee8feaf218036eae38f8e156c4c2aefeac7721b469e448d102403c92553037cf537cf58dfaa12427cc062e157c3e3b36ef7f65890b6bdebc

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

Filesize
5KB

MD5
f29cacd40b7a0ddd8485ea801ab4269c

SHA1
7c0622b093263c3542f0d795768f3c148c28df40

SHA256
d349dfc2791338117da8ae58c5b8101e4e661949836c470f966265fca151abd2

SHA512
2e250cedb9e3a6b6030ffbf98c3da8bc27b7faf7c6db2b0ac352995f08389dbdc2807247a10ed3b12ad60c10f5df0a0c83295cfce0752996c5488e96ca0467f3

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

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

Filesize
16B

MD5
206702161f94c5cd39fadd03f4014d98

SHA1
bd8bfc144fb5326d21bd1531523d9fb50e1b600a

SHA256
1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

SHA512
0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

Filesize
10KB

MD5
df373058577020ac41bc9d6b9e23015c

SHA1
3c436f429b09335e1da72e1d04b6168fc890528b

SHA256
5d3f398906367df0b702077cfd7b13b49931110900fb14a81b867614d3ce8866

SHA512
76b1180d1037e844c9addbfb898d34d6b17cca05a6aad747c7097e4ff985c0b0285786bd5d3a8e2492a281cdacae2c0b4c3de418038d10d5fd8b2b76462d6a7a

Download Submit