4cdeb2eae1cec1ab07077142313c524e9cf360cdec63497538c4405c2d8ded62

Analysis

max time kernel
145s
max time network
146s
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 10:52

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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
2476	msedge.exe
2476	msedge.exe
3728	msedge.exe
3728	msedge.exe
3172	identity_helper.exe
3172	identity_helper.exe
1340	msedge.exe
1340	msedge.exe
1340	msedge.exe
1340	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe
3728	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 4860	3728	msedge.exe	83
PID 3728 wrote to memory of 4860	3728	msedge.exe	83
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2724	3728	msedge.exe	84
PID 3728 wrote to memory of 2476	3728	msedge.exe	85
PID 3728 wrote to memory of 2476	3728	msedge.exe	85
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86
PID 3728 wrote to memory of 1924	3728	msedge.exe	86

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:3728
- 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,0x100,0x104,0xd8,0x108,0x7ffde2f746f8,0x7ffde2f74708,0x7ffde2f74718
  2⤵
  PID:4860
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2228,11917440234515172830,5338296793067747146,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1824 /prefetch:2
  2⤵
  PID:2724
- 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=2228,11917440234515172830,5338296793067747146,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2320 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2476
- 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=2228,11917440234515172830,5338296793067747146,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2904 /prefetch:8
  2⤵
  PID:1924
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11917440234515172830,5338296793067747146,131072 --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=3208 /prefetch:1
  2⤵
  PID:2116
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11917440234515172830,5338296793067747146,131072 --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=3216 /prefetch:1
  2⤵
  PID:3160
- 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=2228,11917440234515172830,5338296793067747146,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4972 /prefetch:8
  2⤵
  PID:4284
- 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=2228,11917440234515172830,5338296793067747146,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4972 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3172
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11917440234515172830,5338296793067747146,131072 --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=5032 /prefetch:1
  2⤵
  PID:3408
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11917440234515172830,5338296793067747146,131072 --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=5052 /prefetch:1
  2⤵
  PID:4152
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11917440234515172830,5338296793067747146,131072 --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=5484 /prefetch:1
  2⤵
  PID:3468
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11917440234515172830,5338296793067747146,131072 --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=5552 /prefetch:1
  2⤵
  PID:3116
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2228,11917440234515172830,5338296793067747146,131072 --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=3600 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1340

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3428

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4836

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
b8880802fc2bb880a7a869faa01315b0

SHA1
51d1a3fa2c272f094515675d82150bfce08ee8d3

SHA256
467b8cd4aacac66557712f9843023dcedefcc26efc746f3e44157bc8dac73812

SHA512
e1c6dba2579357ba70de58968b167d2c529534d24bff70568144270c48ac18a48ee2af2d58d78ae741e5a36958fa78a57955bd2456f1df00b781fc1002e123d2

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

Filesize
152B

MD5
ba6ef346187b40694d493da98d5da979

SHA1
643c15bec043f8673943885199bb06cd1652ee37

SHA256
d86eec91f295dfda8ed1c5fa99de426f2fe359282c7ebf67e3a40be739475d73

SHA512
2e6cc97330be8868d4b9c53be7e12c558f6eb1ac2c4080a611ba6c43561d0c5bb4791b8a11a8c2371599f0ba73ed1d9a7a2ea6dee2ae6a080f1912e0cb1f656c

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

Filesize
5KB

MD5
337f6271c0e14da29ebe8dfb4ecb15a5

SHA1
802259b6318b664e3c1e0b3c3e194bcd1f2d6031

SHA256
94c99b1907aefb0123de708ecd1f353edc0ad3ed7a4dabe39efcd965be94a07b

SHA512
10c2c10e9965201a7a98b6ecf079479963d5d640b86a19595f7614b129a13cace7e134b4990f0d52fb9df95ff398afb041e143bfac91b6e714da9940fd2e7dd6

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

Filesize
6KB

MD5
f6e6e696a0f9f28656386d88e7b612e7

SHA1
867c0ff7c892262a95ccc8e6b9aa6a0fddfbbce9

SHA256
e12d59b1714a2758e0de6a8cd2126ae9505a98f95f64973e14a048c078cea278

SHA512
6fd61faaa01a1d29d46a6b8612dd022e63074e4c30773475ce58abbdf0e7ce9bf3ffb2b111d8e50ae512d2c0e203d4ab29facb34894e5e5dc0b1308cb475ba31

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
27c31cee4606731708dc68915a0eb720

SHA1
be6fdaf76f03a01697952891d10f2ce4c122ce2e

SHA256
b80f55771a724f33847f651ba1850ee37bca9b50b4f98476187e955b44879185

SHA512
9aa6745aef0374fd8142ab97771f782041d67b416c03940d7605cd7c1fdb8cc7620faf558b00445a82e967f80c323196404569a8edea5c2f01343175daec1d07

Download Submit