4cdeb2eae1cec1ab07077142313c524e9cf360cdec63497538c4405c2d8ded62

Analysis

max time kernel
33s
max time network
19s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
15-12-2024 15:17

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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 8 IoCs

pid	Process
4764	msedge.exe
4764	msedge.exe
1096	msedge.exe
1096	msedge.exe
2108	msedge.exe
2108	msedge.exe
1984	identity_helper.exe
1984	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe
1096	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2156	1096	msedge.exe	77
PID 1096 wrote to memory of 2156	1096	msedge.exe	77
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 1136	1096	msedge.exe	78
PID 1096 wrote to memory of 4764	1096	msedge.exe	79
PID 1096 wrote to memory of 4764	1096	msedge.exe	79
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80
PID 1096 wrote to memory of 4300	1096	msedge.exe	80

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:1096
- 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,0x7fffbc443cb8,0x7fffbc443cc8,0x7fffbc443cd8
  2⤵
  PID:2156
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2080,5848536134038164063,11013679274914567708,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=2096 /prefetch:2
  2⤵
  PID:1136
- 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=2080,5848536134038164063,11013679274914567708,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2152 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4764
- 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=2080,5848536134038164063,11013679274914567708,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2616 /prefetch:8
  2⤵
  PID:4300
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5848536134038164063,11013679274914567708,131072 --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=3156 /prefetch:1
  2⤵
  PID:4408
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5848536134038164063,11013679274914567708,131072 --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=3164 /prefetch:1
  2⤵
  PID:5036
- 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=2080,5848536134038164063,11013679274914567708,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4560 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2108
- 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=2080,5848536134038164063,11013679274914567708,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5384 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1984
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5848536134038164063,11013679274914567708,131072 --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=5192 /prefetch:1
  2⤵
  PID:5064
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5848536134038164063,11013679274914567708,131072 --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=5164 /prefetch:1
  2⤵
  PID:2704
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5848536134038164063,11013679274914567708,131072 --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=3800 /prefetch:1
  2⤵
  PID:3016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,5848536134038164063,11013679274914567708,131072 --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=5696 /prefetch:1
  2⤵
  PID:4060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1180

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1092

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4820

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
c0a1774f8079fe496e694f35dfdcf8bc

SHA1
da3b4b9fca9a3f81b6be5b0cd6dd700603d448d3

SHA256
c041da0b90a5343ede7364ccf0428852103832c4efa8065a0cd1e8ce1ff181cb

SHA512
60d9e87f8383fe3afa2c8935f0e5a842624bb24b03b2d8057e0da342b08df18cf70bf55e41fa3ae54f73bc40a274cf6393d79ae01f6a1784273a25fa2761728b

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

Filesize
152B

MD5
e11c77d0fa99af6b1b282a22dcb1cf4a

SHA1
2593a41a6a63143d837700d01aa27b1817d17a4d

SHA256
d96f9bfcc81ba66db49a3385266a631899a919ed802835e6fb6b9f7759476ea0

SHA512
c8f69f503ab070a758e8e3ae57945c0172ead1894fdbfa2d853e5bb976ed3817ecc8f188eefd5092481effd4ef650788c8ff9a8d9a5ee4526f090952d7c859f3

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

Filesize
5KB

MD5
5d70161f61b49b05ce666bd05294dc32

SHA1
d15e392bbade8d39d9dfb9dfabc207d3362ea65c

SHA256
d6bffd9b45ad286df3395cb504060f1de06eb57677e9086535032380b3d70fd1

SHA512
a5ae918b35ac09c6075cfbc7e5c9298d75f6bbd5779f5cc8bc0534184959f543dc4abfb2a4210ed27e0a5ca0817dc24736ad0a01aed86eb8f7b3af9d9d284648

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

Filesize
5KB

MD5
337071449e22018ae94efcd702a29108

SHA1
b75aa38c8638cc04504653160d9586996236d59d

SHA256
b2af6c1d330a2adf359ada357b192171d62d660eb390f84b805044f99667f90e

SHA512
3f286b9903f6c44cb43412a66f969f9d1bffd90e93e298729f801671593a37fa1319f14061446f80717c59f14d4501dfa2385c538a343d2443c50dbaedd37765

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
06cd4c402860e105e4c3a2e7f3fceca6

SHA1
6f926f818b2509b195af23bd50908f40ce6e815f

SHA256
2722e66769db8e340ef87b0ca86ecaa0937eab54fdca800dcfbc2052d1044b27

SHA512
fc8124781a040fe859a1196e34bb634b841bc708cf81321db9eea00ef159c8236e238af9869b2ccd8ff7d90e4f45629571538a44849b24877fd33eed80be099d

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

Filesize
10KB

MD5
d3ca973dac474a67d341976e8f03bfbb

SHA1
12f5315b96226c1028500341582df8d4643f6ebf

SHA256
e58c4aef7d1698b9bff85d2ab468c7ad528494e864217622d134f27805128970

SHA512
fc898af96b8f37eab768470488c6b65ee5e99ab64d6e296d6fbb1173ca939522292576590d9f4dd3f76a68508e1db13dfeedc24acd6e8e4764c0ca84a0215219

Download Submit