hxxps://download[.]oxy[.]st/bfcd87cd-7021-4d7a-8f0b-17922ac2be2c

Analysis

max time kernel
283s
max time network
275s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
22/04/2024, 14:03

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General

Target

https://download.oxy.st/bfcd87cd-7021-4d7a-8f0b-17922ac2be2c

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 12 IoCs

pid	Process
844	msedge.exe
844	msedge.exe
3460	msedge.exe
3460	msedge.exe
5048	msedge.exe
5048	msedge.exe
3700	identity_helper.exe
3700	identity_helper.exe
2880	msedge.exe
2880	msedge.exe
2880	msedge.exe
2880	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1504	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1504	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe
3460	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 1088	3460	msedge.exe	78
PID 3460 wrote to memory of 1088	3460	msedge.exe	78
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 1776	3460	msedge.exe	79
PID 3460 wrote to memory of 844	3460	msedge.exe	80
PID 3460 wrote to memory of 844	3460	msedge.exe	80
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81
PID 3460 wrote to memory of 3848	3460	msedge.exe	81

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://download.oxy.st/bfcd87cd-7021-4d7a-8f0b-17922ac2be2c
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:3460
- 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,0x7ffd35eb3cb8,0x7ffd35eb3cc8,0x7ffd35eb3cd8
  2⤵
  PID:1088
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2000,8167677333443031421,4380554773629935426,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=2008 /prefetch:2
  2⤵
  PID:1776
- 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=2000,8167677333443031421,4380554773629935426,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2356 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:844
- 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=2000,8167677333443031421,4380554773629935426,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2820 /prefetch:8
  2⤵
  PID:3848
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,8167677333443031421,4380554773629935426,131072 --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=3364 /prefetch:1
  2⤵
  PID:2808
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,8167677333443031421,4380554773629935426,131072 --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=3380 /prefetch:1
  2⤵
  PID:1484
- 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=2000,8167677333443031421,4380554773629935426,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5108 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5048
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2000,8167677333443031421,4380554773629935426,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5216 /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=2000,8167677333443031421,4380554773629935426,131072 --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=4756 /prefetch:1
  2⤵
  PID:3240
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,8167677333443031421,4380554773629935426,131072 --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=4924 /prefetch:1
  2⤵
  PID:3128
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,8167677333443031421,4380554773629935426,131072 --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=3360 /prefetch:1
  2⤵
  PID:3044
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2000,8167677333443031421,4380554773629935426,131072 --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=5472 /prefetch:1
  2⤵
  PID:876
- 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=2000,8167677333443031421,4380554773629935426,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5956 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3700
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2000,8167677333443031421,4380554773629935426,131072 --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=1020 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2880

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3700

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004E8 0x00000000000004DC
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1504

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
54caf18c2cda579e0dad6a9fc5179562

SHA1
357d25de14903392900d034e37f5918b522e17c9

SHA256
28d77529de92eb605d8afee0e133a7d08e13d4386e5e38d63e2da34623eaad6b

SHA512
88da5a33df9d82408afb8344ec7dbaf7686435fdb55eccfb85d5560f39861e84cef5d71949d5efe7a191778e6be755a8448f3fc3d7043007037f9f5227e10210

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

Filesize
152B

MD5
696ffba7b83ecf008523e96918f200d9

SHA1
970d90e22c8b3674fc33cdd1913c51ef28514255

SHA256
dc6dacd725d7385b2e4db1f488d93f2840d2289efdaaf3737849304d1ab9ba34

SHA512
f8528683b70b58376f3eba3338fa6b462c9e9248c72524573005cff6397a0556bdcc2fdc2ebb020ba8218bc8174ba552002f223a245dfe3d3688826d24d63237

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
312B

MD5
0372f860a9b39c7da90ca6bff781ab6b

SHA1
c35bcdecc3bdd124bdb464aaf95e4e839790579d

SHA256
e83e1bacf78d5dbc676ee863dbfc178b6f90c5a04143769f08cdb628862ef2e4

SHA512
7c75424c31eaaecffde6b92d154184ff12f20062d1493376781d0b4ed4fdbc4436f8fbab6bdc68fc4b987086106ae561be2e80abaf2bfcf4b15fa2bcff014b92

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

Filesize
904B

MD5
504f05cf4f6b97de777d1ea93d22a408

SHA1
eca132194ec7498c7eba8e34782a812276b9c11b

SHA256
fac91170fe624e4742a9e5c9cf3775ab51326e70e1b9710cc964117f1f16b2b6

SHA512
5a1c92cf49cc0f6fbe1e3395627faa3d3bdd3f340df4c20cd65412583bc1f02ed55acbea6236a65c59897f3f87de0ceec2f484670d8440e72d6cb7781c8736e0

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

Filesize
5KB

MD5
b6467ffa8c85769014bfe85686b334cb

SHA1
ec3910d8c34281a63e4029184f8531cba130279c

SHA256
378c63e4fc3de30dc0093fdd5e8a6df2dde66da3edb8f589d50dc6feefa7362a

SHA512
75a183d3e71a708c74533bb3eeb7cd910030e8e4616c519912e310b1fd6c8103944c6e30b735b299d86d0fc6d96efc1690956e6db7019dabeab74c39cdbf751c

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

Filesize
6KB

MD5
1305ed7ca82b050779a337307f662416

SHA1
783a05599cda346e6f8bb62cc79191c2fa860f10

SHA256
5691424e64c78596bdfdb35db849f1a31b2c1ea6464ab6618223815de522bb7a

SHA512
31e2c379a7f597e2385caf4830145a0ca292be2721f8776b256ead6254e4d4887703b27c6696742eb7020589234768e470789c244e1e660d31b10ffae6c187e7

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
11KB

MD5
663aaa766e3178bc7979b610e89af49a

SHA1
b79de9a8f121165034239b2f4c5e10e68f7049e4

SHA256
7f4bdea37dbb00b1774b3c908c4ce58d48349352bc6c7fdb41389528cb3d633b

SHA512
cc2e57c35ce56f7ca525ed54c373cf46978fe608cc19f16d38419d010c00d25567b0d6980e0f9e42d79863e22e7104b4275564f2f558ff5786befd818894629e

Download Submit