b50c61abb47a2cffac93a51981ccd0c22b1950ef9a9530b6f168c875de8ac403

Analysis

max time kernel
145s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 10:14

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General

Target

libdolby_surround_decoder_plugin.dll.svn-base?id=8328c31dba7c71ee20ee32f1a735d639f9e43928.html
Size

7KB
MD5

fe327fa8aca469044c7551af911bb5b3
SHA1

ecf7ac4641b0795af2af2b31d627625845f2dc05
SHA256

b50c61abb47a2cffac93a51981ccd0c22b1950ef9a9530b6f168c875de8ac403
SHA512

46c5e03a5c93596d0954cdb234c444beb56e1fe39f04d959b015b7b377e23c7f5a0eba597ccfdfdcf60cb8c969cbbdb82d5406244948f9d4f9820d7f35842f1f
SSDEEP

192:ZVvTPMcMHyyvDvAviTvDvCivMX0v0v5B/lo3Nv9vevXvuvrvevYUQE8uI:Z9PMcMHyqMXF/gE8uI

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4028	msedge.exe
4028	msedge.exe
4348	msedge.exe
4348	msedge.exe
216	identity_helper.exe
216	identity_helper.exe
744	msedge.exe
744	msedge.exe
744	msedge.exe
744	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe
4348	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4348 wrote to memory of 2308	4348	msedge.exe	85
PID 4348 wrote to memory of 2308	4348	msedge.exe	85
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4912	4348	msedge.exe	86
PID 4348 wrote to memory of 4028	4348	msedge.exe	87
PID 4348 wrote to memory of 4028	4348	msedge.exe	87
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88
PID 4348 wrote to memory of 4072	4348	msedge.exe	88

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Local\Temp\libdolby_surround_decoder_plugin.dll.svn-base_id=8328c31dba7c71ee20ee32f1a735d639f9e43928.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:4348
- 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,0x100,0x104,0xd8,0x108,0x7ff80d6b46f8,0x7ff80d6b4708,0x7ff80d6b4718
  2⤵
  PID:2308
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,17093001018613185290,13319429700997786534,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
  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=network.mojom.NetworkService --field-trial-handle=2124,17093001018613185290,13319429700997786534,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2312 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4028
- 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=2124,17093001018613185290,13319429700997786534,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2456 /prefetch:8
  2⤵
  PID:4072
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17093001018613185290,13319429700997786534,131072 --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=3248 /prefetch:1
  2⤵
  PID:4172
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17093001018613185290,13319429700997786534,131072 --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=3264 /prefetch:1
  2⤵
  PID:2768
- 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=2124,17093001018613185290,13319429700997786534,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5128 /prefetch:8
  2⤵
  PID:4836
- 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=2124,17093001018613185290,13319429700997786534,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5128 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:216
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17093001018613185290,13319429700997786534,131072 --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=5272 /prefetch:1
  2⤵
  PID:3060
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17093001018613185290,13319429700997786534,131072 --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=5168 /prefetch:1
  2⤵
  PID:4648
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17093001018613185290,13319429700997786534,131072 --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=4080 /prefetch:1
  2⤵
  PID:2196
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17093001018613185290,13319429700997786534,131072 --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=5564 /prefetch:1
  2⤵
  PID:3988
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,17093001018613185290,13319429700997786534,131072 --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=2276 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2980

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4924

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
e36b219dcae7d32ec82cec3245512f80

SHA1
6b2bd46e4f6628d66f7ec4b5c399b8c9115a9466

SHA256
16bc6f47bbfbd4e54c3163dafe784486b72d0b78e6ea3593122edb338448a27b

SHA512
fc539c461d87141a180cf71bb6a636c75517e5e7226e76b71fd64e834dcacc88fcaaa92a9a00999bc0afc4fb93b7304b068000f14653c05ff03dd7baef3f225c

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

Filesize
152B

MD5
559ff144c30d6a7102ec298fb7c261c4

SHA1
badecb08f9a6c849ce5b30c348156b45ac9120b9

SHA256
5444032cb994b90287c0262f2fba16f38e339073fd89aa3ab2592dfebc3e6f10

SHA512
3a45661fc29e312aa643a12447bffdab83128fe5124077a870090081af6aaa4cf0bd021889ab1df5cd40f44adb055b1394b31313515c2929f714824c89fd0f04

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

Filesize
6KB

MD5
c16d1710a24de4318de7fff2abcdfd82

SHA1
b57f01613e8de522e562db683ae5a95323cc8217

SHA256
e691e35516fe2ea17cbe3198c6d9102fcbd3363d70e8d279e9348de4dea37a7c

SHA512
f4807367de44f04691cebbd17839bcff607e67e2339ceffd571365c03cae302fb016a62760e0096301b51df657055ddf2c02f0befb64c8d171c6cbeac342bc9f

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

Filesize
6KB

MD5
22587c7f44c1f730dda34bed5e7d2aec

SHA1
3cf2df6c5b675c0034eed31793cf3e54fab2180c

SHA256
0f34e920c2dbe2809beecfa69a9db25e7a4480579762ca56dc86fead92dc29f8

SHA512
708d19d6539ae70820fcc072168a90b98b84bb1d0eaa128443ab70ea1e08ec6fafed8cd94e834ef00d252596897c0729802f8bc5243c2b07ee829128d5033f62

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
11KB

MD5
56912678f4b427dd7c4a0944744abb93

SHA1
388d75ea20d85b57ca85aaf0d61c455722fcc96c

SHA256
c1a20f6f7c9562e82024d6db182736ad0823d0a1493f83681d05efb5ddc3fd02

SHA512
56f81fa902334e5ff23c39bc96c85131328d838b254c371f375814c6c5bfe932ef0c9788b134689a6622e071127f50a7abbd2d1bfb7c640f9c46a35880a78807

Download Submit