a9fbcfea6379c3fa6cd30944cab2a22c6094c633c37253be98c057a569fef60b

Analysis

max time kernel
148s
max time network
152s
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, 10:29

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General

Target

libmux_wav_plugin.dll.svn-base?id=e3b43bd36fd50840467669364014ee53553872c1.html
Size

15KB
MD5

68237c9f38b4f0aacd255917c10197b0
SHA1

ff4c5332977367eece8c2c6b5b514c2561e678c5
SHA256

a9fbcfea6379c3fa6cd30944cab2a22c6094c633c37253be98c057a569fef60b
SHA512

e172b0da8e7c2e857a8bd4d69cf2db5cfcdd9dde7eb8f2708322eca671e4bc1166180446f7d19d1d16192e5f89d236db792902e86ad4b94e8d5447652ab8f669
SSDEEP

384:lcPMcMHyAcaC/ju/cvXkvDZ3eItILJzl+Cq124kbrBZFE8uI:+PMcMHyAcaC/ju/cvUvDZ3eItILtFE8B

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 10 IoCs

pid	Process
2396	msedge.exe
2396	msedge.exe
5100	msedge.exe
5100	msedge.exe
3644	identity_helper.exe
3644	identity_helper.exe
3652	msedge.exe
3652	msedge.exe
3652	msedge.exe
3652	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe
5100	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 5048	5100	msedge.exe	85
PID 5100 wrote to memory of 5048	5100	msedge.exe	85
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 5028	5100	msedge.exe	86
PID 5100 wrote to memory of 2396	5100	msedge.exe	87
PID 5100 wrote to memory of 2396	5100	msedge.exe	87
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	msedge.exe	88
PID 5100 wrote to memory of 2544	5100	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\libmux_wav_plugin.dll.svn-base_id=e3b43bd36fd50840467669364014ee53553872c1.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:5100
- 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,0x100,0x104,0xd8,0x108,0x7ffd96bb46f8,0x7ffd96bb4708,0x7ffd96bb4718
  2⤵
  PID:5048
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,14312832246043060711,17798389778003798173,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1468 /prefetch:2
  2⤵
  PID:5028
- 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=2084,14312832246043060711,17798389778003798173,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2288 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2396
- 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=2084,14312832246043060711,17798389778003798173,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2708 /prefetch:8
  2⤵
  PID:2544
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14312832246043060711,17798389778003798173,131072 --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=3220 /prefetch:1
  2⤵
  PID:4956
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14312832246043060711,17798389778003798173,131072 --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=3228 /prefetch:1
  2⤵
  PID:4620
- 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=2084,14312832246043060711,17798389778003798173,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 /prefetch:8
  2⤵
  PID:3556
- 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=2084,14312832246043060711,17798389778003798173,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3644
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14312832246043060711,17798389778003798173,131072 --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=5096 /prefetch:1
  2⤵
  PID:3084
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14312832246043060711,17798389778003798173,131072 --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:4416
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14312832246043060711,17798389778003798173,131072 --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=3476 /prefetch:1
  2⤵
  PID:868
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2084,14312832246043060711,17798389778003798173,131072 --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=5536 /prefetch:1
  2⤵
  PID:1580
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2084,14312832246043060711,17798389778003798173,131072 --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=1712 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3652

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1340

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1692

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
7b56675b54840d86d49bde5a1ff8af6a

SHA1
fe70a1b85f88d60f3ba9fc7bb5f81fc41e150811

SHA256
86af7213f410df65d0937f4331f783160f30eaeb088e28a9eef461713b9a3929

SHA512
11fc61b83365391efee8084de5c2af7e064f0182b943a0db08d95a0f450d3877bde5b5e6a6b9f008e58b709bb1a34f7b50085c41927f091df1eea78f039402e9

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

Filesize
152B

MD5
48cff1baabb24706967de3b0d6869906

SHA1
b0cd54f587cd4c88e60556347930cb76991e6734

SHA256
f6b5fbc610a71b3914753feb2bd4475a7c77d0d785cc36255bf93b3fe3ccb775

SHA512
fd0c848f3f9de81aca81af999262f96ea4c1cd1d1f32d304f56c7382f3b1bb604e5fbe9f209ad6e4b38988d92357ef82e9668806d0727f2856c7dc1f07aae2b6

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

Filesize
6KB

MD5
bb40e21563b36c847bfc03234b2b7af3

SHA1
5350aa939bac26e47210f3e811999a1382a58967

SHA256
debb88caa560aee05467cc54014a8b1094ae5204cc3bfd9e5fe621f26c63ec12

SHA512
664126943f190816198b2db415ec07d1a16140e93eaf9b306f07979bca61dc92062960b31324ebab220bad5ca0bd3d4bea5b48a16416d09741198545fd798849

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\Default\de4e1ade-82ec-46d9-89d1-82d5067ce56c.tmp

Filesize
6KB

MD5
1ba74ea913b25f21051634abd8b3e2a4

SHA1
33ed0db470635246f94ae4d16637f9b3ca602165

SHA256
ca6a040d46de9e4fe57e1455f16e8acde43de00657621b3ada7353a40bfdb938

SHA512
22043461f9a7daf79e13cf8538b766dd1c23d657d98c74145fd2bd25ba76789519913cc625cce85abb5c62fe792d4be8999981ab5a8f3b6a44c38b91639ab156

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

Filesize
11KB

MD5
c8e780e79c2a0f13aa95ac66e1278f21

SHA1
3a84c4c8b1b63e0bae1291bca74ba1880900971b

SHA256
ebd176c44c006e57cffbcac44f82c4d99779109f5c01fef04d8a5bda4e296e45

SHA512
0b9c52bbbb9938fec7136a7509a0e13f6c58a9a0a58c27fbd6deb2c1841ba6dc923446e140622abd802ce97a0185650f0b4469cc235506a899d8092ed2fd6d64

Download Submit