hxxp://239[.]255[.]255[.]250

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 12:43

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General

Target

http://239.255.255.250

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
2500	msedge.exe
2500	msedge.exe
2800	msedge.exe
2800	msedge.exe
1848	identity_helper.exe
1848	identity_helper.exe
3340	msedge.exe
3340	msedge.exe
3340	msedge.exe
3340	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe
2800	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 4572	2800	msedge.exe	22
PID 2800 wrote to memory of 4572	2800	msedge.exe	22
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 656	2800	msedge.exe	93
PID 2800 wrote to memory of 2500	2800	msedge.exe	92
PID 2800 wrote to memory of 2500	2800	msedge.exe	92
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94
PID 2800 wrote to memory of 2324	2800	msedge.exe	94

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=0x100,0x104,0x108,0xdc,0x10c,0x7ffab29246f8,0x7ffab2924708,0x7ffab2924718
1⤵
PID:4572

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://239.255.255.250
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:2800
- 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=2112,17707082772345319231,16664806105712778695,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2172 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2500
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
  2⤵
  PID:656
- 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=2112,17707082772345319231,16664806105712778695,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2912 /prefetch:8
  2⤵
  PID:2324
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --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=3308 /prefetch:1
  2⤵
  PID:3508
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --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=3312 /prefetch:1
  2⤵
  PID:4912
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3976 /prefetch:1
  2⤵
  PID:652
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --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=3532 /prefetch:1
  2⤵
  PID:1816
- 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=2112,17707082772345319231,16664806105712778695,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5408 /prefetch:8
  2⤵
  PID:2896
- 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=2112,17707082772345319231,16664806105712778695,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5408 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1848
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --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=4088 /prefetch:1
  2⤵
  PID:452
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --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=5432 /prefetch:1
  2⤵
  PID:4432
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --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=3576 /prefetch:1
  2⤵
  PID:4992
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5684 /prefetch:1
  2⤵
  PID:2432
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2260 /prefetch:1
  2⤵
  PID:1484
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3944 /prefetch:1
  2⤵
  PID:2704
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,17707082772345319231,16664806105712778695,131072 --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=5140 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3340

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:552

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3208

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\385b535a-3109-4a6c-bd04-7aaea49fdcc0.tmp

Filesize
11KB

MD5
f48a7cd7bcf122be8d0df0751786bd6e

SHA1
3ea1012003d39778d9693139c73896827cc2e54c

SHA256
ef88e4e543c5caebf7ab4a564a47d17cf7124d5c0ddf15466b3e22d758ac641f

SHA512
c3c1249e681bcbefd7e64fb1df466dea38f62dd5f24d8da31f3848a5fe151fe3af9d63c74c1d861343451dfc62f94e4de938799d504b3721fec36d05607378be

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

Filesize
152B

MD5
58670ac03d80eb4bd1cec7ac5672d2e8

SHA1
276295d2f9e58fb0b8ef03bd9567227fb94e03f7

SHA256
76e1645d9c4f363b34e554822cfe0d53ff1fce5e994acdf1edeff13ae8df30f8

SHA512
99fe23263de36ec0c8b6b3b0205df264250392cc9c0dd8fa28cf954ff39f9541f722f96a84fbc0b4e42cfd042f064525a6be4b220c0180109f8b1d51bbdef8ff

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

Filesize
152B

MD5
3782686f747f4a85739b170a3898b645

SHA1
81ae1c4fd3d1fddb50b3773e66439367788c219c

SHA256
67ee813be3c6598a8ea02cd5bb5453fc0aa114606e3fc7ad216f205fe46dfc13

SHA512
54eb860107637a611150ff18ac57856257bf650f70dce822de234aee644423080b570632208d38e45e2f0d2bf60ca2684d3c3480f9637ea4ad81f2bcfb9f24d5

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

Filesize
6KB

MD5
63a87b77e254c6bfb064272e62e7ff4e

SHA1
a2dc43a635d9cbca2aaadd96c65021c85e40a723

SHA256
70d6b24c6342585427df288ef621e5ce8264c722e3a886d2d2eb074d8be3b637

SHA512
5c4c66cae719ebdb213848510ee8b4e89bba0eee44b1de2248234528f17934041767e653a82296ed05dcd12461f240934e7e0a0ce43c96ed7375f1324ed312de

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

Filesize
6KB

MD5
73f22eb9962363a0db164347c2c1faf0

SHA1
1390abeb6086b4369b0e4553ac30d39f2c946f3b

SHA256
9bb2c1b49d17c9fbd3338863e97d079fdc1e8344407a9fb3f53b2f3fa9c0500b

SHA512
d9393a20f23e23c16e4e251bc3b5c969fd1cdf08cf565f454470bba31f760cbdd2788964f7912c66619a5b5d04137e6a71c127ca8d24781aa10af12014400bbf

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