090f40c308def8848a645375eeb8758ca9b6796a0b07ad04f38f9f0e7571ad48

Analysis

max time kernel
145s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
26-04-2024 10:53

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General

Target

$PLUGINSDIR/WelcomeScreen.htm
Size

5KB
MD5

54bbb668f02441624af5d536ad9dfd05
SHA1

6a4a1e9522658a725c3f4d2864a2087d33368db6
SHA256

ed7a47c63626fb0ad11635421592b3e805937ea04a94ca39f6864edceed708fc
SHA512

b7cd133b796af24a17345ba578bd03ea1de659f83f7b7d2b29bcf44ccbca376611d35fd0ec435083c8719f2e35cbab2d1afb2d9fdec89a3ef4302fcd715d439c
SSDEEP

96:V9WOHLKTBGHMVtZTk/fOvkHanGgKyzjAQINeX0XpiXpZr8Y:V9WOLKcHwbTs2vkHanRKyzjXIwX3N

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
5032	msedge.exe
5032	msedge.exe
3500	msedge.exe
3500	msedge.exe
944	identity_helper.exe
944	identity_helper.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe
3500	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 1888	3500	msedge.exe	83
PID 3500 wrote to memory of 1888	3500	msedge.exe	83
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 2992	3500	msedge.exe	84
PID 3500 wrote to memory of 5032	3500	msedge.exe	85
PID 3500 wrote to memory of 5032	3500	msedge.exe	85
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86
PID 3500 wrote to memory of 4964	3500	msedge.exe	86

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\$PLUGINSDIR\WelcomeScreen.htm
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:3500
- 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,0x100,0x104,0xd8,0x108,0x7ffc969d46f8,0x7ffc969d4708,0x7ffc969d4718
  2⤵
  PID:1888
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,6859552144092390571,13107495237391305392,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
  2⤵
  PID:2992
- 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=2116,6859552144092390571,13107495237391305392,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2308 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5032
- 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=2116,6859552144092390571,13107495237391305392,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2876 /prefetch:8
  2⤵
  PID:4964
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6859552144092390571,13107495237391305392,131072 --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=3320 /prefetch:1
  2⤵
  PID:2760
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6859552144092390571,13107495237391305392,131072 --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=3332 /prefetch:1
  2⤵
  PID:1204
- 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=2116,6859552144092390571,13107495237391305392,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4524 /prefetch:8
  2⤵
  PID:4400
- 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=2116,6859552144092390571,13107495237391305392,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4524 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:944
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6859552144092390571,13107495237391305392,131072 --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=4628 /prefetch:1
  2⤵
  PID:3620
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6859552144092390571,13107495237391305392,131072 --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=4644 /prefetch:1
  2⤵
  PID:2872
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6859552144092390571,13107495237391305392,131072 --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=5092 /prefetch:1
  2⤵
  PID:3412
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6859552144092390571,13107495237391305392,131072 --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=4872 /prefetch:1
  2⤵
  PID:3780
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,6859552144092390571,13107495237391305392,131072 --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=2252 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5084

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3392

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
dbac49e66219979194c79f1cf1cb3dd1

SHA1
4ef87804a04d51ae1fac358f92382548b27f62f2

SHA256
f24ed6c5bf4b734a9af4d64e14a80a160bea569f50849f70bf7b7277c4f48562

SHA512
bb314d61f53cf7774f6dfb6b772c72f5daf386bc3d27d2bb7a14c65848ee86e6c48e9c5696693ded31846b69b9372a530175df48494e3d61a228e49d43401ad1

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

Filesize
152B

MD5
a9e55f5864d6e2afd2fd84e25a3bc228

SHA1
a5efcff9e3df6252c7fe8535d505235f82aab276

SHA256
0f4df3120e4620555916be8e51c29be8d600d68ae5244efad6a0268aabc8c452

SHA512
12f45fa73a6de6dfe17acc8b52b60f2d79008da130730b74cc138c1dcd73ccc99487165e3c8c90dc247359fde272f1ec6b3cf2c5fcb04e5093936144d0558b75

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\9011c130-bb17-4eca-bf17-84c0f8ffe191.tmp

Filesize
6KB

MD5
92e9f5bb97bdeb1eddd601c06a1944ce

SHA1
d79b044d61f3db3f7edbfd6a3226a246262a6757

SHA256
c5da95449f58167046d954d8677ab67f9f4faaa91d13bbcbd97e70844063ae02

SHA512
c39c60693671e60f75061a1aad5063045ab0fdd3851bb61edb1670e4ac8266ebf3f48cf6f7bd9498ff8e1440956df12018144d9cf3f7e824676c423db901f086

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

Filesize
6KB

MD5
0b5895506e27d1ef9d6eda1298c652ac

SHA1
c5e7f18872c59a19f8d34f84785473a85dbd041d

SHA256
154130b107c8474e2903fe9d17a49ec02d61a9e03e4fef05d1c59766cc79a233

SHA512
5f62bff2ae31892ac0ac11445a66dd4cfc87236a95da601632e2341a427e3e94221328bb2a788e407e629cf5d8a67645e92c4f8c5e0835bde16e0ec063ad28f9

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
8KB

MD5
652cce09942c84062f3de8febc85f94d

SHA1
3dcfa0343a0a3439598ba07e2a0b8a80c923c5e7

SHA256
f8b545903dbaf5114c46652d1d0dc71700c2f8bdcfb5b46b6b2ecdcb72e2c251

SHA512
00a576890d7260f4fd46a4dfaec3d7b5558bc744cd300c1694ad2cef3c13372fdf63be93dc520377c88f8189c19ac26fb662cc75e048b7e2c0d95726cde16efa

Download Submit