hxxps://145[.]255[.]27[.]139[:]4433/

Analysis

max time kernel
17s
max time network
27s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2024, 11:06

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General

Target

https://145.255.27.139:4433/

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 6 IoCs

pid	Process
4540	msedge.exe
4540	msedge.exe
4820	msedge.exe
4820	msedge.exe
1740	identity_helper.exe
1740	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe

Suspicious use of FindShellTrayWindow 28 IoCs

pid	Process
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe
4820	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 3272	4820	msedge.exe	84
PID 4820 wrote to memory of 3272	4820	msedge.exe	84
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 1756	4820	msedge.exe	85
PID 4820 wrote to memory of 4540	4820	msedge.exe	86
PID 4820 wrote to memory of 4540	4820	msedge.exe	86
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87
PID 4820 wrote to memory of 1792	4820	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://145.255.27.139:4433/
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:4820
- 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,0x100,0x104,0xd8,0x108,0x7ffd0f0646f8,0x7ffd0f064708,0x7ffd0f064718
  2⤵
  PID:3272
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1992,16467211054543568006,3064899156298945798,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2096 /prefetch:2
  2⤵
  PID:1756
- 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=1992,16467211054543568006,3064899156298945798,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2160 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4540
- 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=1992,16467211054543568006,3064899156298945798,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2888 /prefetch:8
  2⤵
  PID:1792
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1992,16467211054543568006,3064899156298945798,131072 --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=3228 /prefetch:1
  2⤵
  PID:2952
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1992,16467211054543568006,3064899156298945798,131072 --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=3372 /prefetch:1
  2⤵
  PID:4720
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1992,16467211054543568006,3064899156298945798,131072 --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=4812 /prefetch:1
  2⤵
  PID:2792
- 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=1992,16467211054543568006,3064899156298945798,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5512 /prefetch:8
  2⤵
  PID:3748
- 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=1992,16467211054543568006,3064899156298945798,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5512 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1740
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1992,16467211054543568006,3064899156298945798,131072 --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=5596 /prefetch:1
  2⤵
  PID:780

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:208

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
f61fa5143fe872d1d8f1e9f8dc6544f9

SHA1
df44bab94d7388fb38c63085ec4db80cfc5eb009

SHA256
284a24b5b40860240db00ef3ae6a33c9fa8349ab5490a634e27b2c6e9a191c64

SHA512
971000784a6518bb39c5cf043292c7ab659162275470f5f6b632ea91a6bcae83bc80517ceb983dd5abfe8fb4e157344cb65c27e609a879eec00b33c5fad563a6

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

Filesize
152B

MD5
87f7abeb82600e1e640b843ad50fe0a1

SHA1
045bbada3f23fc59941bf7d0210fb160cb78ae87

SHA256
b35d6906050d90a81d23646f86c20a8f5d42f058ffc6436fb0a2b8bd71ee1262

SHA512
ea8e7f24ab823ad710ce079c86c40aa957353a00d2775732c23e31be88a10d212e974c4691279aa86016c4660f5795febf739a15207833df6ed964a9ed99d618

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\11389b8c-f241-4a2b-9f68-e7602b8ef78a.tmp

Filesize
5KB

MD5
214bb5cc82a3e5c14c04ed09042e55d2

SHA1
a84bf71b0572577b99dfb48a643c98899bb07c17

SHA256
c2cb4768ae83823a1cc81f1d76c9b7e99b63db79c04bcd387a3105bc255fdb63

SHA512
18af886ee582c4d4dcd7b38966a2fa68f95c335033346b9045cdba4a8650e023f548f40237179641b335ba371f6ab371f0af8684ef43e4822758df5ffcb81dcd

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

Filesize
6KB

MD5
7fcd4eee1149cd673527d1d276e09c1e

SHA1
a6b62976848f7d3f7ad1a5f057c1e4d38aa669e2

SHA256
73d12fe8a1af7a7d5106e18a0b9fadf295b36d5a7928acddcb296c14c296f558

SHA512
1100fd1998c2cd47026985e18150d133f8b34b85c07a8b988efd0bae4ee666209b4b4a03122e562dd7122f9decc17c2cf816468f8abfea6b84dda818368016b0

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
63eeb85a1db7ea0c6a6be146665341ba

SHA1
f5016856a93a17b2e05689fe5184c02f026dfc6c

SHA256
fafefa6e474ccb26b534680dbb78f33021d7e7c03fa9897081f4b77e08b6f687

SHA512
4c5be63df40b44b00368ee4ecb5bba51a302a1ff09b664f506b5b947c546592084c756f86fab7da9a8118db55a9ffe45543f21f8d982d9eab6cb4552cbf09669

Download Submit