hxxps://d[.]kuku[.]lu/e83n5b66a

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 13:15

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General

Target

https://d.kuku.lu/e83n5b66a

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
752	msedge.exe
752	msedge.exe
2768	msedge.exe
2768	msedge.exe
3628	identity_helper.exe
3628	identity_helper.exe
1680	msedge.exe
1680	msedge.exe
1680	msedge.exe
1680	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 11 IoCs

pid	Process
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe
2768	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2112	2768	msedge.exe	81
PID 2768 wrote to memory of 2112	2768	msedge.exe	81
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 2728	2768	msedge.exe	82
PID 2768 wrote to memory of 752	2768	msedge.exe	83
PID 2768 wrote to memory of 752	2768	msedge.exe	83
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84
PID 2768 wrote to memory of 2204	2768	msedge.exe	84

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://d.kuku.lu/e83n5b66a
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:2768
- 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,0x100,0x104,0xd8,0x108,0x7ffd5eb246f8,0x7ffd5eb24708,0x7ffd5eb24718
  2⤵
  PID:2112
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2076 /prefetch:2
  2⤵
  PID:2728
- 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=2056,7763141307104490004,6728585875355210849,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2320 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:752
- 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=2056,7763141307104490004,6728585875355210849,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2644 /prefetch:8
  2⤵
  PID:2204
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=3308 /prefetch:1
  2⤵
  PID:3448
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=3316 /prefetch:1
  2⤵
  PID:3692
- 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=2056,7763141307104490004,6728585875355210849,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5084 /prefetch:8
  2⤵
  PID:684
- 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=2056,7763141307104490004,6728585875355210849,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5084 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3628
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=4176 /prefetch:1
  2⤵
  PID:1760
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=4232 /prefetch:1
  2⤵
  PID:3076
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=3488 /prefetch:1
  2⤵
  PID:4476
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=5188 /prefetch:1
  2⤵
  PID:4688
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5500 /prefetch:1
  2⤵
  PID:1940
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=3956 /prefetch:1
  2⤵
  PID:3008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=4080 /prefetch:1
  2⤵
  PID:3124
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=2152 /prefetch:1
  2⤵
  PID:1028
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --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=1964 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1680
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,7763141307104490004,6728585875355210849,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4612 /prefetch:1
  2⤵
  PID:4984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1176

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3080

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
ce4c898f8fc7601e2fbc252fdadb5115

SHA1
01bf06badc5da353e539c7c07527d30dccc55a91

SHA256
bce2dfaa91f0d44e977e0f79c60e64954a7b9dc828b0e30fbaa67dbe82f750aa

SHA512
80fff4c722c8d3e69ec4f09510779b7e3518ae60725d2d36903e606a27ec1eaedbdbfac5b662bf2c19194c572ccf0125445f22a907b329ad256e6c00b9cf032c

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

Filesize
152B

MD5
4158365912175436289496136e7912c2

SHA1
813d11f772b1cfe9ceac2bf37f4f741e5e8fbe59

SHA256
354de4b033ba6e4d85f94d91230cb8501f62e0a4e302cd4076c7e0ad73bedbd1

SHA512
74b4f7b24ad4ea395f3a4cd8dbfae54f112a7c87bce3d286ee5161f6b63d62dfa19bb0d96bb7ed1c6d925f5697a2580c25023d5052c6a09992e6fd9dd49ea82b

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

Filesize
5KB

MD5
fa1a09ade57745c7336fe44b32267c6d

SHA1
a5622d4b93d8abc5f18261a41a60cdef3a567cd3

SHA256
eed3db782bbb803fe58e1a9ba412163abba838540d7b31cd2efd82d8538c67f8

SHA512
af9650bcd7ca45b9ec57da7aadbaba6c7332aea98cb5843c82e2915b6f777a5d413f708e4925f669ae0e964ebc603d0b8a0ca7371763b6c392bc153226a3545d

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

Filesize
6KB

MD5
8c66c5bfb87c825e27e249db206ebf89

SHA1
1e9155bf19ce9f3ea0d6367abf8019d613176ece

SHA256
c36e23a26e510af408e011b8ab317462b290eba36c8730bebf9c9d26ced5dfe6

SHA512
2b1a699baff8b755f5d0cd57b4f30a760b1ce2d8dc03f371d027cab5e99413c8a3af3ac27e23029bf6ce83339baa3b7124756da3e5c1ad7ae2cda84b76c15c5f

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
8KB

MD5
76ac8d64c2ccfb1a0a7c60fa635a7e4c

SHA1
a856b9605aa2bfa3fa5477ba0198fa096b338a53

SHA256
513926fa14cf18ac183ff760f7f7561f474ea6d4b3974a6494c5b85216fa5e19

SHA512
06a0a7adbef366d6ad0662c50e7c58732b6ab5f4eae4999103491d63497f83554b7413613f5aa4793e794a4762872927dcb98839e4a828a93ef9d49b42d8a563

Download Submit