hxxps://l7nexus[.]cc/

Analysis

max time kernel
550s
max time network
492s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
05/07/2024, 18:48

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General

Target

https://l7nexus.cc/

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 12 IoCs

pid	Process
1680	msedge.exe
1680	msedge.exe
1480	msedge.exe
1480	msedge.exe
4900	msedge.exe
4900	msedge.exe
1016	identity_helper.exe
1016	identity_helper.exe
2000	msedge.exe
2000	msedge.exe
2000	msedge.exe
2000	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 11 IoCs

pid	Process
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe
1480	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 1584	1480	msedge.exe	77
PID 1480 wrote to memory of 1584	1480	msedge.exe	77
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 2532	1480	msedge.exe	78
PID 1480 wrote to memory of 1680	1480	msedge.exe	79
PID 1480 wrote to memory of 1680	1480	msedge.exe	79
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80
PID 1480 wrote to memory of 1432	1480	msedge.exe	80

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://l7nexus.cc/
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:1480
- 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffa331f3cb8,0x7ffa331f3cc8,0x7ffa331f3cd8
  2⤵
  PID:1584
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1928 /prefetch:2
  2⤵
  PID:2532
- 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=1916,10053113722446868971,11259733337209105125,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1964 /prefetch:3
  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=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2636 /prefetch:8
  2⤵
  PID:1432
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=3240 /prefetch:1
  2⤵
  PID:1344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=3256 /prefetch:1
  2⤵
  PID:3228
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=4648 /prefetch:1
  2⤵
  PID:344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=3480 /prefetch:1
  2⤵
  PID:912
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=3440 /prefetch:1
  2⤵
  PID:1416
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=5052 /prefetch:1
  2⤵
  PID:3124
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5152 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4900
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=4688 /prefetch:1
  2⤵
  PID:5064
- C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4604 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=3516 /prefetch:1
  2⤵
  PID:3700
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=2916 /prefetch:1
  2⤵
  PID:2152
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1852 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2000
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --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=4004 /prefetch:1
  2⤵
  PID:792
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,10053113722446868971,11259733337209105125,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3632 /prefetch:1
  2⤵
  PID:3912

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3224

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
d56e8f308a28ac4183257a7950ab5c89

SHA1
044969c58cef041a073c2d132fa66ccc1ee553fe

SHA256
0bc24451c65457abc1e4e340be2f8faceae6b6ec7768a21d44bcd14636543bae

SHA512
fd5798559f4025ec3408f5550b8671d394b1ec83b85fdac8c005b0cc3e183272bdd07db15a156a572c9c5e5798badf235dc10aae62a052efa8dd9dfdbdca8189

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

Filesize
152B

MD5
8f2eb94e31cadfb6eb07e6bbe61ef7ae

SHA1
3f42b0d5a90408689e7f7941f8db72a67d5a2eab

SHA256
d222c8e3b19cda2657629a486faf32962e016fc66561ce0d17010afdb283c9de

SHA512
9f7f84149885b851e0bf7173c540e466a2b2eb9907d8b608f60360933328cc75d9d1b63640ea4ecc1e64ecc5dd7ee74d82903f96a8b4418ca56296641a8c0703

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

Filesize
5KB

MD5
53594338ea53afd157b7dfe9472e1da8

SHA1
79ed90b8889f871bc2ed5bb7097be9c8511638b2

SHA256
5c3ef8054fbdc6eec815c39ee2670ebd605541607aa6d9ce40ab0ba36ed06bad

SHA512
045fa3e7de00c82614037b114d31abeca9ecb57f549f43de0da9366ff251594f5b8c5fe9175eb28e378803ea2482725e0b59e5f122b85be07885775c8497efcd

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
a7808fb5fbb86566294666a20199a3c8

SHA1
a2e68ccc434d3ee5deee1f962a7a7e2d7e4c9dd0

SHA256
db58bc1a2c90a5e8bc7aa9d9d7611868654e33ddf8e16202bc3728dbbc38ca58

SHA512
071f8a0f4659c40c52b7f1dbd222f016c66f5b3674b75cd9f4288b03a8e47819ff76df19351c62948e4841686edfdb44359395a3dd06e7027f249b8470318fb7

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

Filesize
8KB

MD5
b79e0394f89b678c788d1c37d8a7b227

SHA1
25f026bda22b1bf5f137c6247fcbb99f91ee4f33

SHA256
d6fcfe8f430aea801ac08a68ec9664a0a7ec4c40a0467882462121f86d8d014b

SHA512
f2cf9975b96872313182113ed745280108e3a7c89b309351d81a4e9b9fb56ee7a7054c48d30df7e88ffaf84ff92f9381efa808ceda968ca4a18badf62a4222e2

Download Submit