hxxp://www[.]lefoyer[.]blog

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 11:10

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General

Target

http://www.lefoyer.blog

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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
5116	msedge.exe
5116	msedge.exe
3760	msedge.exe
3760	msedge.exe
4252	identity_helper.exe
4252	identity_helper.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe
3760	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 4452	3760	msedge.exe	82
PID 3760 wrote to memory of 4452	3760	msedge.exe	82
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 1864	3760	msedge.exe	83
PID 3760 wrote to memory of 5116	3760	msedge.exe	84
PID 3760 wrote to memory of 5116	3760	msedge.exe	84
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85
PID 3760 wrote to memory of 1096	3760	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.lefoyer.blog
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:3760
- 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,0x100,0x104,0xd8,0x108,0x7ff904ef46f8,0x7ff904ef4708,0x7ff904ef4718
  2⤵
  PID:4452
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,11207354799366613334,13527477324835012645,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
  2⤵
  PID:1864
- 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=2088,11207354799366613334,13527477324835012645,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2160 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5116
- 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=2088,11207354799366613334,13527477324835012645,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
  2⤵
  PID:1096
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,11207354799366613334,13527477324835012645,131072 --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:2672
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,11207354799366613334,13527477324835012645,131072 --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=3260 /prefetch:1
  2⤵
  PID:2824
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,11207354799366613334,13527477324835012645,131072 --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=4700 /prefetch:1
  2⤵
  PID:4380
- 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=2088,11207354799366613334,13527477324835012645,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5240 /prefetch:8
  2⤵
  PID:4248
- 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=2088,11207354799366613334,13527477324835012645,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5240 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4252
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,11207354799366613334,13527477324835012645,131072 --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=5404 /prefetch:1
  2⤵
  PID:4520
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,11207354799366613334,13527477324835012645,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5560 /prefetch:1
  2⤵
  PID:4816
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,11207354799366613334,13527477324835012645,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5520 /prefetch:1
  2⤵
  PID:1516
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,11207354799366613334,13527477324835012645,131072 --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=5952 /prefetch:1
  2⤵
  PID:4924
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,11207354799366613334,13527477324835012645,131072 --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=3120 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4964

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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
53bc70ecb115bdbabe67620c416fe9b3

SHA1
af66ec51a13a59639eaf54d62ff3b4f092bb2fc1

SHA256
b36cad5c1f7bc7d07c7eaa2f3cad2959ddb5447d4d3adcb46eb6a99808e22771

SHA512
cad44933b94e17908c0eb8ac5feeb53d03a7720d97e7ccc8724a1ed3021a5bece09e1f9f3cec56ce0739176ebbbeb20729e650f8bca04e5060c986b75d8e4921

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

Filesize
152B

MD5
e765f3d75e6b0e4a7119c8b14d47d8da

SHA1
cc9f7c7826c2e1a129e7d98884926076c3714fc0

SHA256
986443556d3878258b710d9d9efbf4f25f0d764c3f83dc54217f2b12a6eccd89

SHA512
a1872a849f27da78ebe9adb9beb260cb49ed5f4ca2d403f23379112bdfcd2482446a6708188100496e45db1517cdb43aba8bb93a75e605713c3f97cd716b1079

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
72B

MD5
2de23a793eca624ae27095193c158e00

SHA1
baaeb21eedc7f9a1d4829ecfb01d0be906aa9622

SHA256
2016619ed0f2ca9d33c418c39fa8f445caf800f335a5de4f0f3389e4824647c4

SHA512
5b0b0e270784921aad91eeb882648882c612af559d678ce3d7d27c6060634684cd017d70942018cb7426c5ab63b9001c2ed5567e05a662ecf9a6b1b6f98cd066

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

Filesize
321B

MD5
615d147ce4043da0c83e9e68728bf4c4

SHA1
0ae36747db282d6cd4d8c5963e5c419c1d59a186

SHA256
e0b420babef11604849c7ed6ee543b360912fa3830aefb85331df30c4d33bb53

SHA512
b585d2fc853daaca81ddaad19df90e50dfd589c4461c41b4574d3ef4f589d81926aaebc0d5db1cd673236074411a95180f281c86624058fb14277cd04e695979

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

Filesize
5KB

MD5
49d3cffc0316286d9f3d4ef5ac70cf3c

SHA1
5d6d37641ed139bb158d56f45f868afb2c0b6af5

SHA256
9efcfabf731092fb2978ebfc573a70ac1e68f4b838a25c22cf0a22be57c9d96c

SHA512
9d2244e63adf013bf315b70b60042d76cf0a9700694a52bf1314ee1187751fc3236b4e4e0afca334cfcaba8bfb2b27e5e124f73e8ca9bd562a4762401a16c929

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

Filesize
6KB

MD5
a98a5246ded021e96eb9b21ffb6669a6

SHA1
836b2ff266a9ab62c882a7f9fa9b2d6cfad3de79

SHA256
d5dff93a96a28b5fae983ca41aef774f618e3ca5eef1de96faa2b78ba6141639

SHA512
56ba884b20888f6bb8b893ebb5f4f34fa016b664da89b26f725a81302bd1494ba76b8b4004165362de12dc88eb7e22c70831f1850ecab7e73d09495c77f2e5a7

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
10KB

MD5
2bd0b1e6f4053f91b39faba6bcb998b0

SHA1
f0450bbcb84f8f65b79ddfcadf0d6b41d71dc42c

SHA256
72673e51af6bf563ce44989efed63e80bde89ca7431189f8e4d3a0b815ea2fdd

SHA512
d69085152bdd776184c76f725adc8ed1c6c7831054ae3d68140879d7153ccfe964fff509c055e4ccf21c27f2172d1516a2a890b91ca5d0d8c994fa10211569e7

Download Submit