hxxp://autodiscover[.]welovelettings[.]co[.]uk

Analysis

max time kernel
10s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 08:30

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General

Target

http://autodiscover.welovelettings.co.uk

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 6 IoCs

pid	Process
2820	msedge.exe
2820	msedge.exe
1640	msedge.exe
1640	msedge.exe
2960	identity_helper.exe
2960	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

pid	Process
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe
1640	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1008	1640	msedge.exe	86
PID 1640 wrote to memory of 1008	1640	msedge.exe	86
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 3968	1640	msedge.exe	89
PID 1640 wrote to memory of 2820	1640	msedge.exe	90
PID 1640 wrote to memory of 2820	1640	msedge.exe	90
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91
PID 1640 wrote to memory of 1960	1640	msedge.exe	91

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://autodiscover.welovelettings.co.uk
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:1640
- 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,0x100,0x104,0xd8,0x108,0x7ffd21ae46f8,0x7ffd21ae4708,0x7ffd21ae4718
  2⤵
  PID:1008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,17749668506973815397,3192806407584361245,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2144 /prefetch:2
  2⤵
  PID:3968
- 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=2132,17749668506973815397,3192806407584361245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2208 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2820
- 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=2132,17749668506973815397,3192806407584361245,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2720 /prefetch:8
  2⤵
  PID:1960
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17749668506973815397,3192806407584361245,131072 --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=3276 /prefetch:1
  2⤵
  PID:1276
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17749668506973815397,3192806407584361245,131072 --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=3308 /prefetch:1
  2⤵
  PID:1508
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17749668506973815397,3192806407584361245,131072 --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=4736 /prefetch:1
  2⤵
  PID:3188
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17749668506973815397,3192806407584361245,131072 --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=5224 /prefetch:1
  2⤵
  PID:1732
- 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=2132,17749668506973815397,3192806407584361245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5528 /prefetch:8
  2⤵
  PID:3920
- 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=2132,17749668506973815397,3192806407584361245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5528 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2960
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17749668506973815397,3192806407584361245,131072 --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=4764 /prefetch:1
  2⤵
  PID:2296
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17749668506973815397,3192806407584361245,131072 --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=3364 /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=2132,17749668506973815397,3192806407584361245,131072 --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=5716 /prefetch:1
  2⤵
  PID:2628
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17749668506973815397,3192806407584361245,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5604 /prefetch:1
  2⤵
  PID:5068

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2012

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4776

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
2f842025e22e522658c640cfc7edc529

SHA1
4c2b24b02709acdd159f1b9bbeb396e52af27033

SHA256
1191573f2a7c12f0b9b8460e06dc36ca5386305eb8c883ebbbc8eb15f4d8e23e

SHA512
6e4393fd43984722229020ef662fc5981f253de31f13f30fadd6660bbc9ededcbfd163f132f6adaf42d435873322a5d0d3eea60060cf0e7f2e256262632c5d05

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

Filesize
152B

MD5
54aadd2d8ec66e446f1edb466b99ba8d

SHA1
a94f02b035dc918d8d9a46e6886413f15be5bff0

SHA256
1971045943002ef01930add9ba1a96a92ddc10d6c581ce29e33c38c2120b130e

SHA512
7e077f903463da60b5587aed4f5352060df400ebda713b602b88c15cb2f91076531ea07546a9352df772656065e0bf27bd285905a60f036a5c5951076d35e994

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000006

Filesize
211KB

MD5
151fb811968eaf8efb840908b89dc9d4

SHA1
7ec811009fd9b0e6d92d12d78b002275f2f1bee1

SHA256
043fd8558e4a5a60aaccd2f0377f77a544e3e375242e9d7200dc6e51f94103ed

SHA512
83aface0ab01da52fd077f747c9d5916e3c06b0ea5c551d7d316707ec3e8f3f986ce1c82e6f2136e48c6511a83cb0ac67ff6dc8f0e440ac72fc6854086a87674

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000007

Filesize
24KB

MD5
c594a826934b9505d591d0f7a7df80b7

SHA1
c04b8637e686f71f3fc46a29a86346ba9b04ae18

SHA256
e664eef3d68ac6336a28be033165d4780e8a5ab28f0d90df1b148ef86babb610

SHA512
04a1dfdb8ee2f5fefa101d5e3ff36e87659fd774e96aa8c5941d3353ccc268a125822cf01533c74839e5f1c54725da9cc437d3d69b88e5bf3f99caccd4d75961

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

Filesize
5KB

MD5
7279cbf389edc867dbc3108400312d4c

SHA1
f984b5e33326738145da313ab6d0d8c619f945c3

SHA256
9aedc3e81eadf6c0d2db3c5c941134da247389ed553e5ade02871a893c47eca4

SHA512
c9160206690f1c7a4b1a05da5aabcf418a8d9be21353a392a364350bf12860ec7e3b66caaff0c580e9de8dc3addd24089396231714fe7b5a011dbbb9a9e342a4

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