hxxp://purechat[.]com

Resubmissions

24/06/2024, 12:43

240624-px4vqssenf 1

24/06/2024, 12:36

240624-ps8m5awcjq 1

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
24/06/2024, 12:43

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General

Target

http://purechat.com

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\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1152	msedge.exe
1152	msedge.exe
1400	msedge.exe
1400	msedge.exe
1520	msedge.exe
1520	msedge.exe
4776	identity_helper.exe
4776	identity_helper.exe
4124	msedge.exe
4124	msedge.exe
4124	msedge.exe
4124	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe
1400	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 132	1400	msedge.exe	77
PID 1400 wrote to memory of 132	1400	msedge.exe	77
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 4820	1400	msedge.exe	78
PID 1400 wrote to memory of 1152	1400	msedge.exe	79
PID 1400 wrote to memory of 1152	1400	msedge.exe	79
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80
PID 1400 wrote to memory of 3204	1400	msedge.exe	80

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://purechat.com
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:1400
- 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,0x7ffb0aa13cb8,0x7ffb0aa13cc8,0x7ffb0aa13cd8
  2⤵
  PID:132
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1912 /prefetch:2
  2⤵
  PID:4820
- 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=1884,15437247475841373945,9500815276309459668,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2300 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1152
- 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=1884,15437247475841373945,9500815276309459668,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2664 /prefetch:8
  2⤵
  PID:3204
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=3196 /prefetch:1
  2⤵
  PID:2752
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=3240 /prefetch:1
  2⤵
  PID:72
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=4928 /prefetch:1
  2⤵
  PID:3128
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=3548 /prefetch:1
  2⤵
  PID:4788
- 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=1884,15437247475841373945,9500815276309459668,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4760 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1520
- 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=1884,15437247475841373945,9500815276309459668,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5208 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4776
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=4544 /prefetch:1
  2⤵
  PID:4860
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=4636 /prefetch:1
  2⤵
  PID:2456
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=4332 /prefetch:1
  2⤵
  PID:2460
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=3568 /prefetch:1
  2⤵
  PID:1244
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=5588 /prefetch:1
  2⤵
  PID:4904
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=4284 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4124
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,15437247475841373945,9500815276309459668,131072 --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=4684 /prefetch:1
  2⤵
  PID:1520

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4020

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2668

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
0d84d1490aa9f725b68407eab8f0030e

SHA1
83964574467b7422e160af34ef024d1821d6d1c3

SHA256
40c09bb0248add089873d1117aadefb46c1b4e23241ba4621f707312de9c829e

SHA512
f84552335ff96b5b4841ec26e222c24af79b6d0271d27ad05a9dfcee254a7b9e9019e7fac0def1245a74754fae81f7126499bf1001615073284052aaa949fa00

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

Filesize
152B

MD5
0c705388d79c00418e5c1751159353e3

SHA1
aaeafebce5483626ef82813d286511c1f353f861

SHA256
697bd270be634688c48210bee7c5111d7897fd71a6af0bbb2141cefd2f8e4a4d

SHA512
c1614e79650ab9822c4e175ba528ea4efadc7a6313204e4e69b4a9bd06327fb92f56fba95f2595885b1604ca8d8f6b282ab542988995c674d89901da2bc4186f

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

Filesize
5KB

MD5
ca290aeb8a6c51b1ef2c363226d51c94

SHA1
649968945ed148df9e09cb579173746697f7c508

SHA256
0b96456e085f2521f49c8a0c3bf8cfb9484f91acda344114047380ab303f1081

SHA512
6ecd21d76d5458e0e01d6fc38b479efb6c2fbcd990b43c5bb5ecb40b4c2d1d3264cf1461566109462687bffd9707c3316be38a97b70b6217af69ed2f83eff9b9

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
761a644986ce50d279be185eeb0ab40d

SHA1
e625a1d4d42fe85d3dd14b5be1f47be8047fb7b0

SHA256
b557467237cba9b54db55caa65785b78de7b3fc7f13ec85ee84146c3fe847216

SHA512
7281270210c7ce2f8201bc9ed554524cb929711c8b0b3c4fd4b8fcebb1dedfb2bb5f9391fcf475b367821b8a3c9901734b81352f15bb7f03bbf23306f0920660

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

Filesize
8KB

MD5
6266d83e463e840232df82213ead37e6

SHA1
887af55abb7c7b7de945bd7c8e19c3cd70884c48

SHA256
7904eb55ca917bc97394a335c5e69ea7176726399c3433f16ebbaf844b2dc5db

SHA512
878b771e49482230810e6cb77c0ed130d9ae4d23f9718f9748c451d0f73ffdcc8be7216f253885cf3748e21457d8a9db7f4f9218578791c7dfeee8adce70bb96

Download Submit