hxxp://purechat[.]com

Resubmissions

24/06/2024, 12:43

240624-px4vqssenf 1

24/06/2024, 12:36

240624-ps8m5awcjq 1

Analysis

max time kernel
145s
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, 12:36

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

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
864	msedge.exe
864	msedge.exe
3956	msedge.exe
3956	msedge.exe
648	msedge.exe
648	msedge.exe
4748	identity_helper.exe
4748	identity_helper.exe
3836	msedge.exe
3836	msedge.exe
3836	msedge.exe
3836	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 856	3956	msedge.exe	77
PID 3956 wrote to memory of 856	3956	msedge.exe	77
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 248	3956	msedge.exe	78
PID 3956 wrote to memory of 864	3956	msedge.exe	79
PID 3956 wrote to memory of 864	3956	msedge.exe	79
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	msedge.exe	80
PID 3956 wrote to memory of 3548	3956	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:3956
- 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:856
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1928 /prefetch:2
  2⤵
  PID:248
- 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=1916,9471395666764284471,13840413883160362355,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2380 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:864
- 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=1916,9471395666764284471,13840413883160362355,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2576 /prefetch:8
  2⤵
  PID:3548
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=3140 /prefetch:1
  2⤵
  PID:828
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=3168 /prefetch:1
  2⤵
  PID:1800
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=5028 /prefetch:1
  2⤵
  PID:2336
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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:336
- 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=1916,9471395666764284471,13840413883160362355,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2012 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:648
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=5100 /prefetch:1
  2⤵
  PID:5024
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=5064 /prefetch:1
  2⤵
  PID:1700
- 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=1916,9471395666764284471,13840413883160362355,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5640 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4748
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=4164 /prefetch:1
  2⤵
  PID:3608
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=3468 /prefetch:1
  2⤵
  PID:3100
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=1660 /prefetch:1
  2⤵
  PID:224
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=6140 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3836
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,9471395666764284471,13840413883160362355,131072 --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=3988 /prefetch:1
  2⤵
  PID:4392

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3180

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2328

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
4f8c16d9eae14440d1e287cea209a152

SHA1
028c6d99e33a3da02a6754502a6d56e58fa45150

SHA256
2650576bc7866d41574b0dc8b52c81f9bf286e13941b1b32bee544a643fa0b90

SHA512
bef5aa782452fd57a450e0872cbd5bc7cae4fb7e95da002310f623b4cddef63ae5da7226507c98e08e168801c408e637396241308976e4088ca539c9aeb98122

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

Filesize
5KB

MD5
1dfb584c147b4d3d0cff401dec0d28e5

SHA1
fa09640662aa7a0df48c150d0d566a60b93ebc6c

SHA256
12e52d746598df7f8d067224434cf3b322e33bf6f16e3fbfb807e6f51591898f

SHA512
3f291626726970f44def088b67526e54102cb3d7b532a673a0b5d727dfaac18303be481ce572d9fa309cd84576d53bb0c7ae8d198b8fdb7eb9deeabc755e7276

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
1c09d5b854935e8883806308c9ea509f

SHA1
ad915e2187c4d0260f14af777439fde0293b7d4e

SHA256
0cd4c734b263a22a6265ee293b7803179d98ba9112c6225f5380d4cbecb031ed

SHA512
b22e3658a7002462f01896acdbf988331c9430497aaa9ee76f599ed5fd8d658d6e14c135b72c5a6e2fdec6f6b5c117fc73db244759b9a2535d0843c19ab65056

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

Filesize
8KB

MD5
1fa4e7e796b12243a2e672f3f3794795

SHA1
5a60aace52340b230e9ad6a2e9622caeb424ed22

SHA256
c49178b017069407362744186685f678def4c62b82aa7fa48d94515f9e76a48c

SHA512
73817148915c9e10951684d6f2151d3927e364baa43164af3495ebe6ef226012133c26bf390d54b83505350296821d441c19716d9049a595967d6014c7fbf900

Download Submit