62248ffa1f0d2f2643e2ead9e0c8c1b71c0b48ce19e4e0591d921f80e21ee087

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2024, 01:01

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General

Target

caokun_bbs_GBK_V33/HTMLEdit/wbTextBox/swf.htm
Size

1KB
MD5

5dda56c9a98aafc8e632a66355e5d691
SHA1

b26882ffa52926e7e980d0bbbd57fc333f3ef340
SHA256

6222a165e66e8c93316f6eeab51e37f1e978211978cbbbbeea31e8558f586f8a
SHA512

c09e7368cb98d342583f6fa81c0848fb5ef5724ac25ebd73bc3127702d4490dd1fed1031b162728597345b86c418cd83e6cf697d7e9f13d1de00d2a26e195856

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 10 IoCs

pid	Process
3236	msedge.exe
3236	msedge.exe
3648	msedge.exe
3648	msedge.exe
4724	identity_helper.exe
4724	identity_helper.exe
644	msedge.exe
644	msedge.exe
644	msedge.exe
644	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe
3648	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 3744	3648	msedge.exe	84
PID 3648 wrote to memory of 3744	3648	msedge.exe	84
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 2076	3648	msedge.exe	85
PID 3648 wrote to memory of 3236	3648	msedge.exe	86
PID 3648 wrote to memory of 3236	3648	msedge.exe	86
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87
PID 3648 wrote to memory of 2896	3648	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Local\Temp\caokun_bbs_GBK_V33\HTMLEdit\wbTextBox\swf.htm
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:3648
- 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,0x100,0x104,0xd8,0x108,0x7ffa79f746f8,0x7ffa79f74708,0x7ffa79f74718
  2⤵
  PID:3744
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,16628305065988346236,11825893837802591321,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
  2⤵
  PID:2076
- 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=2096,16628305065988346236,11825893837802591321,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2160 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3236
- 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=2096,16628305065988346236,11825893837802591321,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2852 /prefetch:8
  2⤵
  PID:2896
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,16628305065988346236,11825893837802591321,131072 --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=3324 /prefetch:1
  2⤵
  PID:2820
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,16628305065988346236,11825893837802591321,131072 --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=3456 /prefetch:1
  2⤵
  PID:1852
- 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=2096,16628305065988346236,11825893837802591321,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 /prefetch:8
  2⤵
  PID:316
- 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=2096,16628305065988346236,11825893837802591321,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4724
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,16628305065988346236,11825893837802591321,131072 --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=4700 /prefetch:1
  2⤵
  PID:2248
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,16628305065988346236,11825893837802591321,131072 --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=5312 /prefetch:1
  2⤵
  PID:868
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,16628305065988346236,11825893837802591321,131072 --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=4756 /prefetch:1
  2⤵
  PID:984
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,16628305065988346236,11825893837802591321,131072 --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=4880 /prefetch:1
  2⤵
  PID:1660
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,16628305065988346236,11825893837802591321,131072 --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=5624 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2528

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
c00b0d6e0f836dfa596c6df9d3b2f8f2

SHA1
69ad27d9b4502630728f98917f67307e9dd12a30

SHA256
578481cd359c669455e24983b13723c25584f58925b47283cb580019ef3142b1

SHA512
0e098ab5f5772fec17880e228a0dccbbaa06dc1af14e0fd827f361599c61899fe07d612a7f7b049ff6661d27fdc495566dd20fc28ceed022b87c212bf00be5da

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

Filesize
152B

MD5
54f1b76300ce15e44e5cc1a3947f5ca9

SHA1
c978bfaa6ec6dae05464c6426eaa6cb3c3e2f3b7

SHA256
43dec5d87b7ee892a3d99cb61f772ba403882ac0772423f36034e84244c1ca24

SHA512
ac26e5676c675be329eb62b5d5a36a0e6014ab8a6366684b0fc2a59ae5f061f596f462b82eb4e9f135d2235a0cbd4af96680d234eecc873a8397fd81507d277a

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

Filesize
6KB

MD5
1ec7be5ccd84db45ab622c9c9c1b7c3c

SHA1
5dce64599d8ce26d20e24ac6b2e31d3e2a100426

SHA256
c6c88ad8834d8c063c0426837f1d27297f2c0b6ba78b7b3c218c1aa6df5b4e20

SHA512
c8fc39716e953a03c84bdcce3f53af4734c48d9ece5b5ba124673141b09afdfde8b9e5590135d15ba3945f97eafab9aa03fe82e6483edc37847031415c346563

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

Filesize
6KB

MD5
c4a06eba2d4b4b19c9adb76e20ceda7d

SHA1
1a480d129f392d3b5f7d04b21b9d754ed2081c9c

SHA256
a4d69c396998ac80ef6ae6f8b1e16403efbefbf845cdb8fe1db5447a72f02b62

SHA512
efb98b0989e7294cddb24922aab89184840e873f2950ae17f87654a01d724c70ed672737be95ea77b47ca8ead8e5bdcf1f1ed11fb3e82e97d8bf75cf1eecb04e

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
11KB

MD5
94bacbf54fcdb700a27adb97153ceb3b

SHA1
f24a2469c31b6b067d03fdf6d7b7f1838ac4decb

SHA256
8933397e733588c27049066ea5c03d602a7ec378208c15f59e15515c4dc70b6d

SHA512
d5713755093b95bd99413b3cc9535ee524017ca36c56cd581d7d8b457d7bb058f29ab6988a9cf660bdae8200a314cdb274c055e884bd74e0c8bda9ed34a3eb37

Download Submit