62248ffa1f0d2f2643e2ead9e0c8c1b71c0b48ce19e4e0591d921f80e21ee087

Analysis

max time kernel
149s
max time network
153s
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/inc/flash.htm
Size

1KB
MD5

6346f09abc38136882aefbed0dc622c3
SHA1

a2d58fc622181e794d6ccb29269854c26539cf2a
SHA256

cb473a0ec7e598a9fb6b47f69d44d768e1dc2d04ab896137e9b4e1ec2ae5e74a
SHA512

a2eb856f3815a580d45b1e45f214848244f12ede61d3115d66310a0ae5f929c6bef1608cd3559e5530efa6fcd5996f7092128422b511f76511a6edb8f2c2e853

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
4760	msedge.exe
4760	msedge.exe
1960	msedge.exe
1960	msedge.exe
1108	identity_helper.exe
1108	identity_helper.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe
1960	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 3012	1960	msedge.exe	84
PID 1960 wrote to memory of 3012	1960	msedge.exe	84
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4964	1960	msedge.exe	85
PID 1960 wrote to memory of 4760	1960	msedge.exe	86
PID 1960 wrote to memory of 4760	1960	msedge.exe	86
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	msedge.exe	87
PID 1960 wrote to memory of 3212	1960	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\inc\flash.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:1960
- 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,0x100,0x104,0xd8,0x108,0x7fffdda646f8,0x7fffdda64708,0x7fffdda64718
  2⤵
  PID:3012
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,8380722679525739336,4789951634447438574,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
  2⤵
  PID:4964
- 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=2100,8380722679525739336,4789951634447438574,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2200 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4760
- 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=2100,8380722679525739336,4789951634447438574,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2808 /prefetch:8
  2⤵
  PID:3212
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,8380722679525739336,4789951634447438574,131072 --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=3176 /prefetch:1
  2⤵
  PID:1348
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,8380722679525739336,4789951634447438574,131072 --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=3188 /prefetch:1
  2⤵
  PID:3744
- 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=2100,8380722679525739336,4789951634447438574,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5076 /prefetch:8
  2⤵
  PID:1932
- 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=2100,8380722679525739336,4789951634447438574,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5076 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1108
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,8380722679525739336,4789951634447438574,131072 --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=5104 /prefetch:1
  2⤵
  PID:1552
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,8380722679525739336,4789951634447438574,131072 --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=5156 /prefetch:1
  2⤵
  PID:4828
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,8380722679525739336,4789951634447438574,131072 --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=5480 /prefetch:1
  2⤵
  PID:2260
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,8380722679525739336,4789951634447438574,131072 --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=5176 /prefetch:1
  2⤵
  PID:2572
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,8380722679525739336,4789951634447438574,131072 --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=1956 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5012

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3396

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
d406f3135e11b0a0829109c1090a41dc

SHA1
810f00e803c17274f9af074fc6c47849ad6e873e

SHA256
91f57909a10174b06c862089a9c1f3b3aeafea74a70ee1942ce11bb80d9eace4

SHA512
2b9f0f94b1e8a1b62ab38af8df2add0ec9e4c6dfa94d9c84cc24fe86d2d57d4fc0d9ec8a9775cf42a859ddfd130260128185a0e2588992bca8fd4ebf5ee6d409

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

Filesize
152B

MD5
7f37f119665df6beaa925337bbff0e84

SHA1
c2601d11f8aa77e12ab3508479cbf20c27cbd865

SHA256
1073dbff3ec315ac85361c35c8ba791cc4198149b097c7b287dda1d791925027

SHA512
8e180e41dd27c51e81788564b19b8ff411028890da506fbf767d394b1e73ec53e046c8d07235b2ec7c1c593c976bbf74ed9b7d442d68b526a0a77a9b5b0ab817

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

Filesize
6KB

MD5
33ff82f6bb27948281b47f2d6f985f0d

SHA1
914bbe0c6f6aa619d4d3e929ece706f120595da8

SHA256
b7530afa5a9f614f1beecc7e61b4fc2e1421daf07e4bea22f50e613da7aadf35

SHA512
25344d40881a2e55d2a66c6dac804dae0ef8557aaeb2cfbd8d5d6173e2b69cf3b90ba0f47a23d57af17566a05c317d2708121162074e85472de7e428234ca0df

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

Filesize
6KB

MD5
adf1cf8bb3cfb027c45689d07f5a5164

SHA1
a5a2bcbd09afb77083cd2757d6969dbe731d3b35

SHA256
b6cc1e5078bbba4f5cbb36cd50b43d20ad655e0fada0a260277bd7bd3bf322db

SHA512
17834f67d08875f39e21f46cae85f937b4f7b0002edd0950a9444df9890e66ce06480e571adffe730ca3c0e1fc9e65f9de6f42175f70d52d8cee2098bf65fb30

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
a15e400d78159601ba11085dae7089eb

SHA1
bd86bb4a48e4d3a079b5123f08c092f7f3fd173e

SHA256
4f0d052eb3e975473cc11055754975d83c0cf647bfd26777ee208f754df09093

SHA512
73cfff98516d8d63208f64ecfb1b0f498d8f763979aaf2a4d435f4495747d4cf9ecc6b97c37cf872ae25be7d5530eb7440d0225ba0f7ac16c070ea82e85cf0a2

Download Submit