62248ffa1f0d2f2643e2ead9e0c8c1b71c0b48ce19e4e0591d921f80e21ee087

Analysis

max time kernel
147s
max time network
154s
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/help.html
Size

696B
MD5

b9194e014b4c5728fbe838f39d1b616c
SHA1

4da3de3fc21f9f37b9924e69fd9739d48d483808
SHA256

d6514e37fed38241e0b4d81105171cf8faec0a1f86480d40e724a5087d418701
SHA512

1e92168f82ea5161b61459fbfefc6cd505d9edb87f62cf2e52d374c7974ef6cfb4b9e3eff099cde8f497f7f19efb52bbcbf1b8ac05bddfff71c6fa2d9f625728

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
3964	msedge.exe
3964	msedge.exe
1848	msedge.exe
1848	msedge.exe
1972	identity_helper.exe
1972	identity_helper.exe
2144	msedge.exe
2144	msedge.exe
2144	msedge.exe
2144	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe
1848	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 3196	1848	msedge.exe	84
PID 1848 wrote to memory of 3196	1848	msedge.exe	84
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 4264	1848	msedge.exe	85
PID 1848 wrote to memory of 3964	1848	msedge.exe	86
PID 1848 wrote to memory of 3964	1848	msedge.exe	86
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	msedge.exe	87
PID 1848 wrote to memory of 4688	1848	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\help.html
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:1848
- 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,0x100,0x104,0xd8,0x108,0x7ffd7a2646f8,0x7ffd7a264708,0x7ffd7a264718
  2⤵
  PID:3196
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,11732702775221577215,7788708671813378510,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2120 /prefetch:2
  2⤵
  PID:4264
- 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=2108,11732702775221577215,7788708671813378510,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2208 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3964
- 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=2108,11732702775221577215,7788708671813378510,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2712 /prefetch:8
  2⤵
  PID:4688
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11732702775221577215,7788708671813378510,131072 --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=3180 /prefetch:1
  2⤵
  PID:1692
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11732702775221577215,7788708671813378510,131072 --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:4612
- 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=2108,11732702775221577215,7788708671813378510,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5036 /prefetch:8
  2⤵
  PID:2128
- 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=2108,11732702775221577215,7788708671813378510,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5036 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1972
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11732702775221577215,7788708671813378510,131072 --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=5092 /prefetch:1
  2⤵
  PID:2696
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11732702775221577215,7788708671813378510,131072 --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=5140 /prefetch:1
  2⤵
  PID:760
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11732702775221577215,7788708671813378510,131072 --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=3216 /prefetch:1
  2⤵
  PID:456
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11732702775221577215,7788708671813378510,131072 --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=3280 /prefetch:1
  2⤵
  PID:3800
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,11732702775221577215,7788708671813378510,131072 --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=4788 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2144

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1152

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3164

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\1ba36ab5-f054-4b03-87b1-abc8ca051766.tmp

Filesize
11KB

MD5
4b63cda1149b7f1d7c2e06b6f73dec79

SHA1
90c3d30986c4e0a5096f541900eb6407bc4cbb9f

SHA256
3c0f0adc2b772b125fc076556e12feef8579d202005cdb085aa47f19b9ce783d

SHA512
35f88a65f36a8867d0bc383b4d0998cc5e08790231b38be756740aa8aea13af93763e988f616520d376f5a8ac02c84cf5694e024b228a33ea21fa71a8ded1106

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

Filesize
152B

MD5
75c9f57baeefeecd6c184627de951c1e

SHA1
52e0468e13cbfc9f15fc62cc27ce14367a996cff

SHA256
648ba270261690bb792f95d017e134d81a612ef4fc76dc41921c9e5b8f46d98f

SHA512
c4570cc4bb4894de3ecc8eee6cd8bfa5809ea401ceef683557fb170175ff4294cc21cdc6834db4e79e5e82d3bf16105894fff83290d26343423324bc486d4a15

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

Filesize
152B

MD5
10fa19df148444a77ceec60cabd2ce21

SHA1
685b599c497668166ede4945d8885d204fd8d70f

SHA256
c3b5deb970d0f06a05c8111da90330ffe25da195aafa4e182211669484d1964b

SHA512
3518ce16fef66c59e0bdb772db51aeaa9042c44ca399be61ca3d9979351f93655393236711cf2b1988d5f90a5b9318a7569a8cef3374fc745a8f9aa8323691ef

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

Filesize
6KB

MD5
73f6236e0f63b5193aa01c57a3e29363

SHA1
fd53be1b460f815abd968a2afea26ebdd3fb03a7

SHA256
915375a1387affc735405d3ec85b186459684ecea0e819f080ddbbee6eee9a2f

SHA512
5d9eb8b9e69035209d2b79c6f070cd455eab746ec5af2cf256b886484054d109915f5d6c6948aca63c0b8281a371881b913e5a51c52d549b85c2762af027aaad

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

Filesize
6KB

MD5
4a4fb4e1e27104e88c81d0551eb95c7a

SHA1
181bd0edf5db38e81219cf5f475ae50bf1139bf4

SHA256
f3297267fc3f7f38ac20affc707b328fb4331cbdddf9c9ba12613bba22a292c2

SHA512
f6b0766bdd2e711bcc452311cee8b9618f0a173fb7bc55bc3fe041cc9b2d9f59cd93f2ef4cd8ba5b79ae3890b0d8c61302b060aae855d0b6f87a8407c1b3e8cb

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

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit