hxxp://tnkdcn[.]vibm[.]vn

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2024, 15:25

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General

Target

http://tnkdcn.vibm.vn

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4132	msedge.exe
4132	msedge.exe
4380	msedge.exe
4380	msedge.exe
5076	identity_helper.exe
5076	identity_helper.exe
2528	msedge.exe
2528	msedge.exe
2528	msedge.exe
2528	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 11 IoCs

pid	Process
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe
4380	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 468	4380	msedge.exe	82
PID 4380 wrote to memory of 468	4380	msedge.exe	82
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 3320	4380	msedge.exe	83
PID 4380 wrote to memory of 4132	4380	msedge.exe	84
PID 4380 wrote to memory of 4132	4380	msedge.exe	84
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85
PID 4380 wrote to memory of 2616	4380	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://tnkdcn.vibm.vn
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:4380
- 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,0x100,0x104,0xd8,0x108,0x7ffcab8046f8,0x7ffcab804708,0x7ffcab804718
  2⤵
  PID:468
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
  2⤵
  PID:3320
- 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=2132,6144344549563972555,11332623140813230441,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2260 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4132
- 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=2132,6144344549563972555,11332623140813230441,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2728 /prefetch:8
  2⤵
  PID:2616
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=3208 /prefetch:1
  2⤵
  PID:3280
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=3232 /prefetch:1
  2⤵
  PID:4988
- 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=2132,6144344549563972555,11332623140813230441,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4928 /prefetch:8
  2⤵
  PID:4404
- 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=2132,6144344549563972555,11332623140813230441,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4928 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5076
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=4156 /prefetch:1
  2⤵
  PID:3520
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=4244 /prefetch:1
  2⤵
  PID:2556
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=5284 /prefetch:1
  2⤵
  PID:2252
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=5312 /prefetch:1
  2⤵
  PID:4744
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5464 /prefetch:1
  2⤵
  PID:4188
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4976 /prefetch:1
  2⤵
  PID:4652
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=4112 /prefetch:1
  2⤵
  PID:1516
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=1956 /prefetch:1
  2⤵
  PID:3060
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=1736 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2528
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,6144344549563972555,11332623140813230441,131072 --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=1372 /prefetch:1
  2⤵
  PID:828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4192

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
f61fa5143fe872d1d8f1e9f8dc6544f9

SHA1
df44bab94d7388fb38c63085ec4db80cfc5eb009

SHA256
284a24b5b40860240db00ef3ae6a33c9fa8349ab5490a634e27b2c6e9a191c64

SHA512
971000784a6518bb39c5cf043292c7ab659162275470f5f6b632ea91a6bcae83bc80517ceb983dd5abfe8fb4e157344cb65c27e609a879eec00b33c5fad563a6

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

Filesize
152B

MD5
87f7abeb82600e1e640b843ad50fe0a1

SHA1
045bbada3f23fc59941bf7d0210fb160cb78ae87

SHA256
b35d6906050d90a81d23646f86c20a8f5d42f058ffc6436fb0a2b8bd71ee1262

SHA512
ea8e7f24ab823ad710ce079c86c40aa957353a00d2775732c23e31be88a10d212e974c4691279aa86016c4660f5795febf739a15207833df6ed964a9ed99d618

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

Filesize
5KB

MD5
dc2b46ebe1720702efba47ffe3a59c39

SHA1
afbd0d863bad1ff0979448d005daeaa0f040bf13

SHA256
d4c64a65b0120ad81951bd2397999e7e92c08c83a7a8c4fe5c5a83b4eeffd1ac

SHA512
1891eec9825941dbaeb9a281275a71e19936a91640379cf3d3da65fe39a774844e8a2251c6e833434d2d081221e403aa09ed07d4f60105285687402e441fc6c2

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

Filesize
6KB

MD5
cc2b011f8e031a9f6cf488be2262f063

SHA1
034e0e1e296145047c66e2f6fa45114a040b856b

SHA256
dbdf9e6055910aab7175607db592e3152f7ac896423037bb94022e3ee62f515c

SHA512
3c4f4211638dc2d4dfa704805de5d9ae6aa68dce2d98df07368e5a78fb1edc0a4fce977b0685a9a7e9ef06f2427387e8d4bafd224ff8adb008049493799b080c

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\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\Local State

Filesize
8KB

MD5
a9c8eaa7cf54100a20f92b17a40a9922

SHA1
1eb3d4fc60d3944887cb324ddd16d5c717669c33

SHA256
7b25aa9eb3479f3460e02abb4aff5254b1dfa5afc75bde7fed74b979a1f40049

SHA512
806794e12272b9578a96c2512c36b856a1a7b2bc4e8319b6eed5746477a9186ea5817e7f51bf1668ba093f3c004d214a122435fa7aef6fefd24100af7ba2cb98

Download Submit