hxxps://srvassist-ckh[.]dynv6[.]net/ds

Resubmissions

17-04-2024 03:59

240417-ekdsnsef2t 10

17-04-2024 03:56

240417-ehnj4aee6x 10

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 03:56

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General

Target

https://srvassist-ckh.dynv6.net/ds

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 10 IoCs

pid	Process
4336	msedge.exe
4336	msedge.exe
1936	msedge.exe
1936	msedge.exe
4736	identity_helper.exe
4736	identity_helper.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe
1936	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2288	1936	msedge.exe	84
PID 1936 wrote to memory of 2288	1936	msedge.exe	84
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 3652	1936	msedge.exe	85
PID 1936 wrote to memory of 4336	1936	msedge.exe	86
PID 1936 wrote to memory of 4336	1936	msedge.exe	86
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87
PID 1936 wrote to memory of 1392	1936	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://srvassist-ckh.dynv6.net/ds
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:1936
- 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,0x100,0x104,0xd8,0x108,0x7ffc147b46f8,0x7ffc147b4708,0x7ffc147b4718
  2⤵
  PID:2288
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,1667610443921310323,13244126700497717761,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
  2⤵
  PID:3652
- 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=2128,1667610443921310323,13244126700497717761,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2336 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4336
- 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=2128,1667610443921310323,13244126700497717761,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2732 /prefetch:8
  2⤵
  PID:1392
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,1667610443921310323,13244126700497717761,131072 --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=3248 /prefetch:1
  2⤵
  PID:4768
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,1667610443921310323,13244126700497717761,131072 --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=3264 /prefetch:1
  2⤵
  PID:4704
- 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=2128,1667610443921310323,13244126700497717761,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5556 /prefetch:8
  2⤵
  PID:5084
- 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=2128,1667610443921310323,13244126700497717761,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5556 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4736
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,1667610443921310323,13244126700497717761,131072 --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=5156 /prefetch:1
  2⤵
  PID:4696
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,1667610443921310323,13244126700497717761,131072 --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=5216 /prefetch:1
  2⤵
  PID:5096
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,1667610443921310323,13244126700497717761,131072 --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=5116 /prefetch:1
  2⤵
  PID:220
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,1667610443921310323,13244126700497717761,131072 --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:4440
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,1667610443921310323,13244126700497717761,131072 --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=1700 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4888

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4952

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4948

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
5e2f0fe48e7ee1aad1c24db5c01c354a

SHA1
5bfeb862e107dd290d87385dc9369bd7a1006b36

SHA256
f13b3ebe8d71bd0086d5bb82364c35f59a95d32b39753af251e8639360e291a9

SHA512
140d026437fd5e8a874cd00b03950c8f010e1a0732a0a1cc5bdde477e7f8315ccb95790bb4c15b8dbaab9468ad532eb885b6c429300a64e39412d976d079324e

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

Filesize
152B

MD5
7e0880992c640aca08737893588a0010

SHA1
6ceec5cb125a52751de8aeda4bab7112f68ae0fe

SHA256
8649a39877c190ec740a5422284ec5f9ff509b30b2d7896635476873dd8824e2

SHA512
52bd0a38ca7f43b26731966035045b1cbd8b60b2d81bdf9aad791cf444da8af8b722ebf3cb364a6e660bebdf23084eb0e30bc23562575b704801669817549f8a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
96B

MD5
e6d01b315db371171c6c14f2585edab7

SHA1
9f230c2a96f30b736026d21ddfb4b0d14676215c

SHA256
4f320fe9142944e2e3366f916cf16558447beff9272dc1256e63ca4b9505fca1

SHA512
f072a7a4eca35ff449987fce5306220fc01af19c4b437e104f70838dc33d4fd80d70660f9942ab7adccb43e37be7ac84515ea307f8947eb9f3262364c1acbc1a

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

Filesize
698B

MD5
b98e8bcb2055433cfffe4ca52839f580

SHA1
6f3531a9b35d941919230b1981407ab93c7a987b

SHA256
ec48710404a2efc608b2d98d665e8dce8c5f1161937ecf27b3d31465b9a19caa

SHA512
36715b983afe66642bdca0394f0fce6659746ba9289287a374d64c9a7a2d6515d1e9eb5afe9b57bd5173ed8ed9365e8051a889c3b3a5c3306dd67e667447db0e

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

Filesize
111B

MD5
807419ca9a4734feaf8d8563a003b048

SHA1
a723c7d60a65886ffa068711f1e900ccc85922a6

SHA256
aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631

SHA512
f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c

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

Filesize
666B

MD5
1c0459abfb1c0d47a1afd2955f2409fb

SHA1
d6f53ddb3db3bac2672785b07a5b7df3f0136ae9

SHA256
b0375987effe87cae17c71854f170a226a22d6e5f282b3bec3ae52bd863d6d04

SHA512
b6e5bf15a37b5b3c840237eb37be8eaaa4b1e41b74bd628e263adca1f3e79fb6fc186edd29b3f5eba9bc0328772d6ec3827bc2229101a78f9a7c1ef36cb728b8

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

Filesize
6KB

MD5
5d4b945c1784f0d6ca522a4c96997d01

SHA1
669a10479eddc5b40a5617cacac1ea6cc71d573a

SHA256
9e0d154ead2537af241b6ac14822c481b0fab304889c00c233f182dd7fbe0f85

SHA512
8a8ce7217770f8c19ed076d718d7ab9abed0983e921bb82949cb344c0d8b9bf2e45615b1d78bd7416e3df59f65bff9edc99ebd68d918f891d1f77b84685630ce

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

Filesize
6KB

MD5
4d27766b3bef30e0b2b3dd05d0c5b608

SHA1
0eae104ee4325140d725ae5923af2d6c5204758d

SHA256
70eb9cf7f7fd48969d2c3ac8818b183ea1f3318f6a9e3382ae1f386978ba71d0

SHA512
40bb4e004b57a52dfdbc275331468be89c8d768ef46173998bf710a41c0d3337a03699fe41bd65745e6eb900f39e5d3ac348f3ef4f657b109243d36077056e46

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
11KB

MD5
d811be87d0f1e82b09c2c1e603f0791a

SHA1
e94576f926339959ea877a8413bd03556d16f96a

SHA256
b46d59975936b91d533e53c5d7d6b42f13d5f491cd637b94786d959b5cc51294

SHA512
ea70fb0356d5583833796df8e1215791605ab9b59dc6bc03ef1cb2720cd8894b4592385dbdf869a646be28d2e26cba5d6c373df118980d92b301dc4f5a1e0e2d

Download Submit