hxxp://arc[.]net

Resubmissions

27/05/2024, 17:48

240527-wdtnzscb2y 8

27/05/2024, 17:48

27/05/2024, 17:48

27/05/2024, 17:47

27/05/2024, 17:30

27/05/2024, 17:30

27/05/2024, 17:28

Analysis

max time kernel
480s
max time network
486s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
27/05/2024, 17:47

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General

Target

http://arc.net

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 12 IoCs

pid	Process
3756	msedge.exe
3756	msedge.exe
2832	msedge.exe
2832	msedge.exe
3664	msedge.exe
3664	msedge.exe
4032	identity_helper.exe
4032	identity_helper.exe
4900	msedge.exe
4900	msedge.exe
4900	msedge.exe
4900	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe
2832	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 4896	2832	msedge.exe	79
PID 2832 wrote to memory of 4896	2832	msedge.exe	79
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 4708	2832	msedge.exe	81
PID 2832 wrote to memory of 3756	2832	msedge.exe	82
PID 2832 wrote to memory of 3756	2832	msedge.exe	82
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83
PID 2832 wrote to memory of 964	2832	msedge.exe	83

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://arc.net
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:2832
- 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7fff5c833cb8,0x7fff5c833cc8,0x7fff5c833cd8
  2⤵
  PID:4896
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1916 /prefetch:2
  2⤵
  PID:4708
- 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=1776,5717381420331487702,10948177360968725011,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3756
- 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=1776,5717381420331487702,10948177360968725011,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2788 /prefetch:8
  2⤵
  PID:964
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --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:1452
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --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=3268 /prefetch:1
  2⤵
  PID:4936
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4748 /prefetch:1
  2⤵
  PID:4164
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5260 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3664
- C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5492 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4032
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --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=5224 /prefetch:1
  2⤵
  PID:3884
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --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=3480 /prefetch:1
  2⤵
  PID:2184
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --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=4716 /prefetch:1
  2⤵
  PID:1484
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4760 /prefetch:1
  2⤵
  PID:476
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1776,5717381420331487702,10948177360968725011,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1260 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4900

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3580

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4676

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
d56e8f308a28ac4183257a7950ab5c89

SHA1
044969c58cef041a073c2d132fa66ccc1ee553fe

SHA256
0bc24451c65457abc1e4e340be2f8faceae6b6ec7768a21d44bcd14636543bae

SHA512
fd5798559f4025ec3408f5550b8671d394b1ec83b85fdac8c005b0cc3e183272bdd07db15a156a572c9c5e5798badf235dc10aae62a052efa8dd9dfdbdca8189

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

Filesize
152B

MD5
8f2eb94e31cadfb6eb07e6bbe61ef7ae

SHA1
3f42b0d5a90408689e7f7941f8db72a67d5a2eab

SHA256
d222c8e3b19cda2657629a486faf32962e016fc66561ce0d17010afdb283c9de

SHA512
9f7f84149885b851e0bf7173c540e466a2b2eb9907d8b608f60360933328cc75d9d1b63640ea4ecc1e64ecc5dd7ee74d82903f96a8b4418ca56296641a8c0703

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

Filesize
288B

MD5
260f43dd2994e2fb2497b812096a42ec

SHA1
39859a8c998e06bde1b598eb7a7fecc26aa50f71

SHA256
89fc4a6a55903a8187073a6605bc8cb7ec4694c94d33e7dc949c00490d2949ad

SHA512
24c7be107ddaa488a18a5ce6e514d8cffa1f401ad29940fd1d19086b6140aec9dd10c13cf6f5245475f2e9851860c9350548cdd15e5887a40da210e843ef3ed7

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

Filesize
175B

MD5
32decc01d47603f2f3c10d947a7d2e0e

SHA1
6cdb26fc64e1fde0ae0dba0148c515b8c0940766

SHA256
965ca00b20dbe582a2cae2b3d445d4dcae032aada222ff632cc32aadadd21db9

SHA512
0c439113b5a7ba8b594db36a7968ffdb2152f0dc7bfcbb9c810358700ab58142e87cc0ab1bb7e696a8a78adeaa2b4cef7386ee39e892adf9e7df107e9a74cbbb

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

Filesize
5KB

MD5
0eda44c1d48406a82105be4f159592c4

SHA1
eeb6dd1b3f24b1a4d6be28f4bfa0e7beb481ad0d

SHA256
3ec70a957e99e8c7bf27d40daae783572cb31d827842d6bc358acfb90584d0ed

SHA512
13696069d106e27405fc0bcbb88867e66549f6eda78f102aa235bd81f538cf48f2e07880ef3990fe0b5aca06ea60f4a746cce03bd02fd14940b258ca6b3016d9

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

Filesize
6KB

MD5
7037accec57dc92ae912b44a906e7f8e

SHA1
6d6b95398073452109c43b36efedd2dc9c02a3bb

SHA256
b52a5d4885ef787d61720a30d06e7264ea4ad8bf22295c8f394670bfe6e78c48

SHA512
6f985268fdaa5735a43af5e9daca887b8599d67dbfea97e09487aabdd22b4fab4e3d6302b1d1896c2321e6d7874f155eb272aee92a3568def8c3b4fdf2c54e00

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
ae958a97ecacb7f839b6dce5ad9b98ec

SHA1
1e2b4b9e342e538fa9424d8bb86b5032bfc59f8c

SHA256
f9c05d5ee9d6b8efcc9bea2331c513d1f49f8ca1986d2dc741d779d9aff9a27c

SHA512
f0b2bb9dbb2424d2c1ffaa44799c1af0c270dab504529e3d1162b053732aee6280ade8873bff0c1869f6da1890b5d4a1374f4b1bc55edb928479e3fe4d924786

Download Submit