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
1173s
max time network
1177s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
27/05/2024, 17:48

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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\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 12 IoCs

pid	Process
4344	msedge.exe
4344	msedge.exe
1580	msedge.exe
1580	msedge.exe
4764	msedge.exe
4764	msedge.exe
4972	identity_helper.exe
4972	identity_helper.exe
4652	msedge.exe
4652	msedge.exe
4652	msedge.exe
4652	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe
1580	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 1392	1580	msedge.exe	77
PID 1580 wrote to memory of 1392	1580	msedge.exe	77
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4448	1580	msedge.exe	78
PID 1580 wrote to memory of 4344	1580	msedge.exe	79
PID 1580 wrote to memory of 4344	1580	msedge.exe	79
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80
PID 1580 wrote to memory of 3372	1580	msedge.exe	80

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:1580
- 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,0x7ffae5d03cb8,0x7ffae5d03cc8,0x7ffae5d03cd8
  2⤵
  PID:1392
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1896,3843169831483486083,3389200349281161556,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1908 /prefetch:2
  2⤵
  PID:4448
- 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=1896,3843169831483486083,3389200349281161556,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2188 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4344
- 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=1896,3843169831483486083,3389200349281161556,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2556 /prefetch:8
  2⤵
  PID:3372
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,3843169831483486083,3389200349281161556,131072 --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=3120 /prefetch:1
  2⤵
  PID:2304
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,3843169831483486083,3389200349281161556,131072 --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=3136 /prefetch:1
  2⤵
  PID:4976
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,3843169831483486083,3389200349281161556,131072 --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=4556 /prefetch:1
  2⤵
  PID:1360
- 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=1896,3843169831483486083,3389200349281161556,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5200 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4764
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,3843169831483486083,3389200349281161556,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5224 /prefetch:1
  2⤵
  PID:4732
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,3843169831483486083,3389200349281161556,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4632 /prefetch:1
  2⤵
  PID:3324
- 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=1896,3843169831483486083,3389200349281161556,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5744 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4972
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,3843169831483486083,3389200349281161556,131072 --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=4920 /prefetch:1
  2⤵
  PID:720
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,3843169831483486083,3389200349281161556,131072 --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=5584 /prefetch:1
  2⤵
  PID:3440
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1896,3843169831483486083,3389200349281161556,131072 --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=4928 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4652

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3056

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1608

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
8e1dd984856ef51f4512d3bf2c7aef54

SHA1
81cb28f2153ec7ae0cbf79c04c1a445efedd125f

SHA256
34afac298a256d796d20598df006222ed6900a0dafe0f8507ed3b29bfd2027d7

SHA512
d1f8dfc7fdc5d0f185de88a420f2e5b364e77904cab99d2ace154407c4936c510f3c49e27eed4e74dd2fbd850ad129eb585a64127105661d5f8066448e9f201d

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

Filesize
152B

MD5
ffa07b9a59daf025c30d00d26391d66f

SHA1
382cb374cf0dda03fa67bd55288eeb588b9353da

SHA256
7052a8294dd24294974bb11e6f53b7bf36feeb62ce8b5be0c93fbee6bc034afb

SHA512
25a29d2a3ba4af0709455a9905a619c9d9375eb4042e959562af8faa087c91afafdb2476599280bbb70960af67d5bd477330f17f7345a7df729aaee997627b3a

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

Filesize
288B

MD5
c6d2405e5193f53288c0386abe47f7ab

SHA1
03109717226abae23cab2b6f55d8a83bded45a8e

SHA256
9be0ef122626135b542340902026bbcb4ad112eb7a25e97941451892273955bc

SHA512
25f7fb89a58f7611493ce0c8fb680bc2602be966e6f759f47c4fc23c30b450f1c9023ef0fc6f0f244ca23a056f29931cafb440e201a18da43d400a952d283c44

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
58fc29831fb15350c3ba0f7cfa4875ff

SHA1
9bd0291dfb806d2ff01624d14c760dfb29faad0f

SHA256
9d757d1b022d4bd07165e3d496d5b1bbac0340a3b614204eaa04f907f82de5b2

SHA512
c9895742819301bacdacf831eef9142fd006b274c9a43142fb683367ec4a7be5f8cd6174a0c98ee1430f47461f541543d40f7fdf8eae6a31517ea6b54ffd24f3

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

Filesize
6KB

MD5
7f25a30dc79d9e2889502a1706d4dfdc

SHA1
606541a200c9b37cc22e5f20a1a2e9d2d7d52243

SHA256
79dfabdd26fb44ac48b86b9ef2ba9fb89936d84c85210c646f92d75c61b3726e

SHA512
a996660dd00ef55e4acb185964eec1a706da64b8f10e1317792c67906d472de7a9ab1dfe245e2c6c5f0c712efa1ebdd9fe9112888a28576059b43ab7ab72bc7b

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
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
273a679219c413c2ce776fb5f1034119

SHA1
578d7755fc1b8c02058e42f5ec0ae93b5de018e5

SHA256
f942d80aa4f0513bc32162d318bb349e3fb44ff17cd44ed0f42c78bb92549748

SHA512
b24a215e4edd9abef9860e771fbc75a8a270adadbafd08d32257d4d7cd260d33162aaaed1bec02b96681d81f1158e807c42a399ad3ad91d627079425231c6b9f

Download Submit