hxxp://calvin[.]cc

Analysis

max time kernel
83s
max time network
68s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 07:53

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General

Target

http://calvin.cc

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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 6 IoCs

pid	Process
4104	msedge.exe
4104	msedge.exe
4248	msedge.exe
4248	msedge.exe
4876	identity_helper.exe
4876	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs

pid	Process
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe
4248	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 4432	4248	msedge.exe	83
PID 4248 wrote to memory of 4432	4248	msedge.exe	83
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 3580	4248	msedge.exe	84
PID 4248 wrote to memory of 4104	4248	msedge.exe	85
PID 4248 wrote to memory of 4104	4248	msedge.exe	85
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86
PID 4248 wrote to memory of 3724	4248	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://calvin.cc
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:4248
- 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,0x100,0x104,0xd8,0x108,0x7ff8ae1246f8,0x7ff8ae124708,0x7ff8ae124718
  2⤵
  PID:4432
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2144 /prefetch:2
  2⤵
  PID:3580
- 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=2132,17492155954384627251,11085476763937156708,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2196 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4104
- 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=2132,17492155954384627251,11085476763937156708,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2864 /prefetch:8
  2⤵
  PID:3724
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --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=3256 /prefetch:1
  2⤵
  PID:1564
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --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=3284 /prefetch:1
  2⤵
  PID:1632
- 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=2132,17492155954384627251,11085476763937156708,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5124 /prefetch:8
  2⤵
  PID:844
- 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=2132,17492155954384627251,11085476763937156708,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5124 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4876
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --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=5252 /prefetch:1
  2⤵
  PID:2008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --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=5212 /prefetch:1
  2⤵
  PID:4644
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --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=5720 /prefetch:1
  2⤵
  PID:2484
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --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=5728 /prefetch:1
  2⤵
  PID:1464
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --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=6136 /prefetch:1
  2⤵
  PID:2160
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --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=3180 /prefetch:1
  2⤵
  PID:4292
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,17492155954384627251,11085476763937156708,131072 --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=4060 /prefetch:1
  2⤵
  PID:4908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2876

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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
e4f80e7950cbd3bb11257d2000cb885e

SHA1
10ac643904d539042d8f7aa4a312b13ec2106035

SHA256
1184ee8d32d0edecddd93403fb888fad6b3e2a710d37335c3989cc529bc08124

SHA512
2b92c9807fdcd937e514d4e7e1cc7c2d3e3aa162099b7289ceac2feea72d1a4afbadf1c09b3075d470efadf9a9edd63e07ea7e7a98d22243e45b3d53473fa4f0

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

Filesize
152B

MD5
2dc1a9f2f3f8c3cfe51bb29b078166c5

SHA1
eaf3c3dad3c8dc6f18dc3e055b415da78b704402

SHA256
dcb76fa365c2d9ee213b224a91cdd806d30b1e8652d72a22f2371124fa4479fa

SHA512
682061d9cc86a6e5d99d022da776fb554350fc95efbf29cd84c1db4e2b7161b76cd1de48335bcc3a25633079fb0bd412e4f4795ed6291c65e9bc28d95330bb25

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

Filesize
5KB

MD5
88ffc98f936b39d270f5add7191534a5

SHA1
00a1f9ec2257fe2491627fc482c00f606ed3c5c4

SHA256
88745f482c8f24bc3644728cdd581ef33d7e864869b9ecf0adb5bc46ae92dc31

SHA512
611056e33502781ce3a0c245363af2bf8518b66ab7ab594b72feace6062ba4242d13dfb69f34f417ae5d8cd6147f3606984722a08fee164a369c2500bd2e65a2

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

Filesize
6KB

MD5
042cc8f8b806a42e5aa2fd71c905fa5c

SHA1
d1b98f953aee24c74b1baff398008bb7be54c43c

SHA256
26fb3089059342644c2f14e9b9e7c5e28f0527eadfb10154610d5d6831ad2285

SHA512
fc9f7624f608eee3af5fc22704a27b09fd07bacdb418830a61bbbeaae8c8993d2e08c40d4c13e4125cabb650964576e88883a4be5048265bd4545f6f0adda51e

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
10KB

MD5
ecfbb973eb070c1dea4de46df43bb372

SHA1
9aa11a01336b940a7873715a33623bd217e67280

SHA256
5f6d59390cb578ccf5375245d97f2711ae26c4db8811b663bfe014f3b65d8343

SHA512
80c8673295693395ebb7802ef9c385ecd3801c48c6aade55626e06c5218fa026b26ed3f57e8b0851779afc3b79bf757b2ef9849ebf97b4f134d0c1cc3a5a4242

Download Submit