hxxps://joastaca[.]com

Resubmissions

04/10/2024, 18:40

241004-xbfvsazdkr 3

Analysis

max time kernel
600s
max time network
485s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 18:40

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General

Target

https://joastaca.com

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 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
2740	msedge.exe
2740	msedge.exe
4964	msedge.exe
4964	msedge.exe
3516	identity_helper.exe
3516	identity_helper.exe
624	msedge.exe
624	msedge.exe
624	msedge.exe
624	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe
4964	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4916	4964	msedge.exe	82
PID 4964 wrote to memory of 4916	4964	msedge.exe	82
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 3968	4964	msedge.exe	83
PID 4964 wrote to memory of 2740	4964	msedge.exe	84
PID 4964 wrote to memory of 2740	4964	msedge.exe	84
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85
PID 4964 wrote to memory of 4928	4964	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://joastaca.com
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:4964
- 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,0x100,0x104,0xd8,0x108,0x7ffe07ae46f8,0x7ffe07ae4708,0x7ffe07ae4718
  2⤵
  PID:4916
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,3716010446794025685,2814781275626381913,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
  2⤵
  PID:3968
- 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=2064,3716010446794025685,2814781275626381913,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2188 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2740
- 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=2064,3716010446794025685,2814781275626381913,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2768 /prefetch:8
  2⤵
  PID:4928
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3716010446794025685,2814781275626381913,131072 --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=3408 /prefetch:1
  2⤵
  PID:2152
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3716010446794025685,2814781275626381913,131072 --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=3432 /prefetch:1
  2⤵
  PID:4548
- 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=2064,3716010446794025685,2814781275626381913,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4976 /prefetch:8
  2⤵
  PID:2676
- 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=2064,3716010446794025685,2814781275626381913,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4976 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3516
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3716010446794025685,2814781275626381913,131072 --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=5088 /prefetch:1
  2⤵
  PID:3556
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3716010446794025685,2814781275626381913,131072 --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=5104 /prefetch:1
  2⤵
  PID:2696
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3716010446794025685,2814781275626381913,131072 --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=5668 /prefetch:1
  2⤵
  PID:4636
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3716010446794025685,2814781275626381913,131072 --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=4080 /prefetch:1
  2⤵
  PID:2412
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,3716010446794025685,2814781275626381913,131072 --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=3052 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4620

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\Network Persistent State

Filesize
180B

MD5
cc3981ef743503c879a4981b9ac8d261

SHA1
bb8a77a21fd5b139d4fcb916252675a60db5ea14

SHA256
cf3c0e68285a6709ec7bdfd245cdab687e15a0dc98d188b12eab477b3a59b277

SHA512
6de20572af506449f692084af1fe7f064183fc8e6cb65fda1c71ac8be4cf424273c4b1b8fa82e806d8aee3803f78c78e4be7b2af50ec2110bb4123416ca5aa6d

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

Filesize
5KB

MD5
63f1fe805a18bb81ea2c2737a20c5933

SHA1
31436ef70fe43324785bde095b13b79eccbf7395

SHA256
f1c1dddbbbeb9eba9127ca5ea6ab60110008ddedb317c6c1e2a148777909dc52

SHA512
4559afeea604b0ba191664f2f9e14f784fee3c51b75df071eeb42b0b96cff65749127dec90e55c060eb167449851553a088a02c5db0cd3b907c7ce93126d1b0d

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

Filesize
6KB

MD5
4326e941b8174b21c0315e4d9009eedb

SHA1
521bf457c4c9129ba009967d175781eb8f9b48dc

SHA256
012962e477fdc19f39bafd506edee50dfc20a585fd746a699c32a8def4cfff86

SHA512
7763f81ef51a92fcf1c4b4f9eaca93abb91fbb9b29ab064ab9fa2cdf8281fafea86df98e13235ef95a479d5a8a037fdf4acf79c4ea03f4ffe918b77a20fe469b

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
ef7e4bf34f1eea50ee6c456ec24592dc

SHA1
35946cf7b1663b4bda9b5744cb4557af70354a98

SHA256
afc822cd8602662343f0ec2717049cbfe3be42471a3d9a5f83289f6a23f5ba1e

SHA512
a42e3af2de32b0fa9c32fe2b31c14e3d53a58f5b177522d24f202c5e5f10c80116ec4fdea6550ecbf9956414858d6862e368e6eacaa5e8a419c70beca8e07b8a

Download Submit