a6c11f14de0f3b87910785f97ae9618adda0d3b4a7616395d2b741c70881dc51

Analysis

max time kernel
1800s
max time network
1695s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
21-05-2024 15:53

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General

Target

CraxsRat 7.4/ChangeLog.html
Size

41KB
MD5

2037a83c06d4840b72dc8d6c243a3b02
SHA1

8fa8d97a2fb6cb561bb29ec365076726b4174814
SHA256

c922d1a2550232f01d151571e30827528f939c962db52bd6feb3aa51290e28ab
SHA512

1d3b91ab3988935e7716bb0dd3f550e593748a25720ff4c9a39c8ebd980ac77c94559dcf9685bbfc9e61ddde2e2401367905140dd92cf100cd4ce06182b011dc
SSDEEP

768:aXBgQlr/JTwbXwnTHWKPXpxrTpTDqR2I6YxZbAuM5RkWkFT9RurXuGPoH9oa0zz8:aeQZNwjwTnpxPpTGR2+Zbgf8wLgWzAzl

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

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 12 IoCs

Processes:

msedge.exemsedge.exemsedge.exeidentity_helper.exemsedge.exe

pid	process
2104	msedge.exe
2104	msedge.exe
4232	msedge.exe
4232	msedge.exe
4804	msedge.exe
4804	msedge.exe
4176	identity_helper.exe
4176	identity_helper.exe
2192	msedge.exe
2192	msedge.exe
2192	msedge.exe
2192	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

Processes:

msedge.exe

pid process

4232 msedge.exe
4232 msedge.exe
4232 msedge.exe
4232 msedge.exe
4232 msedge.exe
4232 msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

Processes:

msedge.exe

pid	process
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

Processes:

msedge.exe

pid	process
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe
4232	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

msedge.exe

description	pid	process	target process
PID 4232 wrote to memory of 3340	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3340	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2332	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2104	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 2104	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe
PID 4232 wrote to memory of 3264	4232	msedge.exe	msedge.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Local\Temp\CraxsRat 7.4\ChangeLog.html
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:4232
- 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,0x7fff223a3cb8,0x7fff223a3cc8,0x7fff223a3cd8
  2⤵
  PID:3340
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1908,17309268001281743781,5390306242353314933,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1920 /prefetch:2
  2⤵
  PID:2332
- 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=1908,17309268001281743781,5390306242353314933,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2372 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2104
- 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=1908,17309268001281743781,5390306242353314933,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2792 /prefetch:8
  2⤵
  PID:3264
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17309268001281743781,5390306242353314933,131072 --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=3244 /prefetch:1
  2⤵
  PID:4920
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17309268001281743781,5390306242353314933,131072 --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=3212 /prefetch:1
  2⤵
  PID:4924
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17309268001281743781,5390306242353314933,131072 --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=4668 /prefetch:1
  2⤵
  PID:4172
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17309268001281743781,5390306242353314933,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4716 /prefetch:1
  2⤵
  PID:3440
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17309268001281743781,5390306242353314933,131072 --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=4128 /prefetch:1
  2⤵
  PID:3476
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17309268001281743781,5390306242353314933,131072 --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=5236 /prefetch:1
  2⤵
  PID:1020
- 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=1908,17309268001281743781,5390306242353314933,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5576 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4804
- 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=1908,17309268001281743781,5390306242353314933,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5824 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4176
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1908,17309268001281743781,5390306242353314933,131072 --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=1776 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3488

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1432

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
9faad3e004614b187287bed750e56acc

SHA1
eeea3627a208df5a8cf627b0d39561167d272ac5

SHA256
64a60300c46447926ce44b48ce179d01eff3dba906b83b17e48db0c738ca38a9

SHA512
a7470fe359229c2932aa39417e1cd0dc47f351963cbb39f4026f3a2954e05e3238f3605e13c870c9fe24ae56a0d07e1a6943df0e891bdcd46fd9ae4b7a48ab90

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

Filesize
152B

MD5
7915c5c12c884cc2fa03af40f3d2e49d

SHA1
d48085f85761cde9c287b0b70a918c7ce8008629

SHA256
e79d4b86d8cabd981d719da7f55e0540831df7fa0f8df5b19c0671137406c3da

SHA512
4c71eb6836546d4cfdb39cd84b6c44687b2c2dee31e2e658d12f809225cbd495f20ce69030bff1d80468605a3523d23b6dea166975cedae25b02a75479c3f217

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

Filesize
5KB

MD5
1d0eaebaec7c6abf1e68347a462546be

SHA1
391f412faf8dcc7eea813519da8f85d81ae16079

SHA256
3db13ac6f9cfc12bfb1301c3ce5a844fc5c340af71d44b46bf9789d37cfeb908

SHA512
a67f4ba3990e2b25e812bf796bcbfd1638807dc24c9d3eee6936a2e99067450ee63a2a76ba43e6ae57f3d7a80a1d43e4643ae71e319137b1017286568d1e6107

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

Filesize
5KB

MD5
7682a453253c5279fe9cd82586b8c914

SHA1
3511897713d003e508c4378644bd460648842a90

SHA256
a48a6953be7d61049649961539d61e74941a75939c109e7a2d90895fc969bea7

SHA512
9c52acef5ae291d1c679839ecf4b29997ea5889905d200b9fb555856a181b003806588199bb30c1cc6c1f82b83bdd10b4d52bb1e59e9b95d08d92b1785651b13

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
7f5ff28fef44271deb1bae7fed4869db

SHA1
2fcfee0f71f9ae1d0d69f2d552eef6ccad56b3d0

SHA256
9a21c8793427f2a6784e35d17021586b285061a4b4315b695bd8582b0790b48c

SHA512
a1705ce3afd969a6a51fdf9f3f28cb9b418287f7f1832d5d248ce43f002d6da64748ae36c9a457d2e5a8a3b3b467f64935bbf5a015f3c313119cd4bb76741882

Download Submit
\??\pipe\LOCAL\crashpad_4232_NPCDSOZETRNCYWYO

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit