hxxps://github[.]com/n3onhacks/cryptkeeper

Analysis

max time kernel
291s
max time network
275s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
31/05/2024, 23:41

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General

Target

https://github.com/n3onhacks/cryptkeeper

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
31	raw.githubusercontent.com
32	raw.githubusercontent.com

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
3044	msedge.exe
3044	msedge.exe
1476	msedge.exe
1476	msedge.exe
400	identity_helper.exe
400	identity_helper.exe
2912	msedge.exe
2912	msedge.exe
2912	msedge.exe
2912	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe
1476	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 3944	1476	msedge.exe	82
PID 1476 wrote to memory of 3944	1476	msedge.exe	82
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3532	1476	msedge.exe	83
PID 1476 wrote to memory of 3044	1476	msedge.exe	84
PID 1476 wrote to memory of 3044	1476	msedge.exe	84
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85
PID 1476 wrote to memory of 3508	1476	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/n3onhacks/cryptkeeper
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:1476
- 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,0x100,0x104,0xd8,0x108,0x7ffd8a7946f8,0x7ffd8a794708,0x7ffd8a794718
  2⤵
  PID:3944
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,10965925261738049432,17448751115323375864,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2144 /prefetch:2
  2⤵
  PID:3532
- 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=2136,10965925261738049432,17448751115323375864,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2228 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3044
- 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=2136,10965925261738049432,17448751115323375864,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2856 /prefetch:8
  2⤵
  PID:3508
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10965925261738049432,17448751115323375864,131072 --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=3336 /prefetch:1
  2⤵
  PID:2096
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10965925261738049432,17448751115323375864,131072 --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=3352 /prefetch:1
  2⤵
  PID:4848
- 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=2136,10965925261738049432,17448751115323375864,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5516 /prefetch:8
  2⤵
  PID:3844
- 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=2136,10965925261738049432,17448751115323375864,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5516 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:400
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10965925261738049432,17448751115323375864,131072 --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=5200 /prefetch:1
  2⤵
  PID:2316
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10965925261738049432,17448751115323375864,131072 --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=4064 /prefetch:1
  2⤵
  PID:4272
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10965925261738049432,17448751115323375864,131072 --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=5212 /prefetch:1
  2⤵
  PID:4092
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,10965925261738049432,17448751115323375864,131072 --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=5224 /prefetch:1
  2⤵
  PID:3292
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,10965925261738049432,17448751115323375864,131072 --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=1748 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2912

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1580

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3792

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
152B

MD5
4f7152bc5a1a715ef481e37d1c791959

SHA1
c8a1ed674c62ae4f45519f90a8cc5a81eff3a6d7

SHA256
704dd4f98d8ca34ec421f23ba1891b178c23c14b3301e4655efc5c02d356c2bc

SHA512
2e6b02ca35d76a655a17a5f3e9dbd8d7517c7dae24f0095c7350eb9e7bdf9e1256a7009aa8878f96c89d1ea4fe5323a41f72b8c551806dda62880d7ff231ff5c

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

Filesize
152B

MD5
ea98e583ad99df195d29aa066204ab56

SHA1
f89398664af0179641aa0138b337097b617cb2db

SHA256
a7abb51435909fa2d75c6f2ff5c69a93d4a0ab276ed579e7d8733b2a63ffbee6

SHA512
e109be3466e653e5d310b3e402e1626298b09205d223722a82344dd78504f3c33e1e24e8402a02f38cd2c9c50d96a303ce4846bea5a583423937ab018cd5782f

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

Filesize
1KB

MD5
f2dfdb4c042c2538757b674c7b53ae4a

SHA1
a3fc2307cedbe5c1d0d02ead961fb9fa49ece95b

SHA256
d73e279576a805be616b0940c9c6b6ba293bd5699357ad7f379dbcb870414d6b

SHA512
05c3cce9b4fbf82276d5bbbe14d5370663392da9c0712a37cb32943e21b76c0cc1fe12a1ae2199f4460e2a007489027320fddf7a3fa5a6ccdb7d778f09e3f614

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

Filesize
579B

MD5
e0c845909d433c39be77f8f8db9c6503

SHA1
6089bd5f7665b590356aa3030c110ffdf4548b5a

SHA256
c7ab85752605e0cf345acb17740eb18b8956ce0b331461067232e29d5a3e4844

SHA512
4009599399384132a6ce991333bb4a3ed20bb05893f5c3bb3a26f7c54f346679ad1a26a78cc782bd52cf9a5bb86fa95f05f4ace2622752452f17391bfe2e41f1

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

Filesize
5KB

MD5
28585a8dd9aeff34b4b89f887ab1b693

SHA1
6c83a09da973e75a66d316acd2d1b801e9d1a3a5

SHA256
64a20106ed07c37742c224b387b75928a7388e7e7d5bd3c9dfb4c29dc767f9ed

SHA512
79692f78e9e2e8da68e1ff651f8d93349db0a97e6483670781d96a095922d53f032fbb52d605317c8c69ebad43efed176c853974688a8d1afb2ccc20e28f46fd

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

Filesize
6KB

MD5
08ec9845d14b3ac859c2f45d2823f822

SHA1
5ee9bb75ceab31f4c4652d76032ecfac13cbc58b

SHA256
f17a5bf86f5c922d0242d2bc59611a7d6e225dc0d0e1e32064a254debbc163ca

SHA512
272ad9b89ae1ea292d3f58711535e3cb2da7a47396449521d9c9aeeadc4e5579cd4efa40799fc89e14de5e1231b267812dd0740c420ab6e0196bfec097eb034e

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
dbbeeb830014929fa6ae41184a25d7a2

SHA1
709a8b785fb0b7d38d5ce65eb9fb06f6ac6ecee6

SHA256
c5a4d06046fb3aa10a90ca61121ca690470b72b0c13cbc29ebc11608a9cfaba9

SHA512
84688eb9333f2876633b16c0407ec5f8e9e56058855a6bd3cc3f60e8419059290b0653dfb9ba41fab59aa780bdc17e23768947a6dcc1cbc1170f927548562c05

Download Submit