hxxp://workers[.]dev

Analysis

max time kernel
35s
max time network
34s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
14/03/2024, 15:18

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General

Target

http://workers.dev

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	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133549031336451004"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1180	chrome.exe
1180	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe
Token: SeShutdownPrivilege	1180	chrome.exe
Token: SeCreatePagefilePrivilege	1180	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe
1180	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 2456	1180	chrome.exe	78
PID 1180 wrote to memory of 2456	1180	chrome.exe	78
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 2388	1180	chrome.exe	80
PID 1180 wrote to memory of 4864	1180	chrome.exe	81
PID 1180 wrote to memory of 4864	1180	chrome.exe	81
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82
PID 1180 wrote to memory of 3644	1180	chrome.exe	82

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://workers.dev
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffd71659758,0x7ffd71659768,0x7ffd71659778
  2⤵
  PID:2456
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1656 --field-trial-handle=1840,i,17768018366950940417,11966292374432717834,131072 /prefetch:2
  2⤵
  PID:2388
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2076 --field-trial-handle=1840,i,17768018366950940417,11966292374432717834,131072 /prefetch:8
  2⤵
  PID:4864
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2196 --field-trial-handle=1840,i,17768018366950940417,11966292374432717834,131072 /prefetch:8
  2⤵
  PID:3644
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2940 --field-trial-handle=1840,i,17768018366950940417,11966292374432717834,131072 /prefetch:1
  2⤵
  PID:2640
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2948 --field-trial-handle=1840,i,17768018366950940417,11966292374432717834,131072 /prefetch:1
  2⤵
  PID:352
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=5060 --field-trial-handle=1840,i,17768018366950940417,11966292374432717834,131072 /prefetch:1
  2⤵
  PID:1692
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5256 --field-trial-handle=1840,i,17768018366950940417,11966292374432717834,131072 /prefetch:8
  2⤵
  PID:1728
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5356 --field-trial-handle=1840,i,17768018366950940417,11966292374432717834,131072 /prefetch:8
  2⤵
  PID:2308

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:1992

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\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
336B

MD5
17be7138d8b05c5fa18b7599327c54f3

SHA1
e817a4a50ebf48f6d278f35d13fca7d3020637b5

SHA256
d57bfd2306e4b663e2b42292fdd8400ba0a0766fd51fabad157809665b964f9f

SHA512
94363517255819b2f7eb317de9c975bd9be7753b8f149788f88e9ed400c23f19b7686eb91a0d1fefe5426293384b130f45cd24721d9f005bb48ff5333c9d26bb

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

Filesize
1KB

MD5
0c10e849f023287aaced9047051e9447

SHA1
5bda3c7b049f30d01f793700339cba7973799d60

SHA256
75889971fa3c6fe4d940d5ed509b3a1a371595a145131143c109f8f1de3dd7d4

SHA512
0c5ecdb2060624e56a5c5a8d2da1eb94931b5291766896979d3836dea9a6a791aef768571e5d51d9177d6c36720f8304ea57ad18c92c7e9d5cd95d59e6370625

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
6KB

MD5
e0ebf58155306c916ed76b2a80569e0a

SHA1
55b7d34224644eba4685c1e0623d462f6c78a334

SHA256
1ce08e95d3cefea03f7061573f015bcca2e001a6def77391b96ddb1b9d54aaa4

SHA512
c5cd8b02a5407f7fae26920d6b1868f7b977504939185cc10f150a1fc387dba4fb227d0eeb01c753fcd4797abfe3d270ab58b3bce644c5c97a6d6e1709987ac3

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
256KB

MD5
32865f0944283d3810d844c65f78ea6f

SHA1
2e4d9f7bd9e2de6cca5c6d03b9920159987558b7

SHA256
4cf07a291c59da513632c12e8b91644376d3dcef445731636fe9bc24cba750c6

SHA512
6d95456117f176ee6c94081b16763b5491f539aabea2857d03e09a57c7bb8cfb738ace6c96049d6816cd53b1e40f11bee729188e95b0e81dcc98f8fae871fc9c

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit