hxxps://f872b98d[.]f4bbe6b3c6a1e295f1dfe14d[.]workers[.]dev?qrc=Y29udGFjdHVzQHN0YXJiYXNlYXVzdGluLm9yZw==

Analysis

max time kernel
36s
max time network
15s
platform
windows11-21h2_x64
resource
win11-20240214-en
resource tags

arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
submitted
18/03/2024, 20:20

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General

Target

https://f872b98d.f4bbe6b3c6a1e295f1dfe14d.workers.dev?qrc=Y29udGFjdHVzQHN0YXJiYXNlYXVzdGluLm9yZw==

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	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 = "133552675522349336"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4876	chrome.exe
4876	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe
Token: SeShutdownPrivilege	4876	chrome.exe
Token: SeCreatePagefilePrivilege	4876	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe
4876	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 2060	4876	chrome.exe	77
PID 4876 wrote to memory of 2060	4876	chrome.exe	77
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 3276	4876	chrome.exe	79
PID 4876 wrote to memory of 1468	4876	chrome.exe	80
PID 4876 wrote to memory of 1468	4876	chrome.exe	80
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81
PID 4876 wrote to memory of 2492	4876	chrome.exe	81

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 https://f872b98d.f4bbe6b3c6a1e295f1dfe14d.workers.dev?qrc=Y29udGFjdHVzQHN0YXJiYXNlYXVzdGluLm9yZw==
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:4876
- 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=0x104,0x108,0x10c,0x100,0x110,0x7ff8f5bb9758,0x7ff8f5bb9768,0x7ff8f5bb9778
  2⤵
  PID:2060
- 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=1664 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:2
  2⤵
  PID:3276
- 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=2132 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:8
  2⤵
  PID:1468
- 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=2232 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:8
  2⤵
  PID:2492
- 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=1756 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:1
  2⤵
  PID:4288
- 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=3096 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:1
  2⤵
  PID:4456
- 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=4680 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:1
  2⤵
  PID:1032
- 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=8 --mojo-platform-channel-handle=4020 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:1
  2⤵
  PID:1152
- 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=5284 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:8
  2⤵
  PID:2328
- 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=5300 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:8
  2⤵
  PID:764
- 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=11 --mojo-platform-channel-handle=4912 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:1
  2⤵
  PID:4864
- 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=12 --mojo-platform-channel-handle=4640 --field-trial-handle=1864,i,958352896997459767,14061573434211243119,131072 /prefetch:1
  2⤵
  PID:4552

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:3568

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
216B

MD5
9b23e721c49799d18aa076315542d5d4

SHA1
76b7cf48b20e2d8f6e2a675e263873fdc442ade4

SHA256
a2524bed2197e52dce7fc4808b3c4b3e49e3c85d0d0c22c94924a52b7ad3c995

SHA512
1154d8b21fefaaebd259fecdc2ccec9daf8601dff2be755bee256c38ce178bf0afeb85110bd43abbc44f14eb7d80b512e428d3902dc1f2f13a67342aa35d4bfc

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

Filesize
1KB

MD5
0c66d657e303b76e8aeb20dc191d5eab

SHA1
cfb6bc23ccfc8f502ac5d37fdcdb1442298e234c

SHA256
39c168ca3b8cbc53bc4f717504c77c4728eb3f6d38ffe16aeea4cc8676ad019c

SHA512
1e1f7ecc25fda5b64403a029fcfaca6cf95e403bb215f1cfe6bef0ae00b6225ec20a1bc6fc34a07b95ebc02507dc9630029802d378d5d4204fbfad04db6e63c3

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

Filesize
6KB

MD5
e4a219213d35e808cb9de0c3e09a32e3

SHA1
408ad6ebb193d3cb4a1e0c9155dd28cb8ef818cc

SHA256
3e326046e9f4db52f645f9e7409a74513cbc2937699de912008f2fce87df0870

SHA512
8a2190c28e8b569f295a6539f52150bb247bfb37d1acffb44d56781aeb2e0e1b28397187a3486d43670da88b4502818e79698b8b7a02fc93b3bf4ff6f07dd5b6

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

Filesize
129KB

MD5
21a3428fcbabb8609c5454a980daaaed

SHA1
17f2ae7c3e1b403d8ab75ad0857c4d29098e33e7

SHA256
69d510eaffb527538faf8735db9f32508f2e549ff063d2b79c6979f81c214374

SHA512
4ea02c7e3f12238db2a7d0e57baeafade6a1b9ec3661830240684b7b0fe8dff23caf6cf85ae2070d52b64c0739753da0a4babdb55a1eeb118a1d4b781503a0d6

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