hxxps://bio[.]to/case12

Resubmissions

11/01/2024, 09:17

240111-k9en6adbdj 1

11/01/2024, 09:10

240111-k498wadha3 6

Analysis

max time kernel
598s
max time network
485s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
11/01/2024, 09:17

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General

Target

https://bio.to/case12

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 = "133494386612873866"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4696	chrome.exe
4696	chrome.exe
4784	chrome.exe
4784	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
4696	chrome.exe
4696	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe
Token: SeShutdownPrivilege	4696	chrome.exe
Token: SeCreatePagefilePrivilege	4696	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe
4696	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 780	4696	chrome.exe	27
PID 4696 wrote to memory of 780	4696	chrome.exe	27
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 1960	4696	chrome.exe	86
PID 4696 wrote to memory of 4368	4696	chrome.exe	85
PID 4696 wrote to memory of 4368	4696	chrome.exe	85
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84
PID 4696 wrote to memory of 2340	4696	chrome.exe	84

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://bio.to/case12
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:4696
- 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,0x7ff9c1f59758,0x7ff9c1f59768,0x7ff9c1f59778
  2⤵
  PID:780
- 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=2928 --field-trial-handle=1808,i,2003924717084992748,15913148963895532681,131072 /prefetch:1
  2⤵
  PID:4544
- 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=2916 --field-trial-handle=1808,i,2003924717084992748,15913148963895532681,131072 /prefetch:1
  2⤵
  PID:2204
- 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=2156 --field-trial-handle=1808,i,2003924717084992748,15913148963895532681,131072 /prefetch:8
  2⤵
  PID:2340
- 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=2084 --field-trial-handle=1808,i,2003924717084992748,15913148963895532681,131072 /prefetch:8
  2⤵
  PID:4368
- 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=1540 --field-trial-handle=1808,i,2003924717084992748,15913148963895532681,131072 /prefetch:2
  2⤵
  PID:1960
- 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=5212 --field-trial-handle=1808,i,2003924717084992748,15913148963895532681,131072 /prefetch:8
  2⤵
  PID:3716
- 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=4860 --field-trial-handle=1808,i,2003924717084992748,15913148963895532681,131072 /prefetch:8
  2⤵
  PID:1732
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4796 --field-trial-handle=1808,i,2003924717084992748,15913148963895532681,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4784

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:2724

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
96B

MD5
f163230b3e5c11130c8f5d5a0eb73a43

SHA1
ad8f77765de1bdc2109b97f535a0ce4bbbdc6e0d

SHA256
e105970f39d619b6f5188c1a683d64802ef1f1e2035dfea6bfedec9c3b55f377

SHA512
6ed3bd0710e81e554ed8958984bb88fdd40ec930061d7753fb190615e88d922c12d7f8f6521bc0173c402547e2773c0029b61b5d90a0a99186845f256b5ecfe9

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\7002f43e-0772-4525-9a28-9b1af0752823.tmp

Filesize
1KB

MD5
917fcbda1b806e1488d6719b4d0b9de6

SHA1
4c8a4ee5b33e4bcfe01ddc9543569a5250558e38

SHA256
eeade9d4952f7bccdd4a547bf0b991aec672e8a5199b1b570070b735ac007c0f

SHA512
bc0954863dbd69e42ed8c40de61074907590ac70daefba26512f7f8637f54b5934cad06e85432f93247848c12f7a06a08b409a8e7bb228f46133729b333bcb6a

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

Filesize
538B

MD5
ea5f0beadfffecea0cb8f1e765741616

SHA1
ab8b46b1e45890d7d9d609fb679b0013230ddc14

SHA256
3e251e17551590a9aa522f464874ed6e38c8561021cdac3293206a6a79ae3ea5

SHA512
552f4db58ec682e4e75045b417ffa036ada96cc02a256e21509924d88e0007018aa7e606763638b4ae4a47b0da651ced3617c4501c649149cb57dbe5b27a69f7

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

Filesize
6KB

MD5
ca840004ad835b0a721f44f3f33403a2

SHA1
f094813c63078a07745c9b5cae2908f837abfe07

SHA256
2ed1b53de82fc54a9928978adca553d792e1ed00bf6d820506bc633c5e15b713

SHA512
03e85ff9267fc47bc23f32f500eae28ae5ab0a6256b9238d202ab98d3b5285c14982e94c16a42ea705a7259f92e42591bf5985e41819d57771ad3ceda0b544f5

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

Filesize
114KB

MD5
14293d28f331c51b6b69552552e6e9d0

SHA1
7612a44c21f90484a8af6175ede2bc001a648d21

SHA256
37b9f2fb1e8f10256b4450dae7d2f2f74be6d2982de45f5ff93d70bd26dc93ba

SHA512
e7191de5e42ce71c1a682ab724d921b7ef15b83c8286b684f70f14e5d54b5caa4def59ffd17a954d808e920f6e68930819f0d9cf2a4b1e9bcbe0a996ccd7b55d

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