hxxps://www[.]mdapp[.]com/boulder

Analysis

max time kernel
11s
max time network
10s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
14/10/2024, 17:26

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General

Target

https://www.mdapp.com/boulder

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	chrome.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	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 = "133734003956656066"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3256	chrome.exe
3256	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
3256	chrome.exe
3256	chrome.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe
Token: SeShutdownPrivilege	3256	chrome.exe
Token: SeCreatePagefilePrivilege	3256	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe
3256	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 112	3256	chrome.exe	80
PID 3256 wrote to memory of 112	3256	chrome.exe	80
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 3552	3256	chrome.exe	81
PID 3256 wrote to memory of 4128	3256	chrome.exe	82
PID 3256 wrote to memory of 4128	3256	chrome.exe	82
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83
PID 3256 wrote to memory of 2320	3256	chrome.exe	83

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://www.mdapp.com/boulder
1⤵
- Drops file in Windows directory
- 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:3256
- 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:4 --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=123.0.6312.123 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffa3c49cc40,0x7ffa3c49cc4c,0x7ffa3c49cc58
  2⤵
  PID:112
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1816,i,2654823937269582288,6116382548344089944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1804 /prefetch:2
  2⤵
  PID:3552
- 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 --no-appcompat-clear --field-trial-handle=2088,i,2654823937269582288,6116382548344089944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2104 /prefetch:3
  2⤵
  PID:4128
- 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=service --no-appcompat-clear --field-trial-handle=2176,i,2654823937269582288,6116382548344089944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2364 /prefetch:8
  2⤵
  PID:2320
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3068,i,2654823937269582288,6116382548344089944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3088 /prefetch:1
  2⤵
  PID:4916
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3084,i,2654823937269582288,6116382548344089944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3132 /prefetch:1
  2⤵
  PID:4596
- 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 --no-appcompat-clear --field-trial-handle=4704,i,2654823937269582288,6116382548344089944,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4744 /prefetch:8
  2⤵
  PID:2168

C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
1⤵
PID:2248

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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\94c2f48d-ee8b-49ce-aae6-93b86945ab0b.tmp

Filesize
9KB

MD5
185e7459f4bc995bab9193456b39cd5c

SHA1
7c939982a2149c4d6deba2476d01bb60a83ad6b7

SHA256
9a97100e888de22b731cdf0261f6b6341bfbd92a98f433319d3688b97a2fbdfb

SHA512
c3438ff7516ad76ec7f9be3d7d86e517f3545e98ce488e7b24be7bc595f4d627e6c4aabbac993f8aee0a78c61b58c3f25cf4f96f7ed1cedb46e8c09734a9ff42

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

Filesize
649B

MD5
c691c5ed1aa9e7e00044b93e9b6fc6e2

SHA1
3fb3d9f24ee0f3380be5b0d04aa1c943f2bfbbf5

SHA256
811be1568d52641d7e9ec141537d05110895e4945f4904fe30febb2d391c4c57

SHA512
b4b8a65ebb734b4f2a01ab57ce8e22d0fba76ec9cf7c5aed73f4fa67bf5ea89a52d3877ff9f95daf63f55b80ed80d02829c0d475e501884d91682193801167d0

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

Filesize
692B

MD5
d44faf4bbc07618d6655b45c18aae226

SHA1
6bf77ec26b0021d331acaad52fe942a569d9121e

SHA256
8dfe40653f98896f7367d7ec2147bad7c5a822adc82c615744a3d9fa52844fd9

SHA512
2bdcf57221ec58b3652644a2b7e1a93fe7702eb60d904de87969776a53c34069fdea90d6442e4997f260f70d3ecd636494420e93b39c6a6470da3ff4b1a7bf0b

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

Filesize
116KB

MD5
92fbb3133281cdfbf118727d12ee2df8

SHA1
10af8fa3e8c6691bf12bdd8062e432b91113934a

SHA256
0dd53f12f065d2c5db560912acd8df5d3a202a0574a80f5fa1fd8f1efe0c8d34

SHA512
e1067a93d9e148a9d00d1046f81aa86e5208449634a1c3e4d582479bd2be8cb8560c6d60315afaf658c0ecb00ac3715c8c7cb6f804d87d134beb85c1462d6ae2

Download Submit