hxxps://cmathai[.]org/files/demo-2567-3[.]zip

General

Target

https://cmathai.org/files/demo-2567-3.zip

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

Processes:

chrome.exe

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

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chrome.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

chrome.exe

pid process

5108 chrome.exe
5108 chrome.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

Processes:

chrome.exe

pid process

5108 chrome.exe
5108 chrome.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeShutdownPrivilege	5108	chrome.exe
Token: SeCreatePagefilePrivilege	5108	chrome.exe
Token: SeShutdownPrivilege	5108	chrome.exe
Token: SeCreatePagefilePrivilege	5108	chrome.exe
Token: SeShutdownPrivilege	5108	chrome.exe
Token: SeCreatePagefilePrivilege	5108	chrome.exe
Token: SeShutdownPrivilege	5108	chrome.exe
Token: SeCreatePagefilePrivilege	5108	chrome.exe
Token: SeShutdownPrivilege	5108	chrome.exe
Token: SeCreatePagefilePrivilege	5108	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

Processes:

chrome.exe

pid	process
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

Processes:

chrome.exe

pid	process
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe
5108	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

chrome.exe

description	pid	process	target process
PID 5108 wrote to memory of 3764	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 3764	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 648	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 3664	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 3664	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe
PID 5108 wrote to memory of 1356	5108	chrome.exe	chrome.exe

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://cmathai.org/files/demo-2567-3.zip
1⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5108
- 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,0x100,0x104,0xd8,0x108,0x7ffaa6d1cc40,0x7ffaa6d1cc4c,0x7ffaa6d1cc58
  2⤵
  PID:3764
- 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=1740,i,18004502130686144658,16636123547937948438,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1736 /prefetch:2
  2⤵
  PID:648
- 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=2024,i,18004502130686144658,16636123547937948438,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2108 /prefetch:3
  2⤵
  PID:3664
- 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=2184,i,18004502130686144658,16636123547937948438,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2300 /prefetch:8
  2⤵
  PID:1356
- 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=3076,i,18004502130686144658,16636123547937948438,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3120 /prefetch:1
  2⤵
  PID:1948
- 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,18004502130686144658,16636123547937948438,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3160 /prefetch:1
  2⤵
  PID:1404

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:492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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
\??\pipe\crashpad_5108_NTKZSDEACCQEXZHG

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads