hxxps://kalendar[.]ai

Analysis

max time kernel
40s
max time network
42s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
20/06/2024, 10:59

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General

Target

https://kalendar.ai

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 = "133633548019482956"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4792	chrome.exe
4792	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe
Token: SeShutdownPrivilege	4792	chrome.exe
Token: SeCreatePagefilePrivilege	4792	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe
4792	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 4852	4792	chrome.exe	80
PID 4792 wrote to memory of 4852	4792	chrome.exe	80
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 240	4792	chrome.exe	81
PID 4792 wrote to memory of 2364	4792	chrome.exe	82
PID 4792 wrote to memory of 2364	4792	chrome.exe	82
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	chrome.exe	83
PID 4792 wrote to memory of 776	4792	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://kalendar.ai
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:4792
- 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=110.0.5481.104 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7fffa87cab58,0x7fffa87cab68,0x7fffa87cab78
  2⤵
  PID:4852
- 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=1508 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:2
  2⤵
  PID:240
- 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=1972 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:8
  2⤵
  PID:2364
- 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 --mojo-platform-channel-handle=2160 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:8
  2⤵
  PID:776
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=2912 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:1
  2⤵
  PID:2368
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2944 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:1
  2⤵
  PID:3644
- 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=4196 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:8
  2⤵
  PID:2112
- 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=4192 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:8
  2⤵
  PID:896
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=4620 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:1
  2⤵
  PID:3768
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4376 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:1
  2⤵
  PID:3084
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=3728 --field-trial-handle=1796,i,4714315126042701504,4236610040494804971,131072 /prefetch:1
  2⤵
  PID:2952

C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
1⤵
PID:4768

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\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

Filesize
7KB

MD5
f1d6eaa553c992d55f72461bc63da8f2

SHA1
efb45d3fc19d597f66812337a7fa531623b4bfa9

SHA256
f2dbb43842c96dd8d817a84b0cd16eddf415f2ad35714689264c487df849ae66

SHA512
3612f45cf7e811bb3b028f88bc493ce82eadef15ddb3a2fbc6e6a148bcbc5c75331fdc3ab9bc53f6381b12b27684b9148286699ebea5cd167c564cc09896b222

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

Filesize
129KB

MD5
841c9bbadfc01513550ac9c819253777

SHA1
6a7fc811b157cc881c55801e4227e86da7b5578f

SHA256
35c6ad2deb3e48a5baddb03e0116dae88082256695eeb373705b2c2cb9df1fdc

SHA512
8bf30edfd9655d8e69d587ff7e136e3ea4748fdc6e0b441b77777a77de7d098ec4bb53bc621e9487396245e8f12ecf1a1ee754bd5ad25b76c313c743a3e65944

Download Submit