83d760344d2e2d493fec2cc066e583b7c0c7c02ea56c018ee737885c89a0864c

Analysis

max time kernel
150s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/11/2026, 19:48

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General

Target
CalClock.exe
Size 2.4MB
Sample261104-yjbfpsft4j
SHA256 83d760344d2e2d493fec2cc066e583b7c0c7c02ea56c018ee737885c89a0864c
MD5 5218b2e7062184f29f229c0b67da8acb
SHA1 eb73fa817bcf7dfd3eafd4686cf6cf717e561f2e
SHA512 a3d4aa42c1f5638fc8dd74bd0047e30e3fdea95779761d122c6e6626d0fdb7efca5581598e53b94b3747fe5b82f9bc1aeb6bb6639bd6517a76ad06cfed6b5799
SSDEEP 12288:Xe5RJWiRe0y0+bAk7JJZz9mYc06tcdLbA7+tscOTf9yg0cPuXPhoemeOT4Ot9Ga3:X2RIl00lzaZSta7Agdioj3T4Ot
TLSH
T185C5100663FE5118F6F3AF706DB552950A7BBEA2AF38C18E1245254C4C74AE0DA74B33
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	CalClock.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	CalClock.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CalClock.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2968	CalClock.exe
2968	CalClock.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2968	CalClock.exe
2968	CalClock.exe

C:\Users\Admin\AppData\Local\Temp\CalClock.exe
"C:\Users\Admin\AppData\Local\Temp\CalClock.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2968

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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