c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e

General

Target

c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe
Size

832KB
MD5

a6e1cfe61b4744c3529a1e1246378423
SHA1

26453f462ff8d158b734bd2c182e750f2dcd9242
SHA256

c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e
SHA512

28f60974da501243a521effd6d3bd1216fe3c045c4a150b9e81dc99873db0af9ed60305edd1bd54eba3e95b7fc0b95ba8de89e4660ea2a7753821b39ca4dd0a0
SSDEEP

24576:lpLGc/1HGsJEJ3aCsMk2gwPk5Dk4fJHtNVdc2EAT:j6EFCsurkK4fNt4i

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Setup.exe

pid process

848 Setup.exe
Loads dropped DLL 1 IoCs

Processes:

c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe

pid process

1828 c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
848	Setup.exe

pid	process
1828	c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe

Modifies Internet Explorer settings 1 TTPs 7 IoCs

adware spyware

Modify Registry

T1112

Processes:

Setup.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS	Setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	Setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	Setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS	Setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS\Setup.exe = "1"	Setup.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN	Setup.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\Setup.exe = "0"	Setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe

description	pid	process	target process
PID 1828 wrote to memory of 848	1828	c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe	Setup.exe
PID 1828 wrote to memory of 848	1828	c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe	Setup.exe
PID 1828 wrote to memory of 848	1828	c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe	Setup.exe
PID 1828 wrote to memory of 848	1828	c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe	Setup.exe
PID 1828 wrote to memory of 848	1828	c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe	Setup.exe
PID 1828 wrote to memory of 848	1828	c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe	Setup.exe
PID 1828 wrote to memory of 848	1828	c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe	Setup.exe

C:\Users\Admin\AppData\Local\Temp\c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe
"C:\Users\Admin\AppData\Local\Temp\c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1828

C:\Users\Admin\AppData\Local\Temp\a2a63Em0Gq\KYCtkM0N\Setup.exe
C:\Users\Admin\AppData\Local\Temp\a2a63Em0Gq\KYCtkM0N\Setup.exe --relaunch
2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
PID:848

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a2a63Em0Gq\KYCtkM0N\Setup.exe
Filesize
832KB

MD5
a6e1cfe61b4744c3529a1e1246378423

SHA1
26453f462ff8d158b734bd2c182e750f2dcd9242

SHA256
c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e

SHA512
28f60974da501243a521effd6d3bd1216fe3c045c4a150b9e81dc99873db0af9ed60305edd1bd54eba3e95b7fc0b95ba8de89e4660ea2a7753821b39ca4dd0a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\a2a63Em0Gq\KYCtkM0N\Setup.exe
Filesize
832KB

MD5
a6e1cfe61b4744c3529a1e1246378423

SHA1
26453f462ff8d158b734bd2c182e750f2dcd9242

SHA256
c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e

SHA512
28f60974da501243a521effd6d3bd1216fe3c045c4a150b9e81dc99873db0af9ed60305edd1bd54eba3e95b7fc0b95ba8de89e4660ea2a7753821b39ca4dd0a0

Download Submit
\Users\Admin\AppData\Local\Temp\a2a63Em0Gq\KYCtkM0N\Setup.exe
Filesize
832KB

MD5
a6e1cfe61b4744c3529a1e1246378423

SHA1
26453f462ff8d158b734bd2c182e750f2dcd9242

SHA256
c1521b89e62844c2b1f0da65775609c63e2b0254dee15e84e2838377e47a218e

SHA512
28f60974da501243a521effd6d3bd1216fe3c045c4a150b9e81dc99873db0af9ed60305edd1bd54eba3e95b7fc0b95ba8de89e4660ea2a7753821b39ca4dd0a0

Download Submit
memory/848-56-0x0000000000000000-mapping.dmp

Download
memory/1828-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download

Analysis

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