c85a87adee4c099081c0be6a69d7468280f4d289bde882c66af86d023d32288a

max time kernel
19s
max time network
25s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10/02/2025, 23:22

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General

Target
mozilla/AC_RAIZ_FNMT-RCM_SERVIDORES_SEGUROS.crt
Size 904B
Sample250210-3c3c3askfz
SHA256 8e3f237813d3f3e2f5767bc2a694a7557f84bb79fd60ef1adc25afd0c1fc5ef6
MD5 e3150cae02fa4e17fe2c9406b0cfc7d1
SHA1 4f6fa356c7ad3ab1ddee68e9d4a43d76aebed253
SHA512 c0fec8db08b32140ea3038f89705c2f8203a9daf6bc3ae3ac9aad99bda8b93163b1ac0030b7f8a133a7388e2397c2dfc624a943ff8db8204d9c8092067ad191d
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	2604	rundll32.exe

Modifies system certificate store 2 TTPs 3 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\SystemCertificates\REQUEST	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\SystemCertificates\CA\Certificates\62FFD99EC0650D03CE7593D2ED3F2D32C9E3E54A	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\SystemCertificates\CA\Certificates\62FFD99EC0650D03CE7593D2ED3F2D32C9E3E54A\Blob = 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	rundll32.exe

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe cryptext.dll,CryptExtOpenCER C:\Users\Admin\AppData\Local\Temp\mozilla\AC_RAIZ_FNMT-RCM_SERVIDORES_SEGUROS.crt
1⤵
- Blocklisted process makes network request
- Modifies system certificate store
PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Cab8B03.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab8B03.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

TarA9CC.tmp

Path C:\Users\Admin\AppData\Local\Temp\TarA9CC.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP