b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 04:25

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General

Target

authroot.stl
Size

181KB
MD5

4ea6026cf93ec6338144661bf1202cd1
SHA1

a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256

8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512

6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP

1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

2 2168 rundll32.exe
5 2168 rundll32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

rundll32.exe

pid process

2168 rundll32.exe

flow	pid	process
2	2168	rundll32.exe
5	2168	rundll32.exe

pid	process
2168	rundll32.exe

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe cryptext.dll,CryptExtOpenCTL C:\Users\Admin\AppData\Local\Temp\authroot.stl
1⤵
- Blocklisted process makes network request
- Suspicious use of FindShellTrayWindow
PID:2168

Network

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize
242B

MD5
c63fc1d7f19fd44f5e0c95dcf286918a

SHA1
76c94e7e6734de87c8edce4a7b4e1ae7ed13223c

SHA256
7af672395a94bfb1311e508a43341f18b92935f6eb92144a8143fee11cee1e3f

SHA512
707aa659ba8a5dfdb44f94b88b347c90da4b602433cfd5e9cf9a0b5f4cbe33cfe499c4fbd94a6b5e2b185e1921de6d2cba22a1ffd61df113065f41fa1facf663

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6BA.tmp
Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads