Overview
overview
10Static
static
10samples (2).zip
windows7-x64
1samples (2).zip
windows10-2004-x64
104035f6fdd...f9.exe
windows7-x64
904035f6fdd...f9.exe
windows10-2004-x64
70ed3c87ce3...07.exe
windows7-x64
40ed3c87ce3...07.exe
windows10-2004-x64
11ce291b079...c9.exe
windows7-x64
71ce291b079...c9.exe
windows10-2004-x64
130e66f95b4...49.exe
windows7-x64
830e66f95b4...49.exe
windows10-2004-x64
8335160bee7...cf.exe
windows7-x64
10335160bee7...cf.exe
windows10-2004-x64
103d7dd597a4...67.exe
windows7-x64
13d7dd597a4...67.exe
windows10-2004-x64
742dcc46f9d...46.exe
windows7-x64
942dcc46f9d...46.exe
windows10-2004-x64
84fcaca23e9...f2.exe
windows7-x64
104fcaca23e9...f2.exe
windows10-2004-x64
105994300c1c...a7.exe
windows7-x64
105994300c1c...a7.exe
windows10-2004-x64
9627a5569d4...e3.exe
windows7-x64
7627a5569d4...e3.exe
windows10-2004-x64
10kf12.pyc
windows7-x64
3kf12.pyc
windows10-2004-x64
163fa775052...2f.exe
windows7-x64
163fa775052...2f.exe
windows10-2004-x64
1645b8dfe73...79.exe
windows7-x64
1645b8dfe73...79.exe
windows10-2004-x64
164862ec699...1b.exe
windows7-x64
964862ec699...1b.exe
windows10-2004-x64
10741d75a02d...5e.exe
windows7-x64
10741d75a02d...5e.exe
windows10-2004-x64
10Analysis
-
max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
01-01-2024 15:12
Behavioral task
behavioral1
Sample
samples (2).zip
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
samples (2).zip
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
04035f6fdd921309391aef9c88e550d8b3d31c7a4ea80267cb436f491aedd1f9.exe
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
04035f6fdd921309391aef9c88e550d8b3d31c7a4ea80267cb436f491aedd1f9.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
0ed3c87ce3ae58f3dcbf46fa022acd3cbbe0b96af2e9f7a47eee0dd50af88507.exe
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
0ed3c87ce3ae58f3dcbf46fa022acd3cbbe0b96af2e9f7a47eee0dd50af88507.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
1ce291b079977e7a3f81c44b644fe1f63ae34a0a1a5c264e9f6085c184f7a1c9.exe
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
1ce291b079977e7a3f81c44b644fe1f63ae34a0a1a5c264e9f6085c184f7a1c9.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
30e66f95b46c8162c921648e31f8c4146ba3f0580f4e5aa3b4c4de18687f6a49.exe
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
30e66f95b46c8162c921648e31f8c4146ba3f0580f4e5aa3b4c4de18687f6a49.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
335160bee7e253c4ffa69e5164c4a36fe5fb4be2c246958dfcc509d8202db5cf.exe
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
335160bee7e253c4ffa69e5164c4a36fe5fb4be2c246958dfcc509d8202db5cf.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
3d7dd597a465d5275ef31d9e4f9dd80ed4de6139a1b3707cb3b0ffa068595567.exe
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
3d7dd597a465d5275ef31d9e4f9dd80ed4de6139a1b3707cb3b0ffa068595567.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
42dcc46f9d6e6e8efe3f95bc09dbdfb6206a52a4347dbb652f315cec483a2046.exe
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
42dcc46f9d6e6e8efe3f95bc09dbdfb6206a52a4347dbb652f315cec483a2046.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
4fcaca23e9cfb7e5448f41bb520c9c35c68fd795ac6b3707d0c64cf92738acf2.exe
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
4fcaca23e9cfb7e5448f41bb520c9c35c68fd795ac6b3707d0c64cf92738acf2.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
5994300c1c7d099bec13d2a6aec942a6a866966e9545773d3fbe26cc5e308da7.exe
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
5994300c1c7d099bec13d2a6aec942a6a866966e9545773d3fbe26cc5e308da7.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
627a5569d47d6c66be6888e4f68f0a50e491404a08da1a7d9242c2d29e3e8ee3.exe
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
627a5569d47d6c66be6888e4f68f0a50e491404a08da1a7d9242c2d29e3e8ee3.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
kf12.pyc
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
kf12.pyc
Resource
win10v2004-20231222-en
Behavioral task
behavioral25
Sample
63fa775052a5c7258d44a00d9f2b4a9263f96fb7c61778cbb1ba9102fed2082f.exe
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
63fa775052a5c7258d44a00d9f2b4a9263f96fb7c61778cbb1ba9102fed2082f.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral27
Sample
645b8dfe73255d9e5be6e778292f3dde84ff8c5918a044ae42bcace0fe9ca279.exe
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
645b8dfe73255d9e5be6e778292f3dde84ff8c5918a044ae42bcace0fe9ca279.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
64862ec69991a7d454c3ea3a0c3a8f1cc9c80192078740b9c753abbf1b7bef1b.exe
Resource
win7-20231129-en
Behavioral task
behavioral30
Sample
64862ec69991a7d454c3ea3a0c3a8f1cc9c80192078740b9c753abbf1b7bef1b.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
741d75a02d0c4974968f0738a8b67104e1c24a58143b73b5ed1c25ac023b695e.exe
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
741d75a02d0c4974968f0738a8b67104e1c24a58143b73b5ed1c25ac023b695e.exe
Resource
win10v2004-20231215-en
General
-
Target
kf12.pyc
-
Size
21KB
-
MD5
fec35c2b1a1da26cff18b89c0a687b4d
-
SHA1
32444072a2558f1e11964ad40974dbb9d0369d69
-
SHA256
7d8be3ab49fc7b8eb2c762a702d1b0c4702f02d62f534631c5e4258f64f88130
-
SHA512
f4d812ab23b285ff17686cc03e15bdb348b1eefe89848a1b24dc5d63715fbe82f9f8f2cf83037baa113b94526f97161644484ef4a68cbd43010b016b440aade8
-
SSDEEP
384:KXGa/jX2Fu1fC1t8jUG3keIkfkRkBk6k6k6keke4kzkNkZk6k6k6kekrkzkNklkQ:K2a/jX1fWeTMueFFFJeDAKmFFFJIAKSQ
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2720 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2720 AcroRd32.exe 2720 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1752 wrote to memory of 2540 1752 cmd.exe 29 PID 1752 wrote to memory of 2540 1752 cmd.exe 29 PID 1752 wrote to memory of 2540 1752 cmd.exe 29 PID 2540 wrote to memory of 2720 2540 rundll32.exe 30 PID 2540 wrote to memory of 2720 2540 rundll32.exe 30 PID 2540 wrote to memory of 2720 2540 rundll32.exe 30 PID 2540 wrote to memory of 2720 2540 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\kf12.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\kf12.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\kf12.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2720
-
-