Overview
overview
6Static
static
3exe.win-am...ox.exe
windows7-x64
1exe.win-am...ox.exe
windows10-2004-x64
6exe.win-am...ES.pyc
windows7-x64
3exe.win-am...ES.pyc
windows10-2004-x64
3exe.win-am...C4.dll
windows7-x64
1exe.win-am...C4.dll
windows10-2004-x64
1exe.win-am...sh.pyc
windows7-x64
3exe.win-am...sh.pyc
windows10-2004-x64
3exe.win-am...20.dll
windows7-x64
1exe.win-am...20.dll
windows10-2004-x64
1exe.win-am...__.pyc
windows7-x64
3exe.win-am...__.pyc
windows10-2004-x64
3exe.win-am...20.dll
windows7-x64
1exe.win-am...20.dll
windows10-2004-x64
1exe.win-am...bc.pyc
windows7-x64
3exe.win-am...bc.pyc
windows10-2004-x64
3exe.win-am...cm.pyc
windows7-x64
3exe.win-am...cm.pyc
windows10-2004-x64
3exe.win-am...fb.pyc
windows7-x64
3exe.win-am...fb.pyc
windows10-2004-x64
3exe.win-am...tr.pyc
windows7-x64
3exe.win-am...tr.pyc
windows10-2004-x64
3exe.win-am...ax.pyc
windows7-x64
3exe.win-am...ax.pyc
windows10-2004-x64
3exe.win-am...cb.pyc
windows7-x64
3exe.win-am...cb.pyc
windows10-2004-x64
3exe.win-am...cm.pyc
windows7-x64
3exe.win-am...cm.pyc
windows10-2004-x64
3exe.win-am...cb.pyc
windows7-x64
3exe.win-am...cb.pyc
windows10-2004-x64
3exe.win-am...fb.pyc
windows7-x64
3exe.win-am...fb.pyc
windows10-2004-x64
Analysis
-
max time kernel
155s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11/10/2023, 05:26
Static task
static1
Behavioral task
behavioral1
Sample
exe.win-amd64-3.11/Roblox.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
exe.win-amd64-3.11/Roblox.exe
Resource
win10v2004-20230915-en
Behavioral task
behavioral3
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/AES.pyc
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/AES.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral5
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_ARC4.dll
Resource
win7-20230831-en
Behavioral task
behavioral6
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_ARC4.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral7
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_EKSBlowfish.pyc
Resource
win7-20230831-en
Behavioral task
behavioral8
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_EKSBlowfish.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral9
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_Salsa20.dll
Resource
win7-20230831-en
Behavioral task
behavioral10
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_Salsa20.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral11
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/__init__.pyc
Resource
win7-20230831-en
Behavioral task
behavioral12
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/__init__.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral13
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_chacha20.dll
Resource
win7-20230831-en
Behavioral task
behavioral14
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_chacha20.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral15
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_cbc.pyc
Resource
win7-20230831-en
Behavioral task
behavioral16
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_cbc.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral17
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ccm.pyc
Resource
win7-20230831-en
Behavioral task
behavioral18
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ccm.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral19
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_cfb.pyc
Resource
win7-20230831-en
Behavioral task
behavioral20
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_cfb.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral21
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ctr.pyc
Resource
win7-20230831-en
Behavioral task
behavioral22
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ctr.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral23
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_eax.pyc
Resource
win7-20230831-en
Behavioral task
behavioral24
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_eax.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral25
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ecb.pyc
Resource
win7-20230831-en
Behavioral task
behavioral26
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ecb.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral27
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_gcm.pyc
Resource
win7-20230831-en
Behavioral task
behavioral28
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_gcm.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral29
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ocb.pyc
Resource
win7-20230831-en
Behavioral task
behavioral30
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ocb.pyc
Resource
win10v2004-20230915-en
Behavioral task
behavioral31
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ofb.pyc
Resource
win7-20230831-en
Behavioral task
behavioral32
Sample
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_ofb.pyc
Resource
win10v2004-20230915-en
General
-
Target
exe.win-amd64-3.11/lib/Cryptodome/Cipher/_mode_cfb.pyc
-
Size
10KB
-
MD5
42c117d583146e0e7bf236616bf69a29
-
SHA1
b35d32cc33586d4e473c55d37c6abacfbfebda1f
-
SHA256
1e79692da8b0ea34acd22340e768d300172d95762832dc1b201d9bc1f79b3abb
-
SHA512
e62576a168bcdcb65014406be1cd883b4059e837662ad944ce577b1dc38bed330b2fd3ee7d0386a001e4fdecee335ec511b2acd8f6c471ac946761f81d5c07c9
-
SSDEEP
192:Nw3jDCxEZzorrU4B/NU4DfZZkZZZZqjbPpw:grZzoXTBFTDnjtw
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 Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_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-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\pyc_auto_file\shell rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2528 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2520 wrote to memory of 2212 2520 cmd.exe 31 PID 2520 wrote to memory of 2212 2520 cmd.exe 31 PID 2520 wrote to memory of 2212 2520 cmd.exe 31 PID 2212 wrote to memory of 2528 2212 rundll32.exe 32 PID 2212 wrote to memory of 2528 2212 rundll32.exe 32 PID 2212 wrote to memory of 2528 2212 rundll32.exe 32 PID 2212 wrote to memory of 2528 2212 rundll32.exe 32
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\exe.win-amd64-3.11\lib\Cryptodome\Cipher\_mode_cfb.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\exe.win-amd64-3.11\lib\Cryptodome\Cipher\_mode_cfb.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2212 -
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\exe.win-amd64-3.11\lib\Cryptodome\Cipher\_mode_cfb.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2528
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5380cdee106291ed2a5cb65e8c324c851
SHA152c18b40e32d645db39197946ef54743d1f8e4db
SHA256f7f408ab273b713222804413798fb0fffa01c23fb07309c60e4cd630b4ad4b01
SHA512f98f898a1a5e5e1b14b41b9f24311bba9e27dca57758f3f6966a93ab903a5e3ef5010d92774cf75d44f24538f9e23ad0d932cdb8169b3d23d98a466b1d7a732a