a185012dfc87456f9b2befe586ac91ba800484badb44f79533a59d4899c49fba

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24/03/2023, 01:06

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General

Target

f33af993fd18bb47b931e031b68dc5e030dbea7118ed4746183238066336f597.exe
Size

3.3MB
MD5

1232537c161e32f904ce36d4f29c71d0
SHA1

1bc2fdc280628cebb4a3f0104a642df02e98b27c
SHA256

f33af993fd18bb47b931e031b68dc5e030dbea7118ed4746183238066336f597
SHA512

25b288318cc05bdbb40a1f9feeef550703354ae75b6582be3a052c32c0f2bc31978e7e00aa4516f6a9faff4b64fd3432fd5374b1df0b3ae30998c827e47c8b76
SSDEEP

98304:uviz/27qWGq/TzuqCDl2Ptao7jk8zatt1N3:uviq75/TzufvpN3

Score

8^/10

evasion persistence

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
908	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	CDS.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	crypted.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\47f25923fcbb693d740507642e98e188.exe	WindowsDefender.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\47f25923fcbb693d740507642e98e188.exe	WindowsDefender.exe

Executes dropped EXE 3 IoCs

pid	Process
1760	CDS.exe
2308	crypted.exe
3176	WindowsDefender.exe

Loads dropped DLL 1 IoCs

pid	Process
1760	CDS.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	f33af993fd18bb47b931e031b68dc5e030dbea7118ed4746183238066336f597.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	f33af993fd18bb47b931e031b68dc5e030dbea7118ed4746183238066336f597.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\47f25923fcbb693d740507642e98e188 = "\"C:\\ProgramData\\WindowsDefender.exe\" .."	WindowsDefender.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\47f25923fcbb693d740507642e98e188 = "\"C:\\ProgramData\\WindowsDefender.exe\" .."	WindowsDefender.exe

Drops autorun.inf file 1 TTPs 3 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	WindowsDefender.exe
File opened for modification	C:\autorun.inf	WindowsDefender.exe
File created	D:\autorun.inf	WindowsDefender.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1760	CDS.exe
1760	CDS.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: 33	3436	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3436	AUDIODG.EXE
Token: SeDebugPrivilege	2308	crypted.exe
Token: SeDebugPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe
Token: 33	3176	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	3176	WindowsDefender.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1760	CDS.exe
1760	CDS.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 1760	1476	f33af993fd18bb47b931e031b68dc5e030dbea7118ed4746183238066336f597.exe	87
PID 1476 wrote to memory of 1760	1476	f33af993fd18bb47b931e031b68dc5e030dbea7118ed4746183238066336f597.exe	87
PID 1476 wrote to memory of 1760	1476	f33af993fd18bb47b931e031b68dc5e030dbea7118ed4746183238066336f597.exe	87
PID 1760 wrote to memory of 2308	1760	CDS.exe	89
PID 1760 wrote to memory of 2308	1760	CDS.exe	89
PID 1760 wrote to memory of 2308	1760	CDS.exe	89
PID 2308 wrote to memory of 3176	2308	crypted.exe	100
PID 2308 wrote to memory of 3176	2308	crypted.exe	100
PID 2308 wrote to memory of 3176	2308	crypted.exe	100
PID 3176 wrote to memory of 908	3176	WindowsDefender.exe	104
PID 3176 wrote to memory of 908	3176	WindowsDefender.exe	104
PID 3176 wrote to memory of 908	3176	WindowsDefender.exe	104

C:\Users\Admin\AppData\Local\Temp\f33af993fd18bb47b931e031b68dc5e030dbea7118ed4746183238066336f597.exe
"C:\Users\Admin\AppData\Local\Temp\f33af993fd18bb47b931e031b68dc5e030dbea7118ed4746183238066336f597.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2308
  - - C:\ProgramData\WindowsDefender.exe
      "C:\ProgramData\WindowsDefender.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      Drops autorun.inf file
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3176
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\ProgramData\WindowsDefender.exe" "WindowsDefender.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        
        PID:908

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x338 0x33c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\WindowsDefender.exe

Filesize
122KB

MD5
b870be9d6f1afe7effb70c01388fd45d

SHA1
58496b46542ef55b1d155d4cc266c3d976cca1a3

SHA256
b7c5d1859604bb32f32cd42f3689942e6ce5a0e372540d8974f18e828dc73dc2

SHA512
22ef3f80f7ff1793725284f85927719ac6518b929ad109c8187d05c404d9244f6240b2448dfdfceb5215e78caf963e2418a18ce1d81e18924733a246ebb726ab

Download Submit
C:\ProgramData\WindowsDefender.exe

Filesize
122KB

MD5
b870be9d6f1afe7effb70c01388fd45d

SHA1
58496b46542ef55b1d155d4cc266c3d976cca1a3

SHA256
b7c5d1859604bb32f32cd42f3689942e6ce5a0e372540d8974f18e828dc73dc2

SHA512
22ef3f80f7ff1793725284f85927719ac6518b929ad109c8187d05c404d9244f6240b2448dfdfceb5215e78caf963e2418a18ce1d81e18924733a246ebb726ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\630_10.png

Filesize
2KB

MD5
340b294efc691d1b20c64175d565ebc7

SHA1
81cb9649bd1c9a62ae79e781818fc24d15c29ce7

SHA256
72566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9

SHA512
1395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.cdd

Filesize
13KB

MD5
3e7ecaeb51c2812d13b07ec852d74aaf

SHA1
e9bdab93596ffb0f7f8c65243c579180939acb26

SHA256
e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96

SHA512
635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

Filesize
6.1MB

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

Filesize
6.1MB

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c.dat

Filesize
122KB

MD5
4634044951decb927b22e24b09d33389

SHA1
88350c9864e74abafb1467b281bdf56fade90ec2

SHA256
d763c417efe104d0b2c1e960f1cabf4189180cdf541daeb5eaac066792b69b17

SHA512
5c97fd6a54fc987860374945e08257f49431725c06bcd2d4dfcb455442b8d9a06965ff3674f78a2d02620ee248b136e7ef0715e0a54116718970d115ec85d249

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

Filesize
122KB

MD5
b870be9d6f1afe7effb70c01388fd45d

SHA1
58496b46542ef55b1d155d4cc266c3d976cca1a3

SHA256
b7c5d1859604bb32f32cd42f3689942e6ce5a0e372540d8974f18e828dc73dc2

SHA512
22ef3f80f7ff1793725284f85927719ac6518b929ad109c8187d05c404d9244f6240b2448dfdfceb5215e78caf963e2418a18ce1d81e18924733a246ebb726ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

Filesize
122KB

MD5
b870be9d6f1afe7effb70c01388fd45d

SHA1
58496b46542ef55b1d155d4cc266c3d976cca1a3

SHA256
b7c5d1859604bb32f32cd42f3689942e6ce5a0e372540d8974f18e828dc73dc2

SHA512
22ef3f80f7ff1793725284f85927719ac6518b929ad109c8187d05c404d9244f6240b2448dfdfceb5215e78caf963e2418a18ce1d81e18924733a246ebb726ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

Filesize
122KB

MD5
b870be9d6f1afe7effb70c01388fd45d

SHA1
58496b46542ef55b1d155d4cc266c3d976cca1a3

SHA256
b7c5d1859604bb32f32cd42f3689942e6ce5a0e372540d8974f18e828dc73dc2

SHA512
22ef3f80f7ff1793725284f85927719ac6518b929ad109c8187d05c404d9244f6240b2448dfdfceb5215e78caf963e2418a18ce1d81e18924733a246ebb726ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fs.settings

Filesize
4B

MD5
b326b5062b2f0e69046810717534cb09

SHA1
5ffe533b830f08a0326348a9160afafc8ada44db

SHA256
b5bea41b6c623f7c09f1bf24dcae58ebab3c0cdd90ad966bc43a45b44867e12b

SHA512
9120cd5faef07a08e971ff024a3fcbea1e3a6b44142a6d82ca28c6c42e4f852595bcf53d81d776f10541045abdb7c37950629415d0dc66c8d86c64a5606d32de

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

Filesize
322KB

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

Filesize
322KB

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit
memory/2308-173-0x00000000049E0000-0x00000000049E1000-memory.dmp

Filesize
4KB

Download
memory/2308-172-0x0000000000750000-0x0000000000760000-memory.dmp

Filesize
64KB

Download
memory/3176-183-0x0000000002B80000-0x0000000002B90000-memory.dmp

Filesize
64KB

Download
memory/3176-184-0x0000000005320000-0x0000000005321000-memory.dmp

Filesize
4KB

Download
memory/3176-190-0x0000000002B80000-0x0000000002B90000-memory.dmp

Filesize
64KB

Download
memory/3176-191-0x0000000002B80000-0x0000000002B90000-memory.dmp

Filesize
64KB

Download
memory/3176-202-0x0000000002B80000-0x0000000002B90000-memory.dmp

Filesize
64KB

Download