db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f

General

Target

db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe
Size

17KB
MD5

06f674637cfdc9f7834a01e6baf43656
SHA1

f52856a11263140376e61363692204e4caddb5af
SHA256

db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f
SHA512

f81d798108060530ed06ae1268351e9945839a3f5ffe2e639f93f7037106390ff300724eb838632db080eb45946261a3aff81a2a4bb8186465d379793d85557e
SSDEEP

384:lXR6Rh3ztmrRjqpOgVvIvRjENNJkZSsP3Ns2LigCjS9iz:lXQRztm1NgdIdyXkYs62ij2A

Score

8^/10

evasion persistence

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
1436	kernelwind32.exe

Modifies Windows Firewall 1 TTPs 2 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4344	netsh.exe
2256	netsh.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Driver\ImagePath = "\\??\\C:\\Windows\\system32\\kernelw.sys"	kernelwind32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Driver\ImagePath = "\\??\\C:\\Windows\\system32\\kernelw.sys"	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\kernelwind32.exe"	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\kernelwind32.exe"	kernelwind32.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kernelwind32.exe	kernelwind32.exe
File opened for modification	C:\Windows\SysWOW64\dllh8jkd1q8.exe	kernelwind32.exe
File opened for modification	C:\Windows\SysWOW64\kernelw.sys	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe
File created	C:\Windows\SysWOW64\kernelwind32.exe	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe
File opened for modification	C:\Windows\SysWOW64\kernelwind32.exe	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe
File opened for modification	C:\Windows\SysWOW64\kernelw.sys	kernelwind32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
4824	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe
1436	kernelwind32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	4824	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe
Token: SeLoadDriverPrivilege	1436	kernelwind32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 2256	4824	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe	81
PID 4824 wrote to memory of 2256	4824	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe	81
PID 4824 wrote to memory of 2256	4824	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe	81
PID 4824 wrote to memory of 1436	4824	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe	83
PID 4824 wrote to memory of 1436	4824	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe	83
PID 4824 wrote to memory of 1436	4824	db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe	83
PID 1436 wrote to memory of 4344	1436	kernelwind32.exe	84
PID 1436 wrote to memory of 4344	1436	kernelwind32.exe	84
PID 1436 wrote to memory of 4344	1436	kernelwind32.exe	84

C:\Users\Admin\AppData\Local\Temp\db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe
"C:\Users\Admin\AppData\Local\Temp\db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe"
1⤵
- Sets service image path in registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f.exe' enable
  2⤵
  - Modifies Windows Firewall
  PID:2256
- C:\Windows\SysWOW64\kernelwind32.exe
  C:\Windows\system32\kernelwind32.exe
  2⤵
  - Executes dropped EXE
  - Sets service image path in registry
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1436
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall set allowedprogram 'C:\Windows\SysWOW64\kernelwind32.exe' enable
    3⤵
    - Modifies Windows Firewall
    PID:4344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\kernelw.sys

Filesize
7KB

MD5
cc43010c40ec6907f2d0526c55495c16

SHA1
04f9b28b79824e20c77db44189db718b683971cf

SHA256
3b3fd4601090089980c93ff7607e9d3e863ce51155c56e0093871493f7a0f875

SHA512
b21ec29fc85f124a47ce46fb15f47643a4dc2ff521548746ca6a0d39030353c95b2cda4afe7372a85568ba464f162bf3c8060ec469e63f41775731994a6cb8f3

Download Submit
C:\Windows\SysWOW64\kernelwind32.exe

Filesize
17KB

MD5
06f674637cfdc9f7834a01e6baf43656

SHA1
f52856a11263140376e61363692204e4caddb5af

SHA256
db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f

SHA512
f81d798108060530ed06ae1268351e9945839a3f5ffe2e639f93f7037106390ff300724eb838632db080eb45946261a3aff81a2a4bb8186465d379793d85557e

Download Submit
C:\Windows\SysWOW64\kernelwind32.exe

Filesize
17KB

MD5
06f674637cfdc9f7834a01e6baf43656

SHA1
f52856a11263140376e61363692204e4caddb5af

SHA256
db37ced8bcdbc873cfe11a02e07246a0ecdab2c9f3aa19dfba7cfdfe0bda000f

SHA512
f81d798108060530ed06ae1268351e9945839a3f5ffe2e639f93f7037106390ff300724eb838632db080eb45946261a3aff81a2a4bb8186465d379793d85557e

Download Submit
memory/1436-141-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1436-144-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1436-145-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4824-135-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4824-136-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4824-132-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4824-133-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads