d761f94ec1b7b9e697a76d55ae48e47eea4571796b04b8d5eb9da64c41a2d7f2

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 03:33

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General

Target

268772a71e5319ca60995fcf4d8c7366.dll
Size

41KB
MD5

268772a71e5319ca60995fcf4d8c7366
SHA1

ca0611129ec8d81b1db61fd750f1a1fc524c4fd3
SHA256

d761f94ec1b7b9e697a76d55ae48e47eea4571796b04b8d5eb9da64c41a2d7f2
SHA512

a0e239752f4a472a5d4ef273a3020011afe39c337111a6680f00be7d3aefdb35109fbbe355a660d7657c0fee3204fd043764da59e51718a8d2cf7def39eca511
SSDEEP

768:8Sl0+7Wv6q5ugCRXXlc5T8mBSREOeGIstRDnI/yav+6pGpK/mlbLXQL:b0rv62u3RXwvPpItsyAQnQ

Score

8^/10

persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Drivers\CelInDriver.sys	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\CelInDrv\ImagePath = "\\??\\C:\\Windows\\system32\\Drivers\\CelInDriver.sys"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\windhcp.ocx	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\windhcp.ocx	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3068	rundll32.exe
3068	rundll32.exe
3068	rundll32.exe
3068	rundll32.exe
3068	rundll32.exe
3068	rundll32.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3068	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	rundll32.exe
Token: SeDebugPrivilege	3068	rundll32.exe
Token: SeDebugPrivilege	3068	rundll32.exe
Token: SeLoadDriverPrivilege	3068	rundll32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 3068	3064	rundll32.exe	14
PID 3064 wrote to memory of 3068	3064	rundll32.exe	14
PID 3064 wrote to memory of 3068	3064	rundll32.exe	14
PID 3064 wrote to memory of 3068	3064	rundll32.exe	14
PID 3064 wrote to memory of 3068	3064	rundll32.exe	14
PID 3064 wrote to memory of 3068	3064	rundll32.exe	14
PID 3064 wrote to memory of 3068	3064	rundll32.exe	14
PID 3068 wrote to memory of 1204	3068	rundll32.exe	21

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\268772a71e5319ca60995fcf4d8c7366.dll,#1
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\268772a71e5319ca60995fcf4d8c7366.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3064

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1204-1-0x0000000002990000-0x0000000002991000-memory.dmp

Filesize
4KB

Download
memory/3068-4-0x00000000000A0000-0x00000000000BC000-memory.dmp

Filesize
112KB

Download