1a3210ffab76c4e8bd5ffc312e81f4933231d1f27bce96750acfc2c8b756f998

Analysis

max time kernel
142s
max time network
142s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 11:51

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General

Target

439e8409159746c350e08a55bb7dfc53.exe
Size

56KB
MD5

439e8409159746c350e08a55bb7dfc53
SHA1

864024811d617de0c5e9325c759a8d7f9eafcfac
SHA256

1a3210ffab76c4e8bd5ffc312e81f4933231d1f27bce96750acfc2c8b756f998
SHA512

9cdda895161b3fac3ba384cdb0b62be3c61f32c09c1c14212036d6323b58ec6765ff463227728e08482416ad9f8398c0b6d049c1c639e91372eb799e206d2e2b
SSDEEP

1536:jUb/k88DvDLmg+EIG/ns4xnWBKkVJg82crHLglI:Ig88DvDLmgh/ns4kBKkn922Lg

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	439e8409159746c350e08a55bb7dfc53.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"	439e8409159746c350e08a55bb7dfc53.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	439e8409159746c350e08a55bb7dfc53.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\windhcp.dll	439e8409159746c350e08a55bb7dfc53.exe
File opened for modification	C:\Windows\SysWOW64\windhcp.dll	439e8409159746c350e08a55bb7dfc53.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2248	439e8409159746c350e08a55bb7dfc53.exe
2248	439e8409159746c350e08a55bb7dfc53.exe
2248	439e8409159746c350e08a55bb7dfc53.exe
2248	439e8409159746c350e08a55bb7dfc53.exe
2248	439e8409159746c350e08a55bb7dfc53.exe
2248	439e8409159746c350e08a55bb7dfc53.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2248	439e8409159746c350e08a55bb7dfc53.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	439e8409159746c350e08a55bb7dfc53.exe
Token: SeDebugPrivilege	2248	439e8409159746c350e08a55bb7dfc53.exe
Token: SeDebugPrivilege	2248	439e8409159746c350e08a55bb7dfc53.exe
Token: SeLoadDriverPrivilege	2248	439e8409159746c350e08a55bb7dfc53.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 1192	2248	439e8409159746c350e08a55bb7dfc53.exe	20
PID 2248 wrote to memory of 2752	2248	439e8409159746c350e08a55bb7dfc53.exe	17
PID 2248 wrote to memory of 2752	2248	439e8409159746c350e08a55bb7dfc53.exe	17
PID 2248 wrote to memory of 2752	2248	439e8409159746c350e08a55bb7dfc53.exe	17
PID 2248 wrote to memory of 2752	2248	439e8409159746c350e08a55bb7dfc53.exe	17

C:\Users\Admin\AppData\Local\Temp\439e8409159746c350e08a55bb7dfc53.exe
"C:\Users\Admin\AppData\Local\Temp\439e8409159746c350e08a55bb7dfc53.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\439e8409159746c350e08a55bb7dfc53.exe
  2⤵
  PID:2752

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192

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

C:\Windows\SysWOW64\windhcp.dll

Filesize
30KB

MD5
f681e95f66b8ca611d2ff978849b9110

SHA1
92b5cc30da301c5516c29fc5721fa3edb0262b1e

SHA256
fe382be973edc6b525bdfb7801f99ecfe1187f6e708a84ed57c2838ad7472473

SHA512
9bde965cdc831f3fc931772b70e0ff8e26acd694f01394511558935042064a705dcbf1b0e446cd4c1ba7fbd7a672d4bd74dea8863c311c16d4dd1abbc2958fc9

Download Submit
\Users\Admin\AppData\Local\Temp\439e8409159746c350e08a55bb7dfc53.dat

Filesize
40KB

MD5
1a7a849c68706c10385d1b28532d4038

SHA1
8cf4ca8fcc0877375bd5957740c06ac443bdd34a

SHA256
333ea8845e6e5b151092f1a73694902ee7a091085f1ed35621f1c84ea51c434c

SHA512
5a983d0361a8fe0584e12e29c00563d063a0c9cf8b2d09b8414ec1df433f3d4338d391b6b2021d7621b41c5194ac7e9e06af5b73d1e22d816125ef6983c4d616

Download Submit
memory/1192-9-0x00000000029C0000-0x00000000029C1000-memory.dmp

Filesize
4KB

Download
memory/2248-0-0x0000000001020000-0x0000000001036000-memory.dmp

Filesize
88KB

Download
memory/2248-12-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2248-8-0x0000000000270000-0x0000000000272000-memory.dmp

Filesize
8KB

Download
memory/2248-1-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/2248-13-0x0000000001020000-0x0000000001036000-memory.dmp

Filesize
88KB

Download
memory/2248-14-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download