modiloader | 0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3

Analysis

max time kernel
120s
max time network
140s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 09:44

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General

Target

0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe
Size

2.2MB
MD5

0f018f32f0af9c878fdbffa381005100
SHA1

c8d8a423e635777fa5bc73b029414612a26869c7
SHA256

0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3
SHA512

f027d936554a245f21f7b10a374ff0442876ed277d0acb0e6af662b4c6c2269015a149943a95fb1dcce79ec4ebc5ba06b3cc8ae1d5c86ae079b77dd6573ad6cf
SSDEEP

49152:HpMRn2NcS7PE5pkKDGKffsAwLkTYMeIEj:HpMR2NJCffsAwgTYMFEj

Score

10^/10

modiloader bootkit persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader First Stage 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1416-56-0x0000000003000000-0x0000000003189000-memory.dmp	modiloader_stage1
behavioral1/memory/1416-57-0x0000000000400000-0x000000000063E000-memory.dmp	modiloader_stage1
behavioral1/memory/1416-58-0x0000000000400000-0x000000000063E000-memory.dmp	modiloader_stage1

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\f = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe"	0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe

description ioc process

File opened for modification \??\PhysicalDrive0 0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	\??\PhysicalDrive0	0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe

pid	process
1416	0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe
1416	0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe

description	pid	process	target process
PID 1416 wrote to memory of 1556	1416	0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe	hh.exe
PID 1416 wrote to memory of 1556	1416	0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe	hh.exe
PID 1416 wrote to memory of 1556	1416	0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe	hh.exe
PID 1416 wrote to memory of 1556	1416	0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe	hh.exe

C:\Users\Admin\AppData\Local\Temp\0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe
"C:\Users\Admin\AppData\Local\Temp\0e5f31e5e621d8fe3893e39e13a26698339226998c1d77c0682421956b64bfb3.exe"
1⤵
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1416

C:\windows\hh.exe
"C:\windows\hh.exe"
2⤵
PID:1556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1416-54-0x0000000075E81000-0x0000000075E83000-memory.dmp

Filesize
8KB

Download
memory/1416-56-0x0000000003000000-0x0000000003189000-memory.dmp

Filesize
1.5MB

Download
memory/1416-57-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1416-58-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1556-55-0x0000000000000000-mapping.dmp

Download