modiloader | 85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 10:12

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General

Target

85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe
Size

2.2MB
MD5

6ca4faf256bbd6ff2f95829f48a2374f
SHA1

49fae735ff368b5b2e2ee9bf2fffd20fca1a0f31
SHA256

85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5
SHA512

51ed888565b5b99eb17eb433a717934ac2b646839a1624adf83313fef82e6adb1780e48fd37d6c0bd478de8ecbe97a3dea29653af5fd1f54260345b9a9ba798e
SSDEEP

49152:HpMRn2NcS7sE5pkKDGKffsAwLkTYMeIEj:HpMR2NJ3ffsAwgTYMFEj

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/868-56-0x0000000002F90000-0x0000000003119000-memory.dmp	modiloader_stage1
behavioral1/memory/868-57-0x0000000000400000-0x000000000063E000-memory.dmp	modiloader_stage1
behavioral1/memory/868-58-0x0000000000400000-0x000000000063E000-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:

85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\f = "C:\\Users\\Admin\\AppData\\Local\\Temp\\85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe"	85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.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:

85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe

description ioc process

File opened for modification \??\PhysicalDrive0 85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.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	85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe

pid	process
868	85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe
868	85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe

description	pid	process	target process
PID 868 wrote to memory of 1900	868	85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe	hh.exe
PID 868 wrote to memory of 1900	868	85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe	hh.exe
PID 868 wrote to memory of 1900	868	85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe	hh.exe
PID 868 wrote to memory of 1900	868	85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe	hh.exe

C:\Users\Admin\AppData\Local\Temp\85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe
"C:\Users\Admin\AppData\Local\Temp\85aeac884c7763593e7a2d0ff6567ee9ecc805be4019ad6bb88ad178af65dbc5.exe"
1⤵
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:868

C:\windows\hh.exe
"C:\windows\hh.exe"
2⤵
PID:1900

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/868-54-0x0000000075131000-0x0000000075133000-memory.dmp

Filesize
8KB

Download
memory/868-56-0x0000000002F90000-0x0000000003119000-memory.dmp

Filesize
1.5MB

Download
memory/868-57-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/868-58-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1900-55-0x0000000000000000-mapping.dmp

Download