modiloader | 65bad03ee1cb7fb500952335e2ccd5dc20ba17885d7fb506d4145636d2e3fc3d

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 14:21

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General

Target

Recycled.scr
Size

2.7MB
MD5

9b48981c56a3b8f6cffc0477c7543f41
SHA1

2ca465a582bfe5d3880c74bd93e8ff8db7a62c17
SHA256

28b14700d77c28f992ae6490f9736587d82b365956618e91a0a9e4bb675a1491
SHA512

837d006b4190c746a52b7cf7c66e785941a4c25dea8a2f952424d31ddd663a1a7cfbb1b278448f064859cfbf2bb0c3aaffa4cf1e2a720e30fde775221387ba17
SSDEEP

49152:Mq8baVBRf0cz64DUxOruWwxWjjUNShc3TGoVfiMX+GX6oMpS3:Mq8+VBt0kHg0lINL3aoV2GXWp

Score

10^/10

modiloader discovery evasion trojan

Malware Config

Signatures

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

ModiLoader Second Stage 3 IoCs

resource	yara_rule
behavioral1/memory/2200-3-0x0000000000400000-0x00000000009B4000-memory.dmp	modiloader_stage2
behavioral1/memory/2200-7-0x0000000000400000-0x00000000009B4000-memory.dmp	modiloader_stage2
behavioral1/memory/2200-5-0x0000000000400000-0x00000000009B4000-memory.dmp	modiloader_stage2

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Recycled.scr

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	Recycled.scr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Recycled.scr

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2200	Recycled.scr

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~1\COMMON~1\MICROS~1\MSInfo\2010.txt	Recycled.scr

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Recycled.scr

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2200	Recycled.scr

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2808	2200	Recycled.scr	30
PID 2200 wrote to memory of 2808	2200	Recycled.scr	30
PID 2200 wrote to memory of 2808	2200	Recycled.scr	30
PID 2200 wrote to memory of 2808	2200	Recycled.scr	30

C:\Users\Admin\AppData\Local\Temp\Recycled.scr
"C:\Users\Admin\AppData\Local\Temp\Recycled.scr" /S
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2200
- C:\program files\internet explorer\IEXPLORE.EXE
  "C:\program files\internet explorer\IEXPLORE.EXE"
  2⤵
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2200-0-0x0000000000400000-0x00000000009B4000-memory.dmp

Filesize
5.7MB

Download
memory/2200-3-0x0000000000400000-0x00000000009B4000-memory.dmp

Filesize
5.7MB

Download
memory/2200-7-0x0000000000400000-0x00000000009B4000-memory.dmp

Filesize
5.7MB

Download
memory/2200-6-0x0000000000401000-0x0000000000451000-memory.dmp

Filesize
320KB

Download
memory/2200-5-0x0000000000400000-0x00000000009B4000-memory.dmp

Filesize
5.7MB

Download
memory/2200-1-0x0000000000401000-0x0000000000451000-memory.dmp

Filesize
320KB

Download