modiloader | f4e313e106cbbde6a98c5d2a73dcfe1a5589bec2dea2bbcc322c16b9f4211f19

Resubmissions

04/02/2024, 00:04

240204-acwlasfcan10

03/02/2024, 23:55

240203-3yhksafahm10

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 00:04

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General

Target
8db1b5fa3d21283c306991a06c1bbf06.exe
Size 277KB
Sample240204-acwlasfcan
SHA256 f4e313e106cbbde6a98c5d2a73dcfe1a5589bec2dea2bbcc322c16b9f4211f19
MD5 8db1b5fa3d21283c306991a06c1bbf06
SHA1 03d3bbe5189653e1ae7066ab02a63737ef52bb3d
SHA512 4788869dcba755f328c3d5b634f0aa17200b3a60fd9d4ec002f6575f9161367f963796cc7bb92db239b3fd7ef7cedc93295ad15823e6bddacd05fdc2b67f25ca
SSDEEP 6144:cWpIfbek5AyaBaFEeWjFLAFc9u5iCHgOfPCComz:rGfbek5A1Bae539uHHgEaK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader evasion trojan

Malware Config

Signatures

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

ModiLoader Second Stage 10 IoCs

resource	yara_rule
behavioral1/memory/2872-4-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-6-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-5-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-10-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-9-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-8-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-12-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-11-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-7-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-22-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
2708	mstwain32.exe

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	8db1b5fa3d21283c306991a06c1bbf06.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8db1b5fa3d21283c306991a06c1bbf06.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	8db1b5fa3d21283c306991a06c1bbf06.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	mstwain32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	mstwain32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2444 set thread context of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	8db1b5fa3d21283c306991a06c1bbf06.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	8db1b5fa3d21283c306991a06c1bbf06.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2872	8db1b5fa3d21283c306991a06c1bbf06.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2444 wrote to memory of 2872	2444	8db1b5fa3d21283c306991a06c1bbf06.exe	28
PID 2872 wrote to memory of 2708	2872	8db1b5fa3d21283c306991a06c1bbf06.exe	29
PID 2872 wrote to memory of 2708	2872	8db1b5fa3d21283c306991a06c1bbf06.exe	29
PID 2872 wrote to memory of 2708	2872	8db1b5fa3d21283c306991a06c1bbf06.exe	29
PID 2872 wrote to memory of 2708	2872	8db1b5fa3d21283c306991a06c1bbf06.exe	29

C:\Users\Admin\AppData\Local\Temp\8db1b5fa3d21283c306991a06c1bbf06.exe
"C:\Users\Admin\AppData\Local\Temp\8db1b5fa3d21283c306991a06c1bbf06.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Local\Temp\8db1b5fa3d21283c306991a06c1bbf06.exe
  C:\Users\Admin\AppData\Local\Temp\8db1b5fa3d21283c306991a06c1bbf06.exe
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\8db1b5fa3d21283c306991a06c1bbf06.exe"
    3⤵
    - Executes dropped EXE
    - Maps connected drives based on registry
    PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

mstwain32.exe

Path C:\Windows\mstwain32.exe
Size 277KB
SHA256 f4e313e106cbbde6a98c5d2a73dcfe1a5589bec2dea2bbcc322c16b9f4211f19
MD5 8db1b5fa3d21283c306991a06c1bbf06
SHA1 03d3bbe5189653e1ae7066ab02a63737ef52bb3d
SHA512 4788869dcba755f328c3d5b634f0aa17200b3a60fd9d4ec002f6575f9161367f963796cc7bb92db239b3fd7ef7cedc93295ad15823e6bddacd05fdc2b67f25ca
SSDEEP 6144:cWpIfbek5AyaBaFEeWjFLAFc9u5iCHgOfPCComz:rGfbek5A1Bae539uHHgEaK
MD5 SHA1 SHA512 SSDEEP

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memory/2872-9-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-4-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-6-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-5-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-10-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-0-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-8-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-12-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-11-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-7-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-13-0x0000000001F90000-0x0000000001F91000-memory.dmp

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memory/2872-22-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2872-2-0x0000000000400000-0x000000000044B000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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