modiloader | 03cf03d1cb4fa502ef1992e2aad3f1f7f0d7fbf1f16839d87eaa04f330211bbe

General

Target

USD_ Payment Schedule.xls
Size

330KB
MD5

9f32ff59ea65adff3fa4350db7db6534
SHA1

fa29ea0f3c997ef85c9fbd0a3f27d57344f15dd1
SHA256

03cf03d1cb4fa502ef1992e2aad3f1f7f0d7fbf1f16839d87eaa04f330211bbe
SHA512

062ce1a27b51714fb9f8273a67e117dca1c61665d3eb43ffcd619a6c294e4ba8fc997c70b087d66d053cf743d1715f6c562859e3d84e72283920acff76cd8aad

Score

10^/10

modiloader ransomware 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 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFUCSVF.exe	modiloader_stage1
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFUCSVF.exe	modiloader_stage1

Executes dropped EXE 1 IoCs

Processes:

PFUCSVF.exe

pid process

1960 PFUCSVF.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

pid	process
1960	PFUCSVF.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

528 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXEPFUCSVF.exe

pid	process
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
1960	PFUCSVF.exe
1960	PFUCSVF.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 528 wrote to memory of 1960	528	EXCEL.EXE	PFUCSVF.exe
PID 528 wrote to memory of 1960	528	EXCEL.EXE	PFUCSVF.exe
PID 528 wrote to memory of 1960	528	EXCEL.EXE	PFUCSVF.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\USD_ Payment Schedule.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:528

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFUCSVF.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFUCSVF.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1960

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFUCSVF.exe
MD5
473e05acc6195bf707b34546e23d31ed

SHA1
43f800228bf4401a06ad271470ac7f415eccc864

SHA256
73fccc2e9290fb5baad4bee3010ebc2835cbeb4fe35da0a822e2fd9793e2ad28

SHA512
8d806b3bca31d1e0e021ee11102b5f41259857946ac6bbaba77070fc7d39eaa10192bb565459b9cd0a64ffdca7a58ac4914719090e16cfbe94ba763e2bfb11eb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFUCSVF.exe
MD5
473e05acc6195bf707b34546e23d31ed

SHA1
43f800228bf4401a06ad271470ac7f415eccc864

SHA256
73fccc2e9290fb5baad4bee3010ebc2835cbeb4fe35da0a822e2fd9793e2ad28

SHA512
8d806b3bca31d1e0e021ee11102b5f41259857946ac6bbaba77070fc7d39eaa10192bb565459b9cd0a64ffdca7a58ac4914719090e16cfbe94ba763e2bfb11eb

Download Submit
memory/528-2-0x00007FFA91E20000-0x00007FFA91E30000-memory.dmp

Filesize
64KB

Download
memory/528-3-0x00007FFA91E20000-0x00007FFA91E30000-memory.dmp

Filesize
64KB

Download
memory/528-4-0x00007FFA91E20000-0x00007FFA91E30000-memory.dmp

Filesize
64KB

Download
memory/528-5-0x00007FFA91E20000-0x00007FFA91E30000-memory.dmp

Filesize
64KB

Download
memory/528-6-0x00007FFAB5AB0000-0x00007FFAB60E7000-memory.dmp

Filesize
6.2MB

Download
memory/1960-7-0x0000000000000000-mapping.dmp

Download
memory/1960-10-0x0000000002230000-0x0000000002231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads