modiloader | 796faee4e99839d1dd11e7bc1205e67cd89fe31bb6fa6ab2743310868935f671

Analysis

max time kernel
132s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2024 02:21

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General

Target

3cb0e7646266b60650aa554f75bd9c0b.exe
Size

1.0MB
MD5

3cb0e7646266b60650aa554f75bd9c0b
SHA1

c018d025eb56c4fe7fdd19b2e2169c85f7da55a8
SHA256

796faee4e99839d1dd11e7bc1205e67cd89fe31bb6fa6ab2743310868935f671
SHA512

f275b38d8e019ff79e4d42f91449ed14707dcd373f6c158ac61ae70d0038baf70680decc4656c3b7dd9e22fd9c6b9e2ed3ff4967c2a5a7948dfc49825c836fa7
SSDEEP

24576:rmoO8itEqfZgX7kwa6chgOr00MNFe32UkqD/XDuH+D:qvZ+a6BOKFe32UkC+O

Score

10^/10

modiloader 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 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\pm.pngc\pmayk.exe	modiloader_stage1
behavioral2/memory/2116-22-0x0000000000400000-0x0000000000700000-memory.dmp	modiloader_stage1

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

3cb0e7646266b60650aa554f75bd9c0b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	3cb0e7646266b60650aa554f75bd9c0b.exe

Executes dropped EXE 1 IoCs

Processes:

pmayk.exe

pid process

2116 pmayk.exe

pid	process
2116	pmayk.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

pmayk.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\pm = "C:\\Users\\Admin\\Music\\pmero.hta"	pmayk.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3cb0e7646266b60650aa554f75bd9c0b.exepmayk.exe

description	pid	process	target process
PID 3884 wrote to memory of 2116	3884	3cb0e7646266b60650aa554f75bd9c0b.exe	pmayk.exe
PID 3884 wrote to memory of 2116	3884	3cb0e7646266b60650aa554f75bd9c0b.exe	pmayk.exe
PID 3884 wrote to memory of 2116	3884	3cb0e7646266b60650aa554f75bd9c0b.exe	pmayk.exe
PID 2116 wrote to memory of 2212	2116	pmayk.exe	TapiUnattend.exe
PID 2116 wrote to memory of 2212	2116	pmayk.exe	TapiUnattend.exe
PID 2116 wrote to memory of 2212	2116	pmayk.exe	TapiUnattend.exe

C:\Users\Admin\AppData\Local\Temp\3cb0e7646266b60650aa554f75bd9c0b.exe
"C:\Users\Admin\AppData\Local\Temp\3cb0e7646266b60650aa554f75bd9c0b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3884

C:\Users\Admin\AppData\Local\Temp\pm.pngc\pmayk.exe
"C:\Users\Admin\AppData\Local\Temp\pm.pngc\pmayk.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\TapiUnattend.exe
"C:\Windows\System32\TapiUnattend.exe"
3⤵
PID:2212

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\pm.pngc\pm.png
Filesize
570KB

MD5
2dea18e625b3b7e8b85b98e960b21559

SHA1
94031a8da09c20e63c4adc11a96758fcfa8369d9

SHA256
34fd2c420ebffa1c3f54c5802c8f6f5705ef12e431bca9f1dcc518c395043a67

SHA512
b4efb730b47dfe7e6324b58e17d62959d28ba78c57feb6314da94e014379476f0204ded0236d66260351a456de74fd46ed47af90ff400c89b60409c9025f23b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\pm.pngc\pmayk.exe
Filesize
886KB

MD5
7866de22baa38c927b53fc331fcde99e

SHA1
ca899afd50fbb88da439ca8e492b2a992cebe948

SHA256
0171e836f4a7ffbf66dea654f4bce360578ba8493032acd2a1b7c8d64cf4b79c

SHA512
d3047dfab772a0c9db64d24aa1bc09e07056118e5b964fd09feacde040a7ad0d0c97299596b38b059271fa7ae71e3542ea02e2bfe41d88839ba400381b9b45c4

Download Submit
memory/2116-12-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/2116-22-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download