modiloader | f0a918e68c0c93adc3fba08886ad00b055e61d6f8edf7e99ff5b7cce606cfe48

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2023 10:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Ref 01-550-1907 m.exe
Size

1.9MB
MD5

f38e9e0c4766c0333bea51d01bbc0953
SHA1

41355f4c618b0681205251919b2f70534a77bb5b
SHA256

4ca412a3a073c7d656b03710912f8f6386e3613bc76af5ebb20986ff9a94e9f9
SHA512

822e7da1b0fd4aac2e2fd9281a2c802f8d607fe45535a03d9f329d35f3836d461b7d8e548ec951502b4401cd56ef6227febd087ed30f8b14fcf3c3bc35be7e9b
SSDEEP

49152:Ad8fIwCjykkGo5ITnLK+Ey9S1qXtfRGHKpk3H8eiTwHFimH9jIrMKSIa+GGXHIft:AdoIwkkrITnG69S1qXtfRGHKpk3H8ei4

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 Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/644-2-0x00000000043C0000-0x00000000053C0000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Ref 01-550-1907 m.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fsqijjno = "C:\\Users\\Public\\Fsqijjno.url"	Ref 01-550-1907 m.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2372 644 WerFault.exe Ref 01-550-1907 m.exe

pid	pid_target	process	target process
2372	644	WerFault.exe	Ref 01-550-1907 m.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	34	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	36	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Ref 01-550-1907 m.exe

pid process

644 Ref 01-550-1907 m.exe
644 Ref 01-550-1907 m.exe

pid	process
644	Ref 01-550-1907 m.exe
644	Ref 01-550-1907 m.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Ref 01-550-1907 m.exe

description	pid	process	target process
PID 644 wrote to memory of 1264	644	Ref 01-550-1907 m.exe	colorcpl.exe
PID 644 wrote to memory of 1264	644	Ref 01-550-1907 m.exe	colorcpl.exe
PID 644 wrote to memory of 1264	644	Ref 01-550-1907 m.exe	colorcpl.exe

C:\Users\Admin\AppData\Local\Temp\Ref 01-550-1907 m.exe
"C:\Users\Admin\AppData\Local\Temp\Ref 01-550-1907 m.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
2⤵
PID:1264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 1784
2⤵
- Program crash
PID:2372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 644 -ip 644
1⤵
PID:3812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/644-0-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/644-1-0x00000000043C0000-0x00000000053C0000-memory.dmp

Filesize
16.0MB

Download
memory/644-2-0x00000000043C0000-0x00000000053C0000-memory.dmp

Filesize
16.0MB

Download
memory/644-4-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download