modiloader | 93e8c5b7f7c4b18efb1f1c09c5ad9c5d8782611b9417f19063cdd17f3cdd92ee

General

Target

Attached pdf.exe
Size

617KB
MD5

83c9cee1f209ec02934e3895d5c51dfa
SHA1

2ba1dac5e2fef7a948b21efcc267b3096656cf68
SHA256

93e8c5b7f7c4b18efb1f1c09c5ad9c5d8782611b9417f19063cdd17f3cdd92ee
SHA512

2df5a3c0f01f3aed5dd1d1cee3ef30e99b0b7e5e1692c6818f720d6d00bcb2b23a56b2334422ae618a57ffe87ceab0c5b54d6d43bfd463e77956eaa3feb656a2

Score

10^/10

modiloader remcos persistence rat trojan

Malware Config

Extracted

Family

remcos

C2

rem1.camdvr.org:2404

rem16.hopto.org:2404

rem1666.hopto.org:2404

rem16.camdvr.org:2404

remmusic.freeddns.org:2404

sunwap1.ddns.net:2404

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Attached pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\Znoaho = "C:\\Users\\Public\\Libraries\\ohaonZ.url"	Attached pdf.exe

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 5 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ieinstal.exe

pid process

1764 ieinstal.exe

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

pid	process
1764	ieinstal.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Attached pdf.exe

description	pid	process	target process
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe
PID 1924 wrote to memory of 1764	1924	Attached pdf.exe	ieinstal.exe

C:\Users\Admin\AppData\Local\Temp\Attached pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Attached pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1924

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1764-4-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1764-5-0x0000000000000000-mapping.dmp

Download
memory/1764-6-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download
memory/1764-9-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1764-14-0x0000000010540000-0x0000000010564000-memory.dmp

Filesize
144KB

Download
memory/1764-15-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1924-2-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1924-3-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing