modiloader | dbf0fff8619800b75efb046b9028d1bfca9e7fa079f65a4b83d18773df15f787

General

Target

Waybill.exe
Size

723KB
MD5

09b9b6539a59827caae00b06080ad282
SHA1

caf0989bf05e05c6a1a71e3b4c8ae10603ef5b76
SHA256

dbf0fff8619800b75efb046b9028d1bfca9e7fa079f65a4b83d18773df15f787
SHA512

c6abe7020e437a774c4a7d1838f401495af5704378dcef3fa6147c0f3648ef5b4d942c8c9b6f881515017e1ce26094016dcc1825f9e4cf61b7232541c27a0a8f

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Version

2.7.2 Pro

Botnet

RemoteHost

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

rem166.hopto.org:2404

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
hjtfjytfcyhnghncghc-O9CPRJ
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

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:

Waybill.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Furleet = "C:\\Users\\Public\\Libraries\\teelruF.url"	Waybill.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ieinstal.exe

pid process

2820 ieinstal.exe

pid	process
2820	ieinstal.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Waybill.exe

description	pid	process	target process
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe
PID 1380 wrote to memory of 2820	1380	Waybill.exe	ieinstal.exe

C:\Users\Admin\AppData\Local\Temp\Waybill.exe
"C:\Users\Admin\AppData\Local\Temp\Waybill.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1380

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2820

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

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Downloads

memory/1380-115-0x0000000000520000-0x000000000066A000-memory.dmp

Filesize
1.3MB

Download
memory/2820-119-0x0000000000000000-mapping.dmp

Download
memory/2820-121-0x0000000000C70000-0x0000000000C71000-memory.dmp

Filesize
4KB

Download
memory/2820-120-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/2820-123-0x0000000010540000-0x0000000010563000-memory.dmp

Filesize
140KB

Download
memory/2820-122-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/2820-124-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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