modiloader | 8043ea1eec1337542f54a3da01248f048588f43c2f5a434d425775dbb3ddd6b3

Analysis

max time kernel
152s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220722-en
resource tags

arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2022, 13:05

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General

Target
scan_521000045547489091.exe
Size 1.1MB
Sample220809-qbhaaaafcn
SHA256 8043ea1eec1337542f54a3da01248f048588f43c2f5a434d425775dbb3ddd6b3
MD5 e4d6a57cd3367c1eeb9c5b5ed15c435f
SHA1 c73a0768770dbce2749e19ca4bc919de1a04585a
SHA512 dfc5c1ba726ea2b96e7e681c75c3a31142a2524bde1825938cfce6ba052b1461bcb156700682bca68c116f4dc474ee1bcdc35155ef9eb7cc5f6c63544ca2cce0
MD5 SHA1 SHA512

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

chicarit430002.duckdns.org:5490
wizzkye10004.hopto.org:5490

Attributes

audio_folder
MicRecords
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
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc--sexy-JM0AM0
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

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
30	4764	cmd.exe
32	4764	cmd.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Control Panel\International\Geo\Nation	scan_521000045547489091.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qzuawesjo = "C:\\Users\\Public\\Libraries\\ojsewauzQ.url"	scan_521000045547489091.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4776	scan_521000045547489091.exe
4776	scan_521000045547489091.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87
PID 4776 wrote to memory of 4764	4776	scan_521000045547489091.exe	87

C:\Users\Admin\AppData\Local\Temp\scan_521000045547489091.exe
"C:\Users\Admin\AppData\Local\Temp\scan_521000045547489091.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe"
  2⤵
  - Blocklisted process makes network request
  PID:4764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4764-154-0x0000000050590000-0x0000000050611000-memory.dmp

Download

memory/4764-189-0x0000000000400000-0x000000000047E000-memory.dmp

Download

memory/4764-190-0x0000000000400000-0x000000000047E000-memory.dmp

Download

memory/4776-149-0x0000000050590000-0x0000000050611000-memory.dmp

Download