modiloader | 1324330a3a69d7a418bdb7107c1487e74cf2b5b5e86fb72279bc8614744f58ab

Analysis

max time kernel
592s
max time network
595s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2023, 13:41

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General

Target

INVOICE_.exe
Size

640KB
MD5

e312cfa4795acc6dec1d0891bdf8eb9f
SHA1

da376a18505b3cd7efca74468b39d9d47936bbde
SHA256

6ffecca0f0a3e6d020410a78a16e6e1dcb6dd11b898960e06ca3a64e2fa58e5c
SHA512

12a4243109692ef0b7fae5b53f4234d81ab8e0b5f75ce5b26b31c08b851e3078d897bed73cd9b2a54981091445aa17059049d806459b1a6df71e3d462dcf99e6
SSDEEP

12288:QHoqtbCdS9yJ2G6wkR009PzDVPSOKBxn:QINdS9m6rR009PNPrKv

Score

10^/10

modiloader remcos host persistence rat trojan

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

churchboy2.ddns.net:2404

churchboy9.ddns.net:2404

churchboy19.ddns.net:2404

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
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
jhgcos
keylog_path
%AppData%
mouse_option
false
mutex
peoyqijw
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
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

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/4668-133-0x00000000027C0000-0x00000000027F2000-memory.dmp	modiloader_stage2

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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tviztuhi = "C:\\Users\\Public\\Libraries\\ihutzivT.url"	INVOICE_.exe

Script User-Agent 3 IoCs

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

description	flow	ioc
HTTP User-Agent header	19	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	21	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	18	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89
PID 4668 wrote to memory of 740	4668	INVOICE_.exe	89

C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Windows\SysWOW64\logagent.exe
  "C:\Windows\System32\logagent.exe"
  2⤵
  PID:740

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/740-173-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-197-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-147-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/740-149-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-151-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-202-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-201-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-175-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-153-0x0000000010530000-0x000000001060F000-memory.dmp

Filesize
892KB

Download
memory/740-154-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-155-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-158-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-159-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-160-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-161-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-162-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-163-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-164-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-165-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-166-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-167-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-168-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-169-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-170-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-171-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-172-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-142-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/740-141-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/740-152-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-176-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-177-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-179-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-180-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-181-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-183-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-184-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-187-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-188-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-189-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-190-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-191-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-192-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-193-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-194-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-195-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-196-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-174-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-198-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-199-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/740-200-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4668-135-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/4668-133-0x00000000027C0000-0x00000000027F2000-memory.dmp

Filesize
200KB

Download
memory/4668-136-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download
memory/4668-140-0x0000000010530000-0x000000001060F000-memory.dmp

Filesize
892KB

Download
memory/4668-146-0x0000000010530000-0x000000001060F000-memory.dmp

Filesize
892KB

Download