modiloader | 15851690d3cb99d95e82bb47d3f31db71688c69dd50b0a8367e97aa3b501b637

General

Target

f41bae930735486a5456bb2ec5b22bd7.exe
Size

700KB
MD5

f41bae930735486a5456bb2ec5b22bd7
SHA1

7c05b71120cd703685fe19d5f8969ec73ae340bd
SHA256

15851690d3cb99d95e82bb47d3f31db71688c69dd50b0a8367e97aa3b501b637
SHA512

0ad929cf22f7ebc84580d6967f1c7ad60d9cf8a18ff730d4b996f498bd740af451eedff622887f4c6216cb32e09fafa848eb81f8bb27df6ab589d9e42dc99676

Score

10^/10

modiloader remcos new-yak-0817 persistence rat trojan

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

NEW-YAK-0817

C2

bustabantu0817.hopto.org:7575

bustabantu0817.duckdns.org:7575

bustabantu0817.ddnsgeek.com:7575

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
sgol.dat
keylog_flag
false
keylog_folder
mygol
keylog_path
%AppData%
mouse_option
false
mutex
bgy-hyt-juj-BISZGM
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
notepad;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:

f41bae930735486a5456bb2ec5b22bd7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1669990088-476967504-438132596-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hrtugfp = "C:\\Users\\Public\\Libraries\\pfgutrH.url"	f41bae930735486a5456bb2ec5b22bd7.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

1112 reg.exe
1584 reg.exe
1764 reg.exe

pid	process
1112	reg.exe
1584	reg.exe
1764	reg.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

f41bae930735486a5456bb2ec5b22bd7.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 828	1632	f41bae930735486a5456bb2ec5b22bd7.exe	ieinstal.exe
PID 1632 wrote to memory of 1836	1632	f41bae930735486a5456bb2ec5b22bd7.exe	cmd.exe
PID 1632 wrote to memory of 1836	1632	f41bae930735486a5456bb2ec5b22bd7.exe	cmd.exe
PID 1632 wrote to memory of 1836	1632	f41bae930735486a5456bb2ec5b22bd7.exe	cmd.exe
PID 1632 wrote to memory of 1836	1632	f41bae930735486a5456bb2ec5b22bd7.exe	cmd.exe
PID 1836 wrote to memory of 1228	1836	cmd.exe	cmd.exe
PID 1836 wrote to memory of 1228	1836	cmd.exe	cmd.exe
PID 1836 wrote to memory of 1228	1836	cmd.exe	cmd.exe
PID 1836 wrote to memory of 1228	1836	cmd.exe	cmd.exe
PID 1228 wrote to memory of 1112	1228	cmd.exe	reg.exe
PID 1228 wrote to memory of 1112	1228	cmd.exe	reg.exe
PID 1228 wrote to memory of 1112	1228	cmd.exe	reg.exe
PID 1228 wrote to memory of 1112	1228	cmd.exe	reg.exe
PID 1228 wrote to memory of 1584	1228	cmd.exe	reg.exe
PID 1228 wrote to memory of 1584	1228	cmd.exe	reg.exe
PID 1228 wrote to memory of 1584	1228	cmd.exe	reg.exe
PID 1228 wrote to memory of 1584	1228	cmd.exe	reg.exe
PID 1228 wrote to memory of 1728	1228	cmd.exe	schtasks.exe
PID 1228 wrote to memory of 1728	1228	cmd.exe	schtasks.exe
PID 1228 wrote to memory of 1728	1228	cmd.exe	schtasks.exe
PID 1228 wrote to memory of 1728	1228	cmd.exe	schtasks.exe
PID 1632 wrote to memory of 1336	1632	f41bae930735486a5456bb2ec5b22bd7.exe	cmd.exe
PID 1632 wrote to memory of 1336	1632	f41bae930735486a5456bb2ec5b22bd7.exe	cmd.exe
PID 1632 wrote to memory of 1336	1632	f41bae930735486a5456bb2ec5b22bd7.exe	cmd.exe
PID 1632 wrote to memory of 1336	1632	f41bae930735486a5456bb2ec5b22bd7.exe	cmd.exe
PID 1336 wrote to memory of 1764	1336	cmd.exe	reg.exe
PID 1336 wrote to memory of 1764	1336	cmd.exe	reg.exe
PID 1336 wrote to memory of 1764	1336	cmd.exe	reg.exe
PID 1336 wrote to memory of 1764	1336	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\f41bae930735486a5456bb2ec5b22bd7.exe
"C:\Users\Admin\AppData\Local\Temp\f41bae930735486a5456bb2ec5b22bd7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1632

C:\Program Files (x86)\internet explorer\ieinstal.exe
"C:\Program Files (x86)\internet explorer\ieinstal.exe"
2⤵
PID:828

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\Trast.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:1228

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:1112

C:\Windows\SysWOW64\reg.exe
reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
4⤵
- Modifies registry key
PID:1584

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
4⤵
PID:1728

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\nest.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
3⤵
- Modifies registry key
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

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\Trast.bat
MD5
4068c9f69fcd8a171c67f81d4a952a54

SHA1
4d2536a8c28cdcc17465e20d6693fb9e8e713b36

SHA256
24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

SHA512
a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

Download Submit
C:\Users\Public\UKO.bat
MD5
eaf8d967454c3bbddbf2e05a421411f8

SHA1
6170880409b24de75c2dc3d56a506fbff7f6622c

SHA256
f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

SHA512
fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

Download Submit
C:\Users\Public\nest.bat
MD5
8ada51400b7915de2124baaf75e3414c

SHA1
1a7b9db12184ab7fd7fce1c383f9670a00adb081

SHA256
45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

SHA512
9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

Download Submit
memory/828-69-0x0000000010590000-0x000000001060C000-memory.dmp

Filesize
496KB

Download
memory/828-71-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/828-58-0x0000000000000000-mapping.dmp

Download
memory/828-67-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/828-68-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/828-70-0x0000000000210000-0x0000000000289000-memory.dmp

Filesize
484KB

Download
memory/1112-64-0x0000000000000000-mapping.dmp

Download
memory/1228-62-0x0000000000000000-mapping.dmp

Download
memory/1336-72-0x0000000000000000-mapping.dmp

Download
memory/1584-65-0x0000000000000000-mapping.dmp

Download
memory/1632-52-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/1632-57-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1632-54-0x0000000000260000-0x000000000027B000-memory.dmp

Filesize
108KB

Download
memory/1728-66-0x0000000000000000-mapping.dmp

Download
memory/1764-74-0x0000000000000000-mapping.dmp

Download
memory/1836-59-0x0000000000000000-mapping.dmp

Download

Analysis

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