modiloader | a108ae8bd69ac84bc8dd5fa7bdbb6eff9cd65a70c16567e0f36dae1f15d090fd

General

Target

Purchase order.exe
Size

1.6MB
MD5

4e1e0180c5e140946d7970f64e644ac1
SHA1

e5f939a05d817a4b56ef7ec74788ad9ce3b8cb27
SHA256

a108ae8bd69ac84bc8dd5fa7bdbb6eff9cd65a70c16567e0f36dae1f15d090fd
SHA512

f50883d44f5ccdccb9adf9cb6cc3f6c9d6947e9b0f85d7727af151424e54d1f041d3bb6238dd29f27c47ebed20ae7e74187d31b67fd285cc1aa7d28e66204954
SSDEEP

49152:ay6imwGhfj4GBT2z95Zw/L+gwnz1nwyuPTh:azimw4f8iSuD+g

Score

10^/10

modiloader remcos remotehost collection persistence rat spyware stealer trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:44999

127.0.0.1:54991

africarem.duckdns.org:54991

africarem.duckdns.org:44999

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-R571U4
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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

Processes:

resource	yara_rule
behavioral2/memory/4604-2-0x0000000002AD0000-0x0000000003AD0000-memory.dmp	modiloader_stage2

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/3988-60-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/3988-68-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/3840-59-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3840-72-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3840-59-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3988-60-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3368-65-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3368-61-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3988-68-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3368-70-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3840-72-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Executes dropped EXE 1 IoCs

Processes:

1112927.exe

pid process

1328 1112927.exe
Loads dropped DLL 1 IoCs

Processes:

1112927.exe

pid process

1328 1112927.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
1328	1112927.exe

pid	process
1328	1112927.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

Purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	Purchase order.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Purchase order.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hmzvinyr = "C:\\Users\\Public\\Hmzvinyr.url"	Purchase order.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Purchase order.exe

description	pid	process	target process
PID 4604 set thread context of 3840	4604	Purchase order.exe	Purchase order.exe
PID 4604 set thread context of 3988	4604	Purchase order.exe	Purchase order.exe
PID 4604 set thread context of 3368	4604	Purchase order.exe	Purchase order.exe

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

Processes:

description flow ioc

HTTP User-Agent header 15 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

description	flow	ioc
HTTP User-Agent header	15	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exePurchase order.exePurchase order.exe

pid	process
3168	powershell.exe
3168	powershell.exe
3840	Purchase order.exe
3840	Purchase order.exe
3368	Purchase order.exe
3368	Purchase order.exe
3840	Purchase order.exe
3840	Purchase order.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

Purchase order.exe

pid process

4604 Purchase order.exe
4604 Purchase order.exe
4604 Purchase order.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exePurchase order.exe

description pid process

Token: SeDebugPrivilege 3168 powershell.exe
Token: SeDebugPrivilege 3368 Purchase order.exe

pid	process
4604	Purchase order.exe
4604	Purchase order.exe
4604	Purchase order.exe

description	pid	process
Token: SeDebugPrivilege	3168	powershell.exe
Token: SeDebugPrivilege	3368	Purchase order.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

Purchase order.execmd.exe1112927.execmd.execmd.exe

description	pid	process	target process
PID 4604 wrote to memory of 2336	4604	Purchase order.exe	cmd.exe
PID 4604 wrote to memory of 2336	4604	Purchase order.exe	cmd.exe
PID 4604 wrote to memory of 2336	4604	Purchase order.exe	cmd.exe
PID 4604 wrote to memory of 1372	4604	Purchase order.exe	cmd.exe
PID 4604 wrote to memory of 1372	4604	Purchase order.exe	cmd.exe
PID 4604 wrote to memory of 1372	4604	Purchase order.exe	cmd.exe
PID 4604 wrote to memory of 4996	4604	Purchase order.exe	cmd.exe
PID 4604 wrote to memory of 4996	4604	Purchase order.exe	cmd.exe
PID 4604 wrote to memory of 4996	4604	Purchase order.exe	cmd.exe
PID 4996 wrote to memory of 1328	4996	cmd.exe	1112927.exe
PID 4996 wrote to memory of 1328	4996	cmd.exe	1112927.exe
PID 1328 wrote to memory of 2080	1328	1112927.exe	cmd.exe
PID 1328 wrote to memory of 2080	1328	1112927.exe	cmd.exe
PID 2080 wrote to memory of 2876	2080	cmd.exe	cmd.exe
PID 2080 wrote to memory of 2876	2080	cmd.exe	cmd.exe
PID 2876 wrote to memory of 3168	2876	cmd.exe	powershell.exe
PID 2876 wrote to memory of 3168	2876	cmd.exe	powershell.exe
PID 4604 wrote to memory of 888	4604	Purchase order.exe	extrac32.exe
PID 4604 wrote to memory of 888	4604	Purchase order.exe	extrac32.exe
PID 4604 wrote to memory of 888	4604	Purchase order.exe	extrac32.exe
PID 4604 wrote to memory of 3840	4604	Purchase order.exe	Purchase order.exe
PID 4604 wrote to memory of 3840	4604	Purchase order.exe	Purchase order.exe
PID 4604 wrote to memory of 3840	4604	Purchase order.exe	Purchase order.exe
PID 4604 wrote to memory of 3988	4604	Purchase order.exe	Purchase order.exe
PID 4604 wrote to memory of 3988	4604	Purchase order.exe	Purchase order.exe
PID 4604 wrote to memory of 3988	4604	Purchase order.exe	Purchase order.exe
PID 4604 wrote to memory of 3368	4604	Purchase order.exe	Purchase order.exe
PID 4604 wrote to memory of 3368	4604	Purchase order.exe	Purchase order.exe
PID 4604 wrote to memory of 3368	4604	Purchase order.exe	Purchase order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4604

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows "
2⤵
PID:2336

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows \System32"
2⤵
PID:1372

C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows \System32\1112927.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4996

C:\Windows \System32\1112927.exe
"C:\Windows \System32\1112927.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1328

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:2080

C:\Windows\system32\cmd.exe
cmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
5⤵
- Suspicious use of WriteProcessMemory
PID:2876

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3168

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Purchase order.exe C:\\Users\\Public\\Libraries\\Hmzvinyr.PIF
2⤵
PID:888

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe" /stext "C:\Users\Admin\AppData\Local\Temp\eutebtycvqfwxmyxas"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3840

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe" /stext "C:\Users\Admin\AppData\Local\Temp\pogocmivjyxbzsubkcyctz"
2⤵
- Accesses Microsoft Outlook accounts
PID:3988

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe" /stext "C:\Users\Admin\AppData\Local\Temp\zqmhcetxxgpojgjfbnsvwmmbn"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3368

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3wo5nf5p.a20.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\eutebtycvqfwxmyxas
Filesize
4KB

MD5
1be00116b3b4ab27e31b6c0193cca4b3

SHA1
9cd8b21573014b9255004a65a497fd3c7e31faec

SHA256
08293be277a95b17991cb7d2b1000a04777b5000a13950da9274e176c7b17f7a

SHA512
869cb03b8f04d4f06170ddaa74c12f90998548a2b712bed0bc3ce9a2bdfbc3d7b5eba26bbf64d87777d753a09d076b41263d30cf43b56200c3aa3b779aeb3e3a

Download Submit
C:\Windows \System32\1112927.exe
Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\netutils.dll
Filesize
112KB

MD5
8541304aadba4ae8620bb2699f6e0437

SHA1
e0b28a6ecd32d3789433217364c1006de9892df8

SHA256
50573c81e5773c13a5411e8446d7fb17956865675782239818f7affd40a2fecb

SHA512
c18b1233c138229705242e1cdc00970e45e414d8da9c643b1196ec9de261ae18076e22bed6fcc48c07d1f0e851469db9147f083f3c3c76a26b75994419392455

Download Submit
C:\windows \system32\KDECO.bat
Filesize
11KB

MD5
c545650595b479c81ad6b9d8882aae39

SHA1
7a98aa2e6eee23b3c1bba876955d525bc618b3f0

SHA256
a3a80983cb33159f0455fa0135789402558baa1460db94d0071318512b8cb5f9

SHA512
85ac596a7da9072a28c4178e4fdedc98f1b49c8e3fe5612cfe464833297b13f65d2dc59b52d7fc9970cff8f98d954111229aec0ed9dded454e03b0cf4ebb6ff3

Download Submit
memory/1328-15-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/3168-18-0x00000238FF970000-0x00000238FF992000-memory.dmp

Filesize
136KB

Download
memory/3168-28-0x00007FFB41530000-0x00007FFB41FF1000-memory.dmp

Filesize
10.8MB

Download
memory/3168-30-0x00000238FF7C0000-0x00000238FF7D0000-memory.dmp

Filesize
64KB

Download
memory/3168-29-0x00000238FF7C0000-0x00000238FF7D0000-memory.dmp

Filesize
64KB

Download
memory/3168-33-0x00007FFB41530000-0x00007FFB41FF1000-memory.dmp

Filesize
10.8MB

Download
memory/3368-61-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3368-52-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3368-70-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3368-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3368-67-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/3368-58-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3840-54-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3840-72-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3840-59-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3840-49-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3988-51-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3988-68-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3988-56-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3988-60-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4604-0-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/4604-1-0x0000000002AD0000-0x0000000003AD0000-memory.dmp

Filesize
16.0MB

Download
memory/4604-40-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-48-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-38-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-46-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-37-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-36-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-4-0x0000000000400000-0x00000000005AF000-memory.dmp

Filesize
1.7MB

Download
memory/4604-45-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-44-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-2-0x0000000002AD0000-0x0000000003AD0000-memory.dmp

Filesize
16.0MB

Download
memory/4604-43-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-41-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-75-0x0000000033B40000-0x0000000033B59000-memory.dmp

Filesize
100KB

Download
memory/4604-79-0x0000000033B40000-0x0000000033B59000-memory.dmp

Filesize
100KB

Download
memory/4604-78-0x0000000033B40000-0x0000000033B59000-memory.dmp

Filesize
100KB

Download
memory/4604-80-0x0000000033B40000-0x0000000033B59000-memory.dmp

Filesize
100KB

Download
memory/4604-82-0x0000000033B40000-0x0000000033B59000-memory.dmp

Filesize
100KB

Download
memory/4604-81-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-84-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-85-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-89-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-90-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-94-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-95-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-99-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download
memory/4604-100-0x0000000015430000-0x0000000016430000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads