modiloader | f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63

General

Target

0028BGL880-2024.PDF.exe
Size

1.6MB
MD5

eac95a52ac634d3ea75387201a2c749c
SHA1

e808ef56d1b382b1e01e16af299a548cb038f52c
SHA256

f7f1798e3d66880f2cb35f6764a1c32902abb3ce7ceafe0bc049496ca9161e63
SHA512

6ae5883a1cb8aaa42abc0c8bbfeba2715086ec39ad2028937600b2c925b3093070a72531e4e5abf2d4dafb00bcbab8c2fd5f97aae590dd87645befc27701d346
SSDEEP

49152:ay6imwGhfj4GBT2z95Zw/L+gwnzFnwyuPTh:azimw4f8iSuD+g

Score

10^/10

modiloader remcos remotehost collection persistence rat spyware stealer trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:45671

127.0.0.1:55677

192.3.101.8:55677

192.3.101.8:45671

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-2P1XPK
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/2748-2-0x0000000002B10000-0x0000000003B10000-memory.dmp	modiloader_stage2

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/3944-67-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/3944-73-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/2460-63-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2460-72-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2460-81-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2460-63-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/3944-67-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2460-72-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2816-75-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2816-77-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3944-73-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/2816-71-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2460-81-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Executes dropped EXE 1 IoCs

Processes:

1341595.exe

pid process

1736 1341595.exe
Loads dropped DLL 1 IoCs

Processes:

1341595.exe

pid process

1736 1341595.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
1736	1341595.exe

pid	process
1736	1341595.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

0028BGL880-2024.PDF.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	0028BGL880-2024.PDF.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0028BGL880-2024.PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dkesuvii = "C:\\Users\\Public\\Dkesuvii.url"	0028BGL880-2024.PDF.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

0028BGL880-2024.PDF.exe

description	pid	process	target process
PID 2748 set thread context of 2460	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 set thread context of 3944	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 set thread context of 2816	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.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.exe0028BGL880-2024.PDF.exe0028BGL880-2024.PDF.exe

pid	process
812	powershell.exe
812	powershell.exe
2460	0028BGL880-2024.PDF.exe
2460	0028BGL880-2024.PDF.exe
2816	0028BGL880-2024.PDF.exe
2816	0028BGL880-2024.PDF.exe
2460	0028BGL880-2024.PDF.exe
2460	0028BGL880-2024.PDF.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

0028BGL880-2024.PDF.exe

pid process

2748 0028BGL880-2024.PDF.exe
2748 0028BGL880-2024.PDF.exe
2748 0028BGL880-2024.PDF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exe0028BGL880-2024.PDF.exe

description pid process

Token: SeDebugPrivilege 812 powershell.exe
Token: SeDebugPrivilege 2816 0028BGL880-2024.PDF.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

0028BGL880-2024.PDF.exe

pid process

2748 0028BGL880-2024.PDF.exe

pid	process
2748	0028BGL880-2024.PDF.exe
2748	0028BGL880-2024.PDF.exe
2748	0028BGL880-2024.PDF.exe

description	pid	process
Token: SeDebugPrivilege	812	powershell.exe
Token: SeDebugPrivilege	2816	0028BGL880-2024.PDF.exe

pid	process
2748	0028BGL880-2024.PDF.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

0028BGL880-2024.PDF.execmd.exe1341595.execmd.execmd.exe

description	pid	process	target process
PID 2748 wrote to memory of 5060	2748	0028BGL880-2024.PDF.exe	cmd.exe
PID 2748 wrote to memory of 5060	2748	0028BGL880-2024.PDF.exe	cmd.exe
PID 2748 wrote to memory of 5060	2748	0028BGL880-2024.PDF.exe	cmd.exe
PID 2748 wrote to memory of 2180	2748	0028BGL880-2024.PDF.exe	cmd.exe
PID 2748 wrote to memory of 2180	2748	0028BGL880-2024.PDF.exe	cmd.exe
PID 2748 wrote to memory of 2180	2748	0028BGL880-2024.PDF.exe	cmd.exe
PID 2748 wrote to memory of 2632	2748	0028BGL880-2024.PDF.exe	cmd.exe
PID 2748 wrote to memory of 2632	2748	0028BGL880-2024.PDF.exe	cmd.exe
PID 2748 wrote to memory of 2632	2748	0028BGL880-2024.PDF.exe	cmd.exe
PID 2632 wrote to memory of 1736	2632	cmd.exe	1341595.exe
PID 2632 wrote to memory of 1736	2632	cmd.exe	1341595.exe
PID 1736 wrote to memory of 3168	1736	1341595.exe	cmd.exe
PID 1736 wrote to memory of 3168	1736	1341595.exe	cmd.exe
PID 3168 wrote to memory of 1228	3168	cmd.exe	cmd.exe
PID 3168 wrote to memory of 1228	3168	cmd.exe	cmd.exe
PID 1228 wrote to memory of 812	1228	cmd.exe	powershell.exe
PID 1228 wrote to memory of 812	1228	cmd.exe	powershell.exe
PID 2748 wrote to memory of 1296	2748	0028BGL880-2024.PDF.exe	extrac32.exe
PID 2748 wrote to memory of 1296	2748	0028BGL880-2024.PDF.exe	extrac32.exe
PID 2748 wrote to memory of 1296	2748	0028BGL880-2024.PDF.exe	extrac32.exe
PID 2748 wrote to memory of 2460	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 wrote to memory of 2460	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 wrote to memory of 2460	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 wrote to memory of 3944	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 wrote to memory of 3944	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 wrote to memory of 3944	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 wrote to memory of 2816	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 wrote to memory of 2816	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe
PID 2748 wrote to memory of 2816	2748	0028BGL880-2024.PDF.exe	0028BGL880-2024.PDF.exe

C:\Users\Admin\AppData\Local\Temp\0028BGL880-2024.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\0028BGL880-2024.PDF.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2748

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows "
2⤵
PID:5060

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows \System32"
2⤵
PID:2180

C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows \System32\1341595.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows \System32\1341595.exe
"C:\Windows \System32\1341595.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:3168

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:1228

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:812

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\0028BGL880-2024.PDF.exe C:\\Users\\Public\\Libraries\\Dkesuvii.PIF
2⤵
PID:1296

C:\Users\Admin\AppData\Local\Temp\0028BGL880-2024.PDF.exe
C:\Users\Admin\AppData\Local\Temp\0028BGL880-2024.PDF.exe /stext "C:\Users\Admin\AppData\Local\Temp\ywcspivefzyuqzfzrjgashtnurlsdaqzr"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2460

C:\Users\Admin\AppData\Local\Temp\0028BGL880-2024.PDF.exe
C:\Users\Admin\AppData\Local\Temp\0028BGL880-2024.PDF.exe /stext "C:\Users\Admin\AppData\Local\Temp\aqhkq"
2⤵
- Accesses Microsoft Outlook accounts
PID:3944

C:\Users\Admin\AppData\Local\Temp\0028BGL880-2024.PDF.exe
C:\Users\Admin\AppData\Local\Temp\0028BGL880-2024.PDF.exe /stext "C:\Users\Admin\AppData\Local\Temp\lsmvilyz"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2816

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

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
c70b1c00ce50f34fb9b6e5a0c3052e37

SHA1
d802e3e5653d008e2b642dd731aacb4a0e8b2b9d

SHA256
2a74ebc0b86d6aa3d0741c63925ab01fea482ab4585882a964c61782d8da5c44

SHA512
3ade97169e2239ec9fd23dd137a9eded86f9f69d3170cfa7dd78e26785bf0eb433cd5fe34e41585ef11b9bb3557007133970f67292db205254d6d0cc9a7d2d3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cqfbho2t.1za.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

MD5
63a3d218b0d233efc9806729feba705a

SHA1
3cda6c59e0b8115d8538c8ff0d94a49294d516ac

SHA256
66ceb453b5931baa8d942d514cc1dcc41a24ab59313c0621daa9920bd0566bfd

SHA512
d0cfb106b57a4e90523c194d073a131bc65461d8e792b0be51aef89aa413dded53c2aba723fc677f68b1211411a0e105b5771cafa045d3e11d54db578577b683

Download Submit
C:\Windows \System32\1341595.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/812-17-0x0000020854550000-0x0000020854572000-memory.dmp

Filesize
136KB

Download
memory/812-27-0x00007FFC1D190000-0x00007FFC1DC51000-memory.dmp

Filesize
10.8MB

Download
memory/812-28-0x0000020839DA0000-0x0000020839DB0000-memory.dmp

Filesize
64KB

Download
memory/812-29-0x0000020839DA0000-0x0000020839DB0000-memory.dmp

Filesize
64KB

Download
memory/812-32-0x00007FFC1D190000-0x00007FFC1DC51000-memory.dmp

Filesize
10.8MB

Download
memory/1736-15-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/2460-53-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2460-81-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2460-72-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2460-63-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2460-60-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2748-87-0x000000002E090000-0x000000002E0A9000-memory.dmp

Filesize
100KB

Download
memory/2748-93-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-46-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-49-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-50-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-51-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-52-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-43-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-132-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-42-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-41-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-131-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-121-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-39-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-120-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-110-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-109-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-102-0x000000002E090000-0x000000002E0A9000-memory.dmp

Filesize
100KB

Download
memory/2748-1-0x0000000002B10000-0x0000000003B10000-memory.dmp

Filesize
16.0MB

Download
memory/2748-98-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-4-0x0000000000400000-0x00000000005AF000-memory.dmp

Filesize
1.7MB

Download
memory/2748-2-0x0000000002B10000-0x0000000003B10000-memory.dmp

Filesize
16.0MB

Download
memory/2748-84-0x000000002E090000-0x000000002E0A9000-memory.dmp

Filesize
100KB

Download
memory/2748-88-0x000000002E090000-0x000000002E0A9000-memory.dmp

Filesize
100KB

Download
memory/2748-89-0x000000002E090000-0x000000002E0A9000-memory.dmp

Filesize
100KB

Download
memory/2748-0-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/2748-90-0x000000002E090000-0x000000002E0A9000-memory.dmp

Filesize
100KB

Download
memory/2748-91-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-44-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2748-97-0x00000000153F0000-0x00000000163F0000-memory.dmp

Filesize
16.0MB

Download
memory/2816-59-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2816-66-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2816-71-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2816-77-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2816-75-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3944-73-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3944-67-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3944-62-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3944-54-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads