modiloader | cd3fc3c2f568078a39ef90d27ef4d5d05802320453bfd4f26f18660ff737b60d

General

Target

Quotation 20241604.exe
Size

1.1MB
MD5

796760cabed4c643ed34db0d822178bc
SHA1

56c25e1bb87fc846df47a5c2e600505005ba45c5
SHA256

adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d
SHA512

94fe964e6b539ef90337d14bbb335c076c244c0719fbd1dc7ba611b1456ba3327832f1792f67b971aaaf0530eaa99309e93b53170465cb0c00d67e8557126cf3
SSDEEP

24576:0JIq+wADGZYx4t/yVrQ9JO85sfip46OV/b7Dnjv:eNAXCSfs8V/b7bjv

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:47212

officerem.duckdns.org:47212

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-I8N3XG
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

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 17 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2272-49-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-51-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-52-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-53-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-55-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-56-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-57-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-58-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-59-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-71-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-72-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-82-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-83-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-93-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-94-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-104-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2272-105-0x00000000164B0000-0x00000000174B0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2272-2-0x0000000003A00000-0x0000000004A00000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

easinvoker.exealpha.exe

pid process

1924 easinvoker.exe
4412 alpha.exe
Loads dropped DLL 1 IoCs

Processes:

easinvoker.exe

pid process

1924 easinvoker.exe

pid	process
1924	easinvoker.exe
4412	alpha.exe

pid	process
1924	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Quotation 20241604.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ejtitysq = "C:\\Users\\Public\\Ejtitysq.url"	Quotation 20241604.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

xcopy.exexcopy.exexcopy.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe

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

Processes:

description flow ioc

HTTP User-Agent header 30 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

3372 powershell.exe
3372 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3372 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Quotation 20241604.exe

pid process

2272 Quotation 20241604.exe

description	flow	ioc
HTTP User-Agent header	30	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
3372	powershell.exe
3372	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3372	powershell.exe

pid	process
2272	Quotation 20241604.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

Quotation 20241604.execmd.exeeasinvoker.execmd.exealpha.exe

description	pid	process	target process
PID 2272 wrote to memory of 4836	2272	Quotation 20241604.exe	cmd.exe
PID 2272 wrote to memory of 4836	2272	Quotation 20241604.exe	cmd.exe
PID 2272 wrote to memory of 4836	2272	Quotation 20241604.exe	cmd.exe
PID 4836 wrote to memory of 4376	4836	cmd.exe	cmd.exe
PID 4836 wrote to memory of 4376	4836	cmd.exe	cmd.exe
PID 4836 wrote to memory of 4376	4836	cmd.exe	cmd.exe
PID 4836 wrote to memory of 3032	4836	cmd.exe	xcopy.exe
PID 4836 wrote to memory of 3032	4836	cmd.exe	xcopy.exe
PID 4836 wrote to memory of 3032	4836	cmd.exe	xcopy.exe
PID 4836 wrote to memory of 2456	4836	cmd.exe	cmd.exe
PID 4836 wrote to memory of 2456	4836	cmd.exe	cmd.exe
PID 4836 wrote to memory of 2456	4836	cmd.exe	cmd.exe
PID 4836 wrote to memory of 1904	4836	cmd.exe	xcopy.exe
PID 4836 wrote to memory of 1904	4836	cmd.exe	xcopy.exe
PID 4836 wrote to memory of 1904	4836	cmd.exe	xcopy.exe
PID 4836 wrote to memory of 3224	4836	cmd.exe	cmd.exe
PID 4836 wrote to memory of 3224	4836	cmd.exe	cmd.exe
PID 4836 wrote to memory of 3224	4836	cmd.exe	cmd.exe
PID 4836 wrote to memory of 2356	4836	cmd.exe	xcopy.exe
PID 4836 wrote to memory of 2356	4836	cmd.exe	xcopy.exe
PID 4836 wrote to memory of 2356	4836	cmd.exe	xcopy.exe
PID 4836 wrote to memory of 1924	4836	cmd.exe	easinvoker.exe
PID 4836 wrote to memory of 1924	4836	cmd.exe	easinvoker.exe
PID 1924 wrote to memory of 640	1924	easinvoker.exe	cmd.exe
PID 1924 wrote to memory of 640	1924	easinvoker.exe	cmd.exe
PID 640 wrote to memory of 3284	640	cmd.exe	extrac32.exe
PID 640 wrote to memory of 3284	640	cmd.exe	extrac32.exe
PID 640 wrote to memory of 4412	640	cmd.exe	alpha.exe
PID 640 wrote to memory of 4412	640	cmd.exe	alpha.exe
PID 4412 wrote to memory of 3372	4412	alpha.exe	powershell.exe
PID 4412 wrote to memory of 3372	4412	alpha.exe	powershell.exe
PID 2272 wrote to memory of 2036	2272	Quotation 20241604.exe	extrac32.exe
PID 2272 wrote to memory of 2036	2272	Quotation 20241604.exe	extrac32.exe
PID 2272 wrote to memory of 2036	2272	Quotation 20241604.exe	extrac32.exe

C:\Users\Admin\AppData\Local\Temp\Quotation 20241604.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation 20241604.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2272

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\EjtitysqO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:4836

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:4376

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:3032

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:2456

C:\Windows\SysWOW64\xcopy.exe
xcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:1904

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:3224

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:2356

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1924

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\System32\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe
5⤵
PID:3284

C:\Users\Public\alpha.exe
C:\\Users\\Public\\alpha /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4412

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:3372

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Quotation 20241604.exe C:\\Users\\Public\\Libraries\\Ejtitysq.PIF
2⤵
PID:2036

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

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

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

MD5
fbf651ee2aefbe1f8a5f1b3526f9ceac

SHA1
17e2e1b1e5830d4c8297c863528d4784317df80e

SHA256
5628784a3ce5fa8fef2c39e248fd12f4c413c431046c532c49828fefa25784c0

SHA512
ac2f030b2d3dd187b160e9a76cba9a3f56cab81863e7b26af7d69271920f3412d03e62103e3fa89b3c996ed7a66f308ebf91fda96fcd3f8254704d194bd3b233

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vqwptxbd.zfk.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Libraries\EjtitysqO.bat
Filesize
29KB

MD5
828ffbf60677999579dafe4bf3919c63

SHA1
a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc

SHA256
abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d

SHA512
bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e

Download Submit
C:\Users\Public\Libraries\aaa.bat
Filesize
3KB

MD5
71e46efe9932b83b397b44052513fb49

SHA1
741af3b8c31095a0cc2c39c41e62279684913205

SHA256
11c20fabf677cd77e8a354b520f6ffca09cac37ce15c9932550e749e49efe08a

SHA512
76da3b441c0eaaaabdd4d21b0a3d4aa7fd49d73a5f0dab2cfb39f2e114efe4f4dabe2d46b01b66d810d6e0efa97676599ece5c213c1a69a5f2f4897a9b4ac8da

Download Submit
C:\Users\Public\Libraries\easinvoker.exe
Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Users\Public\Libraries\netutils.dll
Filesize
114KB

MD5
566b326055c3ed8e2028aa1e2c1054d0

SHA1
c25fa6d6369c083526cafcf45b5f554635afe218

SHA256
a692d4305b95e57e2cfc871d53a41a5bfc9e306cb1a86ca1159db4f469598714

SHA512
da4b0b45d47757b69f9abc1817d3cb3c85deb08658e55f07b016fba053efe541a5791b9b2b380c25b440bbae6916c5a2245261553ca3c5025d9d55c943f9823c

Download Submit
C:\Users\Public\alpha.exe
Filesize
283KB

MD5
8a2122e8162dbef04694b9c3e0b6cdee

SHA1
f1efb0fddc156e4c61c5f78a54700e4e7984d55d

SHA256
b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450

SHA512
99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397

Download Submit
memory/1924-23-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/2272-49-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-71-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-105-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-2-0x0000000003A00000-0x0000000004A00000-memory.dmp

Filesize
16.0MB

Download
memory/2272-104-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-94-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-93-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-83-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-0-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/2272-51-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-52-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-53-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-55-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-56-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-57-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-58-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-59-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-63-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/2272-1-0x0000000003A00000-0x0000000004A00000-memory.dmp

Filesize
16.0MB

Download
memory/2272-30-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2272-72-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/2272-82-0x00000000164B0000-0x00000000174B0000-memory.dmp

Filesize
16.0MB

Download
memory/3372-46-0x00007FF9CBC50000-0x00007FF9CC711000-memory.dmp

Filesize
10.8MB

Download
memory/3372-43-0x000002266DEF0000-0x000002266DF00000-memory.dmp

Filesize
64KB

Download
memory/3372-42-0x000002266DEF0000-0x000002266DF00000-memory.dmp

Filesize
64KB

Download
memory/3372-41-0x00007FF9CBC50000-0x00007FF9CC711000-memory.dmp

Filesize
10.8MB

Download
memory/3372-36-0x000002266DE30000-0x000002266DE52000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads