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
behavioral1/memory/2092-91-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-93-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-94-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-95-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-97-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-98-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-99-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-100-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-101-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-110-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-111-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-121-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-122-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-131-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-132-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-141-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/2092-142-0x0000000015A10000-0x0000000016A10000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2092-2-0x0000000002C90000-0x0000000003C90000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

easinvoker.exeeasinvoker.exe

pid process

2376 easinvoker.exe
1156 easinvoker.exe

pid	process
2376	easinvoker.exe
1156	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-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ejtitysq = "C:\\Users\\Public\\Ejtitysq.url"	Quotation 20241604.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Quotation 20241604.exe

pid process

2092 Quotation 20241604.exe

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2092	Quotation 20241604.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

Quotation 20241604.execmd.exe

description	pid	process	target process
PID 2092 wrote to memory of 2392	2092	Quotation 20241604.exe	cmd.exe
PID 2092 wrote to memory of 2392	2092	Quotation 20241604.exe	cmd.exe
PID 2092 wrote to memory of 2392	2092	Quotation 20241604.exe	cmd.exe
PID 2092 wrote to memory of 2392	2092	Quotation 20241604.exe	cmd.exe
PID 2392 wrote to memory of 2460	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2460	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2460	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2460	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2472	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2472	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2472	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2472	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2904	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2904	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2904	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2904	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2936	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2936	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2936	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2936	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2116	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2116	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2116	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2116	2392	cmd.exe	cmd.exe
PID 2392 wrote to memory of 2296	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2296	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2296	2392	cmd.exe	xcopy.exe
PID 2392 wrote to memory of 2296	2392	cmd.exe	xcopy.exe
PID 2092 wrote to memory of 2732	2092	Quotation 20241604.exe	extrac32.exe
PID 2092 wrote to memory of 2732	2092	Quotation 20241604.exe	extrac32.exe
PID 2092 wrote to memory of 2732	2092	Quotation 20241604.exe	extrac32.exe
PID 2092 wrote to memory of 2732	2092	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:2092

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\Libraries\EjtitysqO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:2392

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:2460

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:2472

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:2904

C:\Windows\SysWOW64\xcopy.exe
xcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:2936

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:2116

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:2296

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
PID:2376

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
PID:1156

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:2732

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

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

MD5
d4ec52bff855a766d342d2f8cac8f2e3

SHA1
023db078304b83c71300cf56b23f49d051e4e26f

SHA256
70d7e40a0f035b4f7aa852b690814f2b0bd08d81979084e94577ac5c7b721ff9

SHA512
9c471e80a11c3523bd1fddd1cdebe844f1724736ccca7a1bfb7a7b1aad70e41bfb6e925b63f955f6dccc45e29c60c7fe282b6fff3ae48a71878735b40e5c1394

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8D87.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

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
memory/2092-94-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-99-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-4-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2092-2-0x0000000002C90000-0x0000000003C90000-memory.dmp

Filesize
16.0MB

Download
memory/2092-142-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-91-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-93-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2092-95-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-97-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-98-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-5-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2092-100-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-101-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-110-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-1-0x0000000002C90000-0x0000000003C90000-memory.dmp

Filesize
16.0MB

Download
memory/2092-111-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-121-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-122-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-131-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-132-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2092-141-0x0000000015A10000-0x0000000016A10000-memory.dmp

Filesize
16.0MB

Download
memory/2392-81-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads