modiloader | 7e82cf496170e81178aa01bb117531aaf096b2ee9797e5d82e6e141ad550c0ef

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07/02/2023, 09:41

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General

Target

Shipment_document_february_pdf_63554.exe
Size

992KB
MD5

d6aca3d22ac46801fb0f146baaed6abc
SHA1

6bec8e4bead72dbcd8b5f0b0a3bbadb1251dd458
SHA256

7e82cf496170e81178aa01bb117531aaf096b2ee9797e5d82e6e141ad550c0ef
SHA512

578696223d6f94e2b61636882245353c42a08d9edd045531e2e8e081d48601ed2c8bde513984e6781ea3dff4f0a0c1987039d7c5e4b25be58def3cbd1032e824
SSDEEP

24576:87Je3RHKC7+5fxxViZhPYpnSZqAEuoLI9:8sqvCASkAEuoLM

Score

10^/10

modiloader remcos server43 persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

server43

windowsupdatenew.duckdns.org:49156

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-OYGBWO
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

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

resource	yara_rule
behavioral2/memory/388-132-0x0000000002450000-0x000000000247C000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
4148	easinvoker.exe
3988	taqzlfiC.pif

Loads dropped DLL 1 IoCs

pid	Process
4148	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ciflzqat = "C:\\Users\\Public\\Libraries\\taqzlfiC.url"	Shipment_document_february_pdf_63554.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
712	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
976	powershell.exe
976	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	976	powershell.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 396	388	Shipment_document_february_pdf_63554.exe	86
PID 388 wrote to memory of 396	388	Shipment_document_february_pdf_63554.exe	86
PID 388 wrote to memory of 396	388	Shipment_document_february_pdf_63554.exe	86
PID 396 wrote to memory of 856	396	cmd.exe	88
PID 396 wrote to memory of 856	396	cmd.exe	88
PID 396 wrote to memory of 856	396	cmd.exe	88
PID 396 wrote to memory of 3464	396	cmd.exe	89
PID 396 wrote to memory of 3464	396	cmd.exe	89
PID 396 wrote to memory of 3464	396	cmd.exe	89
PID 396 wrote to memory of 3764	396	cmd.exe	90
PID 396 wrote to memory of 3764	396	cmd.exe	90
PID 396 wrote to memory of 3764	396	cmd.exe	90
PID 396 wrote to memory of 860	396	cmd.exe	91
PID 396 wrote to memory of 860	396	cmd.exe	91
PID 396 wrote to memory of 860	396	cmd.exe	91
PID 396 wrote to memory of 224	396	cmd.exe	92
PID 396 wrote to memory of 224	396	cmd.exe	92
PID 396 wrote to memory of 224	396	cmd.exe	92
PID 396 wrote to memory of 1804	396	cmd.exe	93
PID 396 wrote to memory of 1804	396	cmd.exe	93
PID 396 wrote to memory of 1804	396	cmd.exe	93
PID 396 wrote to memory of 4148	396	cmd.exe	94
PID 396 wrote to memory of 4148	396	cmd.exe	94
PID 4148 wrote to memory of 4780	4148	easinvoker.exe	95
PID 4148 wrote to memory of 4780	4148	easinvoker.exe	95
PID 396 wrote to memory of 712	396	cmd.exe	97
PID 396 wrote to memory of 712	396	cmd.exe	97
PID 396 wrote to memory of 712	396	cmd.exe	97
PID 4780 wrote to memory of 976	4780	cmd.exe	98
PID 4780 wrote to memory of 976	4780	cmd.exe	98
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100
PID 388 wrote to memory of 3988	388	Shipment_document_february_pdf_63554.exe	100

C:\Users\Admin\AppData\Local\Temp\Shipment_document_february_pdf_63554.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment_document_february_pdf_63554.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:388
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\CiflzqatO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:396
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:856
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3464
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:3764
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:860
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:224
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:1804
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4148
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4780
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:976
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:712
- C:\Users\Public\Libraries\taqzlfiC.pif
  C:\Users\Public\Libraries\taqzlfiC.pif
  2⤵
  - Executes dropped EXE
  PID:3988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\Libraries\CiflzqatO.bat

Filesize
411B

MD5
55aba243e88f6a6813c117ffe1fa5979

SHA1
210b9b028a4b798c837a182321dbf2e50d112816

SHA256
5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

SHA512
68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

Download Submit
C:\Users\Public\Libraries\KDECO.bat

Filesize
155B

MD5
213c60adf1c9ef88dc3c9b2d579959d2

SHA1
e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

SHA256
37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

SHA512
fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

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
110KB

MD5
b375e74a145c45d07190212e9157e5f8

SHA1
59d3de7748e1090ce95523601224ce5ab6cc4a3a

SHA256
6ec341496722bfdde504d430a7ece494701a9369b1fa5376ec488a77ab3c1744

SHA512
859737afb6108f131c0ac35560878359505c4f7fdd01ce468c04b15848df71f70987552a831a43ce948a37c9b1d6a434ff7f6fb5946f3730049b924d5b462ef0

Download Submit
C:\Users\Public\Libraries\taqzlfiC.pif

Filesize
66KB

MD5
c116d3604ceafe7057d77ff27552c215

SHA1
452b14432fb5758b46f2897aeccd89f7c82a727d

SHA256
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

SHA512
9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

Download Submit
C:\Users\Public\Libraries\taqzlfiC.pif

Filesize
66KB

MD5
c116d3604ceafe7057d77ff27552c215

SHA1
452b14432fb5758b46f2897aeccd89f7c82a727d

SHA256
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301

SHA512
9202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6

Download Submit
C:\Windows \System32\easinvoker.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\easinvoker.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\netutils.dll

Filesize
110KB

MD5
b375e74a145c45d07190212e9157e5f8

SHA1
59d3de7748e1090ce95523601224ce5ab6cc4a3a

SHA256
6ec341496722bfdde504d430a7ece494701a9369b1fa5376ec488a77ab3c1744

SHA512
859737afb6108f131c0ac35560878359505c4f7fdd01ce468c04b15848df71f70987552a831a43ce948a37c9b1d6a434ff7f6fb5946f3730049b924d5b462ef0

Download Submit
C:\Windows \System32\netutils.dll

Filesize
110KB

MD5
b375e74a145c45d07190212e9157e5f8

SHA1
59d3de7748e1090ce95523601224ce5ab6cc4a3a

SHA256
6ec341496722bfdde504d430a7ece494701a9369b1fa5376ec488a77ab3c1744

SHA512
859737afb6108f131c0ac35560878359505c4f7fdd01ce468c04b15848df71f70987552a831a43ce948a37c9b1d6a434ff7f6fb5946f3730049b924d5b462ef0

Download Submit
C:\windows \system32\KDECO.bat

Filesize
155B

MD5
213c60adf1c9ef88dc3c9b2d579959d2

SHA1
e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

SHA256
37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

SHA512
fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

Download Submit
memory/388-132-0x0000000002450000-0x000000000247C000-memory.dmp

Filesize
176KB

Download
memory/388-157-0x0000000010590000-0x0000000010613000-memory.dmp

Filesize
524KB

Download
memory/388-161-0x0000000010590000-0x0000000010613000-memory.dmp

Filesize
524KB

Download
memory/976-154-0x0000018CEC5E0000-0x0000018CEC602000-memory.dmp

Filesize
136KB

Download
memory/976-155-0x00007FFE185F0000-0x00007FFE190B1000-memory.dmp

Filesize
10.8MB

Download
memory/976-156-0x00007FFE185F0000-0x00007FFE190B1000-memory.dmp

Filesize
10.8MB

Download
memory/3988-162-0x0000000010590000-0x0000000010613000-memory.dmp

Filesize
524KB

Download
memory/3988-163-0x0000000000630000-0x00000000006B0000-memory.dmp

Filesize
512KB

Download
memory/3988-164-0x0000000000630000-0x00000000006B0000-memory.dmp

Filesize
512KB

Download