modiloader | cee4452ab6a5bcc249c44e59f380867416c3e783ab1778707f0538500f337725

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 02:45

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General

Target

Contact Form and Delivery Details ,pdf.cmd
Size

5.2MB
MD5

dae81f363f99949156f1c31c9dd6480e
SHA1

2ffe41540931d2a0b900cbd6c2eb647ff423e0e1
SHA256

0add1ad58198be03778337643872e63eae3e9d241dd0d53d46d6520e171160de
SHA512

124d854598ef002270a94553c0c14d61046b14a3c67feb2a6277e412705bb1f1900bd7b9c3db3ecd9b3572d52a0016939d191c2c8b3f7504e5e9e362893cf1f9
SSDEEP

49152:+mcXgXK1tns5RIWsiDvcZPKnZLrKFVrrz1Xqr+LM9mfFhCA:K

Score

10^/10

modiloader discovery trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/2576-34-0x0000000002A40000-0x0000000003A40000-memory.dmp	modiloader_stage2

Executes dropped EXE 17 IoCs

pid	Process
3060	alpha.exe
2716	alpha.exe
2676	kn.exe
2588	alpha.exe
2464	kn.exe
2576	spoolsv.COM
2492	alpha.exe
2912	alpha.exe
2800	alpha.pif
2908	alpha.pif
2892	alpha.pif
2972	xpha.pif
1628	per.exe
2204	per.exe
1924	alpha.pif
712	alpha.pif
396	alpha.pif

Loads dropped DLL 9 IoCs

pid	Process
2080	cmd.exe
2080	cmd.exe
2716	alpha.exe
2080	cmd.exe
2588	alpha.exe
2080	cmd.exe
2080	cmd.exe
1296	cmd.exe
2892	alpha.pif

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	drive.google.com
4	drive.google.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.COM
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SndVol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
884	esentutl.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2576	spoolsv.COM

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2576	spoolsv.COM
2068	SndVol.exe
2068	SndVol.exe
2068	SndVol.exe
2068	SndVol.exe
2068	SndVol.exe
2068	SndVol.exe
2068	SndVol.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2068	SndVol.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2068	SndVol.exe
2068	SndVol.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2148	2080	cmd.exe	29
PID 2080 wrote to memory of 2148	2080	cmd.exe	29
PID 2080 wrote to memory of 2148	2080	cmd.exe	29
PID 2080 wrote to memory of 3060	2080	cmd.exe	30
PID 2080 wrote to memory of 3060	2080	cmd.exe	30
PID 2080 wrote to memory of 3060	2080	cmd.exe	30
PID 3060 wrote to memory of 2684	3060	alpha.exe	31
PID 3060 wrote to memory of 2684	3060	alpha.exe	31
PID 3060 wrote to memory of 2684	3060	alpha.exe	31
PID 2080 wrote to memory of 2716	2080	cmd.exe	32
PID 2080 wrote to memory of 2716	2080	cmd.exe	32
PID 2080 wrote to memory of 2716	2080	cmd.exe	32
PID 2716 wrote to memory of 2676	2716	alpha.exe	33
PID 2716 wrote to memory of 2676	2716	alpha.exe	33
PID 2716 wrote to memory of 2676	2716	alpha.exe	33
PID 2080 wrote to memory of 2588	2080	cmd.exe	34
PID 2080 wrote to memory of 2588	2080	cmd.exe	34
PID 2080 wrote to memory of 2588	2080	cmd.exe	34
PID 2588 wrote to memory of 2464	2588	alpha.exe	35
PID 2588 wrote to memory of 2464	2588	alpha.exe	35
PID 2588 wrote to memory of 2464	2588	alpha.exe	35
PID 2080 wrote to memory of 2576	2080	cmd.exe	36
PID 2080 wrote to memory of 2576	2080	cmd.exe	36
PID 2080 wrote to memory of 2576	2080	cmd.exe	36
PID 2080 wrote to memory of 2576	2080	cmd.exe	36
PID 2080 wrote to memory of 2492	2080	cmd.exe	37
PID 2080 wrote to memory of 2492	2080	cmd.exe	37
PID 2080 wrote to memory of 2492	2080	cmd.exe	37
PID 2080 wrote to memory of 2912	2080	cmd.exe	38
PID 2080 wrote to memory of 2912	2080	cmd.exe	38
PID 2080 wrote to memory of 2912	2080	cmd.exe	38
PID 2576 wrote to memory of 1296	2576	spoolsv.COM	39
PID 2576 wrote to memory of 1296	2576	spoolsv.COM	39
PID 2576 wrote to memory of 1296	2576	spoolsv.COM	39
PID 2576 wrote to memory of 1296	2576	spoolsv.COM	39
PID 1296 wrote to memory of 1416	1296	cmd.exe	41
PID 1296 wrote to memory of 1416	1296	cmd.exe	41
PID 1296 wrote to memory of 1416	1296	cmd.exe	41
PID 1296 wrote to memory of 1416	1296	cmd.exe	41
PID 1296 wrote to memory of 884	1296	cmd.exe	42
PID 1296 wrote to memory of 884	1296	cmd.exe	42
PID 1296 wrote to memory of 884	1296	cmd.exe	42
PID 1296 wrote to memory of 884	1296	cmd.exe	42
PID 1296 wrote to memory of 2800	1296	cmd.exe	43
PID 1296 wrote to memory of 2800	1296	cmd.exe	43
PID 1296 wrote to memory of 2800	1296	cmd.exe	43
PID 1296 wrote to memory of 2800	1296	cmd.exe	43
PID 1296 wrote to memory of 2908	1296	cmd.exe	44
PID 1296 wrote to memory of 2908	1296	cmd.exe	44
PID 1296 wrote to memory of 2908	1296	cmd.exe	44
PID 1296 wrote to memory of 2908	1296	cmd.exe	44
PID 1296 wrote to memory of 2892	1296	cmd.exe	45
PID 1296 wrote to memory of 2892	1296	cmd.exe	45
PID 1296 wrote to memory of 2892	1296	cmd.exe	45
PID 1296 wrote to memory of 2892	1296	cmd.exe	45
PID 2892 wrote to memory of 2972	2892	alpha.pif	46
PID 2892 wrote to memory of 2972	2892	alpha.pif	46
PID 2892 wrote to memory of 2972	2892	alpha.pif	46
PID 2892 wrote to memory of 2972	2892	alpha.pif	46
PID 1296 wrote to memory of 1924	1296	cmd.exe	49
PID 1296 wrote to memory of 1924	1296	cmd.exe	49
PID 1296 wrote to memory of 1924	1296	cmd.exe	49
PID 1296 wrote to memory of 1924	1296	cmd.exe	49
PID 1296 wrote to memory of 712	1296	cmd.exe	50

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Contact Form and Delivery Details ,pdf.cmd"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\System32\extrac32.exe
  C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
  2⤵
  PID:2148
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
    3⤵
    PID:2684
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\Contact Form and Delivery Details ,pdf.cmd" "C:\\Users\\Public\\spoolsv.MPEG" 3
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\Contact Form and Delivery Details ,pdf.cmd" "C:\\Users\\Public\\spoolsv.MPEG" 3
    3⤵
    - Executes dropped EXE
    PID:2676
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\spoolsv.MPEG" "C:\\Users\\Public\\Libraries\\spoolsv.COM" 10
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\spoolsv.MPEG" "C:\\Users\\Public\\Libraries\\spoolsv.COM" 10
    3⤵
    - Executes dropped EXE
    PID:2464
- C:\Users\Public\Libraries\spoolsv.COM
  C:\Users\Public\Libraries\spoolsv.COM
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2576
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Public\Libraries\buoxbwaQ.cmd" "
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1296
  - - C:\Windows\SysWOW64\esentutl.exe
      C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
      4⤵
      PID:1416
  - - C:\Windows\SysWOW64\esentutl.exe
      C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\ping.exe /d C:\\Users\\Public\\xpha.pif /o
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      PID:884
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows "
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2800
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows \SysWOW64"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2908
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2892
    - - C:\Users\Public\xpha.pif
        
        C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2972
  - - C:\Windows \SysWOW64\per.exe
      "C:\\Windows \\SysWOW64\\per.exe
      4⤵
      Executes dropped EXE
      PID:1628
  - - C:\Windows \SysWOW64\per.exe
      "C:\Windows \SysWOW64\per.exe"
      4⤵
      Executes dropped EXE
      PID:2204
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c del "C:\Users\Public\xpha.pif"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1924
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \SysWOW64
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:712
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:396
- - C:\Windows\SysWOW64\SndVol.exe
    C:\Windows\System32\SndVol.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2068
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:2492
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\spoolsv.MPEG" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:2912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\Libraries\buoxbwaQ.cmd

Filesize
60KB

MD5
b87f096cbc25570329e2bb59fee57580

SHA1
d281d1bf37b4fb46f90973afc65eece3908532b2

SHA256
d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

SHA512
72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

Download Submit
C:\Users\Public\Libraries\spoolsv.COM

Filesize
1.0MB

MD5
0e35955f135994854022ef1c58b7c988

SHA1
bac1f7fd7b8f521b0ed7699b5708690be54bd2ba

SHA256
2c56c58c67933df1634e2bacdcc95a9bd43919c655c847d26728cf4af3a3e7f5

SHA512
fe8ce8f060f67d76401620e2832dbc3db1a570d679f04ec7f5ecf43073acf52993b5c7795fe5f7caeb3f0a33feade85161f3d2a0dda286b365d0b0eb9e0fa9b5

Download Submit
C:\Users\Public\spoolsv.MPEG

Filesize
3.7MB

MD5
6870966726b7ebf72d50503ebd4dc2b6

SHA1
58866a2a3f014130ebdf03ffc24829c40b0f84f7

SHA256
3d1c5b0859c0481df28379625c08331c2d72e5abaf781255fce4e054fa94b7f6

SHA512
ca5c6551554ea73ec4c8331aede7cc0242c50380c66edde6f9ac0fbc8a2f75891f3f6e1bb19cbdbe163a5d0dff1447016ead22947a2ea665df483c2929f98859

Download Submit
C:\Windows \SysWOW64\per.exe

Filesize
94KB

MD5
869640d0a3f838694ab4dfea9e2f544d

SHA1
bdc42b280446ba53624ff23f314aadb861566832

SHA256
0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

SHA512
6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

Download Submit
\Users\Public\alpha.exe

Filesize
337KB

MD5
5746bd7e255dd6a8afa06f7c42c1ba41

SHA1
0f3c4ff28f354aede202d54e9d1c5529a3bf87d8

SHA256
db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386

SHA512
3a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e

Download Submit
\Users\Public\alpha.pif

Filesize
295KB

MD5
ad7b9c14083b52bc532fba5948342b98

SHA1
ee8cbf12d87c4d388f09b4f69bed2e91682920b5

SHA256
17f746d82695fa9b35493b41859d39d786d32b23a9d2e00f4011dec7a02402ae

SHA512
e12aad20c824187b39edb3c7943709290b5ddbf1b4032988db46f2e86da3cf7e7783f78c82e4dc5da232f666b8f9799a260a1f8e2694eb4d0cdaf78da710fde1

Download Submit
\Users\Public\kn.exe

Filesize
1.1MB

MD5
ec1fd3050dbc40ec7e87ab99c7ca0b03

SHA1
ae7fdfc29f4ef31e38ebf381e61b503038b5cb35

SHA256
1e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3

SHA512
4e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2

Download Submit
\Users\Public\xpha.pif

Filesize
15KB

MD5
6242e3d67787ccbf4e06ad2982853144

SHA1
6ac7947207d999a65890ab25fe344955da35028e

SHA256
4ca10dba7ff487fdb3f1362a3681d7d929f5aa1262cdfd31b04c30826983fb1d

SHA512
7d0d457e1537d624119a8023bcc086575696a5739c0460ef11554afac13af5e5d1edc7629a10e62834aba9f1b3ab1442011b15b4c3930399d91dca34b3b1cbaf

Download Submit
memory/2068-97-0x0000000003070000-0x0000000004070000-memory.dmp

Filesize
16.0MB

Download
memory/2068-99-0x0000000003070000-0x0000000004070000-memory.dmp

Filesize
16.0MB

Download
memory/2576-36-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/2576-34-0x0000000002A40000-0x0000000003A40000-memory.dmp

Filesize
16.0MB

Download
memory/2576-33-0x0000000002A40000-0x0000000003A40000-memory.dmp

Filesize
16.0MB

Download