modiloader | 1009a0933bbaef940e5d70b8cee2e40eba279f15c25426de952415f7d0185c18

Analysis

max time kernel
143s
max time network
152s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20-03-2023 07:54

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General

Target

Documents/TESPO04231_COMPANY_PROFILE.exe
Size

61.0MB
MD5

6e751c7e477a446ca3192e29cce75458
SHA1

1e025b01bd31638eb8f4f08091b71bd43ac4ec49
SHA256

27a90b4c61f5b251c0ec448a81441d73352ccf16673aadc466e289d900936c54
SHA512

4e1112a4a5b835bf69190da841f3411be75e6cb6fc642b1ec5c3d846e6d150cdade17b285ebca0f6e71f89aa4c6d7ab8a24aa7120837eed23c79daa3f3624373
SSDEEP

12288:MB171bq7pQn24yjmf0vff3kn6se2AtPFGu5W8q5nCItvd9j:85E7pQ0yf+XlJtYu5W8gn1d

Score

10^/10

modiloader persistence 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

Processes:

resource	yara_rule
behavioral1/memory/1740-54-0x00000000004C0000-0x00000000004EC000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

easinvoker.exeeasinvoker.exe

pid process

1988 easinvoker.exe
1924 easinvoker.exe

pid	process
1988	easinvoker.exe
1924	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TESPO04231_COMPANY_PROFILE.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dptbzbkp = "C:\\Users\\Public\\Libraries\\pkbzbtpD.url"	TESPO04231_COMPANY_PROFILE.exe

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

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

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1764 AcroRd32.exe
1764 AcroRd32.exe
1764 AcroRd32.exe

pid	process
1764	AcroRd32.exe
1764	AcroRd32.exe
1764	AcroRd32.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

TESPO04231_COMPANY_PROFILE.execmd.exe

description	pid	process	target process
PID 1740 wrote to memory of 1764	1740	TESPO04231_COMPANY_PROFILE.exe	AcroRd32.exe
PID 1740 wrote to memory of 1764	1740	TESPO04231_COMPANY_PROFILE.exe	AcroRd32.exe
PID 1740 wrote to memory of 1764	1740	TESPO04231_COMPANY_PROFILE.exe	AcroRd32.exe
PID 1740 wrote to memory of 1764	1740	TESPO04231_COMPANY_PROFILE.exe	AcroRd32.exe
PID 1740 wrote to memory of 284	1740	TESPO04231_COMPANY_PROFILE.exe	cmd.exe
PID 1740 wrote to memory of 284	1740	TESPO04231_COMPANY_PROFILE.exe	cmd.exe
PID 1740 wrote to memory of 284	1740	TESPO04231_COMPANY_PROFILE.exe	cmd.exe
PID 1740 wrote to memory of 284	1740	TESPO04231_COMPANY_PROFILE.exe	cmd.exe
PID 284 wrote to memory of 1636	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 1636	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 1636	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 1636	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 608	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 608	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 608	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 608	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 1696	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 1696	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 1696	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 1696	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 1820	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 1820	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 1820	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 1820	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 888	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 888	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 888	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 888	284	cmd.exe	cmd.exe
PID 284 wrote to memory of 624	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 624	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 624	284	cmd.exe	xcopy.exe
PID 284 wrote to memory of 624	284	cmd.exe	xcopy.exe

C:\Users\Admin\AppData\Local\Temp\Documents\TESPO04231_COMPANY_PROFILE.exe
"C:\Users\Admin\AppData\Local\Temp\Documents\TESPO04231_COMPANY_PROFILE.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1740

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Public\bbipkbzbtpD.pdf"
2⤵
- Suspicious use of SetWindowsHookEx
PID:1764

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\Libraries\DptbzbkpO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:284

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:1636

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:608

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:1696

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:1820

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:888

C:\Windows\SysWOW64\xcopy.exe
xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:624

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
PID:1988

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
PID:1924

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\Libraries\DptbzbkpO.bat
Filesize
411B

MD5
55aba243e88f6a6813c117ffe1fa5979

SHA1
210b9b028a4b798c837a182321dbf2e50d112816

SHA256
5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

SHA512
68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

Download Submit
C:\Users\Public\Libraries\DptbzbkpO.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
109KB

MD5
121948efb4f731c8bf4af1aeca4e31c8

SHA1
68000731f4e952e8bce50b62a42ff1c1088aa20c

SHA256
f0799059086aff98937a56b1f576a38b5f431aef165b7d65ee44e129c1a1daae

SHA512
229d0ebefc20edeef1e11e29d1bbddfdd668d1e3abd46e0129fe0359bb915186b29af0c5209bfe227ef412cf09ec87e66f12fd294a0874a04af9ad1e72091eeb

Download Submit
C:\Users\Public\bbipkbzbtpD.pdf
Filesize
310KB

MD5
1fa9fcb613fcbb14d728ff2296eb634c

SHA1
8b67b2d05d3664c894cb322969ac8ceaa60bea8a

SHA256
ab79960e836225c71b798a4cf03152078b07e50b85831186ddd78a982e2d5586

SHA512
3ccc6032ec35b1023f32e7d28a6556c275470d4a002131ffcc95777fb57800db42b8deb0c7e86f4a45e64c76fb8a8349f401aa4f81ccd0f028c5cf5e5f6e0b74

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\easinvoker.exe
Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
memory/284-119-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/1740-61-0x0000000002FA0000-0x0000000002FDC000-memory.dmp

Filesize
240KB

Download
memory/1740-64-0x00000000035D0000-0x000000000360B000-memory.dmp

Filesize
236KB

Download
memory/1740-68-0x0000000003C40000-0x0000000003C4D000-memory.dmp

Filesize
52KB

Download
memory/1740-69-0x0000000003D90000-0x0000000003DA2000-memory.dmp

Filesize
72KB

Download
memory/1740-70-0x0000000003DB0000-0x0000000003DE8000-memory.dmp

Filesize
224KB

Download
memory/1740-66-0x0000000003B80000-0x0000000003BDA000-memory.dmp

Filesize
360KB

Download
memory/1740-65-0x0000000003610000-0x000000000361E000-memory.dmp

Filesize
56KB

Download
memory/1740-67-0x0000000003BE0000-0x0000000003BF0000-memory.dmp

Filesize
64KB

Download
memory/1740-63-0x0000000003550000-0x0000000003566000-memory.dmp

Filesize
88KB

Download
memory/1740-54-0x00000000004C0000-0x00000000004EC000-memory.dmp

Filesize
176KB

Download
memory/1740-60-0x0000000002FA0000-0x0000000002FEF000-memory.dmp

Filesize
316KB

Download
memory/1740-59-0x0000000001FB0000-0x0000000002008000-memory.dmp

Filesize
352KB

Download
memory/1740-58-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1740-57-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-56-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download