modiloader | 4680f63f12e9cc7e508287cd922b95b94da6a87da99897a42193436d6f6d2727

Analysis

max time kernel
137s
max time network
155s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
09-03-2023 18:36

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General

Target

TESPO.exe
Size

56.0MB
MD5

4733810f2e9c33071bbb7faf9ca3fe52
SHA1

8c79d547cd808915bba437b852de1f783ae573eb
SHA256

4680f63f12e9cc7e508287cd922b95b94da6a87da99897a42193436d6f6d2727
SHA512

93a016bbeb8ec7cc1b31ae63747a7b1d1cf38a77e49e96ab47874ee9e6a5fbddad05088a7e8a8f27b0501544c3949898f3e92b435dc2985b1797f05fc83676a8
SSDEEP

12288:zc5iHVRdOwgMUvHbuc4FUlCJuJAoKP+u5BvVw/CctMTiIGi:w5URU5MUvHbLhlCJn5P55wakMlG

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/324-55-0x0000000000270000-0x000000000029C000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

easinvoker.exeeasinvoker.exe

pid process

2012 easinvoker.exe
2024 easinvoker.exe

pid	process
2012	easinvoker.exe
2024	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TESPO.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\Grgkxgas = "C:\\Users\\Public\\Libraries\\sagxkgrG.url"	TESPO.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 behavior: EnumeratesProcesses 3 IoCs

Processes:

TESPO.exe

pid process

324 TESPO.exe
324 TESPO.exe
324 TESPO.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

TESPO.exe

pid process

324 TESPO.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

TESPO.exe

pid process

324 TESPO.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

320 AcroRd32.exe
320 AcroRd32.exe
320 AcroRd32.exe

pid	process
324	TESPO.exe
324	TESPO.exe
324	TESPO.exe

pid	process
324	TESPO.exe

pid	process
324	TESPO.exe

pid	process
320	AcroRd32.exe
320	AcroRd32.exe
320	AcroRd32.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

TESPO.execmd.exe

description	pid	process	target process
PID 324 wrote to memory of 320	324	TESPO.exe	AcroRd32.exe
PID 324 wrote to memory of 320	324	TESPO.exe	AcroRd32.exe
PID 324 wrote to memory of 320	324	TESPO.exe	AcroRd32.exe
PID 324 wrote to memory of 320	324	TESPO.exe	AcroRd32.exe
PID 324 wrote to memory of 864	324	TESPO.exe	cmd.exe
PID 324 wrote to memory of 864	324	TESPO.exe	cmd.exe
PID 324 wrote to memory of 864	324	TESPO.exe	cmd.exe
PID 324 wrote to memory of 864	324	TESPO.exe	cmd.exe
PID 864 wrote to memory of 1472	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 1472	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 1472	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 1472	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 1068	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1068	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1068	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1068	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1548	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 1548	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 1548	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 1548	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 1168	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1168	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1168	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1168	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 940	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 940	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 940	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 940	864	cmd.exe	cmd.exe
PID 864 wrote to memory of 1748	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1748	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1748	864	cmd.exe	xcopy.exe
PID 864 wrote to memory of 1748	864	cmd.exe	xcopy.exe

C:\Users\Admin\AppData\Local\Temp\TESPO.exe
"C:\Users\Admin\AppData\Local\Temp\TESPO.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:324

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\szlsagxkgrG.PDF"
2⤵
- Suspicious use of SetWindowsHookEx
PID:320

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\Libraries\GrgkxgasO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:1472

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:1068

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:1548

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:1168

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:940

C:\Windows\SysWOW64\xcopy.exe
xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:1748

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
PID:2012

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
PID:2024

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
411B

MD5
55aba243e88f6a6813c117ffe1fa5979

SHA1
210b9b028a4b798c837a182321dbf2e50d112816

SHA256
5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

SHA512
68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

Download Submit
C:\Users\Public\Libraries\GrgkxgasO.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
108KB

MD5
fb62cc1809d29c333c697ed4595f0c18

SHA1
66370ebb45aa7d660dc6be31ee98972577e96566

SHA256
c64e8553c0449183295934a782ebdfcbdaecb37471de4dad964c9cdbb605e5dc

SHA512
2a5ec5d080e8aa11b7a513210d9cf66c5cea1e29dbb4e18d7584b0db369c466136c5b21d36694df2809a1c5c9b56fdce0ee1ee141be14cd2e16b7e0b242cc2b7

Download Submit
C:\Users\Public\szlsagxkgrG.PDF

Filesize
189KB

MD5
8e269b5328e2179c82ff300460abbc4c

SHA1
8b411d0c68ece906c4befb604901d2b41926307c

SHA256
494ee28a6c05e7f91608a941081e5fa33d5fc5f19a87e24243519872cb2a9272

SHA512
dd568ecd5767fa84a7cf9ca4dd096780d2f45996c8f80b88c3ddacf32f5c07aab9161ab0a6c0f76c0394a60f9da8e0d893b923889ca0b52404b948192e5fbc86

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/324-61-0x0000000002F10000-0x0000000002F4C000-memory.dmp

Filesize
240KB

Download
memory/324-64-0x0000000003750000-0x000000000378B000-memory.dmp

Filesize
236KB

Download
memory/324-67-0x0000000003D60000-0x0000000003D70000-memory.dmp

Filesize
64KB

Download
memory/324-68-0x0000000003ED0000-0x0000000003EDD000-memory.dmp

Filesize
52KB

Download
memory/324-69-0x0000000003F00000-0x0000000003F12000-memory.dmp

Filesize
72KB

Download
memory/324-70-0x0000000003F20000-0x0000000003F58000-memory.dmp

Filesize
224KB

Download
memory/324-65-0x0000000003790000-0x000000000379E000-memory.dmp

Filesize
56KB

Download
memory/324-66-0x0000000003D00000-0x0000000003D5A000-memory.dmp

Filesize
360KB

Download
memory/324-63-0x00000000034A0000-0x00000000034B6000-memory.dmp

Filesize
88KB

Download
memory/324-54-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/324-60-0x0000000002F10000-0x0000000002F5F000-memory.dmp

Filesize
316KB

Download
memory/324-59-0x0000000001F50000-0x0000000001FA8000-memory.dmp

Filesize
352KB

Download
memory/324-58-0x00000000002B0000-0x00000000002BB000-memory.dmp

Filesize
44KB

Download
memory/324-57-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/324-55-0x0000000000270000-0x000000000029C000-memory.dmp

Filesize
176KB

Download
memory/864-119-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download