modiloader | 1fecd8f9260d65863bd4ec9e8818b618ee01c741316dc20234bd715d0940eb22

General

Target

iz.exe
Size

1.4MB
MD5

86c87988e4c163f7b19bd68555c9d019
SHA1

5279f39755dc24f3044299d6ecd64ac63ec73ca7
SHA256

1fecd8f9260d65863bd4ec9e8818b618ee01c741316dc20234bd715d0940eb22
SHA512

255dc520135189363dfb7505e71dc4f98806d74714d8f82755379ab91bfb1ccdfa89605cc26820bd5d9b50bf1ddc83a44d2ac770b6a0f724d7ce19b604ddb9b8
SSDEEP

24576:/6iXI/6AsGqohuP2v8rT3rM9qTgtAxMXYu9jz+ghCnCP6Zwras/:i8bTrM9IoS0jz+gwnAj

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

myumysmeetr.ddns.net:2404

mysmeetr.ddns.net:2404

meetre1ms.freeddns.org:2404

bbhmeetre1ms.freeddns.org:2404

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
WINWIN-K4ZHB5
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

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4900-3-0x0000000002D10000-0x0000000003D10000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

easinvoker.exe

pid process

4380 easinvoker.exe
Loads dropped DLL 1 IoCs

Processes:

easinvoker.exe

pid process

4380 easinvoker.exe

pid	process
4380	easinvoker.exe

pid	process
4380	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

iz.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sraomtte = "C:\\Users\\Public\\Sraomtte.url"	iz.exe

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 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	26	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	30	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

iz.exe

pid process

4900 iz.exe
4900 iz.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

SndVol.exe

pid process

1044 SndVol.exe
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

SndVol.exe

pid process

1044 SndVol.exe
1044 SndVol.exe

pid	process
4900	iz.exe
4900	iz.exe

pid	process
1044	SndVol.exe

pid	process
1044	SndVol.exe
1044	SndVol.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

iz.execmd.exeeasinvoker.execmd.exe

description	pid	process	target process
PID 4900 wrote to memory of 3860	4900	iz.exe	cmd.exe
PID 4900 wrote to memory of 3860	4900	iz.exe	cmd.exe
PID 4900 wrote to memory of 3860	4900	iz.exe	cmd.exe
PID 3860 wrote to memory of 1716	3860	cmd.exe	cmd.exe
PID 3860 wrote to memory of 1716	3860	cmd.exe	cmd.exe
PID 3860 wrote to memory of 1716	3860	cmd.exe	cmd.exe
PID 3860 wrote to memory of 2112	3860	cmd.exe	xcopy.exe
PID 3860 wrote to memory of 2112	3860	cmd.exe	xcopy.exe
PID 3860 wrote to memory of 2112	3860	cmd.exe	xcopy.exe
PID 3860 wrote to memory of 1188	3860	cmd.exe	cmd.exe
PID 3860 wrote to memory of 1188	3860	cmd.exe	cmd.exe
PID 3860 wrote to memory of 1188	3860	cmd.exe	cmd.exe
PID 3860 wrote to memory of 1864	3860	cmd.exe	xcopy.exe
PID 3860 wrote to memory of 1864	3860	cmd.exe	xcopy.exe
PID 3860 wrote to memory of 1864	3860	cmd.exe	xcopy.exe
PID 3860 wrote to memory of 3972	3860	cmd.exe	cmd.exe
PID 3860 wrote to memory of 3972	3860	cmd.exe	cmd.exe
PID 3860 wrote to memory of 3972	3860	cmd.exe	cmd.exe
PID 3860 wrote to memory of 1808	3860	cmd.exe	xcopy.exe
PID 3860 wrote to memory of 1808	3860	cmd.exe	xcopy.exe
PID 3860 wrote to memory of 1808	3860	cmd.exe	xcopy.exe
PID 3860 wrote to memory of 4380	3860	cmd.exe	easinvoker.exe
PID 3860 wrote to memory of 4380	3860	cmd.exe	easinvoker.exe
PID 4380 wrote to memory of 3336	4380	easinvoker.exe	cmd.exe
PID 4380 wrote to memory of 3336	4380	easinvoker.exe	cmd.exe
PID 3336 wrote to memory of 5020	3336	cmd.exe	extrac32.exe
PID 3336 wrote to memory of 5020	3336	cmd.exe	extrac32.exe
PID 4900 wrote to memory of 4552	4900	iz.exe	extrac32.exe
PID 4900 wrote to memory of 4552	4900	iz.exe	extrac32.exe
PID 4900 wrote to memory of 4552	4900	iz.exe	extrac32.exe
PID 4900 wrote to memory of 1044	4900	iz.exe	SndVol.exe
PID 4900 wrote to memory of 1044	4900	iz.exe	SndVol.exe
PID 4900 wrote to memory of 1044	4900	iz.exe	SndVol.exe
PID 4900 wrote to memory of 1044	4900	iz.exe	SndVol.exe

C:\Users\Admin\AppData\Local\Temp\iz.exe
"C:\Users\Admin\AppData\Local\Temp\iz.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4900

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\SraomtteO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:3860

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:1716

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:2112

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:1188

C:\Windows\SysWOW64\xcopy.exe
xcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:1864

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:3972

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:1808

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4380

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:3336

C:\Windows\System32\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe
5⤵
PID:5020

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\iz.exe C:\\Users\\Public\\Libraries\\Sraomtte.PIF
2⤵
PID:4552

C:\Windows\SysWOW64\SndVol.exe
C:\Windows\System32\SndVol.exe
2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1044

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3948 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:3108

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat
Filesize
222B

MD5
88a088551f928b5f64612462a35825ae

SHA1
adfca2f4ae35bd05568df07c4c61a2e199af6099

SHA256
4a987573b56eae878f117149f403f350c86447383bf8f2c5cfbe1eff4858d563

SHA512
10037dfc2acc6fe1421367c49926d5eb48a60091f002e62561234eddff64f47004cdd9e6bf1ec108b6a2f090392858d4796f4ac063e31bc02a08a35e928afe51

Download Submit
C:\Users\Public\Libraries\SraomtteO.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/1044-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-72-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-37-0x0000000002B50000-0x0000000003B50000-memory.dmp

Filesize
16.0MB

Download
memory/1044-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-62-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1044-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4380-27-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/4900-1-0x0000000002D10000-0x0000000003D10000-memory.dmp

Filesize
16.0MB

Download
memory/4900-5-0x0000000000400000-0x0000000000573000-memory.dmp

Filesize
1.4MB

Download
memory/4900-0-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download
memory/4900-2-0x0000000000400000-0x0000000000573000-memory.dmp

Filesize
1.4MB

Download
memory/4900-3-0x0000000002D10000-0x0000000003D10000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads