modiloader | 373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3

General

Target

PI-BD2403001.exe
Size

1.1MB
MD5

7f9d54f2643b695c21d8fb560e72106a
SHA1

ecc78cd91c127a66929642ff7c901c17f5e55952
SHA256

373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3
SHA512

b3c6797b6ca2ee33ccb907af9eae5e0b609030f24baed60f6776c2bf14aab58a1bff70c6218f3297198e9382ce4aa020ae9484bd00ee2ea25a446bb9e85a102b
SSDEEP

24576:llAinAzO5SRz+HJ0dkGdiNhp/BRaR6URr0GDp6eL:llAc5StANPpRaR6URrNp

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:47212

officerem.duckdns.org:47212

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-I8N3XG
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/2364-2-0x0000000003DB0000-0x0000000004DB0000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

7617241.exe

pid process

648 7617241.exe
Loads dropped DLL 1 IoCs

Processes:

7617241.exe

pid process

648 7617241.exe

pid	process
648	7617241.exe

pid	process
648	7617241.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

PI-BD2403001.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qbijgrcm = "C:\\Users\\Public\\Qbijgrcm.url"	PI-BD2403001.exe

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 44 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

2840 powershell.exe
2840 powershell.exe
2840 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2840 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SndVol.exe

pid process

2508 SndVol.exe

description	flow	ioc
HTTP User-Agent header	44	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2840	powershell.exe

pid	process
2508	SndVol.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

PI-BD2403001.execmd.exe7617241.execmd.execmd.exe

description	pid	process	target process
PID 2364 wrote to memory of 4444	2364	PI-BD2403001.exe	cmd.exe
PID 2364 wrote to memory of 4444	2364	PI-BD2403001.exe	cmd.exe
PID 2364 wrote to memory of 4444	2364	PI-BD2403001.exe	cmd.exe
PID 2364 wrote to memory of 5100	2364	PI-BD2403001.exe	cmd.exe
PID 2364 wrote to memory of 5100	2364	PI-BD2403001.exe	cmd.exe
PID 2364 wrote to memory of 5100	2364	PI-BD2403001.exe	cmd.exe
PID 2364 wrote to memory of 3728	2364	PI-BD2403001.exe	cmd.exe
PID 2364 wrote to memory of 3728	2364	PI-BD2403001.exe	cmd.exe
PID 2364 wrote to memory of 3728	2364	PI-BD2403001.exe	cmd.exe
PID 3728 wrote to memory of 648	3728	cmd.exe	7617241.exe
PID 3728 wrote to memory of 648	3728	cmd.exe	7617241.exe
PID 648 wrote to memory of 3684	648	7617241.exe	cmd.exe
PID 648 wrote to memory of 3684	648	7617241.exe	cmd.exe
PID 3684 wrote to memory of 4456	3684	cmd.exe	cmd.exe
PID 3684 wrote to memory of 4456	3684	cmd.exe	cmd.exe
PID 4456 wrote to memory of 2840	4456	cmd.exe	powershell.exe
PID 4456 wrote to memory of 2840	4456	cmd.exe	powershell.exe
PID 2364 wrote to memory of 4132	2364	PI-BD2403001.exe	extrac32.exe
PID 2364 wrote to memory of 4132	2364	PI-BD2403001.exe	extrac32.exe
PID 2364 wrote to memory of 4132	2364	PI-BD2403001.exe	extrac32.exe
PID 2364 wrote to memory of 2508	2364	PI-BD2403001.exe	SndVol.exe
PID 2364 wrote to memory of 2508	2364	PI-BD2403001.exe	SndVol.exe
PID 2364 wrote to memory of 2508	2364	PI-BD2403001.exe	SndVol.exe
PID 2364 wrote to memory of 2508	2364	PI-BD2403001.exe	SndVol.exe

C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe
"C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2364

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows "
2⤵
PID:4444

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows \System32"
2⤵
PID:5100

C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows \System32\7617241.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3728

C:\Windows \System32\7617241.exe
"C:\Windows \System32\7617241.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:648

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:3684

C:\Windows\system32\cmd.exe
cmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
5⤵
- Suspicious use of WriteProcessMemory
PID:4456

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2840

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\PI-BD2403001.exe C:\\Users\\Public\\Libraries\\Qbijgrcm.PIF
2⤵
PID:4132

C:\Windows\SysWOW64\SndVol.exe
C:\Windows\System32\SndVol.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:2508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
f3408bfeb042b343724de2831a730979

SHA1
a32b4477686b243ae0b19f5b7c370bc986139be2

SHA256
d5aab3434142b4f7e448f2126cc8ef28fa35f15aa65e21275e54a04177211375

SHA512
b6f73671c27a8d9f949748b69e1db54a1e5d0a3bc2ff93cb6b2f686eb706220a6d5ebc53c8a21288b10e7bcd196f03a4dc232ec99158422b1cb127865866c1b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lhu1l52s.u1m.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows \System32\7617241.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

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

Filesize
112KB

MD5
fa7aa88417d0c48807144a1a48fe3fbc

SHA1
6f5ec990b12d4a6075050a94e0d68d03781fa46d

SHA256
2019dcd18ba7d5554a4a9da882740aa883941670af3de9396960081a0f8aa098

SHA512
99b2eb6f8e7d00a3803cba229149e5e0cb67a3deb607782c55fbacd25d9c074cce83759de15490eff939d5ad98f26cdbd44395cc79ffe22753e16c3d9e3b5fff

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

Filesize
11KB

MD5
c545650595b479c81ad6b9d8882aae39

SHA1
7a98aa2e6eee23b3c1bba876955d525bc618b3f0

SHA256
a3a80983cb33159f0455fa0135789402558baa1460db94d0071318512b8cb5f9

SHA512
85ac596a7da9072a28c4178e4fdedc98f1b49c8e3fe5612cfe464833297b13f65d2dc59b52d7fc9970cff8f98d954111229aec0ed9dded454e03b0cf4ebb6ff3

Download Submit
memory/648-18-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/2364-0-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/2364-1-0x0000000003DB0000-0x0000000004DB0000-memory.dmp

Filesize
16.0MB

Download
memory/2364-2-0x0000000003DB0000-0x0000000004DB0000-memory.dmp

Filesize
16.0MB

Download
memory/2364-4-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/2364-6-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/2508-45-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-52-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-82-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-80-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-43-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-74-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-46-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-47-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-48-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-49-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-51-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-73-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-53-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-55-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-56-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-58-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-66-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2508-65-0x0000000000F20000-0x0000000001F20000-memory.dmp

Filesize
16.0MB

Download
memory/2840-30-0x00000294FBF70000-0x00000294FBF92000-memory.dmp

Filesize
136KB

Download
memory/2840-32-0x00000294E2E60000-0x00000294E2E70000-memory.dmp

Filesize
64KB

Download
memory/2840-31-0x00007FFDB4C30000-0x00007FFDB56F1000-memory.dmp

Filesize
10.8MB

Download
memory/2840-36-0x00007FFDB4C30000-0x00007FFDB56F1000-memory.dmp

Filesize
10.8MB

Download
memory/2840-33-0x00000294E2E60000-0x00000294E2E70000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads