modiloader | d0cb6fe15a7104c380fdae815eca883d2167bab46d2a243c67f13200ff30ff75

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/02/2024, 15:31

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General

Target
PO_No_0013011100.exe
Size 1.3MB
Sample240220-sx2bdsbc35
SHA256 d0cb6fe15a7104c380fdae815eca883d2167bab46d2a243c67f13200ff30ff75
MD5 b303f612505ca4e0f716f5c46ea4648d
SHA1 d40300c34cb807ae7f40c9597c0ade63bb9d3921
SHA512 0a2044e4dbe58a1378eac7316d521d014574ed570663305a71386e72d4f58878a10ec63006f4dc4db74ac4acf866086122c77179ca47b48318491ac7421677d7
SSDEEP 24576:kH+bZn4eJDePreMta+dBZPGBAvPZsRDl4D0:kH7eJiPrVBZPGBJO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

fsts.duckdns.org:1985

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
yiuhjg
mouse_option
false
mutex
Rmc-ZUDCLG
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

resource	yara_rule
behavioral2/memory/964-2-0x00000000049A0000-0x00000000059A0000-memory.dmp	modiloader_stage2

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003

Executes dropped EXE 2 IoCs

pid	Process
4476	easinvoker.exe
3492	easinvoker.exe

Loads dropped DLL 2 IoCs

pid	Process
4476	easinvoker.exe
3492	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Scnuiihv = "C:\\Users\\Public\\Scnuiihv.url"	PO_No_0013011100.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4512	sc.exe
3672	sc.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

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
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.

description	flow	ioc
HTTP User-Agent header	19	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	22	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe
4476	easinvoker.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
656	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1072	SndVol.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 848	964	PO_No_0013011100.exe	90
PID 964 wrote to memory of 848	964	PO_No_0013011100.exe	90
PID 964 wrote to memory of 848	964	PO_No_0013011100.exe	90
PID 848 wrote to memory of 4712	848	cmd.exe	92
PID 848 wrote to memory of 4712	848	cmd.exe	92
PID 848 wrote to memory of 4712	848	cmd.exe	92
PID 848 wrote to memory of 3504	848	cmd.exe	94
PID 848 wrote to memory of 3504	848	cmd.exe	94
PID 848 wrote to memory of 3504	848	cmd.exe	94
PID 848 wrote to memory of 3228	848	cmd.exe	95
PID 848 wrote to memory of 3228	848	cmd.exe	95
PID 848 wrote to memory of 3228	848	cmd.exe	95
PID 848 wrote to memory of 4348	848	cmd.exe	96
PID 848 wrote to memory of 4348	848	cmd.exe	96
PID 848 wrote to memory of 4348	848	cmd.exe	96
PID 848 wrote to memory of 2860	848	cmd.exe	97
PID 848 wrote to memory of 2860	848	cmd.exe	97
PID 848 wrote to memory of 2860	848	cmd.exe	97
PID 848 wrote to memory of 4964	848	cmd.exe	98
PID 848 wrote to memory of 4964	848	cmd.exe	98
PID 848 wrote to memory of 4964	848	cmd.exe	98
PID 848 wrote to memory of 4664	848	cmd.exe	99
PID 848 wrote to memory of 4664	848	cmd.exe	99
PID 848 wrote to memory of 4664	848	cmd.exe	99
PID 848 wrote to memory of 3832	848	cmd.exe	100
PID 848 wrote to memory of 3832	848	cmd.exe	100
PID 848 wrote to memory of 3832	848	cmd.exe	100
PID 848 wrote to memory of 1032	848	cmd.exe	101
PID 848 wrote to memory of 1032	848	cmd.exe	101
PID 848 wrote to memory of 1032	848	cmd.exe	101
PID 848 wrote to memory of 4476	848	cmd.exe	102
PID 848 wrote to memory of 4476	848	cmd.exe	102
PID 4476 wrote to memory of 3756	4476	easinvoker.exe	103
PID 4476 wrote to memory of 3756	4476	easinvoker.exe	103
PID 3756 wrote to memory of 3292	3756	cmd.exe	105
PID 3756 wrote to memory of 3292	3756	cmd.exe	105
PID 3756 wrote to memory of 4512	3756	cmd.exe	106
PID 3756 wrote to memory of 4512	3756	cmd.exe	106
PID 3756 wrote to memory of 3672	3756	cmd.exe	108
PID 3756 wrote to memory of 3672	3756	cmd.exe	108
PID 3292 wrote to memory of 1100	3292	cmd.exe	109
PID 3292 wrote to memory of 1100	3292	cmd.exe	109
PID 964 wrote to memory of 4708	964	PO_No_0013011100.exe	112
PID 964 wrote to memory of 4708	964	PO_No_0013011100.exe	112
PID 964 wrote to memory of 4708	964	PO_No_0013011100.exe	112
PID 4708 wrote to memory of 3492	4708	cmd.exe	114
PID 4708 wrote to memory of 3492	4708	cmd.exe	114
PID 964 wrote to memory of 1072	964	PO_No_0013011100.exe	115
PID 964 wrote to memory of 1072	964	PO_No_0013011100.exe	115
PID 964 wrote to memory of 1072	964	PO_No_0013011100.exe	115
PID 964 wrote to memory of 1072	964	PO_No_0013011100.exe	115

C:\Users\Admin\AppData\Local\Temp\PO_No_0013011100.exe
"C:\Users\Admin\AppData\Local\Temp\PO_No_0013011100.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:964
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\ScnuiihvO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:848
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c mkdir "\\?\C:\Windows "
    3⤵
    PID:4712
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:3504
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3228
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:4348
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:2860
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:4964
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4664
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:3832
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "x.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:1032
- - C:\Windows \System32\easinvoker.exe
    "C:\\Windows \\System32\\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4476
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3756
    - - 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:3292
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1100
    - - C:\Windows\system32\sc.exe
        
        sc.exe create truesight binPath="C:\Users\Public\Libraries\truesight.sys" type=kernel
        5⤵
        Launches sc.exe
        
        PID:4512
    - - C:\Windows\system32\sc.exe
        
        sc.exe start truesight
        5⤵
        Launches sc.exe
        
        PID:3672
- C:\Windows\SysWOW64\cmd.exe
  cmd /c "C:\\Windows \\System32\\easinvoker.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4708
- - C:\Windows \System32\easinvoker.exe
    "C:\\Windows \\System32\\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3492
- C:\Windows\SysWOW64\SndVol.exe
  C:\Windows\System32\SndVol.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

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

logs.dat

Path C:\ProgramData\yiuhjg\logs.dat
Size 144B
SHA256 381a8716be31ab3b25d8aa1bffa11c6b9d72b2ede3f5bcd245eacaa9f689d2d6
MD5 6652ac472ed53ad9ab575aa7394e3940
SHA1 faadbe7cc700cd252402d19827c58f25cb4c436d
SHA512 c93cb499d17597a3833eef647a1d787bacff1305ed674254dd1e3dd85c6361fc6544d7d1901a1232248fbacaf398e857061c7966898a6ef68e4c2a966270bdc1
MD5 SHA1 SHA512

Submit Download

__PSScriptPolicyTest_kacfqpgx.d2j.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kacfqpgx.d2j.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

KDECO.bat

Path C:\Users\Public\Libraries\KDECO.bat
Size 4KB
SHA256 c8e1912a3328802e98563e32eb053ae3e28249b701054af227e9f1ba6bfe24d9
MD5 785e8193007bcd7858b9df41c9d45f89
SHA1 29b206de05ab075138ca9e0b9fccdddf3c30cdfe
SHA512 a4d6fd586800f27939d8c152e89d2a231dc9fd8466e715dfeba22e2aa0428509095e12e6e66f2cb5e40ff5c998b439dc3f6792e20c179f41ac9cae31ada9d45f
SSDEEP 96:SXISfSQ06ldNpeDSMfZ5eFsOWSaQmHs7k8qntYlBT1g8klpiyqYr4Vgc5KsW3:4ISBl1eDS3sLBMBW8k35R4VgXsa
MD5 SHA1 SHA512 SSDEEP

Submit Download

ScnuiihvO.bat

Path C:\Users\Public\Libraries\ScnuiihvO.bat
Size 7KB
SHA256 f46e0cc2c119a32dd87edf97bfc73d985ee97d2c9dc00274b6b20d641e29deea
MD5 0d0d24b46d4bb0e4962595d455020d48
SHA1 48b247c1cb2577b28aabd7dfa999e0642b5dc6de
SHA512 d5a8779e1cfd2a284173ce8a205cacb41fc7c744fa84e55682ac50b327c676ff50f668ecd176e0ab84420d143a8023d8b4590362b223704c55f5b0d7e116ba2c
SSDEEP 96:d/MTt2AdgpRXp2iRk1gLnjrL8DKzGrqpQo8G4rBlV+NZxHlwcGCsmZ8ftIhu6yN2:mhdgPZoKnjv8Nrmz8nrByNWc7eIhu6h
MD5 SHA1 SHA512 SSDEEP

Submit Download

easinvoker.exe

Path C:\Users\Public\Libraries\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

netutils.dll

Path C:\Users\Public\Libraries\netutils.dll
Size 115KB
SHA256 ae33f291a6f2011ca147c2b48035743aba3c507dcef86e1fa6acb4dee47cbf43
MD5 ecb0b0d16112f27c57e4048a02802fd5
SHA1 f7d1c76802d3948c55114fc0ea82c928936de944
SHA512 a18a6cde621274f42e20b4b897df2df984a8e6d420d65198fd6d4193a3a91b8c3ca6905120ac299acd8758da72654e7a650e872425677763894b11c98f03c421
SSDEEP 1536:zUJiEezaID3zzy02XtS1msMtY0j5jJUQ7bT47WCl7MbiR8RyIESE8F:zUQEezd/4S1aY0vUQ7bT4gRy9SE8F
MD5 SHA1 SHA512 SSDEEP

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memory/964-1-0x00000000049A0000-0x00000000059A0000-memory.dmp

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memory/964-2-0x00000000049A0000-0x00000000059A0000-memory.dmp

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memory/964-4-0x0000000000400000-0x0000000000558000-memory.dmp

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memory/964-6-0x0000000002310000-0x0000000002311000-memory.dmp

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memory/964-0-0x0000000002310000-0x0000000002311000-memory.dmp

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memory/1072-66-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-61-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-93-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-92-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-85-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-84-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-78-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-53-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-56-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-57-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-58-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-59-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-60-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-77-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-63-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-65-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-70-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-67-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1072-68-0x00000000005B0000-0x00000000015B0000-memory.dmp

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memory/1100-39-0x000002393E930000-0x000002393E952000-memory.dmp

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memory/1100-40-0x00007FFABA580000-0x00007FFABB041000-memory.dmp

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memory/1100-46-0x00007FFABA580000-0x00007FFABB041000-memory.dmp

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memory/1100-43-0x000002393E680000-0x000002393E690000-memory.dmp

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memory/1100-41-0x000002393E680000-0x000002393E690000-memory.dmp

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memory/1100-42-0x000002393E680000-0x000002393E690000-memory.dmp

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memory/3492-51-0x00000000613C0000-0x00000000613E3000-memory.dmp

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memory/4476-29-0x00000000613C0000-0x00000000613E3000-memory.dmp

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