modiloader | 77d38d585e01fc1d0abebd6869cf421314e1695c35c62f086bd32e3a6bc51e93

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/01/2024, 10:46

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General

Target
Swift EUR97k_pdf.bat.exe
Size 1.8MB
Sample240131-mty4zaade8
SHA256 77d38d585e01fc1d0abebd6869cf421314e1695c35c62f086bd32e3a6bc51e93
MD5 26e2e47018d68491b42b12bea74a04c4
SHA1 51bf304b0d4190d09d9d5e750c5f717bd4650e18
SHA512 7a4d3709a5b47e4fbd63f6244fffb7d9a5caed1a8d7fb93fcf1cb4214311d72c8e92753e1fa57052df4bd7ea3333192e927e15000058b19f46c21e87cd06491b
SSDEEP 24576:g7+dhTZPoW+yd+NM//vHQqlTHl4Vb24WX3k7wXTz8QGFUZfM+7Dfavrjnpir0gOM:gcP7HHQU72UHk7c7mvrq0gOP7QJRWuv
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral2/memory/5004-2-0x0000000004010000-0x0000000005010000-memory.dmp	modiloader_stage2

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003

Executes dropped EXE 2 IoCs

pid	Process
4328	easinvoker.exe
3160	easinvoker.exe

Loads dropped DLL 2 IoCs

pid	Process
4328	easinvoker.exe
3160	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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ycxciaiu = "C:\\Users\\Public\\Ycxciaiu.url"	Swift EUR97k_pdf.bat.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 428 set thread context of 3304	428	SndVol.exe	46
PID 428 set thread context of 3620	428	SndVol.exe	116
PID 3620 set thread context of 3304	3620	msfeedssync.exe	46

Launches sc.exe 2 IoCs

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

pid	Process
3032	sc.exe
2444	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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msfeedssync.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
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe
4328	easinvoker.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
664	Process not Found

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
428	SndVol.exe
3304	Explorer.EXE
3304	Explorer.EXE
3620	msfeedssync.exe
3620	msfeedssync.exe
3620	msfeedssync.exe
3620	msfeedssync.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2144	powershell.exe

Suspicious use of WriteProcessMemory 57 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4644	5004	Swift EUR97k_pdf.bat.exe	91
PID 5004 wrote to memory of 4644	5004	Swift EUR97k_pdf.bat.exe	91
PID 5004 wrote to memory of 4644	5004	Swift EUR97k_pdf.bat.exe	91
PID 4644 wrote to memory of 4860	4644	cmd.exe	93
PID 4644 wrote to memory of 4860	4644	cmd.exe	93
PID 4644 wrote to memory of 4860	4644	cmd.exe	93
PID 4644 wrote to memory of 3352	4644	cmd.exe	95
PID 4644 wrote to memory of 3352	4644	cmd.exe	95
PID 4644 wrote to memory of 3352	4644	cmd.exe	95
PID 4644 wrote to memory of 2940	4644	cmd.exe	96
PID 4644 wrote to memory of 2940	4644	cmd.exe	96
PID 4644 wrote to memory of 2940	4644	cmd.exe	96
PID 4644 wrote to memory of 3736	4644	cmd.exe	97
PID 4644 wrote to memory of 3736	4644	cmd.exe	97
PID 4644 wrote to memory of 3736	4644	cmd.exe	97
PID 4644 wrote to memory of 4648	4644	cmd.exe	98
PID 4644 wrote to memory of 4648	4644	cmd.exe	98
PID 4644 wrote to memory of 4648	4644	cmd.exe	98
PID 4644 wrote to memory of 4824	4644	cmd.exe	99
PID 4644 wrote to memory of 4824	4644	cmd.exe	99
PID 4644 wrote to memory of 4824	4644	cmd.exe	99
PID 4644 wrote to memory of 3704	4644	cmd.exe	100
PID 4644 wrote to memory of 3704	4644	cmd.exe	100
PID 4644 wrote to memory of 3704	4644	cmd.exe	100
PID 4644 wrote to memory of 4228	4644	cmd.exe	101
PID 4644 wrote to memory of 4228	4644	cmd.exe	101
PID 4644 wrote to memory of 4228	4644	cmd.exe	101
PID 4644 wrote to memory of 4728	4644	cmd.exe	102
PID 4644 wrote to memory of 4728	4644	cmd.exe	102
PID 4644 wrote to memory of 4728	4644	cmd.exe	102
PID 4644 wrote to memory of 4328	4644	cmd.exe	103
PID 4644 wrote to memory of 4328	4644	cmd.exe	103
PID 4328 wrote to memory of 2092	4328	easinvoker.exe	105
PID 4328 wrote to memory of 2092	4328	easinvoker.exe	105
PID 2092 wrote to memory of 2056	2092	cmd.exe	106
PID 2092 wrote to memory of 2056	2092	cmd.exe	106
PID 2092 wrote to memory of 3032	2092	cmd.exe	108
PID 2092 wrote to memory of 3032	2092	cmd.exe	108
PID 2092 wrote to memory of 2444	2092	cmd.exe	109
PID 2092 wrote to memory of 2444	2092	cmd.exe	109
PID 2056 wrote to memory of 2144	2056	cmd.exe	110
PID 2056 wrote to memory of 2144	2056	cmd.exe	110
PID 5004 wrote to memory of 2304	5004	Swift EUR97k_pdf.bat.exe	111
PID 5004 wrote to memory of 2304	5004	Swift EUR97k_pdf.bat.exe	111
PID 5004 wrote to memory of 2304	5004	Swift EUR97k_pdf.bat.exe	111
PID 5004 wrote to memory of 428	5004	Swift EUR97k_pdf.bat.exe	113
PID 5004 wrote to memory of 428	5004	Swift EUR97k_pdf.bat.exe	113
PID 5004 wrote to memory of 428	5004	Swift EUR97k_pdf.bat.exe	113
PID 5004 wrote to memory of 428	5004	Swift EUR97k_pdf.bat.exe	113
PID 2304 wrote to memory of 3160	2304	cmd.exe	114
PID 2304 wrote to memory of 3160	2304	cmd.exe	114
PID 3304 wrote to memory of 3620	3304	Explorer.EXE	116
PID 3304 wrote to memory of 3620	3304	Explorer.EXE	116
PID 3304 wrote to memory of 3620	3304	Explorer.EXE	116
PID 3620 wrote to memory of 3636	3620	msfeedssync.exe	117
PID 3620 wrote to memory of 3636	3620	msfeedssync.exe	117
PID 3620 wrote to memory of 3636	3620	msfeedssync.exe	117

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Users\Admin\AppData\Local\Temp\Swift EUR97k_pdf.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\Swift EUR97k_pdf.bat.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:5004
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\YcxciaiuO.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4644
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c mkdir "\\?\C:\Windows "
      4⤵
      PID:4860
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
      4⤵
      PID:3352
  - - C:\Windows\SysWOW64\xcopy.exe
      xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
      4⤵
      Enumerates system info in registry
      PID:2940
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
      4⤵
      PID:3736
  - - C:\Windows\SysWOW64\xcopy.exe
      xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
      4⤵
      Enumerates system info in registry
      PID:4648
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
      4⤵
      PID:4824
  - - C:\Windows\SysWOW64\xcopy.exe
      xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
      4⤵
      Enumerates system info in registry
      PID:3704
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
      4⤵
      PID:4228
  - - C:\Windows\SysWOW64\xcopy.exe
      xcopy "x.bat" "C:\Windows \System32\" /K /D /H /Y
      4⤵
      Enumerates system info in registry
      PID:4728
  - - C:\Windows \System32\easinvoker.exe
      "C:\\Windows \\System32\\easinvoker.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:4328
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2092
      - C:\Windows\system32\cmd.exe
        
        cmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2056
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        7⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:2144
      - C:\Windows\system32\sc.exe
        
        sc.exe create truesight binPath="C:\Users\Public\Libraries\truesight.sys" type=kernel
        6⤵
        Launches sc.exe
        
        PID:3032
      - C:\Windows\system32\sc.exe
        
        sc.exe start truesight
        6⤵
        Launches sc.exe
        
        PID:2444
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c "C:\\Windows \\System32\\easinvoker.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2304
  - - C:\Windows \System32\easinvoker.exe
      "C:\\Windows \\System32\\easinvoker.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:3160
- - C:\Windows\SysWOW64\SndVol.exe
    C:\Windows\System32\SndVol.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    PID:428
- C:\Windows\SysWOW64\msfeedssync.exe
  "C:\Windows\SysWOW64\msfeedssync.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3620
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3636

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

__PSScriptPolicyTest_z3rtkgyr.1ny.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z3rtkgyr.1ny.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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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

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YcxciaiuO.bat

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

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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

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netutils.dll

Path C:\Users\Public\Libraries\netutils.dll
Size 116KB
SHA256 e443c8e9201f17ef4180d97a8505c24b4645e3ab25eacdeb8807d036229e2c1a
MD5 18f2fcec0ea10ef689b557fb0315ba3b
SHA1 cef14b1ebe402b6685734bc7efb16e27831c5b9e
SHA512 29513bd06224e1e1b40aedde09ba0f14b7b0bce7533fb215809b25d972d889d8e72c91dc8e00966369e31721c526322b9a6a7573c9f58f335ef94ca782ff844a
SSDEEP 1536:lgUYdGGz8ID3zjydXtt1msimYU15jNBQU7l4uCl7MbiRXRv179XF:lgU6GGzP/ot1PYUlBQU7l4vRv179XF
MD5 SHA1 SHA512 SSDEEP

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memory/428-56-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/428-52-0x0000000000FB0000-0x0000000000FCC000-memory.dmp

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memory/428-51-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/428-50-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/428-49-0x0000000014F10000-0x000000001525A000-memory.dmp

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memory/2144-38-0x0000020F5EB60000-0x0000020F5EB82000-memory.dmp

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memory/2144-39-0x00007FFB51370000-0x00007FFB51E31000-memory.dmp

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memory/2144-41-0x0000020F5EBF0000-0x0000020F5EC00000-memory.dmp

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memory/2144-40-0x0000020F5EBF0000-0x0000020F5EC00000-memory.dmp

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memory/2144-44-0x00007FFB51370000-0x00007FFB51E31000-memory.dmp

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memory/3160-47-0x00000000613C0000-0x00000000613E3000-memory.dmp

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memory/3304-60-0x000000000C280000-0x000000000E662000-memory.dmp

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memory/3304-63-0x0000000006C00000-0x0000000006CE7000-memory.dmp

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memory/3304-64-0x0000000006C00000-0x0000000006CE7000-memory.dmp

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memory/3304-71-0x0000000006C00000-0x0000000006CE7000-memory.dmp

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memory/3304-53-0x000000000C280000-0x000000000E662000-memory.dmp

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memory/3620-57-0x0000000000FF0000-0x000000000133A000-memory.dmp

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memory/3620-55-0x00000000004D0000-0x000000000050C000-memory.dmp

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memory/3620-54-0x00000000004D0000-0x000000000050C000-memory.dmp

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memory/3620-58-0x00000000004D0000-0x000000000050C000-memory.dmp

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memory/3620-59-0x0000000000AF0000-0x0000000000B8B000-memory.dmp

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memory/3620-61-0x00000000004D0000-0x000000000050C000-memory.dmp

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memory/3620-62-0x0000000000AF0000-0x0000000000B8B000-memory.dmp

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memory/4328-27-0x00000000613C0000-0x00000000613E3000-memory.dmp

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memory/5004-0-0x00000000024C0000-0x00000000024C1000-memory.dmp

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memory/5004-4-0x0000000000400000-0x00000000005D2000-memory.dmp

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memory/5004-2-0x0000000004010000-0x0000000005010000-memory.dmp

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memory/5004-1-0x0000000004010000-0x0000000005010000-memory.dmp

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