modiloader | be31185fc80afb305d668d523e70858d26f78ccf1175da83cc465eb949f8523a

General

Target
8ca028d6a26153dfdcb0f67b66159ac9.exe
Size 295KB
Sample240203-sdgsmsedfm
SHA256 be31185fc80afb305d668d523e70858d26f78ccf1175da83cc465eb949f8523a
MD5 8ca028d6a26153dfdcb0f67b66159ac9
SHA1 5362f1c2d6d3935fa505f4b1a57987abccd1cd3d
SHA512 2d73cb95b92a25da8c15cabe5833129a077b6fed804d54616c1880b5a319058725208768ccafa7f2efe68f8bf99a53269089cb0b58079b98b79b0438b331475b
SSDEEP 6144:1RyIL4ImePaoQjVEc8FAkT7sRd54tFNX9xZRi5c1a15lajT0:1vLqePaoFcxkMUFNX9rsea1/x
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 2 IoCs

resource	yara_rule
behavioral2/memory/740-14-0x0000000000400000-0x00000000004C5000-memory.dmp	modiloader_stage2
behavioral2/memory/1452-15-0x0000000000400000-0x00000000004C5000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
740	rejoice101.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1452-0-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/files/0x00060000000231f0-4.dat	upx
behavioral2/memory/2268-10-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/740-14-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1452-15-0x0000000000400000-0x00000000004C5000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\_rejoice101.exe	rejoice101.exe
File opened for modification	C:\Windows\SysWOW64\_rejoice101.exe	rejoice101.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 740 set thread context of 2268	740	rejoice101.exe	85

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe	8ca028d6a26153dfdcb0f67b66159ac9.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe	8ca028d6a26153dfdcb0f67b66159ac9.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat	8ca028d6a26153dfdcb0f67b66159ac9.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3500	2268	WerFault.exe	85

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 740	1452	8ca028d6a26153dfdcb0f67b66159ac9.exe	84
PID 1452 wrote to memory of 740	1452	8ca028d6a26153dfdcb0f67b66159ac9.exe	84
PID 1452 wrote to memory of 740	1452	8ca028d6a26153dfdcb0f67b66159ac9.exe	84
PID 740 wrote to memory of 2268	740	rejoice101.exe	85
PID 740 wrote to memory of 2268	740	rejoice101.exe	85
PID 740 wrote to memory of 2268	740	rejoice101.exe	85
PID 740 wrote to memory of 2268	740	rejoice101.exe	85
PID 740 wrote to memory of 2268	740	rejoice101.exe	85
PID 740 wrote to memory of 2064	740	rejoice101.exe	86
PID 740 wrote to memory of 2064	740	rejoice101.exe	86
PID 1452 wrote to memory of 4104	1452	8ca028d6a26153dfdcb0f67b66159ac9.exe	89
PID 1452 wrote to memory of 4104	1452	8ca028d6a26153dfdcb0f67b66159ac9.exe	89
PID 1452 wrote to memory of 4104	1452	8ca028d6a26153dfdcb0f67b66159ac9.exe	89

C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe
"C:\Users\Admin\AppData\Local\Temp\8ca028d6a26153dfdcb0f67b66159ac9.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe
  "C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoice101.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:740
- - C:\Windows\SysWOW64\calc.exe
    "C:\Windows\system32\calc.exe"
    3⤵
    PID:2268
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 12
      4⤵
      Program crash
      PID:3500
- - C:\program files\internet explorer\IEXPLORE.EXE
    "C:\program files\internet explorer\IEXPLORE.EXE"
    3⤵
    PID:2064
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat""
  2⤵
  PID:4104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2268 -ip 2268
1⤵
PID:1972

Network

MITRE ATT&CK Matrix

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Downloads

SgotoDel.bat

Path C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat
Size 184B
SHA256 a0c91442c2b7e8c2fde1b881c056c4006d3ac7437ac135a68b92c9830022d87a
MD5 77ced2405e345f9cff39459401cb8406
SHA1 746565c2db29e17a1f38923467646c9acdd396e4
SHA512 6bfd800d6970e7cd2f10277aa3da01681632d52e1a79f839f6dfa6fd9bd45e7c77a661cfc1663d1d2426445e3b5373eb89968100bf2b5a3607cc2172a9cfebe6
MD5 SHA1 SHA512

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rejoice101.exe

Path C:\Program Files\Common Files\microsoft shared\MSInfo\rejoice101.exe
Size 295KB
SHA256 be31185fc80afb305d668d523e70858d26f78ccf1175da83cc465eb949f8523a
MD5 8ca028d6a26153dfdcb0f67b66159ac9
SHA1 5362f1c2d6d3935fa505f4b1a57987abccd1cd3d
SHA512 2d73cb95b92a25da8c15cabe5833129a077b6fed804d54616c1880b5a319058725208768ccafa7f2efe68f8bf99a53269089cb0b58079b98b79b0438b331475b
SSDEEP 6144:1RyIL4ImePaoQjVEc8FAkT7sRd54tFNX9xZRi5c1a15lajT0:1vLqePaoFcxkMUFNX9rsea1/x
MD5 SHA1 SHA512 SSDEEP

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memory/740-7-0x0000000000680000-0x0000000000681000-memory.dmp

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memory/740-14-0x0000000000400000-0x00000000004C5000-memory.dmp

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memory/1452-0-0x0000000000400000-0x00000000004C5000-memory.dmp

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memory/1452-3-0x0000000002480000-0x0000000002481000-memory.dmp

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memory/1452-15-0x0000000000400000-0x00000000004C5000-memory.dmp

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memory/2268-10-0x0000000000400000-0x00000000004C5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads