modiloader | 8d876cb4130fb8af097af24b129fb59f6ec7af83d87bc8fe5896953a2591e377

General

Target

f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe
Size

402KB
MD5

f8cead5bfe4919d6d2dd82016a7a05f1
SHA1

0b0ab8d4b64a9c403c6408592de8f1d441fd5583
SHA256

8d876cb4130fb8af097af24b129fb59f6ec7af83d87bc8fe5896953a2591e377
SHA512

5bf05c774315833843d25b2bea2d173adb333c7dc1937d8e3fd5e1819b60f61082784c959f4cb07853d37f8098619a3fd0e19b44f727a05e383ad05f0e4c91f7
SSDEEP

12288:rylDVdcMafXEezSoT3s6LvUBP8UgjUwC3:+l5dDxe9HLMBP8njUX

Score

10^/10

modiloader discovery 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 5 IoCs

resource	yara_rule
behavioral1/memory/1952-2-0x0000000000400000-0x0000000000546000-memory.dmp	modiloader_stage2
behavioral1/memory/1692-16-0x0000000000400000-0x0000000000546000-memory.dmp	modiloader_stage2
behavioral1/memory/1952-30-0x0000000000400000-0x0000000000546000-memory.dmp	modiloader_stage2
behavioral1/memory/1692-32-0x0000000000400000-0x0000000000546000-memory.dmp	modiloader_stage2
behavioral1/memory/1952-40-0x0000000000400000-0x0000000000546000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
2584	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1692	MaskTask.exe

Loads dropped DLL 5 IoCs

pid	Process
1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe
1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe
2248	WerFault.exe
2248	WerFault.exe
2248	WerFault.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\_MaskTask.exe	MaskTask.exe
File opened for modification	C:\Windows\SysWOW64\_MaskTask.exe	MaskTask.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1692 set thread context of 2508	1692	MaskTask.exe	31

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\MaskTask.exe	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\MSINFO\MaskTask.exe	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\Delet.bat	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2248	1692	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MaskTask.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 1692	1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe	30
PID 1952 wrote to memory of 1692	1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe	30
PID 1952 wrote to memory of 1692	1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe	30
PID 1952 wrote to memory of 1692	1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe	30
PID 1692 wrote to memory of 2508	1692	MaskTask.exe	31
PID 1692 wrote to memory of 2508	1692	MaskTask.exe	31
PID 1692 wrote to memory of 2508	1692	MaskTask.exe	31
PID 1692 wrote to memory of 2508	1692	MaskTask.exe	31
PID 1692 wrote to memory of 2508	1692	MaskTask.exe	31
PID 1692 wrote to memory of 2508	1692	MaskTask.exe	31
PID 1692 wrote to memory of 2248	1692	MaskTask.exe	32
PID 1692 wrote to memory of 2248	1692	MaskTask.exe	32
PID 1692 wrote to memory of 2248	1692	MaskTask.exe	32
PID 1692 wrote to memory of 2248	1692	MaskTask.exe	32
PID 1952 wrote to memory of 2584	1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe	34
PID 1952 wrote to memory of 2584	1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe	34
PID 1952 wrote to memory of 2584	1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe	34
PID 1952 wrote to memory of 2584	1952	f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8cead5bfe4919d6d2dd82016a7a05f1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Program Files\Common Files\Microsoft Shared\MSINFO\MaskTask.exe
  "C:\Program Files\Common Files\Microsoft Shared\MSINFO\MaskTask.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\SysWOW64\calc.exe
    "C:\Windows\system32\calc.exe"
    3⤵
    PID:2508
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 280
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2248
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\Delet.bat""
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\Microsoft Shared\MSInfo\Delet.bat

Filesize
212B

MD5
6bbcc3d83ff6f62cc5922f4b872d3363

SHA1
b0176106487dd5069e6e56059d25fa1f4ebf6ba3

SHA256
5754aa33c5f828f87dc5280f27de10195a52e4306233f68d25a693e6d61dafd7

SHA512
09bdc8b011fe746ab886904fc26627a34646136fe486911c6e012b2b3d9ff54273495a650f2fc4f977e04fb2ff4dd5fbfe666a85f36aa7d3a0903bff5c682294

Download Submit
\Program Files\Common Files\Microsoft Shared\MSInfo\MaskTask.exe

Filesize
402KB

MD5
f8cead5bfe4919d6d2dd82016a7a05f1

SHA1
0b0ab8d4b64a9c403c6408592de8f1d441fd5583

SHA256
8d876cb4130fb8af097af24b129fb59f6ec7af83d87bc8fe5896953a2591e377

SHA512
5bf05c774315833843d25b2bea2d173adb333c7dc1937d8e3fd5e1819b60f61082784c959f4cb07853d37f8098619a3fd0e19b44f727a05e383ad05f0e4c91f7

Download Submit
memory/1692-20-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1692-16-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1692-32-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1692-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1692-14-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1952-12-0x0000000003000000-0x0000000003146000-memory.dmp

Filesize
1.3MB

Download
memory/1952-0-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1952-2-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1952-30-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1952-31-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1952-3-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1952-1-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1952-40-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/2508-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2508-25-0x0000000000400000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download

Analysis

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