modiloader | bbf9df24493a214cfb01ff809f9c34fbbb294958e24b994fea9e5d19bfc98844

General

Target

f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe
Size

838KB
MD5

f8dca378466703ab4e67c98c78c2e982
SHA1

62ab781bf284e78dfd4522e97056eaa3c41ff582
SHA256

bbf9df24493a214cfb01ff809f9c34fbbb294958e24b994fea9e5d19bfc98844
SHA512

67cfd8b1f8bcffa8ad53653be18b5741b785c60d172b39a11837983f5d28bb65cdd8a7fc9a6b3c3603b686fa1b383706c68dc69d329a824903c9641e20740e3e
SSDEEP

12288:/qKrbFWr3G/fYvo0dOyXkou6d+ctFvA9QOXD2bNr5QazjJsW1vMSpWhsggsUqx:TbFWrCAvo0Zko/dIQDN7zCX8qx

Score

10^/10

modiloader bootkit discovery evasion 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 7 IoCs

resource	yara_rule
behavioral1/memory/2936-1-0x0000000030001000-0x0000000030014000-memory.dmp	modiloader_stage2
behavioral1/memory/2936-2-0x0000000030000000-0x00000000300D5000-memory.dmp	modiloader_stage2
behavioral1/memory/2936-4-0x0000000030000000-0x00000000300D5000-memory.dmp	modiloader_stage2
behavioral1/memory/2936-3-0x0000000030000000-0x00000000300D5000-memory.dmp	modiloader_stage2
behavioral1/memory/2936-16-0x0000000030001000-0x0000000030014000-memory.dmp	modiloader_stage2
behavioral1/memory/2936-15-0x0000000030000000-0x00000000300D5000-memory.dmp	modiloader_stage2
behavioral1/memory/2936-5-0x0000000030000000-0x00000000300D5000-memory.dmp	modiloader_stage2

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2936	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2892	2712	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2936	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2712	2936	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2712	2936	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2712	2936	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2712	2936	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2712	2936	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2712	2936	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	30
PID 2712 wrote to memory of 2892	2712	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	31
PID 2712 wrote to memory of 2892	2712	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	31
PID 2712 wrote to memory of 2892	2712	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	31
PID 2712 wrote to memory of 2892	2712	f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\f8dca378466703ab4e67c98c78c2e982_JaffaCakes118.exe
  %NONE%
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 36
    3⤵
    - Program crash
    PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2712-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2712-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-13-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2712-11-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2936-4-0x0000000030000000-0x00000000300D5000-memory.dmp

Filesize
852KB

Download
memory/2936-3-0x0000000030000000-0x00000000300D5000-memory.dmp

Filesize
852KB

Download
memory/2936-6-0x0000000004E90000-0x0000000004F65000-memory.dmp

Filesize
852KB

Download
memory/2936-0-0x0000000030000000-0x00000000300D5000-memory.dmp

Filesize
852KB

Download
memory/2936-2-0x0000000030000000-0x00000000300D5000-memory.dmp

Filesize
852KB

Download
memory/2936-1-0x0000000030001000-0x0000000030014000-memory.dmp

Filesize
76KB

Download
memory/2936-16-0x0000000030001000-0x0000000030014000-memory.dmp

Filesize
76KB

Download
memory/2936-15-0x0000000030000000-0x00000000300D5000-memory.dmp

Filesize
852KB

Download
memory/2936-5-0x0000000030000000-0x00000000300D5000-memory.dmp

Filesize
852KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads