modiloader | f1eda92b6b5ed6008deda89980a21069973f98713659c232747fc4046babd640

General

Target

JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe
Size

378KB
MD5

69a11f444258202efc28ed29db5135c7
SHA1

4f4274e524cf516a7282755c9be7085b1b6daed0
SHA256

f1eda92b6b5ed6008deda89980a21069973f98713659c232747fc4046babd640
SHA512

0dc1c0ab3fc466642b1fa99b14d327f2d376906bbfa70f1840a1c7b752523d1efad3b5ca1780cd20e7f7af884d82bc8caa057f448556901ac8f7531204409871
SSDEEP

6144:/l/dRjiC6YH0G7jVvqkdLgoO9ajkqjqMKSY8o7k0ZHvp6b5HEPgZieqD:/NdxlPlRqkdLBO9ajkqjqMKSY8mlPp6m

Score

10^/10

modiloader discovery evasion persistence trojan upx

Malware Config

Signatures

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

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral1/memory/2916-25-0x0000000000400000-0x0000000000471000-memory.dmp	modiloader_stage2
behavioral1/memory/2916-24-0x0000000000400000-0x0000000000471000-memory.dmp	modiloader_stage2
behavioral1/memory/2916-33-0x0000000000400000-0x0000000000471000-memory.dmp	modiloader_stage2
behavioral1/memory/2916-23-0x0000000000400000-0x0000000000471000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2916	vbc.exe
2836	systen32.exe

Loads dropped DLL 2 IoCs

pid	Process
2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe
2916	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\JavaUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\JavaUpdtr\\JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe"	JaffaCakes118_69a11f444258202efc28ed29db5135c7.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	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 2916	2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	30

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2916-17-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2916-20-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2916-13-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2916-11-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2916-21-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2916-25-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2916-24-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2916-33-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2916-23-0x0000000000400000-0x0000000000471000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\systen32.exe	vbc.exe
File opened for modification	C:\Windows\systen32.exe	vbc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systen32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	vbc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2916	2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	30
PID 2976 wrote to memory of 2916	2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	30
PID 2976 wrote to memory of 2916	2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	30
PID 2976 wrote to memory of 2916	2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	30
PID 2976 wrote to memory of 2916	2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	30
PID 2976 wrote to memory of 2916	2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	30
PID 2976 wrote to memory of 2916	2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	30
PID 2976 wrote to memory of 2916	2976	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	30
PID 2916 wrote to memory of 2836	2916	vbc.exe	31
PID 2916 wrote to memory of 2836	2916	vbc.exe	31
PID 2916 wrote to memory of 2836	2916	vbc.exe	31
PID 2916 wrote to memory of 2836	2916	vbc.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Windows\systen32.exe
    "C:\Windows\systen32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\vbc.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2836-36-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download
memory/2836-35-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download
memory/2916-9-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2916-21-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2916-20-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2916-13-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2916-11-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2916-23-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2916-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2916-17-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2916-33-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2916-25-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2916-24-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2976-22-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/2976-0-0x0000000074681000-0x0000000074682000-memory.dmp

Filesize
4KB

Download
memory/2976-2-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/2976-1-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads