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 3 IoCs

resource	yara_rule
behavioral2/memory/4872-17-0x0000000000400000-0x0000000000471000-memory.dmp	modiloader_stage2
behavioral2/memory/4872-16-0x0000000000400000-0x0000000000471000-memory.dmp	modiloader_stage2
behavioral2/memory/4872-29-0x0000000000400000-0x0000000000471000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	vbc.exe

Executes dropped EXE 2 IoCs

pid	Process
4872	vbc.exe
424	systen32.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-1-5-21-940901362-3608833189-1915618603-1000\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 4584 set thread context of 4872	4584	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	83

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4872-7-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4872-15-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4872-17-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4872-16-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4872-14-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/4872-29-0x0000000000400000-0x0000000000471000-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	4872	vbc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 4872	4584	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	83
PID 4584 wrote to memory of 4872	4584	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	83
PID 4584 wrote to memory of 4872	4584	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	83
PID 4584 wrote to memory of 4872	4584	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	83
PID 4584 wrote to memory of 4872	4584	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	83
PID 4584 wrote to memory of 4872	4584	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	83
PID 4584 wrote to memory of 4872	4584	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	83
PID 4584 wrote to memory of 4872	4584	JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe	83
PID 4872 wrote to memory of 424	4872	vbc.exe	84
PID 4872 wrote to memory of 424	4872	vbc.exe	84
PID 4872 wrote to memory of 424	4872	vbc.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69a11f444258202efc28ed29db5135c7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - 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:4872
- - 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:424

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

Query Registry

1

T1012

System Information Discovery

3

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

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/424-33-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/424-31-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/4584-1-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/4584-2-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/4584-32-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/4584-0-0x0000000074802000-0x0000000074803000-memory.dmp

Filesize
4KB

Download
memory/4872-17-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4872-14-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4872-29-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4872-16-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4872-15-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/4872-7-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads