modiloader | 24307e6bfa579f50214f3b625f17f77292758bf31d47d4d075956d955ddbe98f

General

Target

JaffaCakes118_589550b043dc1cabc26bd81a6e226000.exe
Size

282KB
MD5

589550b043dc1cabc26bd81a6e226000
SHA1

28474e51357f3812bf2d0bd28d58cb68524f6e1d
SHA256

24307e6bfa579f50214f3b625f17f77292758bf31d47d4d075956d955ddbe98f
SHA512

3ce4218ffb8683c79126c1bc528d9a595e04d96b70329809193bf77e0ee1d7a01874768a71fa5fa6672f7cd5403ca320481086e43e5e8e9ff621b16268fda092
SSDEEP

6144:D94pAd9wbddDTA7R4gSNiX27v/3MJbhuEVKnte:ix84g4iX2v/3eEE2t

Score

10^/10

modiloader 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 family
modiloader

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WinLogon.exe

ModiLoader Second Stage 16 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012117-9.dat	modiloader_stage2
behavioral1/memory/2656-20-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-27-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-30-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-33-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-36-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-46-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-55-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1656-67-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2656	qMYeem2xSq7QCOl9373.exe
1656	WinLogon.exe

Loads dropped DLL 1 IoCs

pid	Process
2656	qMYeem2xSq7QCOl9373.exe

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Windows\\WinLogon.exe"	WinLogon.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	qMYeem2xSq7QCOl9373.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	WinLogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WinLogon.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\WinLogon.exe	qMYeem2xSq7QCOl9373.exe
File opened for modification	C:\Windows\WinLogon.exe	qMYeem2xSq7QCOl9373.exe
File created	C:\Windows\ntdtcstp.dll	WinLogon.exe
File created	C:\Windows\cmsetac.dll	WinLogon.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 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	qMYeem2xSq7QCOl9373.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinLogon.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	JaffaCakes118_589550b043dc1cabc26bd81a6e226000.exe
Token: SeDebugPrivilege	2656	qMYeem2xSq7QCOl9373.exe
Token: SeBackupPrivilege	2448	vssvc.exe
Token: SeRestorePrivilege	2448	vssvc.exe
Token: SeAuditPrivilege	2448	vssvc.exe
Token: SeDebugPrivilege	1656	WinLogon.exe
Token: SeDebugPrivilege	1656	WinLogon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1656	WinLogon.exe
1656	WinLogon.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2656	2812	JaffaCakes118_589550b043dc1cabc26bd81a6e226000.exe	29
PID 2812 wrote to memory of 2656	2812	JaffaCakes118_589550b043dc1cabc26bd81a6e226000.exe	29
PID 2812 wrote to memory of 2656	2812	JaffaCakes118_589550b043dc1cabc26bd81a6e226000.exe	29
PID 2812 wrote to memory of 2656	2812	JaffaCakes118_589550b043dc1cabc26bd81a6e226000.exe	29
PID 2656 wrote to memory of 1656	2656	qMYeem2xSq7QCOl9373.exe	33
PID 2656 wrote to memory of 1656	2656	qMYeem2xSq7QCOl9373.exe	33
PID 2656 wrote to memory of 1656	2656	qMYeem2xSq7QCOl9373.exe	33
PID 2656 wrote to memory of 1656	2656	qMYeem2xSq7QCOl9373.exe	33

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WinLogon.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_589550b043dc1cabc26bd81a6e226000.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_589550b043dc1cabc26bd81a6e226000.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Users\Admin\AppData\Local\Temp\qMYeem2xSq7QCOl9373.exe
  "C:\Users\Admin\AppData\Local\Temp\qMYeem2xSq7QCOl9373.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:2656
- - C:\Windows\WinLogon.exe
    "C:\Windows\WinLogon.exe" \melt "C:\Users\Admin\AppData\Local\Temp\qMYeem2xSq7QCOl9373.exe"
    3⤵
    - UAC bypass
    - Executes dropped EXE
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - System policy modification
    PID:1656

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

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

C:\Users\Admin\AppData\Local\Temp\qMYeem2xSq7QCOl9373.exe

Filesize
270KB

MD5
82781f428db2ae778562e46e3783d750

SHA1
303e906a1e83f1726b7ee5961ca22844ba25f4d0

SHA256
e3106be2d49821617465af99dd634a329315efe54c15ca3cc7284be522aed05b

SHA512
7dc281a1f2affb7ed735ca30dd474e7381f896dada2dd2054e65ab4ce5dc661947ba8c8e32e27195ebea4e804e14f326ae182def9863435d2c49f2a98d964e40

Download Submit
memory/1656-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-36-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-25-0x0000000001C40000-0x0000000001C4E000-memory.dmp

Filesize
56KB

Download
memory/1656-27-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-28-0x0000000000280000-0x0000000000288000-memory.dmp

Filesize
32KB

Download
memory/1656-29-0x0000000001C40000-0x0000000001C4E000-memory.dmp

Filesize
56KB

Download
memory/1656-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-33-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-30-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1656-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2656-20-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2812-0-0x000007FEF605E000-0x000007FEF605F000-memory.dmp

Filesize
4KB

Download
memory/2812-4-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2812-10-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download
memory/2812-1-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads