modiloader | 0f3741c152e51823160b7fd931a8c8d07426636b38d6cc98a32358962b075e6a

General

Target

ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.exe
Size

684KB
MD5

ee1e23a38befea332ed1ce87611c1eae
SHA1

1da3051fe84f58776a57741b1898ba7dd015c8e6
SHA256

0f3741c152e51823160b7fd931a8c8d07426636b38d6cc98a32358962b075e6a
SHA512

186aa38c18f4e0583c80e4a97194184440896a694f39c1bbd12da46a2e684ea5bef631d08b33606a69e8e39442174c5703309ecb4c68e3f3e610fb88df77190b
SSDEEP

12288:y++DUy2XdM+DS9NEAPF9L9X3dZANno5CA6q:wDUyWDANjLLKsCAZ

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

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"	mstwain32.exe

ModiLoader Second Stage 16 IoCs

resource	yara_rule
behavioral2/files/0x00090000000233d7-6.dat	modiloader_stage2
behavioral2/memory/2976-21-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-35-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-38-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-41-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-44-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-47-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-50-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-53-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-56-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-59-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-62-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-65-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-68-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-71-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4888-74-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 2 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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2283442.exe

Executes dropped EXE 2 IoCs

pid	Process
2976	2283442.exe
4888	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
4888	mstwain32.exe
4888	mstwain32.exe
4888	mstwain32.exe
4888	mstwain32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windoze = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8087841.jpg"	ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.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	2283442.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	2283442.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	2283442.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	ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2283442.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	2283442.exe
Token: SeBackupPrivilege	3008	vssvc.exe
Token: SeRestorePrivilege	3008	vssvc.exe
Token: SeAuditPrivilege	3008	vssvc.exe
Token: SeDebugPrivilege	4888	mstwain32.exe
Token: SeDebugPrivilege	4888	mstwain32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3348	ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.exe
4888	mstwain32.exe
4888	mstwain32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 2976	3348	ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.exe	83
PID 3348 wrote to memory of 2976	3348	ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.exe	83
PID 3348 wrote to memory of 2976	3348	ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.exe	83
PID 2976 wrote to memory of 4888	2976	2283442.exe	89
PID 2976 wrote to memory of 4888	2976	2283442.exe	89
PID 2976 wrote to memory of 4888	2976	2283442.exe	89

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"	mstwain32.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\ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ee1e23a38befea332ed1ce87611c1eae_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3348
- C:\Users\Admin\AppData\Local\Temp\2283442.exe
  "C:\Users\Admin\AppData\Local\Temp\2283442.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:2976
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\2283442.exe"
    3⤵
    - UAC bypass
    - Executes dropped EXE
    - Loads dropped DLL
    - 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:4888

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3008

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

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\2283442.exe

Filesize
294KB

MD5
5a2d6b00b50682f8e32ef3694b1e7932

SHA1
60faba3c5dd700d0d6edf55597a3948c24257445

SHA256
4a75090db7b2b3cd5dad1d8464101aac6e3174dc130e805037d845115daef978

SHA512
6098937001a1d9f8656a7a38409f36f2c84d784d4d5b82d18237b70e59194fcd689f2556757b95ed2afa553836645d31587310be55164a9cb038d1d5eb557359

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
97b9de4a1717262b23cc18255f855b4f

SHA1
61abb11d22e2864e601d7b76c7dc4e971978f4cf

SHA256
55a9a8158bed832acff3c752b1b14545d58037d6a7f794d4659d42044758f242

SHA512
2dfcbbb7b71f7e14356f4f0b2bb78aac8e78b4a336b1b60fee23b95a2f6e1ce08148a2cc571b220263372ed732f20a2138fa2f1851e56f54144dccde7d28a318

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2976-19-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/2976-21-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-41-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-53-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-37-0x0000000000AD0000-0x0000000000ADE000-memory.dmp

Filesize
56KB

Download
memory/4888-36-0x0000000000780000-0x0000000000788000-memory.dmp

Filesize
32KB

Download
memory/4888-38-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-32-0x0000000000AD0000-0x0000000000ADE000-memory.dmp

Filesize
56KB

Download
memory/4888-44-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-47-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-50-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-35-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-56-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-59-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-62-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-65-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-68-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-71-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4888-74-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads