modiloader | 53269367f4cd3a421484193957d5290b198593c3fc3823169a7b1634657e7f17

General

Target

ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe
Size

288KB
MD5

ed35441818995030ea3e5ccdada17b8b
SHA1

3e1e9f15c5cfdd7ddc9d09a76e50b166c79751cb
SHA256

53269367f4cd3a421484193957d5290b198593c3fc3823169a7b1634657e7f17
SHA512

ce008badd19043e3775b292e2f1ab771ce6c8c7a06cb9f1a5fcba7a2918e1953aef5d850933c67851195375f67ffcb0680684d66a70713950c784c3a8c625ad2
SSDEEP

6144:4JO29OhQHmf5LPyBmIB3XdjMMYw7KxyDP/0aTlRgZ5r:4zuQGRLKTVFD3tTYZ5r

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 10 IoCs

resource	yara_rule
behavioral2/memory/4816-0-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4816-1-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4816-3-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4816-4-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/4816-15-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-21-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-22-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-23-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-36-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-37-0x0000000000400000-0x000000000044C000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1804	mstwain32.exe
3464	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
3464	mstwain32.exe
3464	mstwain32.exe
3464	mstwain32.exe
3464	mstwain32.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.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	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 548 set thread context of 4816	548	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe	83
PID 1804 set thread context of 3464	1804	mstwain32.exe	93

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.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 4 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	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4816	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe
Token: SeBackupPrivilege	592	vssvc.exe
Token: SeRestorePrivilege	592	vssvc.exe
Token: SeAuditPrivilege	592	vssvc.exe
Token: SeDebugPrivilege	3464	mstwain32.exe
Token: SeDebugPrivilege	3464	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4816	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3464	mstwain32.exe
3464	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 4816	548	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe	83
PID 548 wrote to memory of 4816	548	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe	83
PID 548 wrote to memory of 4816	548	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe	83
PID 548 wrote to memory of 4816	548	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe	83
PID 548 wrote to memory of 4816	548	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe	83
PID 4816 wrote to memory of 1804	4816	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe	91
PID 4816 wrote to memory of 1804	4816	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe	91
PID 4816 wrote to memory of 1804	4816	ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe	91
PID 1804 wrote to memory of 3464	1804	mstwain32.exe	93
PID 1804 wrote to memory of 3464	1804	mstwain32.exe	93
PID 1804 wrote to memory of 3464	1804	mstwain32.exe	93
PID 1804 wrote to memory of 3464	1804	mstwain32.exe	93
PID 1804 wrote to memory of 3464	1804	mstwain32.exe	93

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\ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe
  2⤵
  - Checks computer location settings
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4816
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\ed35441818995030ea3e5ccdada17b8b_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe
      4⤵
      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:3464

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:592

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:\Windows\cmsetac.dll

Filesize
32KB

MD5
ac1efa2ab4ab5b51f9bc624724fe8ed1

SHA1
2e33b4bac45f449cf89ba25d0a9e45cf39dd1b8c

SHA256
efe32d6c4f22638b04d246c693ab20eb9b3dd02b056490b829e6cb33ef00a1fb

SHA512
2b3914597160cb611eb86b03d82259f2592536d6fc4ab78226e1a08f2d3c05f6cf1c747f3c65a512ee4d71e9e497658cacb4fb10024c020301665660023bdac6

Download Submit
C:\Windows\mstwain32.exe

Filesize
288KB

MD5
ed35441818995030ea3e5ccdada17b8b

SHA1
3e1e9f15c5cfdd7ddc9d09a76e50b166c79751cb

SHA256
53269367f4cd3a421484193957d5290b198593c3fc3823169a7b1634657e7f17

SHA512
ce008badd19043e3775b292e2f1ab771ce6c8c7a06cb9f1a5fcba7a2918e1953aef5d850933c67851195375f67ffcb0680684d66a70713950c784c3a8c625ad2

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/548-2-0x0000000011490000-0x00000000114DF000-memory.dmp

Filesize
316KB

Download
memory/1804-20-0x0000000011490000-0x00000000114DF000-memory.dmp

Filesize
316KB

Download
memory/3464-22-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-34-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/3464-39-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/3464-38-0x00000000005F0000-0x00000000005F8000-memory.dmp

Filesize
32KB

Download
memory/3464-21-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-37-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-23-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-36-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3464-30-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/4816-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4816-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4816-5-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/4816-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4816-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4816-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads