modiloader | bd39a4f07a13eaef2e0f3fefda428c49051340ef36ac2257ef56b3724bdc2e14

General

Target

fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
Size

654KB
MD5

fd89448d9fe7f7d45b36413712fc5857
SHA1

0bc67e1c8fc000c9bf444fcd9d69b9a25992c5e5
SHA256

bd39a4f07a13eaef2e0f3fefda428c49051340ef36ac2257ef56b3724bdc2e14
SHA512

f93794556a6a1ce13d16a11f0931c7c82c13477ef282531bc423335226619432109425e336fea498ba1fe417732a30b257d9193ee429efdecb0294e60aa2a3a2
SSDEEP

12288:NHLUMuiv9RgfSjAzRty9jpJkT1uxp62KW8CcCzyU56RZv+HFkZdCOv:1tAR2XkEv8W8CcQy2U1VZdf

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

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 21 IoCs

resource	yara_rule
behavioral1/memory/2052-6-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2052-8-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2052-14-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2052-12-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2052-16-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2052-17-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2052-10-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2052-20-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2052-21-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2052-31-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-54-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-53-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-60-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-67-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-70-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-77-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-80-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2100-83-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2208	mstwain32.exe
2100	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-1-5-21-3290804112-2823094203-3137964600-1000\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	fd89448d9fe7f7d45b36413712fc5857_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

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2308-19-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral1/memory/2208-33-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral1/memory/2208-52-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2208 set thread context of 2100	2208	mstwain32.exe	36

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-0-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral1/memory/2308-1-0x00000000031F0000-0x00000000032D6000-memory.dmp	upx
behavioral1/memory/2308-19-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral1/files/0x00060000000055d7-27.dat	upx
behavioral1/memory/2208-33-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral1/memory/2208-52-0x0000000000400000-0x00000000004E6000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	fd89448d9fe7f7d45b36413712fc5857_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	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2052	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
Token: SeBackupPrivilege	2848	vssvc.exe
Token: SeRestorePrivilege	2848	vssvc.exe
Token: SeAuditPrivilege	2848	vssvc.exe
Token: SeDebugPrivilege	2100	mstwain32.exe
Token: SeDebugPrivilege	2100	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2100	mstwain32.exe
2100	mstwain32.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2052	2308	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	31
PID 2052 wrote to memory of 2208	2052	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	35
PID 2052 wrote to memory of 2208	2052	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	35
PID 2052 wrote to memory of 2208	2052	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	35
PID 2052 wrote to memory of 2208	2052	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	35
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2100	2208	mstwain32.exe	36

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\fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe"
  2⤵
  - 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:2052
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2208
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      4⤵
      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:2100

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2848

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:\Windows\mstwain32.exe

Filesize
654KB

MD5
fd89448d9fe7f7d45b36413712fc5857

SHA1
0bc67e1c8fc000c9bf444fcd9d69b9a25992c5e5

SHA256
bd39a4f07a13eaef2e0f3fefda428c49051340ef36ac2257ef56b3724bdc2e14

SHA512
f93794556a6a1ce13d16a11f0931c7c82c13477ef282531bc423335226619432109425e336fea498ba1fe417732a30b257d9193ee429efdecb0294e60aa2a3a2

Download Submit
memory/2052-29-0x00000000004B0000-0x00000000004F0000-memory.dmp

Filesize
256KB

Download
memory/2052-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-8-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-12-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-16-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-17-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-31-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-20-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2052-25-0x0000000003070000-0x0000000003080000-memory.dmp

Filesize
64KB

Download
memory/2100-60-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-83-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-80-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-77-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-54-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-58-0x0000000002350000-0x000000000235E000-memory.dmp

Filesize
56KB

Download
memory/2100-70-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2100-62-0x00000000001D0000-0x00000000001D8000-memory.dmp

Filesize
32KB

Download
memory/2100-63-0x0000000002350000-0x000000000235E000-memory.dmp

Filesize
56KB

Download
memory/2100-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2208-33-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2208-52-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2208-34-0x00000000034F0000-0x00000000035D6000-memory.dmp

Filesize
920KB

Download
memory/2308-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2308-1-0x00000000031F0000-0x00000000032D6000-memory.dmp

Filesize
920KB

Download
memory/2308-19-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads