modiloader | 2f990ba8806520da8850727bbeb8112eabfe148aed0dbfd27c067883c7cd03b7

General

Target

fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe
Size

270KB
MD5

fd51733ca40488b00f1a983a51800c0d
SHA1

6547434fccf530fbb99fc572639d56f7ba6724f8
SHA256

2f990ba8806520da8850727bbeb8112eabfe148aed0dbfd27c067883c7cd03b7
SHA512

c453b6f1565d21b551636c7497cae3c1d575c1b4482e587618c86c54c220e2bd6967e81b1697b29245e32d58d1113e64229bbd8ced64161dd3567b9d3b31f2ea
SSDEEP

6144:gG377xS2Vp2CeiorXdwTBgWx4v53epcCJJvHH:Lr7xS2Vp6RwTyCvbJJvHH

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 17 IoCs

resource	yara_rule
behavioral1/memory/2208-0-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/files/0x00060000000055cf-5.dat	modiloader_stage2
behavioral1/memory/2208-9-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-17-0x00000000769D0000-0x0000000076AC0000-memory.dmp	modiloader_stage2
behavioral1/memory/588-19-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-23-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-26-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-29-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-33-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-36-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-42-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-45-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-48-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-51-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-54-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/588-57-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
588	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
588	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-1-5-21-457978338-2990298471-2379561640-1000\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	fd51733ca40488b00f1a983a51800c0d_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

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	fd51733ca40488b00f1a983a51800c0d_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 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	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe
Token: SeBackupPrivilege	2704	vssvc.exe
Token: SeRestorePrivilege	2704	vssvc.exe
Token: SeAuditPrivilege	2704	vssvc.exe
Token: SeDebugPrivilege	588	mstwain32.exe
Token: SeDebugPrivilege	588	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
588	mstwain32.exe
588	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 588	2208	fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe	33
PID 2208 wrote to memory of 588	2208	fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe	33
PID 2208 wrote to memory of 588	2208	fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe	33
PID 2208 wrote to memory of 588	2208	fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.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"	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\fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe"
1⤵
- 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:2208
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\fd51733ca40488b00f1a983a51800c0d_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Deletes itself
  - 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:588

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2704

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

Replay Monitor

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Downloads

C:\Windows\mstwain32.exe

Filesize
270KB

MD5
fd51733ca40488b00f1a983a51800c0d

SHA1
6547434fccf530fbb99fc572639d56f7ba6724f8

SHA256
2f990ba8806520da8850727bbeb8112eabfe148aed0dbfd27c067883c7cd03b7

SHA512
c453b6f1565d21b551636c7497cae3c1d575c1b4482e587618c86c54c220e2bd6967e81b1697b29245e32d58d1113e64229bbd8ced64161dd3567b9d3b31f2ea

Download Submit
memory/588-23-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-57-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-20-0x00000000002E0000-0x00000000002E8000-memory.dmp

Filesize
32KB

Download
memory/588-14-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/588-17-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download
memory/588-16-0x00000000769E0000-0x00000000769E1000-memory.dmp

Filesize
4KB

Download
memory/588-18-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download
memory/588-19-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-22-0x00000000769D0000-0x0000000076AC0000-memory.dmp

Filesize
960KB

Download
memory/588-26-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-13-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/588-54-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-21-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/588-29-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-33-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-36-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-42-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/588-51-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2208-9-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2208-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads