modiloader | 6b2dbad4a84d576fac7d5129939adab83f35e06eb59c79304b2e8439eb70ec4d

General

Target

dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe
Size

270KB
MD5

dd76f201ecf7155e1a35d9579df4241a
SHA1

f9e1c9f05a11a9d3fc503e40c93b3c0651974aac
SHA256

6b2dbad4a84d576fac7d5129939adab83f35e06eb59c79304b2e8439eb70ec4d
SHA512

77190af43245eb064cf554eb111ed857a141ed7570d9f1ef86af722df5522ac75ef432285ca6344e466562a7e1b7b1e3eb8353510bb0f2786a04ce5dfe402723
SSDEEP

6144:XG377xS2Vp2CeiorXdwTBgWx4v53dpcCJJvH0:Wr7xS2Vp6RwTyCUbJJvH0

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 15 IoCs

resource	yara_rule
behavioral1/memory/664-8-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/files/0x00060000000055cf-7.dat	modiloader_stage2
behavioral1/memory/1100-18-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-22-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-25-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-28-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-31-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-35-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-38-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-41-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-44-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-47-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-50-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-53-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1100-56-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
1100	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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	dd76f201ecf7155e1a35d9579df4241a_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	dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	664	dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe
Token: SeBackupPrivilege	2740	vssvc.exe
Token: SeRestorePrivilege	2740	vssvc.exe
Token: SeAuditPrivilege	2740	vssvc.exe
Token: SeDebugPrivilege	1100	mstwain32.exe
Token: SeDebugPrivilege	1100	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1100	mstwain32.exe
1100	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 664 wrote to memory of 1100	664	dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe	32
PID 664 wrote to memory of 1100	664	dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe	32
PID 664 wrote to memory of 1100	664	dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe	32
PID 664 wrote to memory of 1100	664	dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe	32

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\dd76f201ecf7155e1a35d9579df4241a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd76f201ecf7155e1a35d9579df4241a_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:664
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe"
  2⤵
  - 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:1100

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2740

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
dd76f201ecf7155e1a35d9579df4241a

SHA1
f9e1c9f05a11a9d3fc503e40c93b3c0651974aac

SHA256
6b2dbad4a84d576fac7d5129939adab83f35e06eb59c79304b2e8439eb70ec4d

SHA512
77190af43245eb064cf554eb111ed857a141ed7570d9f1ef86af722df5522ac75ef432285ca6344e466562a7e1b7b1e3eb8353510bb0f2786a04ce5dfe402723

Download Submit
memory/664-8-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-21-0x00000000764F0000-0x00000000765E0000-memory.dmp

Filesize
960KB

Download
memory/1100-28-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-16-0x00000000764F0000-0x00000000765E0000-memory.dmp

Filesize
960KB

Download
memory/1100-15-0x0000000076500000-0x0000000076501000-memory.dmp

Filesize
4KB

Download
memory/1100-17-0x00000000764F0000-0x00000000765E0000-memory.dmp

Filesize
960KB

Download
memory/1100-18-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-19-0x0000000001DF0000-0x0000000001DF8000-memory.dmp

Filesize
32KB

Download
memory/1100-20-0x0000000002310000-0x000000000231E000-memory.dmp

Filesize
56KB

Download
memory/1100-12-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

Filesize
4KB

Download
memory/1100-22-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-25-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-13-0x0000000002310000-0x000000000231E000-memory.dmp

Filesize
56KB

Download
memory/1100-31-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-35-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-38-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-41-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-50-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1100-56-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads