modiloader | 98c95e28b1389a6532cfd67ae68c1d07343db2b66c50baa3fc1a445e4049dea0

General

Target

e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
Size

328KB
MD5

e4b102894dbb34062ec1e9c0a2a48c87
SHA1

e8242934ac4091e1a23eb014f05d09fc66646ac6
SHA256

98c95e28b1389a6532cfd67ae68c1d07343db2b66c50baa3fc1a445e4049dea0
SHA512

4ef8367b303d9b5b7e3aa045a59559e5f7e26071a38e436ebfd02a98db883eda5e124f51fc57d23efc8a5ec3caede601b46bee3fba59eef3439e68ed5910a98f
SSDEEP

6144:yGyjnBSkuV1d4eZd88ORJIf/wTBF53CpcfG7oS:hYnBSkuVUeZdYqwTkl7oS

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 5 IoCs

resource	yara_rule
behavioral1/memory/2524-0-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/2524-12-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/files/0x00060000000055de-8.dat	modiloader_stage2
behavioral1/memory/2524-15-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/2872-24-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
2872	mstwain32.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2524-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2524-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/files/0x00060000000055de-8.dat	upx
behavioral1/memory/2524-15-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2872-24-0x0000000000400000-0x0000000000454000-memory.dmp	upx

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-1-5-21-312935884-697965778-3955649944-1000\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	e4b102894dbb34062ec1e9c0a2a48c87_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	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	e4b102894dbb34062ec1e9c0a2a48c87_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	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
Token: SeBackupPrivilege	1636	vssvc.exe
Token: SeRestorePrivilege	1636	vssvc.exe
Token: SeAuditPrivilege	1636	vssvc.exe
Token: SeDebugPrivilege	2872	mstwain32.exe
Token: SeDebugPrivilege	2872	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2524	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2872	mstwain32.exe
2872	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2872	2524	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe	34
PID 2524 wrote to memory of 2872	2524	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe	34
PID 2524 wrote to memory of 2872	2524	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe	34
PID 2524 wrote to memory of 2872	2524	e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe	34

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\e4b102894dbb34062ec1e9c0a2a48c87_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4b102894dbb34062ec1e9c0a2a48c87_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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2524
- 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:2872

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1636

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
328KB

MD5
e4b102894dbb34062ec1e9c0a2a48c87

SHA1
e8242934ac4091e1a23eb014f05d09fc66646ac6

SHA256
98c95e28b1389a6532cfd67ae68c1d07343db2b66c50baa3fc1a445e4049dea0

SHA512
4ef8367b303d9b5b7e3aa045a59559e5f7e26071a38e436ebfd02a98db883eda5e124f51fc57d23efc8a5ec3caede601b46bee3fba59eef3439e68ed5910a98f

Download Submit
memory/2524-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2524-1-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2524-2-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/2524-7-0x0000000003F60000-0x0000000003F70000-memory.dmp

Filesize
64KB

Download
memory/2524-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2524-15-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2524-13-0x0000000003F60000-0x0000000003FB4000-memory.dmp

Filesize
336KB

Download
memory/2872-19-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2872-20-0x0000000002260000-0x000000000226E000-memory.dmp

Filesize
56KB

Download
memory/2872-22-0x00000000770C0000-0x00000000770C1000-memory.dmp

Filesize
4KB

Download
memory/2872-23-0x00000000770B0000-0x00000000771A0000-memory.dmp

Filesize
960KB

Download
memory/2872-24-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2872-25-0x00000000770B0000-0x00000000771A0000-memory.dmp

Filesize
960KB

Download
memory/2872-27-0x0000000002260000-0x000000000226E000-memory.dmp

Filesize
56KB

Download
memory/2872-26-0x00000000002F0000-0x00000000002F8000-memory.dmp

Filesize
32KB

Download
memory/2872-28-0x00000000770B0000-0x00000000771A0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads