modiloader | 662eee4badd8016df53a58c499ac58c3126316f2f31390379d6793c65e25834b

General

Target

a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
Size

123KB
MD5

a0b4b4c4ec5c8c26ae915267d1c903de
SHA1

04933a68ff8bcc3a8b57330856c93637e224f07f
SHA256

662eee4badd8016df53a58c499ac58c3126316f2f31390379d6793c65e25834b
SHA512

d34c5e0e7fd00133cef240233a212f895a59485f531d295fb885cfe136288e9b524be0f0cf29be7cdaa75278257986a3511c6f6dcd64c82d34d3557d6d5fb4c7
SSDEEP

3072:vTQYK+o2rWJ+4T2VVajEUqMSvIzSX0dC4q73:vThrWJ+KmKqhdV4E

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
Modiloader family
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 11 IoCs

resource	yara_rule
behavioral1/memory/2100-16-0x0000000020000000-0x0000000020026000-memory.dmp	modiloader_stage2
behavioral1/memory/1256-20-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1256-19-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1256-29-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/files/0x00060000000055df-28.dat	modiloader_stage2
behavioral1/memory/2252-48-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1520-43-0x0000000020000000-0x0000000020026000-memory.dmp	modiloader_stage2
behavioral1/memory/2252-49-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2252-58-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2252-61-0x00000000773F0000-0x00000000774E0000-memory.dmp	modiloader_stage2
behavioral1/memory/2252-64-0x00000000773F0000-0x00000000774E0000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1520	mstwain32.exe
2252	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-1-5-21-1163522206-1469769407-485553996-1000\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	a0b4b4c4ec5c8c26ae915267d1c903de_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 2100 set thread context of 1256	2100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	30
PID 1520 set thread context of 2252	1520	mstwain32.exe	36

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1256-15-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1256-18-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1256-20-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1256-19-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1256-29-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2252-48-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2252-46-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2252-42-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2252-49-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2252-57-0x00000000773F0000-0x00000000774E0000-memory.dmp	upx
behavioral1/memory/2252-58-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2252-61-0x00000000773F0000-0x00000000774E0000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	a0b4b4c4ec5c8c26ae915267d1c903de_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	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a0b4b4c4ec5c8c26ae915267d1c903de_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	1256	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
Token: SeBackupPrivilege	2576	vssvc.exe
Token: SeRestorePrivilege	2576	vssvc.exe
Token: SeAuditPrivilege	2576	vssvc.exe
Token: SeDebugPrivilege	2252	mstwain32.exe
Token: SeDebugPrivilege	2252	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2252	mstwain32.exe
2252	mstwain32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 1256	2100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	30
PID 2100 wrote to memory of 1256	2100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	30
PID 2100 wrote to memory of 1256	2100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	30
PID 2100 wrote to memory of 1256	2100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	30
PID 2100 wrote to memory of 1256	2100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	30
PID 2100 wrote to memory of 1256	2100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	30
PID 1256 wrote to memory of 1520	1256	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	35
PID 1256 wrote to memory of 1520	1256	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	35
PID 1256 wrote to memory of 1520	1256	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	35
PID 1256 wrote to memory of 1520	1256	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	35
PID 1520 wrote to memory of 2252	1520	mstwain32.exe	36
PID 1520 wrote to memory of 2252	1520	mstwain32.exe	36
PID 1520 wrote to memory of 2252	1520	mstwain32.exe	36
PID 1520 wrote to memory of 2252	1520	mstwain32.exe	36
PID 1520 wrote to memory of 2252	1520	mstwain32.exe	36
PID 1520 wrote to memory of 2252	1520	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\a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_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:1256
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1520
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe \melt C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.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:2252

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2576

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

Loading Replay Monitor...

Downloads

C:\Windows\mstwain32.exe

Filesize
123KB

MD5
a0b4b4c4ec5c8c26ae915267d1c903de

SHA1
04933a68ff8bcc3a8b57330856c93637e224f07f

SHA256
662eee4badd8016df53a58c499ac58c3126316f2f31390379d6793c65e25834b

SHA512
d34c5e0e7fd00133cef240233a212f895a59485f531d295fb885cfe136288e9b524be0f0cf29be7cdaa75278257986a3511c6f6dcd64c82d34d3557d6d5fb4c7

Download Submit
memory/1256-20-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-15-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1256-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-29-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-19-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-18-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1520-43-0x0000000020000000-0x0000000020026000-memory.dmp

Filesize
152KB

Download
memory/2100-10-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2100-9-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2100-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2100-16-0x0000000020000000-0x0000000020026000-memory.dmp

Filesize
152KB

Download
memory/2100-8-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2252-53-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2252-46-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2252-42-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2252-49-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2252-48-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2252-54-0x0000000000880000-0x000000000088E000-memory.dmp

Filesize
56KB

Download
memory/2252-56-0x0000000077400000-0x0000000077401000-memory.dmp

Filesize
4KB

Download
memory/2252-57-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/2252-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2252-59-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/2252-60-0x0000000000880000-0x000000000088E000-memory.dmp

Filesize
56KB

Download
memory/2252-61-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download
memory/2252-64-0x00000000773F0000-0x00000000774E0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads