modiloader | 70ea3a18e50f25c361deff05d5274eaea3b54276e72e37125ad8f2e38b484baf

General

Target

de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
Size

268KB
MD5

de4fb1a5ac8ec52a9d169f5f06ab75b8
SHA1

e160a0ffefb1cee8c9674ddf710daa8cc83650c3
SHA256

70ea3a18e50f25c361deff05d5274eaea3b54276e72e37125ad8f2e38b484baf
SHA512

5f4a49091a4d9f6e52c485b80b722b77eb7787c4897e875aeab439453c3469fd07268a4a281a9bb2d22e3adb9995902192cf23b39e0d32b07959b7364822ce9b
SSDEEP

3072:ssUoCtot/GT43M5Pgl2b9MLG70sm18rO8BRkOufWoOU7wPlbqy9u:x0Pgli9MawsmMZDkB24mlbqX

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 22 IoCs

resource	yara_rule
behavioral2/memory/2280-5-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/2280-6-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/2280-18-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-28-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-29-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-30-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-42-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-43-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-46-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-47-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-50-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-53-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-56-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-59-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-62-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-65-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-68-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-71-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-74-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-77-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-80-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4568-83-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2468	mstwain32.exe
4568	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
4568	mstwain32.exe
4568	mstwain32.exe
4568	mstwain32.exe
4568	mstwain32.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2280-2-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2280-4-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2280-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2280-6-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2280-18-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-27-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-28-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-29-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-30-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-42-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-43-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-46-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-47-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-50-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-53-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-56-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-59-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-62-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-65-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-68-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-71-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-74-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-77-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-80-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4568-83-0x0000000000400000-0x0000000000451000-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-1-5-21-2392887640-1187051047-2909758433-1000\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	de4fb1a5ac8ec52a9d169f5f06ab75b8_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 2936 set thread context of 2280	2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	83
PID 2468 set thread context of 4568	2468	mstwain32.exe	91

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.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	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
Token: SeBackupPrivilege	400	vssvc.exe
Token: SeRestorePrivilege	400	vssvc.exe
Token: SeAuditPrivilege	400	vssvc.exe
Token: SeDebugPrivilege	4568	mstwain32.exe
Token: SeDebugPrivilege	4568	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
2468	mstwain32.exe
4568	mstwain32.exe
4568	mstwain32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2280	2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	83
PID 2936 wrote to memory of 2280	2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	83
PID 2936 wrote to memory of 2280	2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	83
PID 2936 wrote to memory of 2280	2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	83
PID 2936 wrote to memory of 2280	2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	83
PID 2936 wrote to memory of 2280	2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	83
PID 2936 wrote to memory of 2280	2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	83
PID 2936 wrote to memory of 2280	2936	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	83
PID 2280 wrote to memory of 2468	2280	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	90
PID 2280 wrote to memory of 2468	2280	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	90
PID 2280 wrote to memory of 2468	2280	de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe	90
PID 2468 wrote to memory of 4568	2468	mstwain32.exe	91
PID 2468 wrote to memory of 4568	2468	mstwain32.exe	91
PID 2468 wrote to memory of 4568	2468	mstwain32.exe	91
PID 2468 wrote to memory of 4568	2468	mstwain32.exe	91
PID 2468 wrote to memory of 4568	2468	mstwain32.exe	91
PID 2468 wrote to memory of 4568	2468	mstwain32.exe	91
PID 2468 wrote to memory of 4568	2468	mstwain32.exe	91
PID 2468 wrote to memory of 4568	2468	mstwain32.exe	91

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\de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\de4fb1a5ac8ec52a9d169f5f06ab75b8_JaffaCakes118.exe
  2⤵
  - Checks computer location settings
  - 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:2280
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2468
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe
      4⤵
      UAC bypass
      Executes dropped EXE
      Loads dropped DLL
      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:4568

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:400

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

Query Registry

1

T1012

System Information Discovery

3

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\cmsetac.dll

Filesize
33KB

MD5
562ff86a49c0fa6b9c0f9db2dda35bf3

SHA1
fda7969f4083584a70d88c3b77eee65aedcbd04e

SHA256
6c93ba445c632738db40735e46dd417de14b0af6d18478334e0f8342d6a0b978

SHA512
2336b459f46919430bab8d3a26ddacc159283bbe6a072c785e923d9f699ccb1cee7d911bd62d952e38bd1191dbf6f6276f27fa145a4f08091bb3a39838d0696e

Download Submit
C:\Windows\mstwain32.exe

Filesize
268KB

MD5
de4fb1a5ac8ec52a9d169f5f06ab75b8

SHA1
e160a0ffefb1cee8c9674ddf710daa8cc83650c3

SHA256
70ea3a18e50f25c361deff05d5274eaea3b54276e72e37125ad8f2e38b484baf

SHA512
5f4a49091a4d9f6e52c485b80b722b77eb7787c4897e875aeab439453c3469fd07268a4a281a9bb2d22e3adb9995902192cf23b39e0d32b07959b7364822ce9b

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2280-4-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-18-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2280-2-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-43-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-50-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-29-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-28-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-40-0x00000000030F0000-0x00000000030FE000-memory.dmp

Filesize
56KB

Download
memory/4568-42-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-27-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-46-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-45-0x00000000030F0000-0x00000000030FE000-memory.dmp

Filesize
56KB

Download
memory/4568-44-0x0000000000AF0000-0x0000000000AF8000-memory.dmp

Filesize
32KB

Download
memory/4568-47-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-30-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-53-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-56-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-59-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-62-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-65-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-68-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-71-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-74-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-77-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-80-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4568-83-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads