modiloader | 1dcb2a3c7a813b156baec6ca1d1998762e3eeea45faf577b96d09a600717a3f3

General

Target

9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe
Size

480KB
MD5

9810907e95734ebf3ef91f2a5d52cd2e
SHA1

ba4d83ec78d94b41a1a819cd90d00dbf095edf9e
SHA256

1dcb2a3c7a813b156baec6ca1d1998762e3eeea45faf577b96d09a600717a3f3
SHA512

2ae0c5fda3ddcb9d3411f99a9d45335d34a19837bff8e688efc481af431030759e9c87506e8bd58660aaadf99457f318d84fea9d85fdbd14fff86d1599d77ef7
SSDEEP

6144:FhOZbxZ+Be8wGKmFTGT6cF6R5m9rBLICY0klFblDU9srvkw0apig5mm68Gaz:FyxZ+B5wGKmFTBC6RolZRkBAsTkZasoX

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

Processes:

mstwain32.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3096-8-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/3096-7-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/3096-21-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/5088-31-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/5088-32-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/5088-46-0x0000000000400000-0x0000000000455000-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

Processes:

9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid	Process
2908	mstwain32.exe
5088	mstwain32.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid	Process
5088	mstwain32.exe
5088	mstwain32.exe
5088	mstwain32.exe
5088	mstwain32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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

Processes:

9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exemstwain32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9810907e95734ebf3ef91f2a5d52cd2e_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

Processes:

9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exemstwain32.exe

description	pid	Process	procid_target
PID 3092 set thread context of 3096	3092	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe	83
PID 2908 set thread context of 5088	2908	mstwain32.exe	97

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3096-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3096-6-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3096-8-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3096-7-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5088-24-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5088-27-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3096-21-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5088-30-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5088-31-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5088-32-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5088-46-0x0000000000400000-0x0000000000455000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

Processes:

9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exemstwain32.exe

description	ioc	Process
File created	C:\Windows\mstwain32.exe	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	9810907e95734ebf3ef91f2a5d52cd2e_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

Processes:

mstwain32.exemstwain32.exe9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	Process
Token: SeDebugPrivilege	3096	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe
Token: SeBackupPrivilege	4452	vssvc.exe
Token: SeRestorePrivilege	4452	vssvc.exe
Token: SeAuditPrivilege	4452	vssvc.exe
Token: SeDebugPrivilege	5088	mstwain32.exe
Token: SeDebugPrivilege	5088	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe

pid	Process
3096	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid	Process
5088	mstwain32.exe
5088	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exemstwain32.exe

description	pid	Process	procid_target
PID 3092 wrote to memory of 3096	3092	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe	83
PID 3092 wrote to memory of 3096	3092	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe	83
PID 3092 wrote to memory of 3096	3092	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe	83
PID 3092 wrote to memory of 3096	3092	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe	83
PID 3092 wrote to memory of 3096	3092	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe	83
PID 3096 wrote to memory of 2908	3096	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe	95
PID 3096 wrote to memory of 2908	3096	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe	95
PID 3096 wrote to memory of 2908	3096	9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe	95
PID 2908 wrote to memory of 5088	2908	mstwain32.exe	97
PID 2908 wrote to memory of 5088	2908	mstwain32.exe	97
PID 2908 wrote to memory of 5088	2908	mstwain32.exe	97
PID 2908 wrote to memory of 5088	2908	mstwain32.exe	97
PID 2908 wrote to memory of 5088	2908	mstwain32.exe	97

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

mstwain32.exe

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\9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3092
- C:\Users\Admin\AppData\Local\Temp\9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9810907e95734ebf3ef91f2a5d52cd2e_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 FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3096
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\9810907e95734ebf3ef91f2a5d52cd2e_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2908
  - - 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:5088

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4452

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
32KB

MD5
b62ac46d82fbc75b49561aebd8aca3ac

SHA1
6bcc654d87207077fd1a3b2ea5b8ca41394ea21c

SHA256
d2075b92334d3b039d9dc444600f49cb6d9445c5fc501896029aba24b2191655

SHA512
461a99e1d9a8b866ddc248e1b461b68662e594d36e0db3960774001b2e5d869f4f96341bf9f8f9081d85197a66b84504f1d3762a881d108bfac63985c45b069c

Download Submit
C:\Windows\mstwain32.exe

Filesize
480KB

MD5
9810907e95734ebf3ef91f2a5d52cd2e

SHA1
ba4d83ec78d94b41a1a819cd90d00dbf095edf9e

SHA256
1dcb2a3c7a813b156baec6ca1d1998762e3eeea45faf577b96d09a600717a3f3

SHA512
2ae0c5fda3ddcb9d3411f99a9d45335d34a19837bff8e688efc481af431030759e9c87506e8bd58660aaadf99457f318d84fea9d85fdbd14fff86d1599d77ef7

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2908-22-0x0000000063400000-0x000000006345F000-memory.dmp

Filesize
380KB

Download
memory/2908-23-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/2908-29-0x0000000063400000-0x000000006345F000-memory.dmp

Filesize
380KB

Download
memory/3092-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3092-5-0x0000000063400000-0x000000006345F000-memory.dmp

Filesize
380KB

Download
memory/3092-0-0x0000000063400000-0x000000006345F000-memory.dmp

Filesize
380KB

Download
memory/3096-7-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3096-6-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3096-9-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/3096-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3096-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3096-21-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5088-31-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5088-24-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5088-32-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5088-30-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5088-42-0x0000000002370000-0x000000000237E000-memory.dmp

Filesize
56KB

Download
memory/5088-27-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5088-44-0x0000000000980000-0x0000000000988000-memory.dmp

Filesize
32KB

Download
memory/5088-45-0x0000000002370000-0x000000000237E000-memory.dmp

Filesize
56KB

Download
memory/5088-46-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads