modiloader | 41431474bc761c28c6d6a1d903b3fb523c8d383032b2d10cf74df0d20229cf3d

General

Target

e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe
Size

1.3MB
MD5

e36b5ca136805c9b6ca817be8e864d76
SHA1

c82fc61efe4f53197f8b706abdcbdf30cdfafe1f
SHA256

41431474bc761c28c6d6a1d903b3fb523c8d383032b2d10cf74df0d20229cf3d
SHA512

d35210836168cc3862e1d0717564c078bbac5bd182cf5a8c9465764d6e47345333210329e8b0ac7d7d3a39e967d8da491a7fa655bafb9250d59e092a93366fa5
SSDEEP

24576:5SVjJXq5R8zVifDiUfLSNZy1pWF/qyNGwWv0OT:eJXq5RXuNZSa/zNGwW5T

Score

10^/10

modiloader discovery evasion 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"	msgms.exe

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/4988-0-0x0000000000400000-0x0000000000555000-memory.dmp	modiloader_stage2
behavioral2/files/0x000400000001db44-6.dat	modiloader_stage2
behavioral2/memory/4988-12-0x0000000000400000-0x0000000000555000-memory.dmp	modiloader_stage2
behavioral2/memory/3992-29-0x0000000000400000-0x0000000000555000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3992	msgms.exe

Executes dropped EXE 1 IoCs

pid	Process
3992	msgms.exe

Loads dropped DLL 4 IoCs

pid	Process
3992	msgms.exe
3992	msgms.exe
3992	msgms.exe
3992	msgms.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	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	msgms.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	msgms.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4988-0-0x0000000000400000-0x0000000000555000-memory.dmp	upx
behavioral2/files/0x000400000001db44-6.dat	upx
behavioral2/memory/4988-12-0x0000000000400000-0x0000000000555000-memory.dmp	upx
behavioral2/memory/3992-29-0x0000000000400000-0x0000000000555000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\msgms.exe	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe
File opened for modification	C:\Windows\msgms.exe	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe
File created	C:\Windows\olecstp.dll	msgms.exe
File created	C:\Windows\oletac.dll	msgms.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	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msgms.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4988	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe
Token: SeBackupPrivilege	1248	vssvc.exe
Token: SeRestorePrivilege	1248	vssvc.exe
Token: SeAuditPrivilege	1248	vssvc.exe
Token: SeDebugPrivilege	3992	msgms.exe
Token: SeDebugPrivilege	3992	msgms.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4988	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3992	msgms.exe
3992	msgms.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 3992	4988	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe	86
PID 4988 wrote to memory of 3992	4988	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe	86
PID 4988 wrote to memory of 3992	4988	e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe	86

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"	msgms.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\e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe"
1⤵
- 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:4988
- C:\Windows\msgms.exe
  "C:\Windows\msgms.exe" \erit "C:\Users\Admin\AppData\Local\Temp\e36b5ca136805c9b6ca817be8e864d76_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - 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:3992

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

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\msgms.exe

Filesize
1.3MB

MD5
e36b5ca136805c9b6ca817be8e864d76

SHA1
c82fc61efe4f53197f8b706abdcbdf30cdfafe1f

SHA256
41431474bc761c28c6d6a1d903b3fb523c8d383032b2d10cf74df0d20229cf3d

SHA512
d35210836168cc3862e1d0717564c078bbac5bd182cf5a8c9465764d6e47345333210329e8b0ac7d7d3a39e967d8da491a7fa655bafb9250d59e092a93366fa5

Download Submit
C:\Windows\olecstp.dll

Filesize
7KB

MD5
1dad779c593c4035cb561d169b6be16f

SHA1
65a0b1f1ac4370641d14e1ba5ccd876a30cba021

SHA256
1270daf11f40457b84a183a0956ccb46433847040ddbd6ee3711785bc1cf8159

SHA512
015c0205b626ed92c9e29e7cb09e3efdfd992e119acd30e6070bc63361187280b30241ec1e7da5c02b7f42562c7e2ec836d7355ad459c22880081f4764f3c642

Download Submit
C:\Windows\oletac.dll

Filesize
33KB

MD5
55363ca71ba35507820a94732c84f170

SHA1
34a5eba0997b78788604f72099caf2aa309d95fc

SHA256
2b7b2093f36bafc75426a18b6b1d939e7c411ffe335474f09448f85ddf8916e9

SHA512
2ab927dd0a22431ac245b7ee2e3d10cb49def38daf22712204f0f3b2b6dd3a00c4c331f10bac17b45c9fdaf276bf85c1d9852a5d623d243b886df214315ec13b

Download Submit
memory/3992-21-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/3992-25-0x00000000036C0000-0x00000000036CE000-memory.dmp

Filesize
56KB

Download
memory/3992-28-0x0000000003570000-0x0000000003571000-memory.dmp

Filesize
4KB

Download
memory/3992-29-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/3992-30-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/3992-31-0x00000000036C0000-0x00000000036CE000-memory.dmp

Filesize
56KB

Download
memory/4988-0-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download
memory/4988-1-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/4988-12-0x0000000000400000-0x0000000000555000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads