modiloader | f2311644a4da70d23deba274f987a10e79129438633c430ea3124d09047ba3c8

General

Target

d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe
Size

325KB
MD5

d7dc188169db1740c4e4ae959c378950
SHA1

874d89a929dbcf1103787f3c2d60319dea2e5689
SHA256

f2311644a4da70d23deba274f987a10e79129438633c430ea3124d09047ba3c8
SHA512

e9936eda9276058b411242a339845f56e98d14005fa1dfe9eb4bad85b60928685e65d1770e9ba3d0a84112c06e0d80ba41cc48350b5da77f09b5f90b4b1fa16c
SSDEEP

6144:rG377xS2Vp2CeiorXhwTBF53qpcCJJvHoNoS:ar7xS2Vp6FwTcbJJvHeoS

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"	Engine.exe

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/524-0-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral2/files/0x0003000000022cc6-6.dat	modiloader_stage2
behavioral2/memory/524-11-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral2/memory/1052-27-0x0000000000400000-0x0000000000454000-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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1052	Engine.exe

Executes dropped EXE 1 IoCs

pid	Process
1052	Engine.exe

Loads dropped DLL 4 IoCs

pid	Process
1052	Engine.exe
1052	Engine.exe
1052	Engine.exe
1052	Engine.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/524-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x0003000000022cc6-6.dat	upx
behavioral2/memory/524-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1052-27-0x0000000000400000-0x0000000000454000-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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Engine = "C:\\Windows\\Engine.exe"	Engine.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	d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Engine.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Engine.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\ntdtcstp.dll	Engine.exe
File created	C:\Windows\cmsetac.dll	Engine.exe
File created	C:\Windows\Engine.exe	d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe
File opened for modification	C:\Windows\Engine.exe	d7dc188169db1740c4e4ae959c378950_JaffaCakes118.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	d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Engine.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	524	d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe
Token: SeBackupPrivilege	2040	vssvc.exe
Token: SeRestorePrivilege	2040	vssvc.exe
Token: SeAuditPrivilege	2040	vssvc.exe
Token: SeDebugPrivilege	1052	Engine.exe
Token: SeDebugPrivilege	1052	Engine.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1052	Engine.exe
1052	Engine.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 1052	524	d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe	94
PID 524 wrote to memory of 1052	524	d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe	94
PID 524 wrote to memory of 1052	524	d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe	94

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"	Engine.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\d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d7dc188169db1740c4e4ae959c378950_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 WriteProcessMemory
PID:524
- C:\Windows\Engine.exe
  "C:\Windows\Engine.exe" \melt "C:\Users\Admin\AppData\Local\Temp\d7dc188169db1740c4e4ae959c378950_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Deletes itself
  - 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:1052

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2040

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\Engine.exe

Filesize
325KB

MD5
d7dc188169db1740c4e4ae959c378950

SHA1
874d89a929dbcf1103787f3c2d60319dea2e5689

SHA256
f2311644a4da70d23deba274f987a10e79129438633c430ea3124d09047ba3c8

SHA512
e9936eda9276058b411242a339845f56e98d14005fa1dfe9eb4bad85b60928685e65d1770e9ba3d0a84112c06e0d80ba41cc48350b5da77f09b5f90b4b1fa16c

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
d0013968c14b900d6f4beb08eed85253

SHA1
abf0e4ca883e479c13768cfa0ddb5284a145e4e1

SHA256
1afac5befe9761ae5e76bcc4b56be095806909de825f43a84d99f21e37c4ded9

SHA512
8f34952f207ff6a3bac02127e9a2d1d6a8419d81772cb24da9eddb634359185d1c2562836cdd612408c21ecb7e3b83ca6919ca69d6a1b93057e29f7591427a45

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/524-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/524-1-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/524-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1052-19-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/1052-23-0x00000000028F0000-0x00000000028FE000-memory.dmp

Filesize
56KB

Download
memory/1052-26-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/1052-27-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1052-28-0x0000000000650000-0x0000000000658000-memory.dmp

Filesize
32KB

Download
memory/1052-29-0x00000000028F0000-0x00000000028FE000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads