modiloader | d942d1b6773fb255f2cab884bf4271650642ba9bbbe8d246553957d1fc3c4e69

General

Target

f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe
Size

312KB
MD5

f90999d31a642ab5ab465c7e1c661ef8
SHA1

a2ab0236e781b5c6ecaf17f4836c1007911f9276
SHA256

d942d1b6773fb255f2cab884bf4271650642ba9bbbe8d246553957d1fc3c4e69
SHA512

9f0cca75d1cf7d08a030e8b7e270c30a015a4868a3e40a7299dd5ade9f7a05c77443184fc1da462b8ae809707eaaa4e7bcb02990ec51bd0178756246d9d4bfcf
SSDEEP

6144:DG377xS2Vp2CeiorXdwTBgWZ53V/ybLXpcCJJvH4:yr7xS2Vp6RwTys/ybLXbJJvH

Score

10^/10

modiloader discovery evasion persistence trojan

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"	iexplorerss.exe

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001225e-5.dat	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
1036	iexplorerss.exe

Executes dropped EXE 1 IoCs

pid	Process
1036	iexplorerss.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\iexplorerss1 = "C:\\Windows\\iexplorerss.exe"	iexplorerss.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	iexplorerss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	iexplorerss.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\iexplorerss.exe	f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe
File opened for modification	C:\Windows\iexplorerss.exe	f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	iexplorerss.exe
File created	C:\Windows\cmsetac.dll	iexplorerss.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	f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplorerss.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe
Token: SeDebugPrivilege	1036	iexplorerss.exe
Token: SeDebugPrivilege	1036	iexplorerss.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1036	iexplorerss.exe
1036	iexplorerss.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1036	1760	f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe	30
PID 1760 wrote to memory of 1036	1760	f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe	30
PID 1760 wrote to memory of 1036	1760	f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe	30
PID 1760 wrote to memory of 1036	1760	f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe	30

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"	iexplorerss.exe

C:\Users\Admin\AppData\Local\Temp\f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe"
1⤵
- 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:1760
- C:\Windows\iexplorerss.exe
  "C:\Windows\iexplorerss.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f90999d31a642ab5ab465c7e1c661ef8_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Deletes itself
  - 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:1036

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

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Downloads

C:\Windows\iexplorerss.exe

Filesize
312KB

MD5
f90999d31a642ab5ab465c7e1c661ef8

SHA1
a2ab0236e781b5c6ecaf17f4836c1007911f9276

SHA256
d942d1b6773fb255f2cab884bf4271650642ba9bbbe8d246553957d1fc3c4e69

SHA512
9f0cca75d1cf7d08a030e8b7e270c30a015a4868a3e40a7299dd5ade9f7a05c77443184fc1da462b8ae809707eaaa4e7bcb02990ec51bd0178756246d9d4bfcf

Download Submit
memory/1036-12-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1036-13-0x0000000000630000-0x000000000063E000-memory.dmp

Filesize
56KB

Download
memory/1036-15-0x0000000075710000-0x0000000075711000-memory.dmp

Filesize
4KB

Download
memory/1036-16-0x0000000075700000-0x00000000757F0000-memory.dmp

Filesize
960KB

Download
memory/1036-17-0x00000000002D0000-0x00000000002D8000-memory.dmp

Filesize
32KB

Download
memory/1036-18-0x0000000000630000-0x000000000063E000-memory.dmp

Filesize
56KB

Download
memory/1036-19-0x0000000075700000-0x00000000757F0000-memory.dmp

Filesize
960KB

Download
memory/1760-0-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads