modiloader | af6573a43e28ad27399c233702005e6f9a4a93d42c5dd0a9a175f7073b715420

General

Target

d6e2f98f080ac56a392ebcadeb3a4394_JaffaCakes118.exe
Size

332KB
MD5

d6e2f98f080ac56a392ebcadeb3a4394
SHA1

2784134c43968d02f0e51034206d31c8e5940083
SHA256

af6573a43e28ad27399c233702005e6f9a4a93d42c5dd0a9a175f7073b715420
SHA512

17ed70e6993eec881c421f227c6b9a6987c0a0fbc05d3b1bb0e49d6e53d2cce8126019a0376a60a51c5b6a524da0a47fd734b72c25e154fd70803fa6e08341b7
SSDEEP

6144:sG377xS2Vp2CeiorXdwTBpL536pcCJJvHQ:nr7xS2Vp6RwTUbJJvH

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

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 6 IoCs

resource	yara_rule
behavioral1/memory/2808-0-0x0000000000400000-0x0000000000453000-memory.dmp	modiloader_stage2
behavioral1/files/0x000d000000012267-7.dat	modiloader_stage2
behavioral1/memory/2736-12-0x0000000000400000-0x0000000000453000-memory.dmp	modiloader_stage2
behavioral1/memory/2808-9-0x0000000000400000-0x0000000000453000-memory.dmp	modiloader_stage2
behavioral1/memory/2736-20-0x00000000766F0000-0x00000000767E0000-memory.dmp	modiloader_stage2
behavioral1/memory/2736-22-0x0000000000400000-0x0000000000453000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
2736	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	mstwain32.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-1-5-21-1488793075-819845221-1497111674-1000\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	d6e2f98f080ac56a392ebcadeb3a4394_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

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	d6e2f98f080ac56a392ebcadeb3a4394_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	d6e2f98f080ac56a392ebcadeb3a4394_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 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	d6e2f98f080ac56a392ebcadeb3a4394_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	d6e2f98f080ac56a392ebcadeb3a4394_JaffaCakes118.exe
Token: SeDebugPrivilege	2736	mstwain32.exe
Token: SeDebugPrivilege	2736	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2736	mstwain32.exe
2736	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2736	2808	d6e2f98f080ac56a392ebcadeb3a4394_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2736	2808	d6e2f98f080ac56a392ebcadeb3a4394_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2736	2808	d6e2f98f080ac56a392ebcadeb3a4394_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2736	2808	d6e2f98f080ac56a392ebcadeb3a4394_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"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\d6e2f98f080ac56a392ebcadeb3a4394_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d6e2f98f080ac56a392ebcadeb3a4394_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:2808
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\d6e2f98f080ac56a392ebcadeb3a4394_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:2736

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\mstwain32.exe

Filesize
332KB

MD5
d6e2f98f080ac56a392ebcadeb3a4394

SHA1
2784134c43968d02f0e51034206d31c8e5940083

SHA256
af6573a43e28ad27399c233702005e6f9a4a93d42c5dd0a9a175f7073b715420

SHA512
17ed70e6993eec881c421f227c6b9a6987c0a0fbc05d3b1bb0e49d6e53d2cce8126019a0376a60a51c5b6a524da0a47fd734b72c25e154fd70803fa6e08341b7

Download Submit
memory/2736-17-0x0000000001E80000-0x0000000001E8E000-memory.dmp

Filesize
56KB

Download
memory/2736-19-0x0000000076700000-0x0000000076701000-memory.dmp

Filesize
4KB

Download
memory/2736-25-0x0000000001E80000-0x0000000001E8E000-memory.dmp

Filesize
56KB

Download
memory/2736-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2736-24-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/2736-23-0x00000000766F0000-0x00000000767E0000-memory.dmp

Filesize
960KB

Download
memory/2736-22-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2736-20-0x00000000766F0000-0x00000000767E0000-memory.dmp

Filesize
960KB

Download
memory/2736-16-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2808-21-0x0000000003530000-0x0000000003583000-memory.dmp

Filesize
332KB

Download
memory/2808-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2808-4-0x0000000001E60000-0x0000000001E70000-memory.dmp

Filesize
64KB

Download
memory/2808-9-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2808-10-0x0000000003530000-0x0000000003583000-memory.dmp

Filesize
332KB

Download
memory/2808-1-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads