modiloader | 662b8612b403d2ae3261326807607846202bf8645d8a0025a7c7361f17291820

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 11:21

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General

Target

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
Size

200KB
MD5

82cd379ae2126f5197c7f7b2693b11d0
SHA1

6e35576eaa760d02be474c0a992195a9cffd18a7
SHA256

662b8612b403d2ae3261326807607846202bf8645d8a0025a7c7361f17291820
SHA512

8eaf759f46d7c37d1c958207d79edbd08a4345754e588ec31e3d8b66c17cfcbd88ce6c1fd0e6406cb31f3c3a8d53082feff7687369d9d4f427337411f210e797
SSDEEP

3072:5Z028RmYEjfb8L/6QaYX0NMzXJou65V89V4VqmXvQSo4m:pT8h+YC5VumzYl

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 22 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2380-13-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-12-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2380-24-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-40-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-39-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-41-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-49-0x0000000075B80000-0x0000000075C70000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-50-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-51-0x0000000075B80000-0x0000000075C70000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-52-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-56-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-59-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-62-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-65-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-69-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-72-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-75-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-78-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-81-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-84-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-87-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2108-90-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid	Process
2208	mstwain32.exe
2108	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-1-5-21-312935884-697965778-3955649944-1000\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:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exemstwain32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	82cd379ae2126f5197c7f7b2693b11d0_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:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exemstwain32.exe

description	pid	Process	procid_target
PID 1328 set thread context of 2380	1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	30
PID 2208 set thread context of 2108	2208	mstwain32.exe	36

UPX packed file 28 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2380-8-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2380-10-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2380-5-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2380-4-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2380-11-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2380-13-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2380-12-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2380-24-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-38-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-37-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-40-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-39-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-41-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-49-0x0000000075B80000-0x0000000075C70000-memory.dmp	upx
behavioral1/memory/2108-50-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-52-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-56-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-59-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-62-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-65-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-69-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-72-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-75-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-78-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-81-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-84-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-87-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2108-90-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

Processes:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exemstwain32.exe

description	ioc	Process
File created	C:\Windows\mstwain32.exe	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	82cd379ae2126f5197c7f7b2693b11d0_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:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exemstwain32.exemstwain32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	Process
Token: SeDebugPrivilege	2380	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
Token: SeBackupPrivilege	1740	vssvc.exe
Token: SeRestorePrivilege	1740	vssvc.exe
Token: SeAuditPrivilege	1740	vssvc.exe
Token: SeDebugPrivilege	2108	mstwain32.exe
Token: SeDebugPrivilege	2108	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exemstwain32.exemstwain32.exe

pid	Process
1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
2208	mstwain32.exe
2108	mstwain32.exe
2108	mstwain32.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exemstwain32.exe

description	pid	Process	procid_target
PID 1328 wrote to memory of 2380	1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	30
PID 1328 wrote to memory of 2380	1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	30
PID 1328 wrote to memory of 2380	1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	30
PID 1328 wrote to memory of 2380	1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	30
PID 1328 wrote to memory of 2380	1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	30
PID 1328 wrote to memory of 2380	1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	30
PID 1328 wrote to memory of 2380	1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	30
PID 1328 wrote to memory of 2380	1328	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2208	2380	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	35
PID 2380 wrote to memory of 2208	2380	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	35
PID 2380 wrote to memory of 2208	2380	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	35
PID 2380 wrote to memory of 2208	2380	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	35
PID 2208 wrote to memory of 2108	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2108	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2108	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2108	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2108	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2108	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2108	2208	mstwain32.exe	36
PID 2208 wrote to memory of 2108	2208	mstwain32.exe	36

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\82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Users\Admin\AppData\Local\Temp\82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe"
  2⤵
  - 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:2380
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2208
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      4⤵
      UAC bypass
      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:2108

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
200KB

MD5
82cd379ae2126f5197c7f7b2693b11d0

SHA1
6e35576eaa760d02be474c0a992195a9cffd18a7

SHA256
662b8612b403d2ae3261326807607846202bf8645d8a0025a7c7361f17291820

SHA512
8eaf759f46d7c37d1c958207d79edbd08a4345754e588ec31e3d8b66c17cfcbd88ce6c1fd0e6406cb31f3c3a8d53082feff7687369d9d4f427337411f210e797

Download Submit
memory/2108-48-0x0000000075B90000-0x0000000075B91000-memory.dmp

Filesize
4KB

Download
memory/2108-87-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-90-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-49-0x0000000075B80000-0x0000000075C70000-memory.dmp

Filesize
960KB

Download
memory/2108-50-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-84-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-81-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-78-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-75-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-72-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-38-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-37-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-40-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-41-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-45-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2108-46-0x0000000000550000-0x000000000055E000-memory.dmp

Filesize
56KB

Download
memory/2108-69-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-52-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-51-0x0000000075B80000-0x0000000075C70000-memory.dmp

Filesize
960KB

Download
memory/2108-55-0x0000000075B80000-0x0000000075C70000-memory.dmp

Filesize
960KB

Download
memory/2108-54-0x0000000000550000-0x000000000055E000-memory.dmp

Filesize
56KB

Download
memory/2108-53-0x00000000003C0000-0x00000000003C8000-memory.dmp

Filesize
32KB

Download
memory/2108-56-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2108-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2380-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2380-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2380-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2380-24-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2380-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2380-12-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2380-13-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2380-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2380-2-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2380-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download