modiloader | 662b8612b403d2ae3261326807607846202bf8645d8a0025a7c7361f17291820

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 23 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2408-7-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2408-20-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-30-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-38-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-31-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-29-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-44-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-45-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-46-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-49-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-50-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-53-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-56-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-59-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-62-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-65-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-68-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-71-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-74-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-77-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-80-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-83-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3088-86-0x0000000000400000-0x0000000000450000-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

Processes:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid	Process
4112	mstwain32.exe
3088	mstwain32.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid	Process
3088	mstwain32.exe
3088	mstwain32.exe
3088	mstwain32.exe
3088	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-1-5-21-2045521122-590294423-3465680274-1000\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 4032 set thread context of 2408	4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	84
PID 4112 set thread context of 3088	4112	mstwain32.exe	92

UPX packed file 27 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2408-6-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2408-7-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2408-5-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2408-4-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2408-20-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-30-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-38-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-31-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-29-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-28-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-44-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-45-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-46-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-49-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-50-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-53-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-56-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-59-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-62-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-65-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-68-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-71-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-74-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-77-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-80-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-83-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3088-86-0x0000000000400000-0x0000000000450000-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	2408	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
Token: SeBackupPrivilege	2296	vssvc.exe
Token: SeRestorePrivilege	2296	vssvc.exe
Token: SeAuditPrivilege	2296	vssvc.exe
Token: SeDebugPrivilege	3088	mstwain32.exe
Token: SeDebugPrivilege	3088	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exemstwain32.exemstwain32.exe

pid	Process
4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
4112	mstwain32.exe
3088	mstwain32.exe
3088	mstwain32.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exemstwain32.exe

description	pid	Process	procid_target
PID 4032 wrote to memory of 2408	4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	84
PID 4032 wrote to memory of 2408	4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	84
PID 4032 wrote to memory of 2408	4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	84
PID 4032 wrote to memory of 2408	4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	84
PID 4032 wrote to memory of 2408	4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	84
PID 4032 wrote to memory of 2408	4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	84
PID 4032 wrote to memory of 2408	4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	84
PID 4032 wrote to memory of 2408	4032	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	84
PID 2408 wrote to memory of 4112	2408	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	91
PID 2408 wrote to memory of 4112	2408	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	91
PID 2408 wrote to memory of 4112	2408	82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe	91
PID 4112 wrote to memory of 3088	4112	mstwain32.exe	92
PID 4112 wrote to memory of 3088	4112	mstwain32.exe	92
PID 4112 wrote to memory of 3088	4112	mstwain32.exe	92
PID 4112 wrote to memory of 3088	4112	mstwain32.exe	92
PID 4112 wrote to memory of 3088	4112	mstwain32.exe	92
PID 4112 wrote to memory of 3088	4112	mstwain32.exe	92
PID 4112 wrote to memory of 3088	4112	mstwain32.exe	92
PID 4112 wrote to memory of 3088	4112	mstwain32.exe	92

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:4032
- C:\Users\Admin\AppData\Local\Temp\82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\82cd379ae2126f5197c7f7b2693b11d0_JaffaCakes118.exe"
  2⤵
  - 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:2408
- - 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:4112
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      4⤵
      UAC bypass
      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:3088

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2296

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

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
097ce5f84b28dadea7d4737f477256b1

SHA1
b7be44fe23b151de43207428291462f7f0dd9cbc

SHA256
5ce6aece7978299a9f772627f9bd53fa1e06a8d2d6cd9a561b126e813f4df1ef

SHA512
eeec69cac68bd5caa57ae59652032e12a173ceb5d0572cafec0b5d6700d317a7e9bd40823b86715b2299fbc55afc8de4844aa01d5255588b84b0bc26dd1bb226

Download Submit
C:\Windows\mstwain32.exe

Filesize
200KB

MD5
82cd379ae2126f5197c7f7b2693b11d0

SHA1
6e35576eaa760d02be474c0a992195a9cffd18a7

SHA256
662b8612b403d2ae3261326807607846202bf8645d8a0025a7c7361f17291820

SHA512
8eaf759f46d7c37d1c958207d79edbd08a4345754e588ec31e3d8b66c17cfcbd88ce6c1fd0e6406cb31f3c3a8d53082feff7687369d9d4f427337411f210e797

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2408-7-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2408-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2408-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2408-20-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2408-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-46-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-53-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-29-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-28-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-38-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-42-0x00000000023A0000-0x00000000023AE000-memory.dmp

Filesize
56KB

Download
memory/3088-44-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-45-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-30-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-48-0x00000000023A0000-0x00000000023AE000-memory.dmp

Filesize
56KB

Download
memory/3088-47-0x0000000000970000-0x0000000000978000-memory.dmp

Filesize
32KB

Download
memory/3088-49-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-50-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-31-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-56-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-71-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-74-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-77-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-80-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-83-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3088-86-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads