modiloader | af5cf325433398598924c87f4a2328566a92a333c8d677983f848911a3aca130

General

Target

bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe
Size

668KB
MD5

bf8ade64c16546f73f5b1aa99cdafb37
SHA1

1bde7614738dd428712d143a21b71d3610113fbb
SHA256

af5cf325433398598924c87f4a2328566a92a333c8d677983f848911a3aca130
SHA512

40c74d5e386dd04549b230baa1ee0c31e219dc903136f84d71c794ed91f555873a06b6150d66cb0ff5a026084bcfbfc44394d57017865a67e8f9a5963f92fcd1
SSDEEP

12288:1xTY3OiRSnYdsb+xYtsg12uasnniqhzuAhx3lmQHhu:1y3HRSnY+Q1EaMRhz3mu

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

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 23 IoCs

resource	yara_rule
behavioral2/memory/3408-6-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3408-7-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3408-8-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3408-23-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-30-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-31-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-32-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-44-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-45-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-48-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-49-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-52-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-55-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-58-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-61-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-64-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-67-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-70-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-73-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-76-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-79-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-82-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2348-85-0x0000000000400000-0x0000000000450000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4540	mstwain32.exe
2348	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
2348	mstwain32.exe
2348	mstwain32.exe
2348	mstwain32.exe
2348	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-1-5-21-940901362-3608833189-1915618603-1000\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 3408	1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	83
PID 4540 set thread context of 2348	4540	mstwain32.exe	88

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3408-4-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3408-5-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3408-6-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3408-7-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3408-8-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3408-23-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-30-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-31-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-29-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-32-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-44-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-45-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-48-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-49-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-52-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-55-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-58-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-64-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-67-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-70-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-73-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-76-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-79-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-82-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2348-85-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	bf8ade64c16546f73f5b1aa99cdafb37_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3408	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe
Token: SeBackupPrivilege	860	vssvc.exe
Token: SeRestorePrivilege	860	vssvc.exe
Token: SeAuditPrivilege	860	vssvc.exe
Token: SeDebugPrivilege	2348	mstwain32.exe
Token: SeDebugPrivilege	2348	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe
4540	mstwain32.exe
2348	mstwain32.exe
2348	mstwain32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 3408	1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	83
PID 1668 wrote to memory of 3408	1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	83
PID 1668 wrote to memory of 3408	1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	83
PID 1668 wrote to memory of 3408	1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	83
PID 1668 wrote to memory of 3408	1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	83
PID 1668 wrote to memory of 3408	1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	83
PID 1668 wrote to memory of 3408	1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	83
PID 1668 wrote to memory of 3408	1668	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	83
PID 3408 wrote to memory of 4540	3408	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	87
PID 3408 wrote to memory of 4540	3408	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	87
PID 3408 wrote to memory of 4540	3408	bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe	87
PID 4540 wrote to memory of 2348	4540	mstwain32.exe	88
PID 4540 wrote to memory of 2348	4540	mstwain32.exe	88
PID 4540 wrote to memory of 2348	4540	mstwain32.exe	88
PID 4540 wrote to memory of 2348	4540	mstwain32.exe	88
PID 4540 wrote to memory of 2348	4540	mstwain32.exe	88
PID 4540 wrote to memory of 2348	4540	mstwain32.exe	88
PID 4540 wrote to memory of 2348	4540	mstwain32.exe	88
PID 4540 wrote to memory of 2348	4540	mstwain32.exe	88

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

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\bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\bf8ade64c16546f73f5b1aa99cdafb37_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\bf8ade64c16546f73f5b1aa99cdafb37_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:3408
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\bf8ade64c16546f73f5b1aa99cdafb37_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:4540
  - - 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:2348

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:860

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

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
7dec4afba0ac9fd2878021522dc2749a

SHA1
c684c957a75a4beba7ce821954ab402e2e1f1fc7

SHA256
722fda29fca8b96a80772540a674b24bc428380cf1252796312ee36bc61c5f35

SHA512
d68514fe51b6b6eda547a79af1baed219c806da0d3375043600f17367b7438b98896ceb5dcf3e29015a86f9a9c18d1f9b901c7a592f8e3545afb78b799026b93

Download Submit
C:\Windows\mstwain32.exe

Filesize
668KB

MD5
bf8ade64c16546f73f5b1aa99cdafb37

SHA1
1bde7614738dd428712d143a21b71d3610113fbb

SHA256
af5cf325433398598924c87f4a2328566a92a333c8d677983f848911a3aca130

SHA512
40c74d5e386dd04549b230baa1ee0c31e219dc903136f84d71c794ed91f555873a06b6150d66cb0ff5a026084bcfbfc44394d57017865a67e8f9a5963f92fcd1

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2348-48-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-47-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/2348-85-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-46-0x0000000000870000-0x0000000000878000-memory.dmp

Filesize
32KB

Download
memory/2348-31-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-29-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-32-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-82-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-42-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/2348-79-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-49-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-45-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-76-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-73-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-30-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-44-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-52-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-55-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2348-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3408-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3408-7-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3408-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3408-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3408-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3408-23-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads