modiloader | f4199919be88334675a18ec131c1ffe65690a1e0b725e3d44a9244af7b2353b1

Analysis

max time kernel
143s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/11/2024, 13:53

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General

Target

a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe
Size

188KB
MD5

a8274fe687be6f6bbb3ff0ce2bb02747
SHA1

4cb7570be4ef478bce408b3a9d441ec8e805f4e4
SHA256

f4199919be88334675a18ec131c1ffe65690a1e0b725e3d44a9244af7b2353b1
SHA512

530571ae5ca0bab3aa75f72dbee1aa2bab6dac3fca3a9abde80cab028b70b394e092459af270e4a38e95bd2ffdb2612c46dd311171726e9b4197fa498158dffe
SSDEEP

3072:LMeTnBZXXA98/MUB6Tj/rm1NkYg0JH2qq7d2LeadFraelSk6sDtFYuFZd966lH:LRnBZXw9lr/dP0Byx2e49l36sDrY6O6t

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
behavioral1/memory/2720-12-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2720-13-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2720-24-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-41-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-40-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-39-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-49-0x0000000077020000-0x0000000077110000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-50-0x0000000077020000-0x0000000077110000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-51-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-52-0x0000000077020000-0x0000000077110000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-53-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-57-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-60-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-63-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-66-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-70-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-73-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-76-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-79-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-82-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-85-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-88-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2996-91-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2292	mstwain32.exe
2996	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-1-5-21-2872745919-2748461613-2989606286-1000\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	a8274fe687be6f6bbb3ff0ce2bb02747_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

description	pid	Process	procid_target
PID 2736 set thread context of 2720	2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	30
PID 2292 set thread context of 2996	2292	mstwain32.exe	35

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2720-8-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-10-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-5-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-4-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-11-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-12-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-13-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2720-24-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-41-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-40-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-39-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-38-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-37-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-49-0x0000000077020000-0x0000000077110000-memory.dmp	upx
behavioral1/memory/2996-51-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-52-0x0000000077020000-0x0000000077110000-memory.dmp	upx
behavioral1/memory/2996-53-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-57-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-60-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-63-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-66-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-70-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-73-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-76-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-79-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-82-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-85-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-88-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2996-91-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.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	a8274fe687be6f6bbb3ff0ce2bb02747_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	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe
Token: SeBackupPrivilege	2696	vssvc.exe
Token: SeRestorePrivilege	2696	vssvc.exe
Token: SeAuditPrivilege	2696	vssvc.exe
Token: SeDebugPrivilege	2996	mstwain32.exe
Token: SeDebugPrivilege	2996	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe
2292	mstwain32.exe
2996	mstwain32.exe
2996	mstwain32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2720	2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2720	2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2720	2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2720	2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2720	2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2720	2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2720	2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	30
PID 2736 wrote to memory of 2720	2736	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2292	2720	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	34
PID 2720 wrote to memory of 2292	2720	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	34
PID 2720 wrote to memory of 2292	2720	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	34
PID 2720 wrote to memory of 2292	2720	a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe	34
PID 2292 wrote to memory of 2996	2292	mstwain32.exe	35
PID 2292 wrote to memory of 2996	2292	mstwain32.exe	35
PID 2292 wrote to memory of 2996	2292	mstwain32.exe	35
PID 2292 wrote to memory of 2996	2292	mstwain32.exe	35
PID 2292 wrote to memory of 2996	2292	mstwain32.exe	35
PID 2292 wrote to memory of 2996	2292	mstwain32.exe	35
PID 2292 wrote to memory of 2996	2292	mstwain32.exe	35
PID 2292 wrote to memory of 2996	2292	mstwain32.exe	35

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\a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\a8274fe687be6f6bbb3ff0ce2bb02747_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a8274fe687be6f6bbb3ff0ce2bb02747_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:2720
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\a8274fe687be6f6bbb3ff0ce2bb02747_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:2292
  - - 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:2996

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2696

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
188KB

MD5
a8274fe687be6f6bbb3ff0ce2bb02747

SHA1
4cb7570be4ef478bce408b3a9d441ec8e805f4e4

SHA256
f4199919be88334675a18ec131c1ffe65690a1e0b725e3d44a9244af7b2353b1

SHA512
530571ae5ca0bab3aa75f72dbee1aa2bab6dac3fca3a9abde80cab028b70b394e092459af270e4a38e95bd2ffdb2612c46dd311171726e9b4197fa498158dffe

Download Submit
memory/2720-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-2-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-12-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-13-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2720-24-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-49-0x0000000077020000-0x0000000077110000-memory.dmp

Filesize
960KB

Download
memory/2996-54-0x0000000001C80000-0x0000000001C88000-memory.dmp

Filesize
32KB

Download
memory/2996-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-38-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-37-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-45-0x0000000001C70000-0x0000000001C71000-memory.dmp

Filesize
4KB

Download
memory/2996-46-0x0000000002430000-0x000000000243E000-memory.dmp

Filesize
56KB

Download
memory/2996-41-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-48-0x0000000077030000-0x0000000077031000-memory.dmp

Filesize
4KB

Download
memory/2996-50-0x0000000077020000-0x0000000077110000-memory.dmp

Filesize
960KB

Download
memory/2996-51-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-52-0x0000000077020000-0x0000000077110000-memory.dmp

Filesize
960KB

Download
memory/2996-53-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-40-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-55-0x0000000002430000-0x000000000243E000-memory.dmp

Filesize
56KB

Download
memory/2996-56-0x0000000077020000-0x0000000077110000-memory.dmp

Filesize
960KB

Download
memory/2996-57-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-73-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-76-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-79-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-82-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-85-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-88-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2996-91-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads