modiloader | 2a56a0dc1691808fd1523db7a52271d1a890881a6fd85f3730620cec2be5f5ae

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 00:25

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General

Target

f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
Size

202KB
MD5

f4c801197de3e87c0d42bade9db7750c
SHA1

d91c03b14ed4202fbeaadfdfe9c4d1e48a78d5b3
SHA256

2a56a0dc1691808fd1523db7a52271d1a890881a6fd85f3730620cec2be5f5ae
SHA512

50b2f1aae9ac8d1978ab3c81ec79c893ab7cec304b39df8f6d3217c4ae242370ed8a9f835e2a0e6f534ab7b04cd51622a16ff88321828e912299e1dd132cb79b
SSDEEP

3072:zHxgphwaBxt/z/7hbSX5HwETInWDMPzpociWjPiHm4zNJ3r+H0lxRxmbhiAi7n1a:DxihtBxtLTAOnIM7poci3/zf+sMNiFVe

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

Modifies security service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	mstwain32.exe

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 18 IoCs

resource	yara_rule
behavioral1/memory/1728-14-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1728-21-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1728-12-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1728-10-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1728-7-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1728-4-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1728-16-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1728-22-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/1728-29-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2792-50-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2792-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2792-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2792-59-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2792-62-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2792-65-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2792-68-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2792-71-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral1/memory/2792-75-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2456	mstwain32.exe
2792	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-1-5-21-3290804112-2823094203-3137964600-1000\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	f4c801197de3e87c0d42bade9db7750c_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

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2428 set thread context of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2456 set thread context of 2792	2456	mstwain32.exe	47

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	f4c801197de3e87c0d42bade9db7750c_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 12 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	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
Token: SeBackupPrivilege	2864	vssvc.exe
Token: SeRestorePrivilege	2864	vssvc.exe
Token: SeAuditPrivilege	2864	vssvc.exe
Token: SeDebugPrivilege	2792	mstwain32.exe
Token: SeDebugPrivilege	2792	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2792	mstwain32.exe
2792	mstwain32.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 1664	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	30
PID 2428 wrote to memory of 1664	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	30
PID 2428 wrote to memory of 1664	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	30
PID 2428 wrote to memory of 1664	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	30
PID 2428 wrote to memory of 3028	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	32
PID 2428 wrote to memory of 3028	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	32
PID 2428 wrote to memory of 3028	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	32
PID 2428 wrote to memory of 3028	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	32
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 2428 wrote to memory of 1728	2428	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	34
PID 1664 wrote to memory of 1160	1664	net.exe	35
PID 1664 wrote to memory of 1160	1664	net.exe	35
PID 1664 wrote to memory of 1160	1664	net.exe	35
PID 1664 wrote to memory of 1160	1664	net.exe	35
PID 3028 wrote to memory of 2344	3028	net.exe	36
PID 3028 wrote to memory of 2344	3028	net.exe	36
PID 3028 wrote to memory of 2344	3028	net.exe	36
PID 3028 wrote to memory of 2344	3028	net.exe	36
PID 1728 wrote to memory of 2456	1728	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	40
PID 1728 wrote to memory of 2456	1728	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	40
PID 1728 wrote to memory of 2456	1728	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	40
PID 1728 wrote to memory of 2456	1728	f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe	40
PID 2456 wrote to memory of 788	2456	mstwain32.exe	41
PID 2456 wrote to memory of 788	2456	mstwain32.exe	41
PID 2456 wrote to memory of 788	2456	mstwain32.exe	41
PID 2456 wrote to memory of 788	2456	mstwain32.exe	41
PID 2456 wrote to memory of 1704	2456	mstwain32.exe	43
PID 2456 wrote to memory of 1704	2456	mstwain32.exe	43
PID 2456 wrote to memory of 1704	2456	mstwain32.exe	43
PID 2456 wrote to memory of 1704	2456	mstwain32.exe	43
PID 788 wrote to memory of 1128	788	net.exe	45
PID 788 wrote to memory of 1128	788	net.exe	45
PID 788 wrote to memory of 1128	788	net.exe	45
PID 788 wrote to memory of 1128	788	net.exe	45
PID 1704 wrote to memory of 2176	1704	net.exe	46
PID 1704 wrote to memory of 2176	1704	net.exe	46
PID 1704 wrote to memory of 2176	1704	net.exe	46
PID 1704 wrote to memory of 2176	1704	net.exe	46
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47
PID 2456 wrote to memory of 2792	2456	mstwain32.exe	47

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\f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe"
1⤵
- Modifies security service
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\net.exe
  "C:\Windows\System32\net.exe" stop wscsvc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1160
- C:\Windows\SysWOW64\net.exe
  "C:\Windows\System32\net.exe" stop SharedAccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2344
- C:\Users\Admin\AppData\Local\Temp\f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f4c801197de3e87c0d42bade9db7750c_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:1728
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Modifies security service
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2456
  - - C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop wscsvc
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:788
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop wscsvc
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1128
  - - C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop SharedAccess
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1704
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop SharedAccess
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2176
  - - 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:2792

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2864

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

Create or Modify System Process

T1543

Windows Service

T1543.003

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

Create or Modify System Process

T1543

Windows Service

T1543.003

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

Network Share Discovery

T1135

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
202KB

MD5
f4c801197de3e87c0d42bade9db7750c

SHA1
d91c03b14ed4202fbeaadfdfe9c4d1e48a78d5b3

SHA256
2a56a0dc1691808fd1523db7a52271d1a890881a6fd85f3730620cec2be5f5ae

SHA512
50b2f1aae9ac8d1978ab3c81ec79c893ab7cec304b39df8f6d3217c4ae242370ed8a9f835e2a0e6f534ab7b04cd51622a16ff88321828e912299e1dd132cb79b

Download Submit
memory/1728-29-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-12-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-0-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1728-16-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-22-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1728-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2428-20-0x0000000000400000-0x0000000000439090-memory.dmp

Filesize
228KB

Download
memory/2456-51-0x0000000000400000-0x0000000000439090-memory.dmp

Filesize
228KB

Download
memory/2792-60-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/2792-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2792-56-0x0000000001F40000-0x0000000001F4E000-memory.dmp

Filesize
56KB

Download
memory/2792-75-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2792-59-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2792-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2792-61-0x0000000001F40000-0x0000000001F4E000-memory.dmp

Filesize
56KB

Download
memory/2792-62-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2792-65-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2792-68-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2792-71-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2792-50-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads