modiloader | 86e081d6a53f031a5a94e8f1232b20112f6fd32fda92657496ca5cb8636a571b

General

Target

fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe
Size

594KB
MD5

fbf0117d59bcb70d08decb0c0b422bd1
SHA1

1685029c8e957419989d44a111dcb2d2bcf9e6e7
SHA256

86e081d6a53f031a5a94e8f1232b20112f6fd32fda92657496ca5cb8636a571b
SHA512

615fc8f2d66a7c6e2986726681e95efd1107469deeddb27074502597f36fe7679785372fdcfc184c58957ac9230c118c9fccb46a29201dfe79b09213ff79d1d6
SSDEEP

12288:DBMmKGnhDT+JlCraEFmgOExT1uxp62KW8CcCzyU56RZv+HFkZpCO9:9MmnDC+rPnBxEv8W8CcQy2U1VZpt

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

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/3248-1-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3248-2-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3248-3-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3248-5-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3248-6-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3248-21-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-25-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-27-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-40-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-46-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-55-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-67-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-70-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-76-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-79-0x0000000000400000-0x000000000044B000-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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1624	mstwain32.exe
2828	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
2828	mstwain32.exe
2828	mstwain32.exe
2828	mstwain32.exe
2828	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-1-5-21-355097885-2402257403-2971294179-1000\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	fbf0117d59bcb70d08decb0c0b422bd1_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

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3232-4-0x0000000000400000-0x00000000004C9000-memory.dmp	autoit_exe
behavioral2/memory/1624-26-0x0000000000400000-0x00000000004C9000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3232 set thread context of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 1624 set thread context of 2828	1624	mstwain32.exe	89

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3232-0-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/3232-4-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/files/0x000800000002346b-11.dat	upx
behavioral2/memory/1624-26-0x0000000000400000-0x00000000004C9000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	fbf0117d59bcb70d08decb0c0b422bd1_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	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fbf0117d59bcb70d08decb0c0b422bd1_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

description	pid	Process
Token: SeDebugPrivilege	3248	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe
Token: SeBackupPrivilege	3724	vssvc.exe
Token: SeRestorePrivilege	3724	vssvc.exe
Token: SeAuditPrivilege	3724	vssvc.exe
Token: SeDebugPrivilege	2828	mstwain32.exe
Token: SeDebugPrivilege	2828	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2828	mstwain32.exe
2828	mstwain32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3232 wrote to memory of 3248	3232	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	82
PID 3248 wrote to memory of 1624	3248	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	88
PID 3248 wrote to memory of 1624	3248	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	88
PID 3248 wrote to memory of 1624	3248	fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe	88
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89
PID 1624 wrote to memory of 2828	1624	mstwain32.exe	89

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\fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Users\Admin\AppData\Local\Temp\fbf0117d59bcb70d08decb0c0b422bd1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fbf0117d59bcb70d08decb0c0b422bd1_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:3248
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1624
  - - 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:2828

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3724

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
87743e1a192fe13c069bfe90c0eb2c8d

SHA1
553a856290883b7ef19251f4733d62ae4004b796

SHA256
5d93c77368f519b65c2429cbf130efb946cd27c9ae5e03ab33e488090b9f2caf

SHA512
54d8f5d696c2aa24d22432098ecfcc95fd5310571e6ebfa6bff672d690a829f829d7a7e5a23e038c54a00617ce7080f60d081977d5f58d3eef56c486838add3e

Download Submit
C:\Windows\mstwain32.exe

Filesize
594KB

MD5
fbf0117d59bcb70d08decb0c0b422bd1

SHA1
1685029c8e957419989d44a111dcb2d2bcf9e6e7

SHA256
86e081d6a53f031a5a94e8f1232b20112f6fd32fda92657496ca5cb8636a571b

SHA512
615fc8f2d66a7c6e2986726681e95efd1107469deeddb27074502597f36fe7679785372fdcfc184c58957ac9230c118c9fccb46a29201dfe79b09213ff79d1d6

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1624-26-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2828-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-41-0x00000000001E0000-0x00000000001E8000-memory.dmp

Filesize
32KB

Download
memory/2828-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-76-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-25-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-70-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-27-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-37-0x0000000003500000-0x000000000350E000-memory.dmp

Filesize
56KB

Download
memory/2828-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-42-0x0000000003500000-0x000000000350E000-memory.dmp

Filesize
56KB

Download
memory/2828-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2828-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3232-0-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3232-4-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3248-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3248-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3248-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3248-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3248-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3248-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads