modiloader | 35fa0a4baa9ad6b4697406d3e18acd6059039e573a8d5a7f8ebd1a4dc3635c63

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2024, 03:59

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General

Target

eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe
Size

449KB
MD5

eccd76f97b469d1c0c775c6f1cff5bd2
SHA1

9707716739cbe4fa0d8aa451a17d29a426562386
SHA256

35fa0a4baa9ad6b4697406d3e18acd6059039e573a8d5a7f8ebd1a4dc3635c63
SHA512

8656aa491786f070df740a7d7fa53e614b623dc0913f6a06cd3c0a265f1deded0189cdc0aa492b6a3298a87991887fe5ac55e9ff86d545e761a66001aa37eff5
SSDEEP

12288:4GL6z0KuPRgz3APITiKcsxqc/y3lpV9GEacV:4wCUg0AOKdqc/y3lpnXV

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

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 6 IoCs

resource	yara_rule
behavioral2/memory/2828-0-0x0000000000400000-0x000000000045F000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-2-0x0000000000400000-0x000000000045F000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-3-0x0000000000400000-0x000000000045F000-memory.dmp	modiloader_stage2
behavioral2/memory/3052-18-0x0000000000400000-0x000000000045F000-memory.dmp	modiloader_stage2
behavioral2/memory/3052-19-0x0000000000400000-0x000000000045F000-memory.dmp	modiloader_stage2
behavioral2/memory/3052-32-0x0000000000400000-0x000000000045F000-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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3280	mstwain32.exe
3052	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
3052	mstwain32.exe
3052	mstwain32.exe
3052	mstwain32.exe
3052	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-1-5-21-2718105630-359604950-2820636825-1000\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	eccd76f97b469d1c0c775c6f1cff5bd2_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 3168 set thread context of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3280 set thread context of 3052	3280	mstwain32.exe	90

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	eccd76f97b469d1c0c775c6f1cff5bd2_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	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eccd76f97b469d1c0c775c6f1cff5bd2_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	2828	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe
Token: SeBackupPrivilege	1316	vssvc.exe
Token: SeRestorePrivilege	1316	vssvc.exe
Token: SeAuditPrivilege	1316	vssvc.exe
Token: SeDebugPrivilege	3052	mstwain32.exe
Token: SeDebugPrivilege	3052	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3052	mstwain32.exe
3052	mstwain32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2828	3168	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	83
PID 2828 wrote to memory of 3280	2828	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	87
PID 2828 wrote to memory of 3280	2828	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	87
PID 2828 wrote to memory of 3280	2828	eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe	87
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90
PID 3280 wrote to memory of 3052	3280	mstwain32.exe	90

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\eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3168
- C:\Users\Admin\AppData\Local\Temp\eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eccd76f97b469d1c0c775c6f1cff5bd2_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:2828
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\eccd76f97b469d1c0c775c6f1cff5bd2_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3280
  - - 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:3052

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1316

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

Query Registry

T1012

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\cmsetac.dll

Filesize
33KB

MD5
0bb9494e8a0d15767302ecb655431932

SHA1
bd407abce808d40c2d6713abf8e30ee7e7d4535f

SHA256
3212f85d955347e8e98af548ecc3d7b349954b2f0b3ca60372a959395e5dadb3

SHA512
6d045d2fb994f8a5847f5de858f7b7b598b7c2b4093ef0d796e53ab8f40613a14817f1a04ec20e15a7d58473bcf8a9960e38fa0a8b4507e6a9920db1bea340ea

Download Submit
C:\Windows\mstwain32.exe

Filesize
449KB

MD5
eccd76f97b469d1c0c775c6f1cff5bd2

SHA1
9707716739cbe4fa0d8aa451a17d29a426562386

SHA256
35fa0a4baa9ad6b4697406d3e18acd6059039e573a8d5a7f8ebd1a4dc3635c63

SHA512
8656aa491786f070df740a7d7fa53e614b623dc0913f6a06cd3c0a265f1deded0189cdc0aa492b6a3298a87991887fe5ac55e9ff86d545e761a66001aa37eff5

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2828-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2828-3-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2828-0-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2828-12-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/3052-26-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/3052-18-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3052-19-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3052-30-0x0000000002360000-0x000000000236E000-memory.dmp

Filesize
56KB

Download
memory/3052-32-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3052-33-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/3052-34-0x0000000000930000-0x0000000000938000-memory.dmp

Filesize
32KB

Download
memory/3052-35-0x0000000002360000-0x000000000236E000-memory.dmp

Filesize
56KB

Download
memory/3168-1-0x0000000010000000-0x0000000010077000-memory.dmp

Filesize
476KB

Download
memory/3280-16-0x0000000010000000-0x0000000010077000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads