modiloader | bd39a4f07a13eaef2e0f3fefda428c49051340ef36ac2257ef56b3724bdc2e14

General

Target

fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
Size

654KB
MD5

fd89448d9fe7f7d45b36413712fc5857
SHA1

0bc67e1c8fc000c9bf444fcd9d69b9a25992c5e5
SHA256

bd39a4f07a13eaef2e0f3fefda428c49051340ef36ac2257ef56b3724bdc2e14
SHA512

f93794556a6a1ce13d16a11f0931c7c82c13477ef282531bc423335226619432109425e336fea498ba1fe417732a30b257d9193ee429efdecb0294e60aa2a3a2
SSDEEP

12288:NHLUMuiv9RgfSjAzRty9jpJkT1uxp62KW8CcCzyU56RZv+HFkZdCOv:1tAR2XkEv8W8CcQy2U1VZdf

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 22 IoCs

resource	yara_rule
behavioral2/memory/4884-1-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4884-2-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4884-4-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4884-18-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-20-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-22-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-24-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-36-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-37-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-40-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-46-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-55-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-67-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-70-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4460-76-0x0000000000400000-0x000000000044B000-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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3452	mstwain32.exe
4460	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
4460	mstwain32.exe
4460	mstwain32.exe
4460	mstwain32.exe
4460	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-1-5-21-2170637797-568393320-3232933035-1000\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	fd89448d9fe7f7d45b36413712fc5857_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/4536-3-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral2/memory/3452-23-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3452 set thread context of 4460	3452	mstwain32.exe	94

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4536-0-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/4536-3-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/files/0x000400000001e0fc-9.dat	upx
behavioral2/memory/3452-17-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/3452-23-0x0000000000400000-0x00000000004E6000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	fd89448d9fe7f7d45b36413712fc5857_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	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd89448d9fe7f7d45b36413712fc5857_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	4884	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
Token: SeBackupPrivilege	3936	vssvc.exe
Token: SeRestorePrivilege	3936	vssvc.exe
Token: SeAuditPrivilege	3936	vssvc.exe
Token: SeDebugPrivilege	4460	mstwain32.exe
Token: SeDebugPrivilege	4460	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4460	mstwain32.exe
4460	mstwain32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4536 wrote to memory of 4884	4536	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	89
PID 4884 wrote to memory of 3452	4884	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	93
PID 4884 wrote to memory of 3452	4884	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	93
PID 4884 wrote to memory of 3452	4884	fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe	93
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94
PID 3452 wrote to memory of 4460	3452	mstwain32.exe	94

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\fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Users\Admin\AppData\Local\Temp\fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fd89448d9fe7f7d45b36413712fc5857_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:4884
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\fd89448d9fe7f7d45b36413712fc5857_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3452
  - - 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:4460

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3936

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4372,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=3868 /prefetch:8
1⤵
PID:4856

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
1b4e43f5653bd2c0f00fb09c95c56bd4

SHA1
d52d0e7331f125225c2fcf89f537e57455f34410

SHA256
d2d6dfc5b5db2ee0f5ee67734d013ff8ad93105b04fe3b7072b026c6e4dab661

SHA512
81575dde98f1a10a05b1a25d18b1547a9c03899ee0c8afb23cfdbb204d1421ef5442d12118217bbc9640b469dc93e015106df2e51f03e2ff4415713d9de59629

Download Submit
C:\Windows\mstwain32.exe

Filesize
654KB

MD5
fd89448d9fe7f7d45b36413712fc5857

SHA1
0bc67e1c8fc000c9bf444fcd9d69b9a25992c5e5

SHA256
bd39a4f07a13eaef2e0f3fefda428c49051340ef36ac2257ef56b3724bdc2e14

SHA512
f93794556a6a1ce13d16a11f0931c7c82c13477ef282531bc423335226619432109425e336fea498ba1fe417732a30b257d9193ee429efdecb0294e60aa2a3a2

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/3452-23-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3452-17-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4460-37-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-76-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-20-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-22-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-24-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-70-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-34-0x0000000000E30000-0x0000000000E3E000-memory.dmp

Filesize
56KB

Download
memory/4460-36-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-38-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/4460-39-0x0000000000E30000-0x0000000000E3E000-memory.dmp

Filesize
56KB

Download
memory/4460-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4460-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4536-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4536-3-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4884-18-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4884-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4884-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4884-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads