modiloader | 4544413fe80e2b9e7cda0c38e3ee1b6e7afae4a9f6aa555612b711e78b908734

General

Target

f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe
Size

200KB
MD5

f86118be19fedd46b59298317ca88a85
SHA1

0e40a37fec3ccae661bea3b7cdcf3a52d53ecf6c
SHA256

4544413fe80e2b9e7cda0c38e3ee1b6e7afae4a9f6aa555612b711e78b908734
SHA512

0e54b9fc78626c4fdea680b2cc44146fb6c45407b9cf4e828d4d3d9626c4966719b6183140b7fef2dfa266c83fa8d2fa725326745324b241262eaba0ba226c36
SSDEEP

3072:O4R2GQSSSey7Jbp0Xt4ClS87cH2ltaFx2YWg2QYl8sH4U9aE3yp1fm3nudE7GXLn:5Wk/WgxMg48zHwmm3d7GiE0E+K

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 6 IoCs

resource	yara_rule
behavioral2/memory/2680-3-0x0000000000400000-0x0000000001519000-memory.dmp	modiloader_stage2
behavioral2/memory/2680-5-0x0000000000400000-0x0000000001519000-memory.dmp	modiloader_stage2
behavioral2/memory/2680-20-0x0000000000400000-0x0000000001519000-memory.dmp	modiloader_stage2
behavioral2/memory/1976-24-0x0000000000400000-0x0000000001519000-memory.dmp	modiloader_stage2
behavioral2/memory/1976-25-0x0000000000400000-0x0000000001519000-memory.dmp	modiloader_stage2
behavioral2/memory/1976-39-0x0000000000400000-0x0000000001519000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3120	mstwain32.exe
1976	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
1976	mstwain32.exe
1976	mstwain32.exe
1976	mstwain32.exe
1976	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-1-5-21-786284298-625481688-3210388970-1000\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	f86118be19fedd46b59298317ca88a85_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 3960 set thread context of 2680	3960	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe	83
PID 3120 set thread context of 1976	3120	mstwain32.exe	88

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2680-1-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/2680-3-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/2680-2-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/2680-5-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/2680-20-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/1976-24-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/1976-25-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/1976-39-0x0000000000400000-0x0000000001519000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	f86118be19fedd46b59298317ca88a85_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	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f86118be19fedd46b59298317ca88a85_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	2680	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe
Token: SeBackupPrivilege	3636	vssvc.exe
Token: SeRestorePrivilege	3636	vssvc.exe
Token: SeAuditPrivilege	3636	vssvc.exe
Token: SeDebugPrivilege	1976	mstwain32.exe
Token: SeDebugPrivilege	1976	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1976	mstwain32.exe
1976	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 2680	3960	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe	83
PID 3960 wrote to memory of 2680	3960	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe	83
PID 3960 wrote to memory of 2680	3960	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe	83
PID 3960 wrote to memory of 2680	3960	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe	83
PID 3960 wrote to memory of 2680	3960	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe	83
PID 2680 wrote to memory of 3120	2680	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe	87
PID 2680 wrote to memory of 3120	2680	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe	87
PID 2680 wrote to memory of 3120	2680	f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe	87
PID 3120 wrote to memory of 1976	3120	mstwain32.exe	88
PID 3120 wrote to memory of 1976	3120	mstwain32.exe	88
PID 3120 wrote to memory of 1976	3120	mstwain32.exe	88
PID 3120 wrote to memory of 1976	3120	mstwain32.exe	88
PID 3120 wrote to memory of 1976	3120	mstwain32.exe	88

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\f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3960
- C:\Users\Admin\AppData\Local\Temp\f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f86118be19fedd46b59298317ca88a85_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:2680
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f86118be19fedd46b59298317ca88a85_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3120
  - - 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:1976

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3636

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\cmsetac.dll

Filesize
32KB

MD5
59f3b5023ba0c1903ab5495c916719b7

SHA1
46beb771e5b4bd2ba18f7cb41fe1deacc4e5858e

SHA256
79f7cc598909fa3cdd2e3ef2965234fda783e8ff5cdc60951c3ac59d1111e477

SHA512
4e94a56bca2ab9e3c55b9b9683d25a71caf0757f871d3b355474497f69bc9696adb5775077a6fedc70acf7b562638195b40e8e2c2082f3ba3b169f0717b75946

Download Submit
C:\Windows\mstwain32.exe

Filesize
200KB

MD5
f86118be19fedd46b59298317ca88a85

SHA1
0e40a37fec3ccae661bea3b7cdcf3a52d53ecf6c

SHA256
4544413fe80e2b9e7cda0c38e3ee1b6e7afae4a9f6aa555612b711e78b908734

SHA512
0e54b9fc78626c4fdea680b2cc44146fb6c45407b9cf4e828d4d3d9626c4966719b6183140b7fef2dfa266c83fa8d2fa725326745324b241262eaba0ba226c36

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1976-24-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/1976-39-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/1976-38-0x00000000041B0000-0x00000000041BE000-memory.dmp

Filesize
56KB

Download
memory/1976-37-0x00000000030F0000-0x00000000030F8000-memory.dmp

Filesize
32KB

Download
memory/1976-35-0x00000000041B0000-0x00000000041BE000-memory.dmp

Filesize
56KB

Download
memory/1976-25-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/2680-5-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/2680-20-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/2680-6-0x0000000001680000-0x0000000001681000-memory.dmp

Filesize
4KB

Download
memory/2680-2-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/2680-3-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/2680-1-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/3120-23-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3960-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads