modiloader | f4fbc8f0207b8e5712d26b48beb98a69fba4cb8daf73a5ecd4fd37e2d06654a2

General

Target

e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe
Size

256KB
MD5

e5252f28dd915acf364188df9754d1c8
SHA1

84e9169fc1c538b5d2feaed4dff3f27744a2ba8c
SHA256

f4fbc8f0207b8e5712d26b48beb98a69fba4cb8daf73a5ecd4fd37e2d06654a2
SHA512

35272b914db7c010d2781531cb9bc1006ae4e58b21b8e76b71c4462f0cf17cf3d1345ea2da0a05a2bfbfb64676a3b23e5530dd4f844ab1183c9346d09c23e013
SSDEEP

6144:b532pcCJJvHnbdfKppBkmBzIc9uHM7smuzF1qm1B/c4HxrwpMOCCLI:sbJJvH5Spp+mhX917w3qmnckKMBCE

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 7 IoCs

resource	yara_rule
behavioral1/memory/1224-15-0x00000000035B0000-0x0000000003994000-memory.dmp	modiloader_stage2
behavioral1/memory/1224-13-0x0000000000400000-0x00000000007E4000-memory.dmp	modiloader_stage2
behavioral1/memory/1224-10-0x0000000000400000-0x00000000007E4000-memory.dmp	modiloader_stage2
behavioral1/memory/1224-25-0x00000000035B0000-0x0000000003994000-memory.dmp	modiloader_stage2
behavioral1/memory/1988-26-0x0000000000400000-0x00000000007E4000-memory.dmp	modiloader_stage2
behavioral1/memory/1988-31-0x0000000076920000-0x0000000076A10000-memory.dmp	modiloader_stage2
behavioral1/memory/1988-32-0x0000000076920000-0x0000000076A10000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
1988	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
1988	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-1-5-21-312935884-697965778-3955649944-1000\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	mstwain32.exe
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	e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	e5252f28dd915acf364188df9754d1c8_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 2 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	e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1224	e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe
Token: SeBackupPrivilege	2376	vssvc.exe
Token: SeRestorePrivilege	2376	vssvc.exe
Token: SeAuditPrivilege	2376	vssvc.exe
Token: SeDebugPrivilege	1988	mstwain32.exe
Token: SeDebugPrivilege	1988	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1988	mstwain32.exe
1988	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 1988	1224	e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe	34
PID 1224 wrote to memory of 1988	1224	e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe	34
PID 1224 wrote to memory of 1988	1224	e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe	34
PID 1224 wrote to memory of 1988	1224	e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe	34

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\e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe"
1⤵
- 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:1224
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e5252f28dd915acf364188df9754d1c8_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Deletes itself
  - 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:1988

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2376

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

System Information Discovery

2

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\mstwain32.exe

Filesize
256KB

MD5
e5252f28dd915acf364188df9754d1c8

SHA1
84e9169fc1c538b5d2feaed4dff3f27744a2ba8c

SHA256
f4fbc8f0207b8e5712d26b48beb98a69fba4cb8daf73a5ecd4fd37e2d06654a2

SHA512
35272b914db7c010d2781531cb9bc1006ae4e58b21b8e76b71c4462f0cf17cf3d1345ea2da0a05a2bfbfb64676a3b23e5530dd4f844ab1183c9346d09c23e013

Download Submit
memory/1224-0-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1224-1-0x0000000002290000-0x00000000023A0000-memory.dmp

Filesize
1.1MB

Download
memory/1224-5-0x0000000003470000-0x0000000003480000-memory.dmp

Filesize
64KB

Download
memory/1224-11-0x0000000002290000-0x00000000023A0000-memory.dmp

Filesize
1.1MB

Download
memory/1224-12-0x00000000035B0000-0x0000000003994000-memory.dmp

Filesize
3.9MB

Download
memory/1224-15-0x00000000035B0000-0x0000000003994000-memory.dmp

Filesize
3.9MB

Download
memory/1224-13-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1224-10-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1224-25-0x00000000035B0000-0x0000000003994000-memory.dmp

Filesize
3.9MB

Download
memory/1988-20-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1988-21-0x00000000021B0000-0x00000000021BE000-memory.dmp

Filesize
56KB

Download
memory/1988-23-0x0000000076930000-0x0000000076931000-memory.dmp

Filesize
4KB

Download
memory/1988-24-0x0000000076920000-0x0000000076A10000-memory.dmp

Filesize
960KB

Download
memory/1988-16-0x00000000022E0000-0x00000000023F0000-memory.dmp

Filesize
1.1MB

Download
memory/1988-26-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1988-27-0x00000000022E0000-0x00000000023F0000-memory.dmp

Filesize
1.1MB

Download
memory/1988-29-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/1988-30-0x00000000021B0000-0x00000000021BE000-memory.dmp

Filesize
56KB

Download
memory/1988-31-0x0000000076920000-0x0000000076A10000-memory.dmp

Filesize
960KB

Download
memory/1988-32-0x0000000076920000-0x0000000076A10000-memory.dmp

Filesize
960KB

Download
memory/1988-36-0x0000000076920000-0x0000000076A10000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads