modiloader | d2bdfcbd19e9c70db357186951768147fbcab5d35b5d50227970f82be580bafa

General

Target

f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe
Size

133KB
MD5

f6be6cc8364e832245bf93672602c07a
SHA1

55b3be42fe7c16f7bc8171f1ec50bad27cfafa2b
SHA256

d2bdfcbd19e9c70db357186951768147fbcab5d35b5d50227970f82be580bafa
SHA512

7b36f6023d513b05c4b7502afe70ab79cf148be5129e74cf286f1cd79d9f5108cc4bf6a3576ee36d398169ad857b0b030c276be8d7bc6aa8eba67575d9dd3819
SSDEEP

3072:wz21bWvnGE5pbQ+47MBmfQF0h6wadsIRTmLYnju:LunzVzBmfAwadsmTmL1

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 17 IoCs

resource	yara_rule
behavioral1/memory/2896-28-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-39-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-40-0x0000000074AC0000-0x0000000074BB0000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-41-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-45-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-48-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-51-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-54-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-58-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-61-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-64-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-67-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-70-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-73-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-76-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-79-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-82-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2896	rst.exe
2188	mstwain32.exe

Loads dropped DLL 3 IoCs

pid	Process
3044	f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe
3044	f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe
2896	rst.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	rst.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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rst.exe	f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000016276-10.dat	upx
behavioral1/memory/3044-5-0x0000000000410000-0x0000000000460000-memory.dmp	upx
behavioral1/memory/2896-12-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2896-28-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-39-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-40-0x0000000074AC0000-0x0000000074BB0000-memory.dmp	upx
behavioral1/memory/2188-41-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-45-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-48-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-51-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-54-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-58-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-64-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-67-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-70-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-73-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-76-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-79-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-82-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	rst.exe
File opened for modification	C:\Windows\mstwain32.exe	rst.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 3 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	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rst.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	rst.exe
Token: SeBackupPrivilege	1824	vssvc.exe
Token: SeRestorePrivilege	1824	vssvc.exe
Token: SeAuditPrivilege	1824	vssvc.exe
Token: SeDebugPrivilege	2188	mstwain32.exe
Token: SeDebugPrivilege	2188	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2896	rst.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3044	f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe
2188	mstwain32.exe
2188	mstwain32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2896	3044	f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe	31
PID 3044 wrote to memory of 2896	3044	f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe	31
PID 3044 wrote to memory of 2896	3044	f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe	31
PID 3044 wrote to memory of 2896	3044	f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe	31
PID 2896 wrote to memory of 2188	2896	rst.exe	35
PID 2896 wrote to memory of 2188	2896	rst.exe	35
PID 2896 wrote to memory of 2188	2896	rst.exe	35
PID 2896 wrote to memory of 2188	2896	rst.exe	35

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\f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6be6cc8364e832245bf93672602c07a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\rst.exe
  C:\Windows\system32\rst.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Windows\SysWOW64\rst.exe"
    3⤵
    - UAC bypass
    - 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:2188

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1824

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\rst.exe

Filesize
109KB

MD5
bea15b95c94111c3bc36baf51281d0de

SHA1
e98b85c625efa54df274585370453bf1b2372840

SHA256
0c21e892d5b3bfa9a3d20fb14be1bae3c4b30dbf56b434b9827b1d09560ae1c8

SHA512
6757b0beac23db226c1169f4d69d8385d6a19f1148f1d3ad534ddb432dd202059b52b0d1deafee84dbdd8b491e1bad796adda04b62911298193f471f0e3d4fc6

Download Submit
memory/2188-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-76-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-40-0x0000000074AC0000-0x0000000074BB0000-memory.dmp

Filesize
960KB

Download
memory/2188-79-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-42-0x00000000002C0000-0x00000000002C8000-memory.dmp

Filesize
32KB

Download
memory/2188-73-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-41-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-33-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2188-34-0x00000000022F0000-0x00000000022FE000-memory.dmp

Filesize
56KB

Download
memory/2188-37-0x0000000074AC0000-0x0000000074BB0000-memory.dmp

Filesize
960KB

Download
memory/2188-36-0x0000000074AD0000-0x0000000074AD1000-memory.dmp

Filesize
4KB

Download
memory/2188-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-82-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-43-0x00000000022F0000-0x00000000022FE000-memory.dmp

Filesize
56KB

Download
memory/2188-44-0x0000000074AC0000-0x0000000074BB0000-memory.dmp

Filesize
960KB

Download
memory/2188-45-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-48-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-51-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-54-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2896-29-0x0000000003E00000-0x0000000003E50000-memory.dmp

Filesize
320KB

Download
memory/2896-38-0x0000000003E00000-0x0000000003E50000-memory.dmp

Filesize
320KB

Download
memory/2896-28-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2896-21-0x0000000003E00000-0x0000000003E10000-memory.dmp

Filesize
64KB

Download
memory/2896-14-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

Filesize
4KB

Download
memory/2896-13-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2896-12-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3044-11-0x0000000000410000-0x0000000000460000-memory.dmp

Filesize
320KB

Download
memory/3044-5-0x0000000000410000-0x0000000000460000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads