modiloader | abcef57a97b2a19a9f8df603bbfccc1e8557202b8d48b2b9216eb415e6b30928

General

Target

ec5d2979948319843d3848615048d215_JaffaCakes118.exe
Size

312KB
MD5

ec5d2979948319843d3848615048d215
SHA1

514b6ce9da6c6c190bdfa9d55246c33b06e8625c
SHA256

abcef57a97b2a19a9f8df603bbfccc1e8557202b8d48b2b9216eb415e6b30928
SHA512

0a38a71fca118d4e8a1b2517e1389c9c114732d3c9176a025ddcc75484fac4f879d815b30fa9f784f6425751deba30c4e86425518f5d45b9ef75901fe7af1df2
SSDEEP

6144:EG377xS2Vp2CeiorXhwTBN536pcCJJvHPBoS:/r7xS2Vp6FwTUbJJvHZoS

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
behavioral1/memory/2188-0-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2188-12-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/files/0x00060000000055d7-11.dat	modiloader_stage2
behavioral1/memory/2188-6-0x0000000002EB0000-0x0000000002F00000-memory.dmp	modiloader_stage2
behavioral1/memory/708-21-0x0000000075230000-0x0000000075320000-memory.dmp	modiloader_stage2
behavioral1/memory/708-22-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
708	mstwain32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2188-0-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2188-12-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/files/0x00060000000055d7-11.dat	upx
behavioral1/memory/2188-6-0x0000000002EB0000-0x0000000002F00000-memory.dmp	upx
behavioral1/memory/708-21-0x0000000075230000-0x0000000075320000-memory.dmp	upx
behavioral1/memory/708-22-0x0000000000400000-0x0000000000450000-memory.dmp	upx

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-1-5-21-3063565911-2056067323-3330884624-1000\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	ec5d2979948319843d3848615048d215_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

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	ec5d2979948319843d3848615048d215_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	ec5d2979948319843d3848615048d215_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 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	ec5d2979948319843d3848615048d215_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	ec5d2979948319843d3848615048d215_JaffaCakes118.exe
Token: SeBackupPrivilege	2956	vssvc.exe
Token: SeRestorePrivilege	2956	vssvc.exe
Token: SeAuditPrivilege	2956	vssvc.exe
Token: SeDebugPrivilege	708	mstwain32.exe
Token: SeDebugPrivilege	708	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
708	mstwain32.exe
708	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 708	2188	ec5d2979948319843d3848615048d215_JaffaCakes118.exe	33
PID 2188 wrote to memory of 708	2188	ec5d2979948319843d3848615048d215_JaffaCakes118.exe	33
PID 2188 wrote to memory of 708	2188	ec5d2979948319843d3848615048d215_JaffaCakes118.exe	33
PID 2188 wrote to memory of 708	2188	ec5d2979948319843d3848615048d215_JaffaCakes118.exe	33

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\ec5d2979948319843d3848615048d215_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec5d2979948319843d3848615048d215_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:2188
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe"
  2⤵
  - 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:708

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2956

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\mstwain32.exe

Filesize
312KB

MD5
ec5d2979948319843d3848615048d215

SHA1
514b6ce9da6c6c190bdfa9d55246c33b06e8625c

SHA256
abcef57a97b2a19a9f8df603bbfccc1e8557202b8d48b2b9216eb415e6b30928

SHA512
0a38a71fca118d4e8a1b2517e1389c9c114732d3c9176a025ddcc75484fac4f879d815b30fa9f784f6425751deba30c4e86425518f5d45b9ef75901fe7af1df2

Download Submit
memory/708-19-0x0000000075240000-0x0000000075241000-memory.dmp

Filesize
4KB

Download
memory/708-21-0x0000000075230000-0x0000000075320000-memory.dmp

Filesize
960KB

Download
memory/708-25-0x0000000000490000-0x000000000049E000-memory.dmp

Filesize
56KB

Download
memory/708-16-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/708-20-0x0000000075230000-0x0000000075320000-memory.dmp

Filesize
960KB

Download
memory/708-17-0x0000000000490000-0x000000000049E000-memory.dmp

Filesize
56KB

Download
memory/708-24-0x0000000000370000-0x0000000000378000-memory.dmp

Filesize
32KB

Download
memory/708-23-0x0000000075230000-0x0000000075320000-memory.dmp

Filesize
960KB

Download
memory/708-22-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-12-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2188-4-0x0000000002D70000-0x0000000002D80000-memory.dmp

Filesize
64KB

Download
memory/2188-6-0x0000000002EB0000-0x0000000002F00000-memory.dmp

Filesize
320KB

Download
memory/2188-10-0x0000000002EB0000-0x0000000002F00000-memory.dmp

Filesize
320KB

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

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads