modiloader | 98e02ed7ade12e35e3656a2fdf53c0c797dd17fa8cf1d6dd1de1af024479d5d3

General

Target

ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe
Size

313KB
MD5

ff43b396af235bfeef6dbee74fdacd7e
SHA1

f2f8069f8cbe29da1734fb26ffa4cc6bd63b65f1
SHA256

98e02ed7ade12e35e3656a2fdf53c0c797dd17fa8cf1d6dd1de1af024479d5d3
SHA512

c90dbaf195255097e4225d09db0697014cd2291f98993b2fc411fb3d585833ec7e0be252ce254f738bb80ad47909389bea8a74d53cbce70c1d3070698d7c568a
SSDEEP

6144:mG377xS2Vp2CeiorXhwTBN53nppcCJJvHPPoS:Fr7xS2Vp6FwT3bJJvHXoS

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 5 IoCs

resource	yara_rule
behavioral1/memory/1292-0-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/files/0x00060000000055cf-6.dat	modiloader_stage2
behavioral1/memory/1292-11-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1848-20-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1848-21-0x0000000076FE0000-0x00000000770D0000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
1848	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-1-5-21-3551809350-4263495960-1443967649-1000\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
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	ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1292-0-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/files/0x00060000000055cf-6.dat	upx
behavioral1/memory/1292-11-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1848-20-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1848-21-0x0000000076FE0000-0x00000000770D0000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.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	ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe
Token: SeBackupPrivilege	2304	vssvc.exe
Token: SeRestorePrivilege	2304	vssvc.exe
Token: SeAuditPrivilege	2304	vssvc.exe
Token: SeDebugPrivilege	1848	mstwain32.exe
Token: SeDebugPrivilege	1848	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1848	mstwain32.exe
1848	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1848	1292	ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe	34
PID 1292 wrote to memory of 1848	1292	ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe	34
PID 1292 wrote to memory of 1848	1292	ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe	34
PID 1292 wrote to memory of 1848	1292	ff43b396af235bfeef6dbee74fdacd7e_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\ff43b396af235bfeef6dbee74fdacd7e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff43b396af235bfeef6dbee74fdacd7e_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:1292
- 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:1848

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2304

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
313KB

MD5
ff43b396af235bfeef6dbee74fdacd7e

SHA1
f2f8069f8cbe29da1734fb26ffa4cc6bd63b65f1

SHA256
98e02ed7ade12e35e3656a2fdf53c0c797dd17fa8cf1d6dd1de1af024479d5d3

SHA512
c90dbaf195255097e4225d09db0697014cd2291f98993b2fc411fb3d585833ec7e0be252ce254f738bb80ad47909389bea8a74d53cbce70c1d3070698d7c568a

Download Submit
memory/1292-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1292-4-0x0000000002D70000-0x0000000002D80000-memory.dmp

Filesize
64KB

Download
memory/1292-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1292-9-0x0000000002FF0000-0x0000000003040000-memory.dmp

Filesize
320KB

Download
memory/1848-19-0x0000000076FE0000-0x00000000770D0000-memory.dmp

Filesize
960KB

Download
memory/1848-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1848-18-0x0000000076FF0000-0x0000000076FF1000-memory.dmp

Filesize
4KB

Download
memory/1848-16-0x0000000000580000-0x000000000058E000-memory.dmp

Filesize
56KB

Download
memory/1848-20-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1848-21-0x0000000076FE0000-0x00000000770D0000-memory.dmp

Filesize
960KB

Download
memory/1848-22-0x0000000000330000-0x0000000000338000-memory.dmp

Filesize
32KB

Download
memory/1848-23-0x0000000000580000-0x000000000058E000-memory.dmp

Filesize
56KB

Download
memory/1848-24-0x0000000076FE0000-0x00000000770D0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads