modiloader | b0a253f704d3522eb4d60d13775b18ba5d209a14ee07f72d5eb36644d59d0d33

General

Target

eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe
Size

312KB
MD5

eb234d27f4a4c94e53e9cdcf61658c8f
SHA1

b7daaaeb7a7c58b4dfe45119716852d082b0624f
SHA256

b0a253f704d3522eb4d60d13775b18ba5d209a14ee07f72d5eb36644d59d0d33
SHA512

8675d3fef535c2eb2a8e26ba1409fda7d7a0c8d68c42bd29a5b900f4887a995d297478d3c1d0eadbfbd0142091aada82e77ee3eee12d234257eb47ad75c24917
SSDEEP

6144:ZG377xS2Vp2CeiorXhwTBN53lpcCJJvHPsIoS:sr7xS2Vp6FwTnbJJvHDoS

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 7 IoCs

resource	yara_rule
behavioral1/memory/2496-0-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2496-4-0x00000000003D0000-0x00000000003E0000-memory.dmp	modiloader_stage2
behavioral1/files/0x000a00000001227e-6.dat	modiloader_stage2
behavioral1/memory/2496-10-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2376-12-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2496-11-0x0000000002B20000-0x0000000002B70000-memory.dmp	modiloader_stage2
behavioral1/memory/2376-22-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
2376	mstwain32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2496-0-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2496-4-0x00000000003D0000-0x00000000003E0000-memory.dmp	upx
behavioral1/files/0x000a00000001227e-6.dat	upx
behavioral1/memory/2496-10-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2376-12-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2496-11-0x0000000002B20000-0x0000000002B70000-memory.dmp	upx
behavioral1/memory/2376-22-0x0000000000400000-0x0000000000450000-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-1-5-21-2872745919-2748461613-2989606286-1000\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	eb234d27f4a4c94e53e9cdcf61658c8f_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 created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	eb234d27f4a4c94e53e9cdcf61658c8f_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	eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe
Token: SeDebugPrivilege	2376	mstwain32.exe
Token: SeDebugPrivilege	2376	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2376	mstwain32.exe
2376	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2376	2496	eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 2376	2496	eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 2376	2496	eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 2376	2496	eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe	30

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

C:\Users\Admin\AppData\Local\Temp\eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb234d27f4a4c94e53e9cdcf61658c8f_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:2496
- 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: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

Replay Monitor

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Downloads

C:\Windows\mstwain32.exe

Filesize
312KB

MD5
eb234d27f4a4c94e53e9cdcf61658c8f

SHA1
b7daaaeb7a7c58b4dfe45119716852d082b0624f

SHA256
b0a253f704d3522eb4d60d13775b18ba5d209a14ee07f72d5eb36644d59d0d33

SHA512
8675d3fef535c2eb2a8e26ba1409fda7d7a0c8d68c42bd29a5b900f4887a995d297478d3c1d0eadbfbd0142091aada82e77ee3eee12d234257eb47ad75c24917

Download Submit
memory/2376-20-0x0000000076790000-0x0000000076880000-memory.dmp

Filesize
960KB

Download
memory/2376-12-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2376-16-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2376-19-0x00000000767A0000-0x00000000767A1000-memory.dmp

Filesize
4KB

Download
memory/2376-17-0x0000000000740000-0x000000000074E000-memory.dmp

Filesize
56KB

Download
memory/2376-22-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2376-23-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/2376-24-0x0000000000740000-0x000000000074E000-memory.dmp

Filesize
56KB

Download
memory/2496-4-0x00000000003D0000-0x00000000003E0000-memory.dmp

Filesize
64KB

Download
memory/2496-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2496-11-0x0000000002B20000-0x0000000002B70000-memory.dmp

Filesize
320KB

Download
memory/2496-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2496-21-0x0000000002B20000-0x0000000002B70000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads