modiloader | 971c9ff8289a5b4dab6d4bc7f89416828a5292ef26a6e6ae0fabed9d03c4c0bf

General

Target

fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe
Size

310KB
MD5

fd227e5e5f9799009c8083cda973328f
SHA1

7ae40e2f914c11f08b7429b42e2b6033b377f518
SHA256

971c9ff8289a5b4dab6d4bc7f89416828a5292ef26a6e6ae0fabed9d03c4c0bf
SHA512

59fbb4bcab51bbbfb1fbdefba7533a75e80396eecdf33155b5379d64fbaebba9c83ebe5e99fb6848f24c100454b8299994e0d3717131297bfee8c8343c84993b
SSDEEP

6144:1G377xS2Vp2CeiorXhwTBN53LdpcCJJvHq0JoS:Yr7xS2Vp6FwTfbJJvHjJoS

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/1744-0-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/files/0x0009000000016a47-7.dat	modiloader_stage2
behavioral1/memory/828-21-0x0000000075AB0000-0x0000000075BA0000-memory.dmp	modiloader_stage2
behavioral1/memory/1744-13-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1744-10-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/828-23-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
828	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-1-5-21-3290804112-2823094203-3137964600-1000\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	fd227e5e5f9799009c8083cda973328f_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/1744-0-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/files/0x0009000000016a47-7.dat	upx
behavioral1/memory/1744-13-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1744-10-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/828-23-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	fd227e5e5f9799009c8083cda973328f_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	fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe
Token: SeDebugPrivilege	828	mstwain32.exe
Token: SeDebugPrivilege	828	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
828	mstwain32.exe
828	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 828	1744	fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe	30
PID 1744 wrote to memory of 828	1744	fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe	30
PID 1744 wrote to memory of 828	1744	fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe	30
PID 1744 wrote to memory of 828	1744	fd227e5e5f9799009c8083cda973328f_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\fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd227e5e5f9799009c8083cda973328f_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:1744
- 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:828

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
310KB

MD5
fd227e5e5f9799009c8083cda973328f

SHA1
7ae40e2f914c11f08b7429b42e2b6033b377f518

SHA256
971c9ff8289a5b4dab6d4bc7f89416828a5292ef26a6e6ae0fabed9d03c4c0bf

SHA512
59fbb4bcab51bbbfb1fbdefba7533a75e80396eecdf33155b5379d64fbaebba9c83ebe5e99fb6848f24c100454b8299994e0d3717131297bfee8c8343c84993b

Download Submit
memory/828-21-0x0000000075AB0000-0x0000000075BA0000-memory.dmp

Filesize
960KB

Download
memory/828-22-0x0000000075AB0000-0x0000000075BA0000-memory.dmp

Filesize
960KB

Download
memory/828-25-0x0000000001DB0000-0x0000000001DBE000-memory.dmp

Filesize
56KB

Download
memory/828-18-0x0000000001DB0000-0x0000000001DBE000-memory.dmp

Filesize
56KB

Download
memory/828-17-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/828-24-0x0000000000200000-0x0000000000208000-memory.dmp

Filesize
32KB

Download
memory/828-20-0x0000000075AC0000-0x0000000075AC1000-memory.dmp

Filesize
4KB

Download
memory/828-23-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1744-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1744-11-0x00000000033A0000-0x00000000033EF000-memory.dmp

Filesize
316KB

Download
memory/1744-10-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1744-5-0x0000000002280000-0x0000000002290000-memory.dmp

Filesize
64KB

Download
memory/1744-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1744-1-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads