modiloader | 7b809c92eb4d809a1f90b2cae4fc28ce663e75efcfbce6157e6e3d79cfe95b46

General

Target

fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Size

205KB
MD5

fb3a64eee0a680115aecee90e6d0e6c8
SHA1

97468fa90cde829f599bc361b85faa3bd738fbdb
SHA256

7b809c92eb4d809a1f90b2cae4fc28ce663e75efcfbce6157e6e3d79cfe95b46
SHA512

0956d35e290b8492af522e71cfed6a1a69ef1b21e55d900f36c2b742cac24183630a22300ac67c7295d65530ed1a83804e4e0d79cec9a3ab50a9b900244b8ca6
SSDEEP

6144:L1hpQBG4/HtxdbCNQPpAk4hfde8tTpo4pUAGM:hhY/jtCkSfdJtTpoM

Score

10^/10

modiloader defense_evasion discovery persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral1/memory/2256-12-0x0000000000400000-0x000000000046E000-memory.dmp	modiloader_stage2
behavioral1/memory/604-13-0x0000000000410000-0x000000000047F000-memory.dmp	modiloader_stage2
behavioral1/memory/604-15-0x0000000000410000-0x000000000047F000-memory.dmp	modiloader_stage2
behavioral1/memory/604-17-0x0000000000410000-0x000000000047F000-memory.dmp	modiloader_stage2

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\netrt\Parameters\ServiceDll = "C:\\Windows\\System32\\sysn.dll"	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00070000000194ad-8.dat	acprotect

Deletes itself 1 IoCs

pid	Process
2352	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
604	svchost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sysn.dll	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\sysn.dll	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00070000000194ad-8.dat	upx
behavioral1/memory/604-10-0x0000000000410000-0x000000000047F000-memory.dmp	upx
behavioral1/memory/604-13-0x0000000000410000-0x000000000047F000-memory.dmp	upx
behavioral1/memory/604-15-0x0000000000410000-0x000000000047F000-memory.dmp	upx
behavioral1/memory/604-17-0x0000000000410000-0x000000000047F000-memory.dmp	upx

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	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeBackupPrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeBackupPrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
Token: SeRestorePrivilege	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2352	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe	32
PID 2256 wrote to memory of 2352	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe	32
PID 2256 wrote to memory of 2352	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe	32
PID 2256 wrote to memory of 2352	2256	fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\fb3a64eee0a680115aecee90e6d0e6c8_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2352

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k network
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

System Information Discovery

1

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\sysn.dll

Filesize
156KB

MD5
fd7ff3a505fff9cc75116db3f741ca2e

SHA1
eba74aa61621284b7a175e27047359481bad62e7

SHA256
44b0885b14c66f550633b47cb60535722b8e9d0690b02bc8a2fd0e9d0a304cda

SHA512
f98727b9ac0ee6579149ea4f05cedaa76a9314396819f392c3e72f25c39f186f847952383e725a898366c721d4d37874c289fc7cf2d4e9c1594b573130f28b73

Download Submit
memory/604-10-0x0000000000410000-0x000000000047F000-memory.dmp

Filesize
444KB

Download
memory/604-13-0x0000000000410000-0x000000000047F000-memory.dmp

Filesize
444KB

Download
memory/604-15-0x0000000000410000-0x000000000047F000-memory.dmp

Filesize
444KB

Download
memory/604-17-0x0000000000410000-0x000000000047F000-memory.dmp

Filesize
444KB

Download
memory/2256-0-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2256-1-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2256-2-0x000000000043A000-0x000000000046D000-memory.dmp

Filesize
204KB

Download
memory/2256-11-0x000000000043A000-0x000000000046D000-memory.dmp

Filesize
204KB

Download
memory/2256-12-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing