modiloader | 199f5e5e91ce526d366a4c6b63988a8051f2dcb5a17b5360fa3a31122734576c

General

Target

d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe
Size

469KB
MD5

d8b1ee0781eb63734b00db3d31ee184a
SHA1

4fdc338738002328d2574f2806a55f6b3696c76e
SHA256

199f5e5e91ce526d366a4c6b63988a8051f2dcb5a17b5360fa3a31122734576c
SHA512

064056f2ebd643f0db5f4a6e0a3e326c5eed3f63bb38504a4a1f60bb27c1ff2691bbac432d38b88fcb1140a7284f7746428a2bc111ba1db57ebff5559be38724
SSDEEP

12288:jzzwe3oselbhHCciT/YIESXsLWdcfoYu8Afy8O:Twe3osefHCciT/YBScL/foiKO

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
Modiloader family
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 21 IoCs

resource	yara_rule
behavioral1/memory/2504-18-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2504-17-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2504-29-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-49-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-48-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-47-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-50-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-56-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-57-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-60-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-61-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-64-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-67-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-70-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-74-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-77-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-80-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-83-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-86-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-89-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-92-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2272	mstwain32.exe
1940	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-1-5-21-1488793075-819845221-1497111674-1000\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	d8b1ee0781eb63734b00db3d31ee184a_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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2488 set thread context of 2504	2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	31
PID 2272 set thread context of 1940	2272	mstwain32.exe	36

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2504-12-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2504-14-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2504-8-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2504-6-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2504-15-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2504-16-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2504-18-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2504-17-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2504-29-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-49-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-48-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-47-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-46-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-45-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-50-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-56-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-57-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-60-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-64-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-67-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-70-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-74-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-77-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-80-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-83-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-86-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-89-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1940-92-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	mstwain32.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	d8b1ee0781eb63734b00db3d31ee184a_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 4 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	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe
Token: SeBackupPrivilege	2732	vssvc.exe
Token: SeRestorePrivilege	2732	vssvc.exe
Token: SeAuditPrivilege	2732	vssvc.exe
Token: SeDebugPrivilege	1940	mstwain32.exe
Token: SeDebugPrivilege	1940	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe
2272	mstwain32.exe
1940	mstwain32.exe
1940	mstwain32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2504	2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2504	2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2504	2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2504	2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2504	2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2504	2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2504	2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2504	2488	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	31
PID 2504 wrote to memory of 2272	2504	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	35
PID 2504 wrote to memory of 2272	2504	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	35
PID 2504 wrote to memory of 2272	2504	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	35
PID 2504 wrote to memory of 2272	2504	d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe	35
PID 2272 wrote to memory of 1940	2272	mstwain32.exe	36
PID 2272 wrote to memory of 1940	2272	mstwain32.exe	36
PID 2272 wrote to memory of 1940	2272	mstwain32.exe	36
PID 2272 wrote to memory of 1940	2272	mstwain32.exe	36
PID 2272 wrote to memory of 1940	2272	mstwain32.exe	36
PID 2272 wrote to memory of 1940	2272	mstwain32.exe	36
PID 2272 wrote to memory of 1940	2272	mstwain32.exe	36
PID 2272 wrote to memory of 1940	2272	mstwain32.exe	36

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\d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Local\Temp\d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe"
  2⤵
  - 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:2504
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\d8b1ee0781eb63734b00db3d31ee184a_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2272
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      4⤵
      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:1940

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2732

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:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1488793075-819845221-1497111674-1000\88603cb2913a7df3fbd16b5f958e6447_18cc84e5-41c1-45e6-bdc9-06ff0c9e128a

Filesize
51B

MD5
5fc2ac2a310f49c14d195230b91a8885

SHA1
90855cc11136ba31758fe33b5cf9571f9a104879

SHA256
374e0e2897a7a82e0e44794cad89df0f3cdd7703886239c1fe06d625efd48092

SHA512
ab46554df9174b9fe9beba50a640f67534c3812f64d96a1fb8adfdc136dfe730ca2370825cd45b7f87a544d6a58dd868cb5a3a7f42e2789f6d679dbc0fdd52c3

Download Submit
C:\Windows\mstwain32.exe

Filesize
469KB

MD5
d8b1ee0781eb63734b00db3d31ee184a

SHA1
4fdc338738002328d2574f2806a55f6b3696c76e

SHA256
199f5e5e91ce526d366a4c6b63988a8051f2dcb5a17b5360fa3a31122734576c

SHA512
064056f2ebd643f0db5f4a6e0a3e326c5eed3f63bb38504a4a1f60bb27c1ff2691bbac432d38b88fcb1140a7284f7746428a2bc111ba1db57ebff5559be38724

Download Submit
memory/1940-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-49-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-92-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-89-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-50-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-86-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-83-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-54-0x0000000001F30000-0x0000000001F3E000-memory.dmp

Filesize
56KB

Download
memory/1940-80-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-56-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-77-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-48-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-47-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-46-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-45-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-74-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-58-0x0000000000370000-0x0000000000378000-memory.dmp

Filesize
32KB

Download
memory/1940-57-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1940-59-0x0000000001F30000-0x0000000001F3E000-memory.dmp

Filesize
56KB

Download
memory/1940-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-17-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-29-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-4-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2504-15-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-12-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-14-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-18-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-16-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2504-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads