modiloader | 33c1e0adde545acf8c2b4209ae967baef4eff5da413a7097cec92fb2826d251a

General

Target

f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe
Size

124KB
MD5

f7c77323e5753ee1aca7201f88912fec
SHA1

7b98256fedd0923412e19c28302324dac8d1806c
SHA256

33c1e0adde545acf8c2b4209ae967baef4eff5da413a7097cec92fb2826d251a
SHA512

23a70e294f7c3cecfe5c5db6a8e08ccb765714e78d7fecbcbb9be658060285bea2ed34eab031440d57d2de61b81a1b9707ef14696c158d1fb19bef642d3b5aa5
SSDEEP

3072:S5NHAXq3CCf0ftKzHZmc6lTRLvp5RfGQR8HFSNW5wtQw/b:SXAXqyCcftA6lTRD7RfL/Nv9j

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 18 IoCs

resource	yara_rule
behavioral1/memory/2780-9-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-30-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2780-22-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-38-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-39-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-42-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-45-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-48-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-51-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-55-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-58-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-61-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-64-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-67-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-70-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-73-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-76-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2516-79-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
3020	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2780	68096.exe
2516	mstwain32.exe

Loads dropped DLL 1 IoCs

pid	Process
2780	68096.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-1-5-21-1846800975-3917212583-2893086201-1000\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	68096.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b000000012282-7.dat	upx
behavioral1/memory/2780-9-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-30-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2780-22-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-38-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-39-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-42-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-45-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-48-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-51-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-55-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-58-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-64-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-67-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-70-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-73-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-76-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2516-79-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	68096.exe
File opened for modification	C:\Windows\mstwain32.exe	68096.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe

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	68096.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1504	taskkill.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	68096.exe
Token: SeBackupPrivilege	2824	vssvc.exe
Token: SeRestorePrivilege	2824	vssvc.exe
Token: SeAuditPrivilege	2824	vssvc.exe
Token: SeDebugPrivilege	2516	mstwain32.exe
Token: SeDebugPrivilege	2516	mstwain32.exe
Token: SeDebugPrivilege	1504	taskkill.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2516	mstwain32.exe
2516	mstwain32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2780	3052	f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe	31
PID 3052 wrote to memory of 2780	3052	f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe	31
PID 3052 wrote to memory of 2780	3052	f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe	31
PID 3052 wrote to memory of 2780	3052	f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe	31
PID 2780 wrote to memory of 2516	2780	68096.exe	35
PID 2780 wrote to memory of 2516	2780	68096.exe	35
PID 2780 wrote to memory of 2516	2780	68096.exe	35
PID 2780 wrote to memory of 2516	2780	68096.exe	35
PID 3052 wrote to memory of 3020	3052	f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe	36
PID 3052 wrote to memory of 3020	3052	f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe	36
PID 3052 wrote to memory of 3020	3052	f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe	36
PID 3020 wrote to memory of 1504	3020	cmd.exe	38
PID 3020 wrote to memory of 1504	3020	cmd.exe	38
PID 3020 wrote to memory of 1504	3020	cmd.exe	38

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\f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\68096.exe
  "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\68096.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - 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:2780
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\68096.exe"
    3⤵
    - 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:2516
- C:\Windows\system32\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\melt.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\system32\taskkill.exe
    TASKKILL /F /T /IM AlxStub
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1504

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2824

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

1

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\Local\Microsoft\Windows\Temporary Internet Files\68096.exe

Filesize
109KB

MD5
beeec4c4b4e20f4e3e4dd365a2c74ee3

SHA1
98d57478ac10d3beeb5a5bf9d7afe6f569d16aa2

SHA256
0f5e001f02fad260fda2eabd2b96c8b15531c49ada3d15308a1016e2b9de6cdd

SHA512
c46f2e243f7d621afb0f93a872b77a6641df9998467fa289659129d2c0ef1ac2fa1ab7eb15676181184bdb45ccb6ce2d2b6d0e0b6be9adb5467d5777ddf16e86

Download Submit
C:\Users\Admin\AppData\Local\Temp\melt.bat

Filesize
120B

MD5
c54d0ecbba4e17acda40da806057f24b

SHA1
0ddae0fb78c763fdfb62c87cc2d5ded9d520ca23

SHA256
415f9811167a728ef060b1391d8ba1a35496fab0208e5feaf122468412374f44

SHA512
3c16bc911da618ae5eb3fb713513d1be97e669ba83e231c12f78f9f733457eb93758beea3e5881224a97c8719f50f0a1ccf4df445aa7440c6d5436947e71b740

Download Submit
memory/2516-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-51-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-42-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-45-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-30-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-41-0x0000000000560000-0x000000000056E000-memory.dmp

Filesize
56KB

Download
memory/2516-34-0x0000000000560000-0x000000000056E000-memory.dmp

Filesize
56KB

Download
memory/2516-38-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-40-0x0000000000300000-0x0000000000308000-memory.dmp

Filesize
32KB

Download
memory/2516-79-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-73-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-76-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-48-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-55-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2516-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2780-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2780-15-0x0000000002D70000-0x0000000002D80000-memory.dmp

Filesize
64KB

Download
memory/2780-22-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3052-36-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/3052-0-0x000007FEF511E000-0x000007FEF511F000-memory.dmp

Filesize
4KB

Download
memory/3052-6-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/3052-8-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads