modiloader | cd3792e5cd0467e36b3ed21b74ae20759d256595efde4ffa865fbda8cea4a552

General

Target

fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe
Size

131KB
MD5

fad9e6e927f82a5cd29fa7369556c853
SHA1

aa09d650eec166d379a32ceca8ab155db59b59e1
SHA256

cd3792e5cd0467e36b3ed21b74ae20759d256595efde4ffa865fbda8cea4a552
SHA512

71cf3a02b1cc34f76a245bd7d465b1a545a225f7aef74c8d404f5d79e5e9627f103a7560f178fc1ad43dd8e64e9a764504555a2cc64fc282b28248cd5e2cd714
SSDEEP

3072:PLReQpyHCgiik6e8WgfBN2Mowh/FVIzVDZtYdzw/OCc:DEQpwiiXeTgfTVWDZtYdE/Rc

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 7 IoCs

resource	yara_rule
behavioral2/memory/4664-4-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4664-5-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/4664-16-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/2564-24-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/2564-23-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/2564-22-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral2/memory/2564-38-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1436	mstwain32.exe
2564	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
2564	mstwain32.exe
2564	mstwain32.exe
2564	mstwain32.exe
2564	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-1-5-21-4050598569-1597076380-177084960-1000\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	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4744 set thread context of 4664	4744	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe	82
PID 1436 set thread context of 2564	1436	mstwain32.exe	87

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4664-0-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4664-3-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4664-4-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4664-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4664-16-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2564-24-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2564-23-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2564-22-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2564-21-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/2564-38-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	fad9e6e927f82a5cd29fa7369556c853_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 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	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fad9e6e927f82a5cd29fa7369556c853_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	4664	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe
Token: SeBackupPrivilege	2480	vssvc.exe
Token: SeRestorePrivilege	2480	vssvc.exe
Token: SeAuditPrivilege	2480	vssvc.exe
Token: SeDebugPrivilege	2564	mstwain32.exe
Token: SeDebugPrivilege	2564	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2564	mstwain32.exe
2564	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 4664	4744	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe	82
PID 4744 wrote to memory of 4664	4744	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe	82
PID 4744 wrote to memory of 4664	4744	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe	82
PID 4744 wrote to memory of 4664	4744	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe	82
PID 4744 wrote to memory of 4664	4744	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe	82
PID 4664 wrote to memory of 1436	4664	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe	86
PID 4664 wrote to memory of 1436	4664	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe	86
PID 4664 wrote to memory of 1436	4664	fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe	86
PID 1436 wrote to memory of 2564	1436	mstwain32.exe	87
PID 1436 wrote to memory of 2564	1436	mstwain32.exe	87
PID 1436 wrote to memory of 2564	1436	mstwain32.exe	87
PID 1436 wrote to memory of 2564	1436	mstwain32.exe	87
PID 1436 wrote to memory of 2564	1436	mstwain32.exe	87

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\fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Users\Admin\AppData\Local\Temp\fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe
  2⤵
  - Checks computer location settings
  - 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:4664
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\fad9e6e927f82a5cd29fa7369556c853_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1436
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe
      4⤵
      UAC bypass
      Executes dropped EXE
      Loads dropped DLL
      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:2564

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2480

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

Query Registry

1

T1012

System Information Discovery

3

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\cmsetac.dll

Filesize
33KB

MD5
05396764a1c9d1968285251a16900e06

SHA1
16ccf1da530cdc1a5cf562873785a00fbf74b5ed

SHA256
88910f35b22d97ccef7b5b66ca407b0bf8b773920d42d1c7b712de3fd982d69c

SHA512
f571dae0ae0651518438d8864bf3eabfe199bc98b97a0beab5dd45f3b3b57da1178eedc72014a2bf39b95b033955e557dc635b752b9aebbfa5880b53cb497b00

Download Submit
C:\Windows\mstwain32.exe

Filesize
131KB

MD5
fad9e6e927f82a5cd29fa7369556c853

SHA1
aa09d650eec166d379a32ceca8ab155db59b59e1

SHA256
cd3792e5cd0467e36b3ed21b74ae20759d256595efde4ffa865fbda8cea4a552

SHA512
71cf3a02b1cc34f76a245bd7d465b1a545a225f7aef74c8d404f5d79e5e9627f103a7560f178fc1ad43dd8e64e9a764504555a2cc64fc282b28248cd5e2cd714

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1436-19-0x0000000000010000-0x0000000000038000-memory.dmp

Filesize
160KB

Download
memory/2564-21-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2564-22-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2564-39-0x0000000000870000-0x0000000000878000-memory.dmp

Filesize
32KB

Download
memory/2564-24-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2564-31-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/2564-40-0x0000000003120000-0x000000000312E000-memory.dmp

Filesize
56KB

Download
memory/2564-38-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2564-37-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

Filesize
4KB

Download
memory/2564-23-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2564-35-0x0000000003120000-0x000000000312E000-memory.dmp

Filesize
56KB

Download
memory/4664-3-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4664-0-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4664-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4664-16-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4664-14-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/4664-4-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4744-2-0x0000000000010000-0x0000000000038000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads