modiloader | 1e53550c64c1c35be5ae9c335657f4aaced11eca6332b814876a9afaf72876fd

General

Target

deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe
Size

196KB
MD5

deeb865e044f79431bb0bd75c3108201
SHA1

e66a0a303210a6ecf814973b1e64c2631bbd6cff
SHA256

1e53550c64c1c35be5ae9c335657f4aaced11eca6332b814876a9afaf72876fd
SHA512

4a9f4db1a601a00b72ce326c1a75150d55bdce4c393ede54b342355363df35c82e6bc1c63b75ebdd431c275fa31738ffe8ca4de37c99993a8f0e8e925efb067b
SSDEEP

3072:HOHfdCXs6cegaeRFIiNdgn9/2PKezInkCGQLqmwVtFXh9wcPN0:H4Z6ce+giwqKecLqmwVtZh9wcF0

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 3 IoCs

resource	yara_rule
behavioral2/memory/2944-9-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/1328-25-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/1328-26-0x0000000000400000-0x000000000044F000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1328	mstwain32.exe

Executes dropped EXE 2 IoCs

pid	Process
1892	mstwain32.exe
1328	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
1328	mstwain32.exe
1328	mstwain32.exe
1328	mstwain32.exe
1328	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-1-5-21-2437139445-1151884604-3026847218-1000\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	deeb865e044f79431bb0bd75c3108201_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 4452 set thread context of 2944	4452	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe	83
PID 1892 set thread context of 1328	1892	mstwain32.exe	88

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2944-3-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2944-8-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2944-9-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1328-21-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1328-24-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1328-25-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1328-26-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	deeb865e044f79431bb0bd75c3108201_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	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	deeb865e044f79431bb0bd75c3108201_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	2944	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe
Token: SeBackupPrivilege	2972	vssvc.exe
Token: SeRestorePrivilege	2972	vssvc.exe
Token: SeAuditPrivilege	2972	vssvc.exe
Token: SeDebugPrivilege	1328	mstwain32.exe
Token: SeDebugPrivilege	1328	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1328	mstwain32.exe
1328	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 2944	4452	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe	83
PID 4452 wrote to memory of 2944	4452	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe	83
PID 4452 wrote to memory of 2944	4452	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe	83
PID 4452 wrote to memory of 2944	4452	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe	83
PID 4452 wrote to memory of 2944	4452	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe	83
PID 2944 wrote to memory of 1892	2944	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe	87
PID 2944 wrote to memory of 1892	2944	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe	87
PID 2944 wrote to memory of 1892	2944	deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe	87
PID 1892 wrote to memory of 1328	1892	mstwain32.exe	88
PID 1892 wrote to memory of 1328	1892	mstwain32.exe	88
PID 1892 wrote to memory of 1328	1892	mstwain32.exe	88
PID 1892 wrote to memory of 1328	1892	mstwain32.exe	88
PID 1892 wrote to memory of 1328	1892	mstwain32.exe	88

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\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_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:2944
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1892
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe \melt "C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe"
      4⤵
      UAC bypass
      Deletes itself
      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:1328

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2972

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
232036a76935e50dfbea6ee8b9bd8fe1

SHA1
04309bc4a364fddb3918d23955cef504712fb32a

SHA256
4cdd31696cd3f7acc7d701e1a23edecbe43ded45720bde902cce2c370ba6b64f

SHA512
2f7e77a8c926f2f831fbe6d26def3799517c2d9be9d289302db1a39f0a51dcdb2cad960a29fa9b58cb9cd2f2bc0da0ddcf31b7047e620ad2aa889023f2973fe4

Download Submit
C:\Windows\mstwain32.exe

Filesize
196KB

MD5
deeb865e044f79431bb0bd75c3108201

SHA1
e66a0a303210a6ecf814973b1e64c2631bbd6cff

SHA256
1e53550c64c1c35be5ae9c335657f4aaced11eca6332b814876a9afaf72876fd

SHA512
4a9f4db1a601a00b72ce326c1a75150d55bdce4c393ede54b342355363df35c82e6bc1c63b75ebdd431c275fa31738ffe8ca4de37c99993a8f0e8e925efb067b

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1328-36-0x0000000003250000-0x000000000325E000-memory.dmp

Filesize
56KB

Download
memory/1328-25-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1328-41-0x0000000003250000-0x000000000325E000-memory.dmp

Filesize
56KB

Download
memory/1328-40-0x0000000002150000-0x0000000002158000-memory.dmp

Filesize
32KB

Download
memory/1328-26-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1328-21-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1328-24-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1892-38-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/1892-20-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/2944-3-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2944-9-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2944-8-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4452-6-0x000000000061A000-0x000000000062E000-memory.dmp

Filesize
80KB

Download
memory/4452-2-0x000000000061A000-0x000000000062E000-memory.dmp

Filesize
80KB

Download
memory/4452-0-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/4452-1-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/4452-5-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads