modiloader | 451e829fd61d614568425ea22f06ea504b13b4471423e4248438a3c29a7db964

General

Target

d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe
Size

654KB
MD5

d183527866bece0882cf01d1868fcca1
SHA1

5a3e30a950b27ecab79480ba874dc4ac4824bd85
SHA256

451e829fd61d614568425ea22f06ea504b13b4471423e4248438a3c29a7db964
SHA512

4e49a17444a1cfdf0c5b0dc27d1c583f732ae9c5b13a5cceab08900070169dba65b9215c07e314f181beb42a2b96e8bdcafefda470f0f60e37ea41aacd7e51da
SSDEEP

12288:NHLUMuiv9RgfSjAzRty9jpJkT1uxp62KW8CcCzyU56RZv+HFkZRCOK:1tAR2XkEv8W8CcQy2U1VZR6

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 23 IoCs

resource	yara_rule
behavioral2/memory/4300-1-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4300-2-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4300-4-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4300-6-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/4300-21-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-22-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-25-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-27-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-40-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-46-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-55-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-67-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-70-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-76-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1836-79-0x0000000000400000-0x000000000044B000-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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2000	mstwain32.exe
1836	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
1836	mstwain32.exe
1836	mstwain32.exe
1836	mstwain32.exe
1836	mstwain32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4608-0-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/4608-5-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/files/0x00030000000230ad-11.dat	upx
behavioral2/memory/2000-26-0x0000000000400000-0x00000000004E6000-memory.dmp	upx

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-1-5-21-4182098368-2521458979-3782681353-1000\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	d183527866bece0882cf01d1868fcca1_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

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4608-5-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral2/memory/2000-26-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2000 set thread context of 1836	2000	mstwain32.exe	96

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	d183527866bece0882cf01d1868fcca1_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	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d183527866bece0882cf01d1868fcca1_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	4300	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe
Token: SeBackupPrivilege	4856	vssvc.exe
Token: SeRestorePrivilege	4856	vssvc.exe
Token: SeAuditPrivilege	4856	vssvc.exe
Token: SeDebugPrivilege	1836	mstwain32.exe
Token: SeDebugPrivilege	1836	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1836	mstwain32.exe
1836	mstwain32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4608 wrote to memory of 4300	4608	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	85
PID 4300 wrote to memory of 2000	4300	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	94
PID 4300 wrote to memory of 2000	4300	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	94
PID 4300 wrote to memory of 2000	4300	d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe	94
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96
PID 2000 wrote to memory of 1836	2000	mstwain32.exe	96

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\d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Users\Admin\AppData\Local\Temp\d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d183527866bece0882cf01d1868fcca1_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:4300
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\d183527866bece0882cf01d1868fcca1_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2000
  - - 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:1836

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4856

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
7c3ff4d4d394fde7c693d04c488a55f8

SHA1
ae2b2acc7e91a910f9075e0e095b528e97827ba4

SHA256
4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8

SHA512
33c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a

Download Submit
C:\Windows\mstwain32.exe

Filesize
654KB

MD5
d183527866bece0882cf01d1868fcca1

SHA1
5a3e30a950b27ecab79480ba874dc4ac4824bd85

SHA256
451e829fd61d614568425ea22f06ea504b13b4471423e4248438a3c29a7db964

SHA512
4e49a17444a1cfdf0c5b0dc27d1c583f732ae9c5b13a5cceab08900070169dba65b9215c07e314f181beb42a2b96e8bdcafefda470f0f60e37ea41aacd7e51da

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1836-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-76-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-22-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-70-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-25-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-27-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-37-0x00000000033D0000-0x00000000033DE000-memory.dmp

Filesize
56KB

Download
memory/1836-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-42-0x00000000033D0000-0x00000000033DE000-memory.dmp

Filesize
56KB

Download
memory/1836-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1836-41-0x0000000000A80000-0x0000000000A88000-memory.dmp

Filesize
32KB

Download
memory/1836-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2000-26-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4300-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4300-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4300-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4300-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4300-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4608-5-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4608-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads