modiloader | 5e91523f98aee1e1dc04fa06d5165a0bf6b248001e3a2cf95d7ef217c2df85fd

General

Target

d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe
Size

752KB
MD5

d5119bad8d259c0dcd9a5445e2408f5c
SHA1

c7a2b103ebeecd53c4f52c5992639dca1817df7a
SHA256

5e91523f98aee1e1dc04fa06d5165a0bf6b248001e3a2cf95d7ef217c2df85fd
SHA512

2ce2e26c6ef7b6c0ea09f0ce2f88915628ba1aa3b756eae884362506bb49765d8f6a82eb058e9fff6bf4da6adfabd179f87b13a5cb05f9d93807866a2e9e9f29
SSDEEP

12288:dBMmKGnhDT+JlCTXMjUZfT1uxp62KW8CcCzyU56RZv+HFkZ+COo:DMmnDC+T3fEv8W8CcQy2U1VZ+4

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/1128-1-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1128-2-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1128-3-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1128-5-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1128-7-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1128-21-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-24-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-27-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-40-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-46-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-49-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-52-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-55-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-58-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-61-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-64-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-67-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-70-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-73-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-76-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/2304-79-0x0000000000400000-0x000000000044B000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
456	mstwain32.exe
2304	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
2304	mstwain32.exe
2304	mstwain32.exe
2304	mstwain32.exe
2304	mstwain32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3164-0-0x0000000000400000-0x0000000000518000-memory.dmp	upx
behavioral2/memory/3164-6-0x0000000000400000-0x0000000000518000-memory.dmp	upx
behavioral2/files/0x00050000000006db-12.dat	upx
behavioral2/memory/456-26-0x0000000000400000-0x0000000000518000-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-1-5-21-786284298-625481688-3210388970-1000\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	d5119bad8d259c0dcd9a5445e2408f5c_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/3164-6-0x0000000000400000-0x0000000000518000-memory.dmp	autoit_exe
behavioral2/memory/456-26-0x0000000000400000-0x0000000000518000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3164 set thread context of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 456 set thread context of 2304	456	mstwain32.exe	96

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	d5119bad8d259c0dcd9a5445e2408f5c_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	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1128	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe
Token: SeBackupPrivilege	5012	vssvc.exe
Token: SeRestorePrivilege	5012	vssvc.exe
Token: SeAuditPrivilege	5012	vssvc.exe
Token: SeDebugPrivilege	2304	mstwain32.exe
Token: SeDebugPrivilege	2304	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2304	mstwain32.exe
2304	mstwain32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 3164 wrote to memory of 1128	3164	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	84
PID 1128 wrote to memory of 456	1128	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	95
PID 1128 wrote to memory of 456	1128	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	95
PID 1128 wrote to memory of 456	1128	d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe	95
PID 456 wrote to memory of 2304	456	mstwain32.exe	96
PID 456 wrote to memory of 2304	456	mstwain32.exe	96
PID 456 wrote to memory of 2304	456	mstwain32.exe	96
PID 456 wrote to memory of 2304	456	mstwain32.exe	96
PID 456 wrote to memory of 2304	456	mstwain32.exe	96
PID 456 wrote to memory of 2304	456	mstwain32.exe	96
PID 456 wrote to memory of 2304	456	mstwain32.exe	96
PID 456 wrote to memory of 2304	456	mstwain32.exe	96
PID 456 wrote to memory of 2304	456	mstwain32.exe	96
PID 456 wrote to memory of 2304	456	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\d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Users\Admin\AppData\Local\Temp\d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d5119bad8d259c0dcd9a5445e2408f5c_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:1128
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\d5119bad8d259c0dcd9a5445e2408f5c_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:456
  - - 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:2304

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5012

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
0de787a732b8cbe02749a5c1afc08348

SHA1
b42938e16b0e4ca8ede508a90a9901a433b76d2b

SHA256
c0a33b351841dabed4c036ae5d27fa4c287b9295a7d4be9e081e8391b5ecc777

SHA512
5432dc2f65dfb672fd4223deed5403d12b09e293783408f3da873cf76a49f9d327b4bfd4ccf410109cfe5aa7cb658c5bf8e66c14d470cf5603776a187ebd0b40

Download Submit
C:\Windows\mstwain32.exe

Filesize
752KB

MD5
d5119bad8d259c0dcd9a5445e2408f5c

SHA1
c7a2b103ebeecd53c4f52c5992639dca1817df7a

SHA256
5e91523f98aee1e1dc04fa06d5165a0bf6b248001e3a2cf95d7ef217c2df85fd

SHA512
2ce2e26c6ef7b6c0ea09f0ce2f88915628ba1aa3b756eae884362506bb49765d8f6a82eb058e9fff6bf4da6adfabd179f87b13a5cb05f9d93807866a2e9e9f29

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/456-26-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/1128-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1128-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1128-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1128-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1128-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1128-21-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1128-19-0x0000000000450000-0x0000000000519000-memory.dmp

Filesize
804KB

Download
memory/2304-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-27-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-37-0x0000000000B20000-0x0000000000B2E000-memory.dmp

Filesize
56KB

Download
memory/2304-76-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-42-0x0000000000B20000-0x0000000000B2E000-memory.dmp

Filesize
56KB

Download
memory/2304-41-0x0000000000500000-0x0000000000508000-memory.dmp

Filesize
32KB

Download
memory/2304-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-24-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-55-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-58-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-61-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-64-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-67-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-70-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2304-73-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3164-0-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download
memory/3164-6-0x0000000000400000-0x0000000000518000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads