modiloader | 662eee4badd8016df53a58c499ac58c3126316f2f31390379d6793c65e25834b

General

Target

a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
Size

123KB
MD5

a0b4b4c4ec5c8c26ae915267d1c903de
SHA1

04933a68ff8bcc3a8b57330856c93637e224f07f
SHA256

662eee4badd8016df53a58c499ac58c3126316f2f31390379d6793c65e25834b
SHA512

d34c5e0e7fd00133cef240233a212f895a59485f531d295fb885cfe136288e9b524be0f0cf29be7cdaa75278257986a3511c6f6dcd64c82d34d3557d6d5fb4c7
SSDEEP

3072:vTQYK+o2rWJ+4T2VVajEUqMSvIzSX0dC4q73:vThrWJ+KmKqhdV4E

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 8 IoCs

resource	yara_rule
behavioral2/memory/4100-5-0x0000000020000000-0x0000000020026000-memory.dmp	modiloader_stage2
behavioral2/memory/2008-7-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/files/0x000400000001db60-12.dat	modiloader_stage2
behavioral2/memory/2008-25-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2548-28-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3348-27-0x0000000020000000-0x0000000020026000-memory.dmp	modiloader_stage2
behavioral2/memory/2548-29-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2548-43-0x0000000000400000-0x0000000000450000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2548	mstwain32.exe

Executes dropped EXE 2 IoCs

pid	Process
3348	mstwain32.exe
2548	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
2548	mstwain32.exe
2548	mstwain32.exe
2548	mstwain32.exe
2548	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-1-5-21-3350944739-639801879-157714471-1000\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	a0b4b4c4ec5c8c26ae915267d1c903de_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 4100 set thread context of 2008	4100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	83
PID 3348 set thread context of 2548	3348	mstwain32.exe	92

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2008-3-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2008-6-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2008-7-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2008-25-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2548-24-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2548-21-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2548-28-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2548-29-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2548-43-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	a0b4b4c4ec5c8c26ae915267d1c903de_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	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a0b4b4c4ec5c8c26ae915267d1c903de_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	2008	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
Token: SeBackupPrivilege	4820	vssvc.exe
Token: SeRestorePrivilege	4820	vssvc.exe
Token: SeAuditPrivilege	4820	vssvc.exe
Token: SeDebugPrivilege	2548	mstwain32.exe
Token: SeDebugPrivilege	2548	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2548	mstwain32.exe
2548	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 2008	4100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	83
PID 4100 wrote to memory of 2008	4100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	83
PID 4100 wrote to memory of 2008	4100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	83
PID 4100 wrote to memory of 2008	4100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	83
PID 4100 wrote to memory of 2008	4100	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	83
PID 2008 wrote to memory of 3348	2008	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	91
PID 2008 wrote to memory of 3348	2008	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	91
PID 2008 wrote to memory of 3348	2008	a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe	91
PID 3348 wrote to memory of 2548	3348	mstwain32.exe	92
PID 3348 wrote to memory of 2548	3348	mstwain32.exe	92
PID 3348 wrote to memory of 2548	3348	mstwain32.exe	92
PID 3348 wrote to memory of 2548	3348	mstwain32.exe	92
PID 3348 wrote to memory of 2548	3348	mstwain32.exe	92

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\a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_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:2008
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3348
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe \melt C:\Users\Admin\AppData\Local\Temp\a0b4b4c4ec5c8c26ae915267d1c903de_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:2548

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4820

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
e66bd71bdb7b092429db753ecc762977

SHA1
c06f7bce0d56e9246e254efa4f868cd105224f48

SHA256
ffdf454bf0a9bec8804f4dbf5342665693057e587ead96dc384c3a6efe0942ca

SHA512
b9d59ef4620b3e28e5838a960913c54dee878e97f601c5e5d9bad9aeaab404b596387f28ed5a5a4d77862c4b29279bada2414350c3e6340018164fc6511bedc2

Download Submit
C:\Windows\mstwain32.exe

Filesize
123KB

MD5
a0b4b4c4ec5c8c26ae915267d1c903de

SHA1
04933a68ff8bcc3a8b57330856c93637e224f07f

SHA256
662eee4badd8016df53a58c499ac58c3126316f2f31390379d6793c65e25834b

SHA512
d34c5e0e7fd00133cef240233a212f895a59485f531d295fb885cfe136288e9b524be0f0cf29be7cdaa75278257986a3511c6f6dcd64c82d34d3557d6d5fb4c7

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2008-7-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2008-25-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2008-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2008-16-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/2008-3-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2548-45-0x00000000021D0000-0x00000000021DE000-memory.dmp

Filesize
56KB

Download
memory/2548-44-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/2548-36-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/2548-24-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2548-21-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2548-28-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2548-43-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2548-42-0x00000000021C0000-0x00000000021C1000-memory.dmp

Filesize
4KB

Download
memory/2548-40-0x00000000021D0000-0x00000000021DE000-memory.dmp

Filesize
56KB

Download
memory/2548-29-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3348-20-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/3348-18-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download
memory/3348-19-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/3348-27-0x0000000020000000-0x0000000020026000-memory.dmp

Filesize
152KB

Download
memory/4100-2-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/4100-0-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4100-5-0x0000000020000000-0x0000000020026000-memory.dmp

Filesize
152KB

Download
memory/4100-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads