modiloader | db8411fd206557d38a0c92aecda34b7cc27a2a1b97e6cb49daa45d3b78a6fd10

General

Target

ddab607e406690a2db69339a28754966_JaffaCakes118.exe
Size

548KB
MD5

ddab607e406690a2db69339a28754966
SHA1

5a081f942311f0710e4541d710ca2fb273ca617d
SHA256

db8411fd206557d38a0c92aecda34b7cc27a2a1b97e6cb49daa45d3b78a6fd10
SHA512

909be3bd09e40c627ec586b32e10c4b52977dd1074a74aa5138ef56596af1bb549bfc7e20e0dc23647763c8439d2af9e3e5c2f77d963a6a52b46a32833a1d6c8
SSDEEP

12288:0YnBSkuVUeZdYqwTTJHoSIBI3FIiSH61fzIrQEv/rGh6oPkrF4:hSkuiqwTdXtS98EiDQF4

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 5 IoCs

resource	yara_rule
behavioral2/memory/3408-0-0x0000000000400000-0x0000000000469000-memory.dmp	modiloader_stage2
behavioral2/files/0x000500000001db65-6.dat	modiloader_stage2
behavioral2/memory/3804-11-0x0000000000400000-0x0000000000469000-memory.dmp	modiloader_stage2
behavioral2/memory/3408-13-0x0000000000400000-0x0000000000469000-memory.dmp	modiloader_stage2
behavioral2/memory/3804-29-0x0000000000400000-0x0000000000469000-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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	ddab607e406690a2db69339a28754966_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3804	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
3804	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
3804	mstwain32.exe
3804	mstwain32.exe
3804	mstwain32.exe
3804	mstwain32.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3408-0-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral2/files/0x000500000001db65-6.dat	upx
behavioral2/memory/3804-11-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral2/memory/3408-13-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral2/memory/3804-29-0x0000000000400000-0x0000000000469000-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-1-5-21-1194130065-3471212556-1656947724-1000\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	ddab607e406690a2db69339a28754966_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	ddab607e406690a2db69339a28754966_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	ddab607e406690a2db69339a28754966_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 2 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	ddab607e406690a2db69339a28754966_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3408	ddab607e406690a2db69339a28754966_JaffaCakes118.exe
Token: SeBackupPrivilege	4164	vssvc.exe
Token: SeRestorePrivilege	4164	vssvc.exe
Token: SeAuditPrivilege	4164	vssvc.exe
Token: SeDebugPrivilege	3804	mstwain32.exe
Token: SeDebugPrivilege	3804	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3408	ddab607e406690a2db69339a28754966_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3804	mstwain32.exe
3804	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 3804	3408	ddab607e406690a2db69339a28754966_JaffaCakes118.exe	89
PID 3408 wrote to memory of 3804	3408	ddab607e406690a2db69339a28754966_JaffaCakes118.exe	89
PID 3408 wrote to memory of 3804	3408	ddab607e406690a2db69339a28754966_JaffaCakes118.exe	89

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\ddab607e406690a2db69339a28754966_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ddab607e406690a2db69339a28754966_JaffaCakes118.exe"
1⤵
- 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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\ddab607e406690a2db69339a28754966_JaffaCakes118.exe"
  2⤵
  - 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:3804

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4164

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
32KB

MD5
03a9e3bce960139d5c1c8123ee2df259

SHA1
39d832fc65cd030739ca8f9f1cd68dcc59305aa5

SHA256
ad4ccc7a1d44837701ffd5003748b821ebc9f2fe078eb0feed15c7302411d416

SHA512
c17f8f8e134484e81453a42fb16d1785252c78a6249f2ed0843f20144af6a160c2fe165a0a22d3363dc04fdb97f2e7ce6399be77e2a885a3dad755ed785c9e8a

Download Submit
C:\Windows\mstwain32.exe

Filesize
548KB

MD5
ddab607e406690a2db69339a28754966

SHA1
5a081f942311f0710e4541d710ca2fb273ca617d

SHA256
db8411fd206557d38a0c92aecda34b7cc27a2a1b97e6cb49daa45d3b78a6fd10

SHA512
909be3bd09e40c627ec586b32e10c4b52977dd1074a74aa5138ef56596af1bb549bfc7e20e0dc23647763c8439d2af9e3e5c2f77d963a6a52b46a32833a1d6c8

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/3408-0-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3408-1-0x00000000021F0000-0x00000000021F1000-memory.dmp

Filesize
4KB

Download
memory/3408-13-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3804-21-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/3804-11-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3804-25-0x0000000002900000-0x000000000290E000-memory.dmp

Filesize
56KB

Download
memory/3804-28-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/3804-29-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3804-30-0x00000000004F0000-0x00000000004F8000-memory.dmp

Filesize
32KB

Download
memory/3804-31-0x0000000002900000-0x000000000290E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads