modiloader | aca1bf4846683db0f2053baa2647abcf7bae29fd14a425dca964d33b7c6340e8

General

Target

d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
Size

358KB
MD5

d8cf9fadf0c4c36bda3e42d1e4dd4196
SHA1

8cb925c3aa45e2704d6daba20fef76eff3652411
SHA256

aca1bf4846683db0f2053baa2647abcf7bae29fd14a425dca964d33b7c6340e8
SHA512

100b910f6e889d125e35bcdec2b8345ad76e16a93b4d6799aff6073ab1b5015a715b0a2a0af41847b09bb34a7a63c192513de372f0e498a755f993e9751aff11
SSDEEP

6144:4G377xS2Vp2CeiorXhwTBx53TjCpcCJJvHneoStrJ:jr7xS2Vp6FwTZjCbJJvHeoS

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"	Microsoft.exe

ModiLoader Second Stage 5 IoCs

resource	yara_rule
behavioral1/memory/1964-0-0x0000000000400000-0x000000000045B000-memory.dmp	modiloader_stage2
behavioral1/files/0x00060000000055ce-12.dat	modiloader_stage2
behavioral1/memory/1964-11-0x00000000028F0000-0x000000000294B000-memory.dmp	modiloader_stage2
behavioral1/memory/1964-10-0x0000000000400000-0x000000000045B000-memory.dmp	modiloader_stage2
behavioral1/memory/1788-22-0x0000000000400000-0x000000000045B000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
1788	Microsoft.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1964-0-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/files/0x00060000000055ce-12.dat	upx
behavioral1/memory/1964-11-0x00000000028F0000-0x000000000294B000-memory.dmp	upx
behavioral1/memory/1964-10-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1788-22-0x0000000000400000-0x000000000045B000-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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Windows\\Microsoft.exe"	Microsoft.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	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Microsoft.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Microsoft.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.exe	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
File opened for modification	C:\Windows\Microsoft.exe	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	Microsoft.exe
File created	C:\Windows\cmsetac.dll	Microsoft.exe

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	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
Token: SeBackupPrivilege	2520	vssvc.exe
Token: SeRestorePrivilege	2520	vssvc.exe
Token: SeAuditPrivilege	2520	vssvc.exe
Token: SeDebugPrivilege	1788	Microsoft.exe
Token: SeDebugPrivilege	1788	Microsoft.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1788	Microsoft.exe
1788	Microsoft.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1788	1964	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe	33
PID 1964 wrote to memory of 1788	1964	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe	33
PID 1964 wrote to memory of 1788	1964	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe	33
PID 1964 wrote to memory of 1788	1964	d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe	33

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"	Microsoft.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\d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d8cf9fadf0c4c36bda3e42d1e4dd4196_JaffaCakes118.exe"
1⤵
- 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:1964
- C:\Windows\Microsoft.exe
  "C:\Windows\Microsoft.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - 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:1788

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2520

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

System Information Discovery

1

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\Microsoft.exe

Filesize
358KB

MD5
d8cf9fadf0c4c36bda3e42d1e4dd4196

SHA1
8cb925c3aa45e2704d6daba20fef76eff3652411

SHA256
aca1bf4846683db0f2053baa2647abcf7bae29fd14a425dca964d33b7c6340e8

SHA512
100b910f6e889d125e35bcdec2b8345ad76e16a93b4d6799aff6073ab1b5015a715b0a2a0af41847b09bb34a7a63c192513de372f0e498a755f993e9751aff11

Download Submit
memory/1788-23-0x0000000076A10000-0x0000000076B00000-memory.dmp

Filesize
960KB

Download
memory/1788-20-0x0000000076A10000-0x0000000076B00000-memory.dmp

Filesize
960KB

Download
memory/1788-26-0x0000000076A10000-0x0000000076B00000-memory.dmp

Filesize
960KB

Download
memory/1788-25-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/1788-24-0x0000000000390000-0x0000000000398000-memory.dmp

Filesize
32KB

Download
memory/1788-16-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1788-19-0x0000000076A20000-0x0000000076A21000-memory.dmp

Filesize
4KB

Download
memory/1788-22-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1788-17-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/1964-21-0x00000000028F0000-0x000000000294B000-memory.dmp

Filesize
364KB

Download
memory/1964-1-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1964-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1964-6-0x0000000002270000-0x0000000002280000-memory.dmp

Filesize
64KB

Download
memory/1964-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1964-11-0x00000000028F0000-0x000000000294B000-memory.dmp

Filesize
364KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads