modiloader | 1eba776c491e2d34bb8bc14cb05fb0c9323ced07783e569c1bedd4f7c5af9ae6

General

Target

4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe
Size

336KB
MD5

4a61ff19ad59a5d94c0f384e79dd4dd8
SHA1

50da33e73d959568e6e3373ffd3921ab3bb43df1
SHA256

1eba776c491e2d34bb8bc14cb05fb0c9323ced07783e569c1bedd4f7c5af9ae6
SHA512

75317aadb2d24570c7441d0071dfdbef0b17753949264429f34f207580edbb05313d72cd9bbff44b04832250ab4d1e7d64de8739d67c286595be1312e1682ce7
SSDEEP

6144:NG377xS2Vp2CeiorXhwTBOFlQL53LpcCJJvH:wr7xS2Vp6FwTlxbJJvH

Score

10^/10

modiloader evasion persistence trojan

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 16 IoCs

resource	yara_rule
behavioral1/files/0x00060000000055ce-4.dat	modiloader_stage2
behavioral1/memory/1932-8-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-17-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-20-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-25-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-28-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-31-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-35-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-38-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-41-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-44-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-47-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-50-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-53-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-56-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2
behavioral1/memory/1680-59-0x0000000000400000-0x000000000045C000-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
1680	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
1680	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-1-5-21-3691908287-3775019229-3534252667-1000\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	4a61ff19ad59a5d94c0f384e79dd4dd8_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

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	4a61ff19ad59a5d94c0f384e79dd4dd8_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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe
Token: SeBackupPrivilege	2964	vssvc.exe
Token: SeRestorePrivilege	2964	vssvc.exe
Token: SeAuditPrivilege	2964	vssvc.exe
Token: SeDebugPrivilege	1680	mstwain32.exe
Token: SeDebugPrivilege	1680	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1680	mstwain32.exe
1680	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1680	1932	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe	31
PID 1932 wrote to memory of 1680	1932	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe	31
PID 1932 wrote to memory of 1680	1932	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe	31
PID 1932 wrote to memory of 1680	1932	4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe	31

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\4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\4a61ff19ad59a5d94c0f384e79dd4dd8_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:1680

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2964

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\mstwain32.exe

Filesize
336KB

MD5
4a61ff19ad59a5d94c0f384e79dd4dd8

SHA1
50da33e73d959568e6e3373ffd3921ab3bb43df1

SHA256
1eba776c491e2d34bb8bc14cb05fb0c9323ced07783e569c1bedd4f7c5af9ae6

SHA512
75317aadb2d24570c7441d0071dfdbef0b17753949264429f34f207580edbb05313d72cd9bbff44b04832250ab4d1e7d64de8739d67c286595be1312e1682ce7

Download Submit
memory/1680-25-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-20-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-13-0x0000000001EA0000-0x0000000001EAE000-memory.dmp

Filesize
56KB

Download
memory/1680-15-0x00000000773C0000-0x00000000773C1000-memory.dmp

Filesize
4KB

Download
memory/1680-16-0x00000000773B0000-0x00000000774A0000-memory.dmp

Filesize
960KB

Download
memory/1680-19-0x0000000001EA0000-0x0000000001EAE000-memory.dmp

Filesize
56KB

Download
memory/1680-18-0x00000000003B0000-0x00000000003B8000-memory.dmp

Filesize
32KB

Download
memory/1680-28-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-59-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-23-0x00000000773B0000-0x00000000774A0000-memory.dmp

Filesize
960KB

Download
memory/1680-12-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1680-24-0x00000000773B0000-0x00000000774A0000-memory.dmp

Filesize
960KB

Download
memory/1680-17-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-31-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-35-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-38-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-41-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-44-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-47-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-50-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-53-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1680-56-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1932-8-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads