modiloader | 9fcad4f7e523bd2da1e87fae5eb8d862daaef9800a67ae21344de5184c1df386

General

Target

f55364013ee19d8924de17bc65093790_JaffaCakes118.exe
Size

200KB
MD5

f55364013ee19d8924de17bc65093790
SHA1

bf6ff9845712e96d033b0493ed5435ebc0d97b67
SHA256

9fcad4f7e523bd2da1e87fae5eb8d862daaef9800a67ae21344de5184c1df386
SHA512

b8c8c2be0823f13b8c1a43167dfcc033a4afd0503ba42e69fc208f2fd40a2477deeee3c3070a6b4b3686d12f2cee4b761f6acbd5a6d9c56fef76e440906aeb4f
SSDEEP

3072:U4R2DCDngUWTZVDlntdjhc78HWIMLSWk65ql74U98pB1uoO76hMFqVroZFDmJ5z5:ThkVh/Iutm33hGqVWFiOlg9QucJ91m5

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/3024-3-0x0000000000400000-0x0000000001519000-memory.dmp	modiloader_stage2
behavioral2/memory/3024-5-0x0000000000400000-0x0000000001519000-memory.dmp	modiloader_stage2
behavioral2/memory/3024-23-0x0000000000400000-0x0000000001519000-memory.dmp	modiloader_stage2
behavioral2/memory/2476-24-0x0000000000400000-0x0000000001519000-memory.dmp	modiloader_stage2
behavioral2/memory/2476-38-0x0000000000400000-0x0000000001519000-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3588	mstwain32.exe
2476	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
2476	mstwain32.exe
2476	mstwain32.exe
2476	mstwain32.exe
2476	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-1-5-21-1302416131-1437503476-2806442725-1000\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	f55364013ee19d8924de17bc65093790_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 2400 set thread context of 3024	2400	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe	83
PID 3588 set thread context of 2476	3588	mstwain32.exe	88

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3024-0-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/3024-3-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/3024-5-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/3024-2-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/3024-23-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/2476-24-0x0000000000400000-0x0000000001519000-memory.dmp	upx
behavioral2/memory/2476-38-0x0000000000400000-0x0000000001519000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	f55364013ee19d8924de17bc65093790_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	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f55364013ee19d8924de17bc65093790_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	3024	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe
Token: SeBackupPrivilege	4172	vssvc.exe
Token: SeRestorePrivilege	4172	vssvc.exe
Token: SeAuditPrivilege	4172	vssvc.exe
Token: SeDebugPrivilege	2476	mstwain32.exe
Token: SeDebugPrivilege	2476	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3024	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2476	mstwain32.exe
2476	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 3024	2400	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe	83
PID 2400 wrote to memory of 3024	2400	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe	83
PID 2400 wrote to memory of 3024	2400	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe	83
PID 2400 wrote to memory of 3024	2400	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe	83
PID 2400 wrote to memory of 3024	2400	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe	83
PID 3024 wrote to memory of 3588	3024	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe	87
PID 3024 wrote to memory of 3588	3024	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe	87
PID 3024 wrote to memory of 3588	3024	f55364013ee19d8924de17bc65093790_JaffaCakes118.exe	87
PID 3588 wrote to memory of 2476	3588	mstwain32.exe	88
PID 3588 wrote to memory of 2476	3588	mstwain32.exe	88
PID 3588 wrote to memory of 2476	3588	mstwain32.exe	88
PID 3588 wrote to memory of 2476	3588	mstwain32.exe	88
PID 3588 wrote to memory of 2476	3588	mstwain32.exe	88

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\f55364013ee19d8924de17bc65093790_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f55364013ee19d8924de17bc65093790_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\f55364013ee19d8924de17bc65093790_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f55364013ee19d8924de17bc65093790_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 FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f55364013ee19d8924de17bc65093790_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3588
  - - 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:2476

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4172

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
4768b6f49ca9b0de97c71df805be9aaf

SHA1
ab646250c746659e52825c5b52f0d8f66b7d1813

SHA256
3274aa1da2b9b0aa6a2e08dc7281839a9814012af8278364c70fae303fe9fc7b

SHA512
86113192066046f6c449bef30457e606f63feba4990619c0a8997e88f032f40ed5bc9845ed1ada8c3d2f09d89e10bede398dd40d67ebcc14ea679c0c572308c4

Download Submit
C:\Windows\mstwain32.exe

Filesize
200KB

MD5
f55364013ee19d8924de17bc65093790

SHA1
bf6ff9845712e96d033b0493ed5435ebc0d97b67

SHA256
9fcad4f7e523bd2da1e87fae5eb8d862daaef9800a67ae21344de5184c1df386

SHA512
b8c8c2be0823f13b8c1a43167dfcc033a4afd0503ba42e69fc208f2fd40a2477deeee3c3070a6b4b3686d12f2cee4b761f6acbd5a6d9c56fef76e440906aeb4f

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2400-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2476-38-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/2476-37-0x00000000041B0000-0x00000000041BE000-memory.dmp

Filesize
56KB

Download
memory/2476-36-0x0000000001A00000-0x0000000001A08000-memory.dmp

Filesize
32KB

Download
memory/2476-34-0x00000000041B0000-0x00000000041BE000-memory.dmp

Filesize
56KB

Download
memory/2476-24-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/3024-2-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/3024-23-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/3024-6-0x00000000018C0000-0x00000000018C1000-memory.dmp

Filesize
4KB

Download
memory/3024-0-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/3024-5-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/3024-3-0x0000000000400000-0x0000000001519000-memory.dmp

Filesize
17.1MB

Download
memory/3588-22-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads