modiloader | bc6564ac4d2fcdbe05a2383a943f2a36e3ef19a540951e16b8182d08063b3e97

Analysis

max time kernel
149s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22-09-2024 16:28

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General

Target

f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
Size

940KB
MD5

f26379ca654c18a9b974c4d154ef3a3b
SHA1

cd6771fd221862d0ca41c118b4873d907ddbcde4
SHA256

bc6564ac4d2fcdbe05a2383a943f2a36e3ef19a540951e16b8182d08063b3e97
SHA512

51fb5092e2efea670f5bb9933afc813327b39f58a6b9b05ffd521c3e86396fdb777608ee543a40d5cc2a210be37ad5f779c470c5bc7dfc74ef52d2c4b08cdde5
SSDEEP

24576:nQ2StP0bSlQjFdAtLoGf96K452iVH+H4rG3TaFcR6:nQ2nG2xdRoI+H4GL6

Score

10^/10

modiloader discovery 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 25 IoCs

resource	yara_rule
behavioral1/memory/2216-8-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2564-12-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2564-15-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2216-14-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2216-7-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2216-6-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2564-17-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2216-5-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2216-4-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2216-3-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2216-2-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2104-30-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2104-35-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-46-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-47-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2104-45-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-41-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/2104-34-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2104-33-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2104-32-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2104-31-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2104-37-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/2104-36-0x0000000010000000-0x00000000100F7000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-48-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral1/memory/1940-54-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2104	mstwain32.exe
1940	mstwain32.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	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-1-5-21-2703099537-420551529-3771253338-1000\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	f26379ca654c18a9b974c4d154ef3a3b_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 NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2216	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
2104	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 2564	2216	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	30
PID 2104 set thread context of 1940	2104	mstwain32.exe	35

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.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	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f26379ca654c18a9b974c4d154ef3a3b_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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
2216	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
2104	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
Token: SeBackupPrivilege	2548	vssvc.exe
Token: SeRestorePrivilege	2548	vssvc.exe
Token: SeAuditPrivilege	2548	vssvc.exe
Token: SeDebugPrivilege	1940	mstwain32.exe
Token: SeDebugPrivilege	1940	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1940	mstwain32.exe
1940	mstwain32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2564	2216	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	30
PID 2216 wrote to memory of 2564	2216	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	30
PID 2216 wrote to memory of 2564	2216	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	30
PID 2216 wrote to memory of 2564	2216	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	30
PID 2216 wrote to memory of 2564	2216	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	30
PID 2216 wrote to memory of 2564	2216	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	30
PID 2564 wrote to memory of 2104	2564	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	34
PID 2564 wrote to memory of 2104	2564	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	34
PID 2564 wrote to memory of 2104	2564	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	34
PID 2564 wrote to memory of 2104	2564	f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe	34
PID 2104 wrote to memory of 1940	2104	mstwain32.exe	35
PID 2104 wrote to memory of 1940	2104	mstwain32.exe	35
PID 2104 wrote to memory of 1940	2104	mstwain32.exe	35
PID 2104 wrote to memory of 1940	2104	mstwain32.exe	35
PID 2104 wrote to memory of 1940	2104	mstwain32.exe	35
PID 2104 wrote to memory of 1940	2104	mstwain32.exe	35

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\f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe
  2⤵
  - 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:2564
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f26379ca654c18a9b974c4d154ef3a3b_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2104
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe
      4⤵
      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:1940

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
940KB

MD5
f26379ca654c18a9b974c4d154ef3a3b

SHA1
cd6771fd221862d0ca41c118b4873d907ddbcde4

SHA256
bc6564ac4d2fcdbe05a2383a943f2a36e3ef19a540951e16b8182d08063b3e97

SHA512
51fb5092e2efea670f5bb9933afc813327b39f58a6b9b05ffd521c3e86396fdb777608ee543a40d5cc2a210be37ad5f779c470c5bc7dfc74ef52d2c4b08cdde5

Download Submit
memory/1940-47-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1940-54-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1940-55-0x0000000000250000-0x0000000000258000-memory.dmp

Filesize
32KB

Download
memory/1940-52-0x00000000003D0000-0x00000000003DE000-memory.dmp

Filesize
56KB

Download
memory/1940-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1940-46-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1940-41-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1940-56-0x00000000003D0000-0x00000000003DE000-memory.dmp

Filesize
56KB

Download
memory/2104-28-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2104-31-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2104-37-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2104-34-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2104-42-0x00000000041A0000-0x0000000004297000-memory.dmp

Filesize
988KB

Download
memory/2104-45-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2104-30-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2104-36-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2104-32-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2104-35-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2104-33-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2216-7-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2216-0-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2216-1-0x0000000010001000-0x0000000010006000-memory.dmp

Filesize
20KB

Download
memory/2216-2-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2216-3-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2216-4-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2216-5-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2216-8-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2216-6-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2216-14-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2564-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2564-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-26-0x0000000003450000-0x0000000003547000-memory.dmp

Filesize
988KB

Download
memory/2564-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2564-16-0x0000000010000000-0x00000000100F7000-memory.dmp

Filesize
988KB

Download
memory/2564-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2564-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2564-21-0x0000000000560000-0x0000000000570000-memory.dmp

Filesize
64KB

Download