modiloader | d897b5b5b3f72f1bce5954b152c917ac5574dd33ba57e5e65ecedaefd695e19f

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 20:01

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General

Target

d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe
Size

896KB
MD5

d2bad7e18116e791320d2eb8a2fcfedf
SHA1

2acb59b67f57a4df31a513fc93eed42e841d57d8
SHA256

d897b5b5b3f72f1bce5954b152c917ac5574dd33ba57e5e65ecedaefd695e19f
SHA512

05a544073dd4169376feaca652667ce30e6eed594f3327d9d56fa678aae58fdaec179fbbe92683fa2b34212ade85e32be80fecad8fb726b0c5908ea06b72cc99
SSDEEP

12288:Yxo7YNQg2YcKify3iTntxrr0cuUPnIpVwDIX9cgtWb2pExgDj48uSeJro8k/2Dyk:YKwQrsiK3Sr0ckHCb2Gxg348uS8o4

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 23 IoCs

resource	yara_rule
behavioral2/memory/1700-3-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1700-4-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1700-5-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1700-6-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1700-8-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/1700-20-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-27-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-29-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-41-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-42-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-45-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-48-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-51-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-54-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-57-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-60-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-63-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-66-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-69-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-72-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-75-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-78-0x0000000000400000-0x000000000044C000-memory.dmp	modiloader_stage2
behavioral2/memory/3592-81-0x0000000000400000-0x000000000044C000-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	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.EXE

Executes dropped EXE 2 IoCs

pid	Process
4816	mstwain32.exe
3592	mstwain32.EXE

Loads dropped DLL 4 IoCs

pid	Process
3592	mstwain32.EXE
3592	mstwain32.EXE
3592	mstwain32.EXE
3592	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-1-5-21-1194130065-3471212556-1656947724-1000\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
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d2bad7e18116e791320d2eb8a2fcfedf_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 1 IoCs

pid	Process
4816	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4528 set thread context of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4816 set thread context of 3592	4816	mstwain32.exe	94

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.EXE
File opened for modification	C:\Windows\mstwain32.exe	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.EXE
File opened for modification	C:\Windows\mstwain32.EXE	mstwain32.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	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d2bad7e18116e791320d2eb8a2fcfedf_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	1700	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.EXE
Token: SeBackupPrivilege	1120	vssvc.exe
Token: SeRestorePrivilege	1120	vssvc.exe
Token: SeAuditPrivilege	1120	vssvc.exe
Token: SeDebugPrivilege	3592	mstwain32.EXE
Token: SeDebugPrivilege	3592	mstwain32.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe
4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe
4816	mstwain32.exe
4816	mstwain32.exe
3592	mstwain32.EXE
3592	mstwain32.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 4528 wrote to memory of 1700	4528	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4816	1700	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.EXE	92
PID 1700 wrote to memory of 4816	1700	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.EXE	92
PID 1700 wrote to memory of 4816	1700	d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.EXE	92
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94
PID 4816 wrote to memory of 3592	4816	mstwain32.exe	94

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\d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Users\Admin\AppData\Local\Temp\d2bad7e18116e791320d2eb8a2fcfedf_JaffaCakes118.EXE
  d2bad7e18116e791320d2eb8a2fcfedf_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 WriteProcessMemory
  PID:1700
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4816
  - - C:\Windows\mstwain32.EXE
      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:3592

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1120

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

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
7913cdfd4ab2a0e8a74e61d755b831bc

SHA1
4391249996e44e5cfb9d19a401fa0b1df70e1ed4

SHA256
e5e2e8a1b0937c9530d82f0a9078ad9e53b66cec9498cb1c0612c2e46d5e9fea

SHA512
e38247b2633c45f9b3831008b228ae27732ab79cd8f9f3189f6dee5187443a0c1c93ece0abe2da779fa8c62143c7a85f361842e53b35597c4a42e6467e340db7

Download Submit
C:\Windows\mstwain32.exe

Filesize
896KB

MD5
d2bad7e18116e791320d2eb8a2fcfedf

SHA1
2acb59b67f57a4df31a513fc93eed42e841d57d8

SHA256
d897b5b5b3f72f1bce5954b152c917ac5574dd33ba57e5e65ecedaefd695e19f

SHA512
05a544073dd4169376feaca652667ce30e6eed594f3327d9d56fa678aae58fdaec179fbbe92683fa2b34212ade85e32be80fecad8fb726b0c5908ea06b72cc99

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
\??\c:\users\admin\appdata\local\temp\00000000

Filesize
14B

MD5
c3cb6c339441bfb23c0991289b393794

SHA1
deac04406935b0dc9a1d4fd9e6fb67bee616a53a

SHA256
6eeb6250928f13c001ea7c811251e135db35c4427955c432143b07a8a584c554

SHA512
838e52c2b1e0572ded9722b5e591767b417a2a40f4cd372880184765481e2f3e0ff365ac5cfc00cf2e9a28fbf3d7207a196cbe34db13bceb7f1b7c2c80ad1027

Download Submit
memory/1700-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1700-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1700-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1700-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1700-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1700-20-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-42-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-81-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-27-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-41-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-39-0x0000000000AB0000-0x0000000000ABE000-memory.dmp

Filesize
56KB

Download
memory/3592-78-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-43-0x0000000000730000-0x0000000000738000-memory.dmp

Filesize
32KB

Download
memory/3592-44-0x0000000000AB0000-0x0000000000ABE000-memory.dmp

Filesize
56KB

Download
memory/3592-45-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-51-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-54-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-57-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-29-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-72-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3592-75-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4528-7-0x0000000000400000-0x00000000007AC01A-memory.dmp

Filesize
3.7MB

Download
memory/4816-28-0x0000000000400000-0x00000000007AC01A-memory.dmp

Filesize
3.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads