modiloader | 1e792abd875ed2bab3fc3b33f77abeb25f0a513fa31448c7c87791044f8f355d

Analysis

max time kernel
142s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 09:54

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General

Target

65474824bb9fc2bed29935ac95904ef3.exe
Size

330KB
MD5

65474824bb9fc2bed29935ac95904ef3
SHA1

3a3cb12c3c57af67496aec4d8fde285b3a93ce97
SHA256

1e792abd875ed2bab3fc3b33f77abeb25f0a513fa31448c7c87791044f8f355d
SHA512

9ed475b36cc9d839753708c9ca706488bfad048e1fd48e237c4416ff01c3c3f164473d8a892bb868a59f6e119de0589a18b9eef923f7425fd775a44f270818b7
SSDEEP

6144:RJIpFWgCP/P8coTAJxd1nZyt0T163CU3LVhZ0MS77JrE/fk9KxjV:WUloixd1LO3yMG2swV

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"	sistem.exe

ModiLoader Second Stage 19 IoCs

resource	yara_rule
behavioral2/memory/1204-4-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1204-7-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1204-6-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1204-3-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-26-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-31-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-27-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/1204-16-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-34-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-37-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-36-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-38-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-40-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-41-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-42-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-43-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-44-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3564-45-0x0000000000400000-0x000000000044B000-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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	65474824bb9fc2bed29935ac95904ef3.exe

Executes dropped EXE 2 IoCs

pid	Process
4808	sistem.exe
3564	sistem.exe

Loads dropped DLL 1 IoCs

pid	Process
3564	sistem.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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sistem32 = "C:\\Windows\\sistem.exe"	sistem.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	65474824bb9fc2bed29935ac95904ef3.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	sistem.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	sistem.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5112 set thread context of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 4808 set thread context of 3564	4808	sistem.exe	95

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\sistem.exe	65474824bb9fc2bed29935ac95904ef3.exe
File opened for modification	C:\Windows\sistem.exe	65474824bb9fc2bed29935ac95904ef3.exe
File created	C:\Windows\ntdtcstp.dll	sistem.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1204	65474824bb9fc2bed29935ac95904ef3.exe
Token: SeBackupPrivilege	4848	vssvc.exe
Token: SeRestorePrivilege	4848	vssvc.exe
Token: SeAuditPrivilege	4848	vssvc.exe
Token: SeDebugPrivilege	3564	sistem.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5112	65474824bb9fc2bed29935ac95904ef3.exe
4808	sistem.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 5112 wrote to memory of 1204	5112	65474824bb9fc2bed29935ac95904ef3.exe	94
PID 1204 wrote to memory of 4808	1204	65474824bb9fc2bed29935ac95904ef3.exe	96
PID 1204 wrote to memory of 4808	1204	65474824bb9fc2bed29935ac95904ef3.exe	96
PID 1204 wrote to memory of 4808	1204	65474824bb9fc2bed29935ac95904ef3.exe	96
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95
PID 4808 wrote to memory of 3564	4808	sistem.exe	95

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"	sistem.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\65474824bb9fc2bed29935ac95904ef3.exe
"C:\Users\Admin\AppData\Local\Temp\65474824bb9fc2bed29935ac95904ef3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Users\Admin\AppData\Local\Temp\65474824bb9fc2bed29935ac95904ef3.exe
  "C:\Users\Admin\AppData\Local\Temp\65474824bb9fc2bed29935ac95904ef3.exe"
  2⤵
  - Checks computer location settings
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1204
- - C:\Windows\sistem.exe
    "C:\Windows\sistem.exe" \melt "C:\Users\Admin\AppData\Local\Temp\65474824bb9fc2bed29935ac95904ef3.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4808

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4848

C:\Windows\sistem.exe
\melt "C:\Users\Admin\AppData\Local\Temp\65474824bb9fc2bed29935ac95904ef3.exe"
1⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:3564

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\ntdtcstp.dll

Filesize
40KB

MD5
3f689ab34ba20ffbc647f3c4ce7c9c92

SHA1
0275be6c5d43a4916f4b6b2b4aa06398e193206f

SHA256
003eb1ba56dc99c6a6d4e8f35233edcee64aa8001ac5f7289369cae2325ff019

SHA512
5336b3d410c21746a81a67c1b0da791d5592d4dc42fe559bc9b12a89b6bc6aef04b385a1566e55a7599c2489741ee7b0953f9cb0b3b5b9a9feb006678e2bdbce

Download Submit
C:\Windows\sistem.exe

Filesize
330KB

MD5
65474824bb9fc2bed29935ac95904ef3

SHA1
3a3cb12c3c57af67496aec4d8fde285b3a93ce97

SHA256
1e792abd875ed2bab3fc3b33f77abeb25f0a513fa31448c7c87791044f8f355d

SHA512
9ed475b36cc9d839753708c9ca706488bfad048e1fd48e237c4416ff01c3c3f164473d8a892bb868a59f6e119de0589a18b9eef923f7425fd775a44f270818b7

Download Submit
memory/1204-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1204-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1204-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1204-35-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1204-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1204-16-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1204-19-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/3564-31-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-36-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-32-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3564-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-26-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-33-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/3564-34-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-37-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-27-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-38-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-41-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-42-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3564-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4808-17-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4808-25-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/5112-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/5112-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads