modiloader | 496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e

General

Target

496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
Size

305KB
MD5

ab9b6b8a64ee979c39145f518c66d79b
SHA1

7edb7f31a2dbc2de30c81976ca20327cef1606a7
SHA256

496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e
SHA512

b5fa63ccf0269e1a45cafb2f73a00525a45e3ff280c34c9c1229ab97e91705e50296ddedb084204dce9d98315463567cbbcbf64450321e6286c821a464226f1b
SSDEEP

6144:WAyeA2Nm+9cY4YHdhpikr9HFwSLOBP6RLH8TwJF:WjEBxD9akNzXH8c

Score

10^/10

modiloader 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
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1172-62-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/1172-63-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/1172-67-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/768-77-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/768-78-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2
behavioral1/memory/768-79-0x0000000000400000-0x0000000000454000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

1000 mstwain32.exe
768 mstwain32.exe

pid	process
1000	mstwain32.exe
768	mstwain32.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1172-57-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1172-61-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1172-62-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1172-63-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1172-67-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/768-71-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/768-77-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/768-76-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/768-78-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/768-79-0x0000000000400000-0x0000000000454000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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

Processes:

496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.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

Processes:

496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exemstwain32.exe

description	pid	process	target process
PID 1356 set thread context of 1172	1356	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
PID 1000 set thread context of 768	1000	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

mstwain32.exe496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe

description	ioc	process
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
File opened for modification	C:\Windows\mstwain32.exe	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1172	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
Token: SeBackupPrivilege	1764	vssvc.exe
Token: SeRestorePrivilege	1764	vssvc.exe
Token: SeAuditPrivilege	1764	vssvc.exe
Token: SeDebugPrivilege	768	mstwain32.exe
Token: SeDebugPrivilege	768	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

768 mstwain32.exe
768 mstwain32.exe

pid	process
768	mstwain32.exe
768	mstwain32.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exemstwain32.exe

description	pid	process	target process
PID 1356 wrote to memory of 1172	1356	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
PID 1356 wrote to memory of 1172	1356	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
PID 1356 wrote to memory of 1172	1356	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
PID 1356 wrote to memory of 1172	1356	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
PID 1356 wrote to memory of 1172	1356	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
PID 1356 wrote to memory of 1172	1356	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
PID 1172 wrote to memory of 1000	1172	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	mstwain32.exe
PID 1172 wrote to memory of 1000	1172	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	mstwain32.exe
PID 1172 wrote to memory of 1000	1172	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	mstwain32.exe
PID 1172 wrote to memory of 1000	1172	496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe	mstwain32.exe
PID 1000 wrote to memory of 768	1000	mstwain32.exe	mstwain32.exe
PID 1000 wrote to memory of 768	1000	mstwain32.exe	mstwain32.exe
PID 1000 wrote to memory of 768	1000	mstwain32.exe	mstwain32.exe
PID 1000 wrote to memory of 768	1000	mstwain32.exe	mstwain32.exe
PID 1000 wrote to memory of 768	1000	mstwain32.exe	mstwain32.exe
PID 1000 wrote to memory of 768	1000	mstwain32.exe	mstwain32.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
"C:\Users\Admin\AppData\Local\Temp\496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Users\Admin\AppData\Local\Temp\496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
  C:\Users\Admin\AppData\Local\Temp\496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1000
  - - 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
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:768

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
305KB

MD5
ab9b6b8a64ee979c39145f518c66d79b

SHA1
7edb7f31a2dbc2de30c81976ca20327cef1606a7

SHA256
496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e

SHA512
b5fa63ccf0269e1a45cafb2f73a00525a45e3ff280c34c9c1229ab97e91705e50296ddedb084204dce9d98315463567cbbcbf64450321e6286c821a464226f1b

Download Submit
C:\Windows\mstwain32.exe

Filesize
305KB

MD5
ab9b6b8a64ee979c39145f518c66d79b

SHA1
7edb7f31a2dbc2de30c81976ca20327cef1606a7

SHA256
496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e

SHA512
b5fa63ccf0269e1a45cafb2f73a00525a45e3ff280c34c9c1229ab97e91705e50296ddedb084204dce9d98315463567cbbcbf64450321e6286c821a464226f1b

Download Submit
C:\Windows\mstwain32.exe

Filesize
305KB

MD5
ab9b6b8a64ee979c39145f518c66d79b

SHA1
7edb7f31a2dbc2de30c81976ca20327cef1606a7

SHA256
496e2e33a3ab0ea9e124b345684a522c64a04f4fc24e2a78da021288e3c5bb3e

SHA512
b5fa63ccf0269e1a45cafb2f73a00525a45e3ff280c34c9c1229ab97e91705e50296ddedb084204dce9d98315463567cbbcbf64450321e6286c821a464226f1b

Download Submit
memory/768-72-0x0000000000451001-mapping.dmp

Download
memory/768-71-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/768-80-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/768-79-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/768-78-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/768-76-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/768-77-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1000-64-0x0000000000000000-mapping.dmp

Download
memory/1172-55-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1172-57-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1172-67-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1172-58-0x0000000000451001-mapping.dmp

Download
memory/1172-61-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1172-63-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1172-62-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1356-54-0x0000000076711000-0x0000000076713000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads