modiloader | e5138ae557c980247ca6e368e076c9a80fecc7f9783a6511fb73da1d3b0bc979

General

Target

相片.exe
Size

524KB
MD5

d6166c827c4aa5ce21a4582b59e7f052
SHA1

2506d7594acbbd5cc97a1920d340c72af4785341
SHA256

e507ae41376d6907c5fd3ef83faa70bd8c633321c8270e5ae136c0f8ec1cffba
SHA512

78bfb086babcb5e82425d0ee6eb5796f1d245c39e75d1ffc1cd87432c56c41619cb100319e35dab2505921ab7e928db679e22f55c1dcc4278fba3ba991a16fda
SSDEEP

12288:vJiH3Q0Ir0PHDenmJ9eNIkNj3Q9FVKE1wLlC:vQQPw/qnmiRKBAC

Score

10^/10

modiloader discovery persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 2 IoCs

resource	yara_rule
behavioral2/memory/1980-25-0x0000000000400000-0x00000000004DDDBC-memory.dmp	modiloader_stage2
behavioral2/memory/2596-28-0x0000000000400000-0x00000000004DDDBC-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2596	side.exe
1980	windos.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	相片.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\K:	side.exe
File opened (read-only)	\??\N:	side.exe
File opened (read-only)	\??\P:	side.exe
File opened (read-only)	\??\B:	side.exe
File opened (read-only)	\??\H:	side.exe
File opened (read-only)	\??\J:	side.exe
File opened (read-only)	\??\L:	side.exe
File opened (read-only)	\??\M:	side.exe
File opened (read-only)	\??\T:	side.exe
File opened (read-only)	\??\X:	side.exe
File opened (read-only)	\??\A:	side.exe
File opened (read-only)	\??\E:	side.exe
File opened (read-only)	\??\I:	side.exe
File opened (read-only)	\??\S:	side.exe
File opened (read-only)	\??\W:	side.exe
File opened (read-only)	\??\R:	side.exe
File opened (read-only)	\??\U:	side.exe
File opened (read-only)	\??\V:	side.exe
File opened (read-only)	\??\Y:	side.exe
File opened (read-only)	\??\Z:	side.exe
File opened (read-only)	\??\G:	side.exe
File opened (read-only)	\??\O:	side.exe
File opened (read-only)	\??\Q:	side.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	F:\AutoRun.inf	side.exe
File opened for modification	F:\AutoRun.inf	side.exe
File created	C:\AutoRun.inf	side.exe
File opened for modification	C:\AutoRun.inf	side.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\_windos.exe	windos.exe
File opened for modification	C:\Windows\SysWOW64\_windos.exe	windos.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\windos.exe	side.exe
File opened for modification	C:\Windows\windos.exe	side.exe
File created	C:\Windows\SxDel.bat	side.exe

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	相片.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	side.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 2596	1888	相片.exe	83
PID 1888 wrote to memory of 2596	1888	相片.exe	83
PID 1888 wrote to memory of 2596	1888	相片.exe	83
PID 2596 wrote to memory of 1980	2596	side.exe	84
PID 2596 wrote to memory of 1980	2596	side.exe	84
PID 2596 wrote to memory of 1980	2596	side.exe	84
PID 1980 wrote to memory of 3792	1980	windos.exe	85
PID 1980 wrote to memory of 3792	1980	windos.exe	85
PID 1980 wrote to memory of 3792	1980	windos.exe	85
PID 1980 wrote to memory of 4544	1980	windos.exe	86
PID 1980 wrote to memory of 4544	1980	windos.exe	86
PID 2596 wrote to memory of 4884	2596	side.exe	87
PID 2596 wrote to memory of 4884	2596	side.exe	87
PID 2596 wrote to memory of 4884	2596	side.exe	87

C:\Users\Admin\AppData\Local\Temp\相片.exe
"C:\Users\Admin\AppData\Local\Temp\相片.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\side.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\side.exe
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\windos.exe
    C:\Windows\windos.exe
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1980
  - - C:\Windows\SysWOW64\mmc.exe
      "C:\Windows\system32\mmc.exe"
      4⤵
      PID:3792
  - - C:\program files\internet explorer\IEXPLORE.EXE
      "C:\program files\internet explorer\IEXPLORE.EXE"
      4⤵
      PID:4544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\SxDel.bat
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\side.exe

Filesize
491KB

MD5
b8dfe74dacee4bac05741690407f6b3c

SHA1
86453c79737807d938f482ce03f035c81a14873c

SHA256
85b1581ffb8f1d4ac52d55f136b02837b296f9c07716c2b759bf4c6c89366d03

SHA512
11a5b4b784d4636cc233d0fd69cca761c01fb0678092e6a2343ad68f1e7b3a512fb67f06eeb0f5986b7143ddf06f4bb338ea85e9ddb0136b0fa3a4b8585e175b

Download Submit
C:\Windows\SxDel.bat

Filesize
150B

MD5
96f115aa2b01c8016439f842fb24562b

SHA1
ac3ff35c137d084ef35711318b27ace25e4bca83

SHA256
2bcdd38bd1de8ad3306df9d293d4d54f32c5b46825216ff75b984805eb2a470b

SHA512
1679ce60311e7b877a684cc8da84b1382833c2318ab880c9d24cfc3d7360ea4a9873297f153fa97e55060ac388545c7bb118e864c1dfc891f2537b5253a78f08

Download Submit
memory/1980-20-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/1980-25-0x0000000000400000-0x00000000004DDDBC-memory.dmp

Filesize
887KB

Download
memory/2596-5-0x0000000000400000-0x00000000004DDDBC-memory.dmp

Filesize
887KB

Download
memory/2596-6-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/2596-28-0x0000000000400000-0x00000000004DDDBC-memory.dmp

Filesize
887KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads