modiloader | 675fcd4bf4418ee31b058f5d77e02c30675388e0ffa454bc6bb616f56b60d07d

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 05:00

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General

Target

Absolute Crypter.exe
Size

2.8MB
MD5

822636568c7c5debfad3d621afb69f07
SHA1

4206c6b0e95c7fbf9cf8aee21be8ab2ee54a55c4
SHA256

a80e7ebc3ff660d1b56054885938199ad3cacd418520075233c38a53819fcae7
SHA512

1cdba9d0d66799ad2dce4a22915d6ed1852622ad1e695f405ac46a0fdcc51e71dc8e0097418e1b8601323be99741f9627bc5a291528fcbc0a20de70fed8f41e3
SSDEEP

49152:eCEiLCSXTxOxTpsibTJRGhcn1omLnyA7BeWbvf1+LswzLa0vO:eCEiLLX9ibT3Lyq1jddwE

Score

10^/10

modiloader discovery persistence trojan upx

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 6 IoCs

resource	yara_rule
behavioral1/memory/2484-40-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2484-39-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2484-38-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1716-65-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1716-64-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1716-67-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe.vbs	Absolute Crypter.exe

Executes dropped EXE 5 IoCs

pid	Process
2812	msie.exe
2728	IPCH.exe
2484	msie.exe
3008	AdobeART.exe
1716	AdobeART.exe

Loads dropped DLL 5 IoCs

pid	Process
2676	Absolute Crypter.exe
2676	Absolute Crypter.exe
2676	Absolute Crypter.exe
2484	msie.exe
2484	msie.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\Run\AdobeART = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeART.exe"	AdobeART.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2728	IPCH.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 2484	2812	msie.exe	32
PID 3008 set thread context of 1716	3008	AdobeART.exe	34

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2484-36-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2484-34-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2484-37-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2484-40-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2484-39-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2484-38-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1716-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1716-65-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1716-64-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1716-67-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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 6 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	Absolute Crypter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IPCH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msie.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msie.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeART.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeART.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2728	IPCH.exe
2728	IPCH.exe
2728	IPCH.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2728	IPCH.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2812	2676	Absolute Crypter.exe	30
PID 2676 wrote to memory of 2812	2676	Absolute Crypter.exe	30
PID 2676 wrote to memory of 2812	2676	Absolute Crypter.exe	30
PID 2676 wrote to memory of 2812	2676	Absolute Crypter.exe	30
PID 2676 wrote to memory of 2728	2676	Absolute Crypter.exe	31
PID 2676 wrote to memory of 2728	2676	Absolute Crypter.exe	31
PID 2676 wrote to memory of 2728	2676	Absolute Crypter.exe	31
PID 2676 wrote to memory of 2728	2676	Absolute Crypter.exe	31
PID 2812 wrote to memory of 2484	2812	msie.exe	32
PID 2812 wrote to memory of 2484	2812	msie.exe	32
PID 2812 wrote to memory of 2484	2812	msie.exe	32
PID 2812 wrote to memory of 2484	2812	msie.exe	32
PID 2812 wrote to memory of 2484	2812	msie.exe	32
PID 2812 wrote to memory of 2484	2812	msie.exe	32
PID 2812 wrote to memory of 2484	2812	msie.exe	32
PID 2812 wrote to memory of 2484	2812	msie.exe	32
PID 2484 wrote to memory of 3008	2484	msie.exe	33
PID 2484 wrote to memory of 3008	2484	msie.exe	33
PID 2484 wrote to memory of 3008	2484	msie.exe	33
PID 2484 wrote to memory of 3008	2484	msie.exe	33
PID 3008 wrote to memory of 1716	3008	AdobeART.exe	34
PID 3008 wrote to memory of 1716	3008	AdobeART.exe	34
PID 3008 wrote to memory of 1716	3008	AdobeART.exe	34
PID 3008 wrote to memory of 1716	3008	AdobeART.exe	34
PID 3008 wrote to memory of 1716	3008	AdobeART.exe	34
PID 3008 wrote to memory of 1716	3008	AdobeART.exe	34
PID 3008 wrote to memory of 1716	3008	AdobeART.exe	34
PID 3008 wrote to memory of 1716	3008	AdobeART.exe	34

C:\Users\Admin\AppData\Local\Temp\Absolute Crypter.exe
"C:\Users\Admin\AppData\Local\Temp\Absolute Crypter.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Roaming\systx\msie.exe
  "C:\Users\Admin\AppData\Roaming\systx\msie.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Users\Admin\AppData\Roaming\systx\msie.exe
    "C:\Users\Admin\AppData\Roaming\systx\msie.exe" "C:\Users\Admin\AppData\Roaming\systx\msie.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2484
  - - C:\Users\Admin\AppData\Roaming\AdobeART.exe
      "C:\Users\Admin\AppData\Roaming\AdobeART.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3008
    - - C:\Users\Admin\AppData\Roaming\AdobeART.exe
        
        "C:\Users\Admin\AppData\Roaming\AdobeART.exe" "C:\Users\Admin\AppData\Roaming\AdobeART.exe"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        
        PID:1716
- C:\Users\Admin\AppData\Local\Temp\IPCH.exe
  "C:\Users\Admin\AppData\Local\Temp\IPCH.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2728

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

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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

\Users\Admin\AppData\Local\Temp\IPCH.exe

Filesize
1.7MB

MD5
854ddaa0a476b76ff727dc1c5ceb50e5

SHA1
c59bb8151509f168872605d8196646431ee418a1

SHA256
9e56703f4a4e1745026d3fcd3236f6fd9aa6a8e1059be545961585c63dab5c7d

SHA512
d7205b4f9be446901d15f4420ad722df1df75981291712d73e5bc1a70b06ebb7cc967350df1020908b0581d9dd772beb55441806b9425e8e3f00dcaa52f8ef52

Download Submit
\Users\Admin\AppData\Roaming\systx\msie.exe

Filesize
2.8MB

MD5
822636568c7c5debfad3d621afb69f07

SHA1
4206c6b0e95c7fbf9cf8aee21be8ab2ee54a55c4

SHA256
a80e7ebc3ff660d1b56054885938199ad3cacd418520075233c38a53819fcae7

SHA512
1cdba9d0d66799ad2dce4a22915d6ed1852622ad1e695f405ac46a0fdcc51e71dc8e0097418e1b8601323be99741f9627bc5a291528fcbc0a20de70fed8f41e3

Download Submit
memory/1716-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1716-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1716-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1716-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-38-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2484-36-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-39-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-34-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-37-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-31-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-29-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-26-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-40-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2676-0-0x0000000077C50000-0x0000000077C51000-memory.dmp

Filesize
4KB

Download
memory/2676-18-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download
memory/2676-12-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download
memory/2676-1-0x0000000000402000-0x0000000000405000-memory.dmp

Filesize
12KB

Download
memory/2728-22-0x0000000000400000-0x0000000000950000-memory.dmp

Filesize
5.3MB

Download
memory/2728-20-0x0000000000400000-0x0000000000950000-memory.dmp

Filesize
5.3MB

Download
memory/2728-66-0x0000000000400000-0x0000000000950000-memory.dmp

Filesize
5.3MB

Download
memory/2812-35-0x0000000000400000-0x00000000006D4000-memory.dmp

Filesize
2.8MB

Download