modiloader | d9fa5a32ffadff0527ca655025366ff697118e20647bfd73fe3670934a02c985

Analysis

max time kernel
146s
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
29/08/2024, 19:35

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General

Target
Izvod racuna u prilogu.exe
Size 1.1MB
Sample240829-yanpnsxerc
SHA256 d9fa5a32ffadff0527ca655025366ff697118e20647bfd73fe3670934a02c985
MD5 5ef0b7778d8426db615624ede5cc9d91
SHA1 302d0fcbca809440ee3e18ad4a413cb35bb65376
SHA512 fa9d49a6abe58536bfe8f559f5b02cc5cedac2adcb75b508c5ce27623f1467cabfeaac2e7bfb79f586fb63332ef76bd13d1566b6071b704452bfae39f2d043c6
SSDEEP 12288:0jE7sMsnDeNqqfqS9AYXJZ4WmjSxcarQ6ntn1X6JTiZvZozJc27jDORmMD:0OXeeNqpS9p747cW6nt9Zmi2jDOR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader credential_access discovery stealer trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/1836-2-0x0000000002C00000-0x0000000003C00000-memory.dmp	modiloader_stage2

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3392 set thread context of 3504	3392	SndVol.exe	56
PID 3392 set thread context of 1776	3392	SndVol.exe	98
PID 1776 set thread context of 3504	1776	grpconv.exe	56
PID 1776 set thread context of 4404	1776	grpconv.exe	104

System Location Discovery: System Language Discovery 1 TTPs 3 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	Izvod racuna u prilogu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SndVol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	grpconv.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	grpconv.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	29	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	31	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
1836	Izvod racuna u prilogu.exe
1836	Izvod racuna u prilogu.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
3392	SndVol.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3392	SndVol.exe
3504	Explorer.EXE
3504	Explorer.EXE
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe
1776	grpconv.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3392	SndVol.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3392	SndVol.exe
3392	SndVol.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 3392	1836	Izvod racuna u prilogu.exe	94
PID 1836 wrote to memory of 3392	1836	Izvod racuna u prilogu.exe	94
PID 1836 wrote to memory of 3392	1836	Izvod racuna u prilogu.exe	94
PID 1836 wrote to memory of 3392	1836	Izvod racuna u prilogu.exe	94
PID 3504 wrote to memory of 1776	3504	Explorer.EXE	98
PID 3504 wrote to memory of 1776	3504	Explorer.EXE	98
PID 3504 wrote to memory of 1776	3504	Explorer.EXE	98
PID 1776 wrote to memory of 4404	1776	grpconv.exe	104
PID 1776 wrote to memory of 4404	1776	grpconv.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\Izvod racuna u prilogu.exe
  "C:\Users\Admin\AppData\Local\Temp\Izvod racuna u prilogu.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\SysWOW64\SndVol.exe
    C:\Windows\System32\SndVol.exe
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:3392
- C:\Windows\SysWOW64\grpconv.exe
  "C:\Windows\SysWOW64\grpconv.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1776
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1776-11-0x0000000001000000-0x000000000103F000-memory.dmp

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memory/1776-13-0x0000000001000000-0x000000000103F000-memory.dmp

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memory/1836-1-0x0000000002C00000-0x0000000003C00000-memory.dmp

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memory/1836-2-0x0000000002C00000-0x0000000003C00000-memory.dmp

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memory/1836-5-0x00000000022B0000-0x00000000022B1000-memory.dmp

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memory/1836-4-0x0000000000400000-0x0000000000528000-memory.dmp

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memory/1836-0-0x00000000022B0000-0x00000000022B1000-memory.dmp

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memory/3392-9-0x000000001F9F0000-0x000000001FD3A000-memory.dmp

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memory/3392-10-0x0000000002650000-0x0000000003650000-memory.dmp

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memory/3392-12-0x0000000002650000-0x0000000003650000-memory.dmp

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memory/3392-7-0x0000000002650000-0x0000000003650000-memory.dmp

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memory/3504-14-0x0000000008180000-0x0000000008296000-memory.dmp

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memory/4404-21-0x000002A0F52B0000-0x000002A0F537E000-memory.dmp

Download