modiloader | c764db08719f686021be955a1342d43816ec436011de939d9e7075c8013b2833

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
16/05/2023, 17:24

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General

Target

Mzleihaxsqmjvc.exe
Size

841KB
MD5

3c8baf53109b5c4d3e83d6ac1452c67f
SHA1

5d536b72e869b0fcb786407bef727d619289e0c2
SHA256

42cb2fa8a0afe1f49ea8fa6705da525d51f4562292706bda3e62924572d84643
SHA512

6048c6b00c82082d30f1e8cd26e4cf480c3e71373e1a294a543d61057c28fa1dbc3b6346e078e2ba320c15d7b3d86b3eb1cc3d6a2acb697b1bceca6fb58f7af6
SSDEEP

12288:IEaSIJxsS4ISFSs417nXbaGBazVb8N0K1WqR:/F0mcSFS77LaG6VIEk

Score

10^/10

modiloader persistence trojan

Malware Config

Signatures

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

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/5108-133-0x00000000040E0000-0x0000000004112000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mzleihax = "C:\\Users\\Public\\Libraries\\xahielzM.url"	Mzleihaxsqmjvc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5072 set thread context of 732	5072	SndVol.exe	56
PID 5028 set thread context of 732	5028	msiexec.exe	56

Program crash 1 IoCs

pid	pid_target	Process	procid_target
656	1260	WerFault.exe	88

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Script User-Agent 3 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	30	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	32	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
5072	SndVol.exe
5072	SndVol.exe
5072	SndVol.exe
5072	SndVol.exe
5072	SndVol.exe
5072	SndVol.exe
5072	SndVol.exe
5072	SndVol.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
732	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
5072	SndVol.exe
5072	SndVol.exe
5072	SndVol.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe
5028	msiexec.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	5072	SndVol.exe
Token: SeDebugPrivilege	5028	msiexec.exe
Token: SeShutdownPrivilege	732	Explorer.EXE
Token: SeCreatePagefilePrivilege	732	Explorer.EXE
Token: SeShutdownPrivilege	732	Explorer.EXE
Token: SeCreatePagefilePrivilege	732	Explorer.EXE
Token: SeShutdownPrivilege	732	Explorer.EXE
Token: SeCreatePagefilePrivilege	732	Explorer.EXE
Token: SeShutdownPrivilege	732	Explorer.EXE
Token: SeCreatePagefilePrivilege	732	Explorer.EXE
Token: SeShutdownPrivilege	732	Explorer.EXE
Token: SeCreatePagefilePrivilege	732	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 5072	5108	Mzleihaxsqmjvc.exe	85
PID 5108 wrote to memory of 5072	5108	Mzleihaxsqmjvc.exe	85
PID 5108 wrote to memory of 5072	5108	Mzleihaxsqmjvc.exe	85
PID 5108 wrote to memory of 5072	5108	Mzleihaxsqmjvc.exe	85
PID 5108 wrote to memory of 5072	5108	Mzleihaxsqmjvc.exe	85
PID 5108 wrote to memory of 5072	5108	Mzleihaxsqmjvc.exe	85
PID 732 wrote to memory of 5028	732	Explorer.EXE	86
PID 732 wrote to memory of 5028	732	Explorer.EXE	86
PID 732 wrote to memory of 5028	732	Explorer.EXE	86
PID 5028 wrote to memory of 1260	5028	msiexec.exe	88
PID 5028 wrote to memory of 1260	5028	msiexec.exe	88
PID 5028 wrote to memory of 1260	5028	msiexec.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:732
- C:\Users\Admin\AppData\Local\Temp\Mzleihaxsqmjvc.exe
  "C:\Users\Admin\AppData\Local\Temp\Mzleihaxsqmjvc.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:5108
- - C:\Windows\SysWOW64\SndVol.exe
    "C:\Windows\System32\SndVol.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5072
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5028
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1260
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1260 -s 140
      4⤵
      Program crash
      PID:656

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 448 -p 1260 -ip 1260
1⤵
PID:2044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/732-201-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-204-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-219-0x00000000010B0000-0x00000000010C0000-memory.dmp

Filesize
64KB

Download
memory/732-218-0x00000000010B0000-0x00000000010C0000-memory.dmp

Filesize
64KB

Download
memory/732-217-0x00000000010B0000-0x00000000010C0000-memory.dmp

Filesize
64KB

Download
memory/732-214-0x00000000010B0000-0x00000000010C0000-memory.dmp

Filesize
64KB

Download
memory/732-213-0x00000000010B0000-0x00000000010C0000-memory.dmp

Filesize
64KB

Download
memory/732-212-0x00000000010A0000-0x00000000010A2000-memory.dmp

Filesize
8KB

Download
memory/732-211-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-210-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-147-0x0000000002F60000-0x0000000003084000-memory.dmp

Filesize
1.1MB

Download
memory/732-209-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-208-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-207-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-206-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-205-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-203-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-181-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-158-0x0000000008CC0000-0x0000000008D90000-memory.dmp

Filesize
832KB

Download
memory/732-166-0x0000000008CC0000-0x0000000008D90000-memory.dmp

Filesize
832KB

Download
memory/732-167-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-168-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-169-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-172-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-171-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-170-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-173-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-174-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-175-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-176-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-177-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-178-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-202-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-180-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-179-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-182-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-183-0x00000000030A0000-0x00000000030B0000-memory.dmp

Filesize
64KB

Download
memory/732-184-0x00000000030C0000-0x00000000030D0000-memory.dmp

Filesize
64KB

Download
memory/732-185-0x00000000030C0000-0x00000000030D0000-memory.dmp

Filesize
64KB

Download
memory/732-186-0x00000000030C0000-0x00000000030D0000-memory.dmp

Filesize
64KB

Download
memory/732-188-0x00000000030C0000-0x00000000030D0000-memory.dmp

Filesize
64KB

Download
memory/732-189-0x00000000030C0000-0x00000000030D0000-memory.dmp

Filesize
64KB

Download
memory/732-190-0x00000000030C0000-0x00000000030D0000-memory.dmp

Filesize
64KB

Download
memory/732-196-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-197-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-198-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-199-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/732-200-0x0000000003090000-0x00000000030A0000-memory.dmp

Filesize
64KB

Download
memory/5028-151-0x0000000000DD0000-0x0000000000DE2000-memory.dmp

Filesize
72KB

Download
memory/5028-148-0x0000000000DD0000-0x0000000000DE2000-memory.dmp

Filesize
72KB

Download
memory/5028-157-0x00000000023F0000-0x000000000247F000-memory.dmp

Filesize
572KB

Download
memory/5028-156-0x0000000000690000-0x00000000006BD000-memory.dmp

Filesize
180KB

Download
memory/5028-155-0x0000000002560000-0x00000000028AA000-memory.dmp

Filesize
3.3MB

Download
memory/5028-154-0x0000000000690000-0x00000000006BD000-memory.dmp

Filesize
180KB

Download
memory/5028-153-0x0000000000DD0000-0x0000000000DE2000-memory.dmp

Filesize
72KB

Download
memory/5072-146-0x0000000002850000-0x0000000002860000-memory.dmp

Filesize
64KB

Download
memory/5072-145-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/5072-144-0x0000000002D70000-0x00000000030BA000-memory.dmp

Filesize
3.3MB

Download
memory/5072-143-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/5072-141-0x0000000000C90000-0x0000000000C91000-memory.dmp

Filesize
4KB

Download
memory/5108-133-0x00000000040E0000-0x0000000004112000-memory.dmp

Filesize
200KB

Download
memory/5108-135-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/5108-140-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/5108-139-0x0000000010410000-0x000000001043F000-memory.dmp

Filesize
188KB

Download
memory/5108-136-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download