modiloader | 43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd

Analysis

max time kernel
139s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2023, 17:18

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe
Size 1003KB
Sample230807-vt9vgagf56
SHA256 43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd
MD5 b3d0cd570ea30e3c51e91ca19f5b9b9a
SHA1 8eb7a9620f26ec9a940afad83824e1d0b6d6bd02
SHA512 b74fcbb26fb06f606a974bbea84c23d492c1e2d0ca39d1bec60f5473d84317c5b965656920dcc94ff55457df5f7b7f192c021c5dc02878faead4ca474f0e8f41
SSDEEP 12288:ahC5PdEN+Ff8tsq8BFhMw3iiKu0OnPbWfLFhL7rBZYiGJNraCknCPRe7Fly:hTLFf8tsq8HhMw3AuhnPbCRZYimadE
MD5 SHA1 SHA512 SSDEEP

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/1036-136-0x0000000002A00000-0x0000000002B38000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
4416	easinvoker.exe

Loads dropped DLL 1 IoCs

pid	Process
4416	easinvoker.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\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zjubgwfw = "C:\\Users\\Public\\Zjubgwfw.url"	43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1180	1036	WerFault.exe	79

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4192	PING.EXE

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	14	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	20	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3368	powershell.exe
3368	powershell.exe
1036	43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe
1036	43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3368	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	SndVol.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1440	SndVol.exe
1440	SndVol.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 1652	1036	43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe	88
PID 1036 wrote to memory of 1652	1036	43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe	88
PID 1036 wrote to memory of 1652	1036	43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe	88
PID 1652 wrote to memory of 4248	1652	cmd.exe	90
PID 1652 wrote to memory of 4248	1652	cmd.exe	90
PID 1652 wrote to memory of 4248	1652	cmd.exe	90
PID 1652 wrote to memory of 2504	1652	cmd.exe	91
PID 1652 wrote to memory of 2504	1652	cmd.exe	91
PID 1652 wrote to memory of 2504	1652	cmd.exe	91
PID 1652 wrote to memory of 1344	1652	cmd.exe	92
PID 1652 wrote to memory of 1344	1652	cmd.exe	92
PID 1652 wrote to memory of 1344	1652	cmd.exe	92
PID 1652 wrote to memory of 620	1652	cmd.exe	93
PID 1652 wrote to memory of 620	1652	cmd.exe	93
PID 1652 wrote to memory of 620	1652	cmd.exe	93
PID 1652 wrote to memory of 1756	1652	cmd.exe	94
PID 1652 wrote to memory of 1756	1652	cmd.exe	94
PID 1652 wrote to memory of 1756	1652	cmd.exe	94
PID 1652 wrote to memory of 3724	1652	cmd.exe	95
PID 1652 wrote to memory of 3724	1652	cmd.exe	95
PID 1652 wrote to memory of 3724	1652	cmd.exe	95
PID 1652 wrote to memory of 4416	1652	cmd.exe	96
PID 1652 wrote to memory of 4416	1652	cmd.exe	96
PID 4416 wrote to memory of 2628	4416	easinvoker.exe	97
PID 4416 wrote to memory of 2628	4416	easinvoker.exe	97
PID 1652 wrote to memory of 4192	1652	cmd.exe	99
PID 1652 wrote to memory of 4192	1652	cmd.exe	99
PID 1652 wrote to memory of 4192	1652	cmd.exe	99
PID 2628 wrote to memory of 3368	2628	cmd.exe	100
PID 2628 wrote to memory of 3368	2628	cmd.exe	100
PID 1036 wrote to memory of 1440	1036	43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe	102
PID 1036 wrote to memory of 1440	1036	43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe	102
PID 1036 wrote to memory of 1440	1036	43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe	102

C:\Users\Admin\AppData\Local\Temp\43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe
"C:\Users\Admin\AppData\Local\Temp\43ff884128b4cee041776015abb9692e42db2cbf8b5a4364859d346c809ec5cd.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\ZjubgwfwO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:4248
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    PID:2504
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:1344
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    PID:620
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
    3⤵
    PID:1756
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    PID:3724
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4416
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2628
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3368
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:4192
- C:\Windows\SysWOW64\SndVol.exe
  C:\Windows\System32\SndVol.exe
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 1748
  2⤵
  - Program crash
  PID:1180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1036 -ip 1036
1⤵
PID:3816

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

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

__PSScriptPolicyTest_mbzlxfsj.ypz.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mbzlxfsj.ypz.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

KDECO.bat

Path C:\Users\Public\Libraries\KDECO.bat
Size 155B
SHA256 37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e
MD5 213c60adf1c9ef88dc3c9b2d579959d2
SHA1 e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021
SHA512 fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7
MD5 SHA1 SHA512

Submit Download

ZjubgwfwO.bat

Path C:\Users\Public\Libraries\ZjubgwfwO.bat
Size 411B
SHA256 5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2
MD5 55aba243e88f6a6813c117ffe1fa5979
SHA1 210b9b028a4b798c837a182321dbf2e50d112816
SHA512 68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307
MD5 SHA1 SHA512

Submit Download

easinvoker.exe

Path C:\Users\Public\Libraries\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

netutils.dll

Path C:\Users\Public\Libraries\netutils.dll
Size 108KB
SHA256 56277178277c1920310c4bd97c523b0ec9d2d4ba09ccf836f4f30e689d79c63f
MD5 b23c6ed8594d6b0dbd479cb297f668c7
SHA1 0bb9abd7a4785838181e33f5d71c1eba12ad4406
SHA512 5129ff81166d37af2db18ced8da600771b20b4de08a3cdcfd4187371a74e10672524567d3b19b67ab79b318e6a27dbccb4acb828210705e652e97d7d8f474d8e
SSDEEP 1536:hljNHW+bID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:hJxW+U/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

Submit Download

easinvoker.exe

Path C:\Windows \System32\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

easinvoker.exe

Path C:\Windows \System32\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

netutils.dll

Path C:\Windows \System32\netutils.dll
Size 108KB
SHA256 56277178277c1920310c4bd97c523b0ec9d2d4ba09ccf836f4f30e689d79c63f
MD5 b23c6ed8594d6b0dbd479cb297f668c7
SHA1 0bb9abd7a4785838181e33f5d71c1eba12ad4406
SHA512 5129ff81166d37af2db18ced8da600771b20b4de08a3cdcfd4187371a74e10672524567d3b19b67ab79b318e6a27dbccb4acb828210705e652e97d7d8f474d8e
SSDEEP 1536:hljNHW+bID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:hJxW+U/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

Submit Download

netutils.dll

Path C:\Windows \System32\netutils.dll
Size 108KB
SHA256 56277178277c1920310c4bd97c523b0ec9d2d4ba09ccf836f4f30e689d79c63f
MD5 b23c6ed8594d6b0dbd479cb297f668c7
SHA1 0bb9abd7a4785838181e33f5d71c1eba12ad4406
SHA512 5129ff81166d37af2db18ced8da600771b20b4de08a3cdcfd4187371a74e10672524567d3b19b67ab79b318e6a27dbccb4acb828210705e652e97d7d8f474d8e
SSDEEP 1536:hljNHW+bID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:hJxW+U/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

Submit Download

KDECO.bat

Path C:\windows \system32\KDECO.bat
Size 155B
SHA256 37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e
MD5 213c60adf1c9ef88dc3c9b2d579959d2
SHA1 e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021
SHA512 fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7
MD5 SHA1 SHA512

Submit Download

memory/1036-139-0x0000000002460000-0x0000000002461000-memory.dmp

Download

memory/1036-138-0x0000000000400000-0x0000000000508000-memory.dmp

Download

memory/1036-133-0x0000000002460000-0x0000000002461000-memory.dmp

Download

memory/1036-136-0x0000000002A00000-0x0000000002B38000-memory.dmp

Download

memory/3368-171-0x000001594D5E0000-0x000001594D602000-memory.dmp

Download

memory/3368-176-0x00007FFA4D540000-0x00007FFA4E001000-memory.dmp

Download

memory/3368-177-0x0000015965940000-0x0000015965950000-memory.dmp

Download

memory/3368-178-0x0000015965940000-0x0000015965950000-memory.dmp

Download

memory/3368-181-0x00007FFA4D540000-0x00007FFA4E001000-memory.dmp

Download

memory/4416-161-0x00000000613C0000-0x00000000613E2000-memory.dmp

Download