modiloader | 1568b3b2434e440a9d92aece754b6ae65a47d536f5b085a15e9c5fae635f6914

Analysis

max time kernel
92s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2024, 17:30

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General

Target
SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe
Size 1.6MB
Sample240219-v2569aaa89
SHA256 1568b3b2434e440a9d92aece754b6ae65a47d536f5b085a15e9c5fae635f6914
MD5 d377a441da6ee6605ca9f19bf548034c
SHA1 aa206c1587631526ae976fb66376dc948c669413
SHA512 818f32dce9b0cc80996d1ced3f1b2017ce5ac750e9e7644b827c9a26f81a1ade5568567b39ae5d54937f9ab69cf7d746353fc4be17e80b3cebae1e864c202e15
SSDEEP 24576:tdjiWXcCowFGMnsGhI5bWYbDbABJS4CvGdsTGDiYeKRHyA4xEHt8xtIgxfE7enTj:tJM5J5KYoJSjisTVYpRHyv06p2qKdYt
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/4240-2-0x0000000002950000-0x0000000003950000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
1292	easinvoker.exe

Loads dropped DLL 1 IoCs

pid	Process
1292	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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jrreanbj = "C:\\Users\\Public\\Jrreanbj.url"	SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3904	4240	WerFault.exe	85

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4156	PING.EXE

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	22	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
3576	powershell.exe
3576	powershell.exe
4240	SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe
4240	SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3576	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5040	SndVol.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
5040	SndVol.exe
5040	SndVol.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 776	4240	SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe	91
PID 4240 wrote to memory of 776	4240	SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe	91
PID 4240 wrote to memory of 776	4240	SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe	91
PID 776 wrote to memory of 3656	776	cmd.exe	93
PID 776 wrote to memory of 3656	776	cmd.exe	93
PID 776 wrote to memory of 3656	776	cmd.exe	93
PID 776 wrote to memory of 1636	776	cmd.exe	95
PID 776 wrote to memory of 1636	776	cmd.exe	95
PID 776 wrote to memory of 1636	776	cmd.exe	95
PID 776 wrote to memory of 2336	776	cmd.exe	94
PID 776 wrote to memory of 2336	776	cmd.exe	94
PID 776 wrote to memory of 2336	776	cmd.exe	94
PID 776 wrote to memory of 4148	776	cmd.exe	96
PID 776 wrote to memory of 4148	776	cmd.exe	96
PID 776 wrote to memory of 4148	776	cmd.exe	96
PID 776 wrote to memory of 2140	776	cmd.exe	97
PID 776 wrote to memory of 2140	776	cmd.exe	97
PID 776 wrote to memory of 2140	776	cmd.exe	97
PID 776 wrote to memory of 3528	776	cmd.exe	98
PID 776 wrote to memory of 3528	776	cmd.exe	98
PID 776 wrote to memory of 3528	776	cmd.exe	98
PID 776 wrote to memory of 3088	776	cmd.exe	99
PID 776 wrote to memory of 3088	776	cmd.exe	99
PID 776 wrote to memory of 3088	776	cmd.exe	99
PID 776 wrote to memory of 1616	776	cmd.exe	100
PID 776 wrote to memory of 1616	776	cmd.exe	100
PID 776 wrote to memory of 1616	776	cmd.exe	100
PID 776 wrote to memory of 1292	776	cmd.exe	101
PID 776 wrote to memory of 1292	776	cmd.exe	101
PID 1292 wrote to memory of 1184	1292	easinvoker.exe	102
PID 1292 wrote to memory of 1184	1292	easinvoker.exe	102
PID 776 wrote to memory of 4156	776	cmd.exe	104
PID 776 wrote to memory of 4156	776	cmd.exe	104
PID 776 wrote to memory of 4156	776	cmd.exe	104
PID 1184 wrote to memory of 1900	1184	cmd.exe	105
PID 1184 wrote to memory of 1900	1184	cmd.exe	105
PID 1900 wrote to memory of 3576	1900	cmd.exe	106
PID 1900 wrote to memory of 3576	1900	cmd.exe	106
PID 4240 wrote to memory of 5040	4240	SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe	110
PID 4240 wrote to memory of 5040	4240	SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe	110
PID 4240 wrote to memory of 5040	4240	SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe	110

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.26699.29074.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\JrreanbjO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:776
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows "
    3⤵
    PID:3656
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:2336
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows \System32"
    3⤵
    PID:1636
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4148
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:2140
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3528
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:3088
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:1616
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1292
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1184
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c start /min powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1900
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3576
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:4156
- C:\Windows\SysWOW64\SndVol.exe
  C:\Windows\System32\SndVol.exe
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:5040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 1812
  2⤵
  - Program crash
  PID:3904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4240 -ip 4240
1⤵
PID:5104

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

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_tltywoi4.le2.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tltywoi4.le2.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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JrreanbjO.bat

Path C:\Users\Public\Libraries\JrreanbjO.bat
Size 466B
SHA256 964aab3b72b3545fabc58a209714ebeade739a0fec40b33af675d7157b9cb252
MD5 9e80036aabe3227dbf98b3975051a53b
SHA1 9670aab8897770a93293d85426b7b13dda23a152
SHA512 107fb6b364cf92730aca1a044f7769a1f4aed39a72f031a5004ccf09b3bebabac5fc88b3d0f85eb64c665404136db13678718bad36bea4311f07726684ed0a03
MD5 SHA1 SHA512

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KDECO.bat

Path C:\Users\Public\Libraries\KDECO.bat
Size 152B
SHA256 4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67
MD5 7e5fbd29557a68383dfb34e696964e93
SHA1 c1f748f89b47864301255d1fb2bfed04ed0d1300
SHA512 7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a
MD5 SHA1 SHA512

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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

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netutils.dll

Path C:\Users\Public\Libraries\netutils.dll
Size 109KB
SHA256 1fdeca52875133facc01245a5f1d24cbb3e556d1f5af4ad8f86af77973f52ef8
MD5 cf538f84f453c881b89924bac2a3735c
SHA1 741d27b36defe549e3387c7a75d8ba1eab6f32c8
SHA512 376a44480b01ef281e07b322c46138e44182b9d146d6c622a3788c477316241024168f6c5fcf27eebbd99cee4004f6da605441f870e200cb4c7261ac26d7d099
SSDEEP 1536:QwywvapzoBID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRY9Mnb:QLoapv/N8ago865w8DdD0wRY9Mnb
MD5 SHA1 SHA512 SSDEEP

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memory/1292-26-0x00000000613C0000-0x00000000613E2000-memory.dmp

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memory/3576-35-0x000002091C840000-0x000002091C862000-memory.dmp

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memory/3576-40-0x00007FFB53CC0000-0x00007FFB54781000-memory.dmp

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memory/3576-41-0x000002091C880000-0x000002091C890000-memory.dmp

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memory/3576-42-0x000002091C880000-0x000002091C890000-memory.dmp

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memory/3576-45-0x00007FFB53CC0000-0x00007FFB54781000-memory.dmp

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memory/4240-12-0x0000000000400000-0x0000000000597000-memory.dmp

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memory/4240-2-0x0000000002950000-0x0000000003950000-memory.dmp

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memory/4240-0-0x0000000002930000-0x0000000002931000-memory.dmp

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memory/4240-1-0x0000000002950000-0x0000000003950000-memory.dmp

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