modiloader | c2f8b88850fcbc4df88e6708b12a265ed133ba04702f89ae9cf1da504c11bc6e

Analysis

max time kernel
142s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
08/11/2023, 08:16

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General

Target
Proof_Of_Payment.exe
Size 2.6MB
Sample231108-j56fmsgb8z
SHA256 c2f8b88850fcbc4df88e6708b12a265ed133ba04702f89ae9cf1da504c11bc6e
MD5 b16ee6a4d49a7222364b1d913da1a1b5
SHA1 02649cecdd85a193d8847f5d88725436d7985edb
SHA512 6711298900334973b9dedb788fe8241cfb6d380902fdb978aed676885f51636938cc1cfdfe4fed7d661335a6e2f98d348e3fafe6c5abb23641516c68f6269905
SSDEEP 49152:7xWIu4XYOtRwohuzcMwF5yNkr+eHlBJ/k2IDUA9RC0d3:7UIkOAxcMEyNkrzpDHe
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/4860-9-0x00000000040B0000-0x000000000A00F000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
4504	easinvoker.exe

Loads dropped DLL 1 IoCs

pid	Process
4504	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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nzaeijsk = "C:\\Users\\Public\\Nzaeijsk.url"	Proof_Of_Payment.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5080	4860	WerFault.exe	86

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
2784	PING.EXE

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	71	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	73	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4860	Proof_Of_Payment.exe
4860	Proof_Of_Payment.exe
3844	powershell.exe
3844	powershell.exe
3844	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3844	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4556	SndVol.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4556	SndVol.exe
4556	SndVol.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 4840	4860	Proof_Of_Payment.exe	106
PID 4860 wrote to memory of 4840	4860	Proof_Of_Payment.exe	106
PID 4860 wrote to memory of 4840	4860	Proof_Of_Payment.exe	106
PID 4840 wrote to memory of 380	4840	cmd.exe	108
PID 4840 wrote to memory of 380	4840	cmd.exe	108
PID 4840 wrote to memory of 380	4840	cmd.exe	108
PID 4840 wrote to memory of 1728	4840	cmd.exe	109
PID 4840 wrote to memory of 1728	4840	cmd.exe	109
PID 4840 wrote to memory of 1728	4840	cmd.exe	109
PID 4840 wrote to memory of 1780	4840	cmd.exe	110
PID 4840 wrote to memory of 1780	4840	cmd.exe	110
PID 4840 wrote to memory of 1780	4840	cmd.exe	110
PID 4840 wrote to memory of 1508	4840	cmd.exe	111
PID 4840 wrote to memory of 1508	4840	cmd.exe	111
PID 4840 wrote to memory of 1508	4840	cmd.exe	111
PID 4840 wrote to memory of 3964	4840	cmd.exe	112
PID 4840 wrote to memory of 3964	4840	cmd.exe	112
PID 4840 wrote to memory of 3964	4840	cmd.exe	112
PID 4840 wrote to memory of 3076	4840	cmd.exe	113
PID 4840 wrote to memory of 3076	4840	cmd.exe	113
PID 4840 wrote to memory of 3076	4840	cmd.exe	113
PID 4840 wrote to memory of 2040	4840	cmd.exe	114
PID 4840 wrote to memory of 2040	4840	cmd.exe	114
PID 4840 wrote to memory of 2040	4840	cmd.exe	114
PID 4840 wrote to memory of 3316	4840	cmd.exe	115
PID 4840 wrote to memory of 3316	4840	cmd.exe	115
PID 4840 wrote to memory of 3316	4840	cmd.exe	115
PID 4840 wrote to memory of 4504	4840	cmd.exe	116
PID 4840 wrote to memory of 4504	4840	cmd.exe	116
PID 4504 wrote to memory of 3492	4504	easinvoker.exe	117
PID 4504 wrote to memory of 3492	4504	easinvoker.exe	117
PID 4840 wrote to memory of 2784	4840	cmd.exe	119
PID 4840 wrote to memory of 2784	4840	cmd.exe	119
PID 4840 wrote to memory of 2784	4840	cmd.exe	119
PID 3492 wrote to memory of 4152	3492	cmd.exe	120
PID 3492 wrote to memory of 4152	3492	cmd.exe	120
PID 4152 wrote to memory of 3844	4152	cmd.exe	121
PID 4152 wrote to memory of 3844	4152	cmd.exe	121
PID 4860 wrote to memory of 4556	4860	Proof_Of_Payment.exe	123
PID 4860 wrote to memory of 4556	4860	Proof_Of_Payment.exe	123
PID 4860 wrote to memory of 4556	4860	Proof_Of_Payment.exe	123

C:\Users\Admin\AppData\Local\Temp\Proof_Of_Payment.exe
"C:\Users\Admin\AppData\Local\Temp\Proof_Of_Payment.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\NzaeijskO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows "
    3⤵
    PID:380
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows \System32"
    3⤵
    PID:1728
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:1780
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:1508
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:3964
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3076
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:2040
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3316
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4504
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3492
    - - 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:4152
      - 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:3844
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:2784
- C:\Windows\SysWOW64\SndVol.exe
  C:\Windows\System32\SndVol.exe
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:4556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 1844
  2⤵
  - Program crash
  PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4860 -ip 4860
1⤵
PID:2304

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_55mng1wq.1yh.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_55mng1wq.1yh.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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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NzaeijskO.bat

Path C:\Users\Public\Libraries\NzaeijskO.bat
Size 466B
SHA256 964aab3b72b3545fabc58a209714ebeade739a0fec40b33af675d7157b9cb252
MD5 9e80036aabe3227dbf98b3975051a53b
SHA1 9670aab8897770a93293d85426b7b13dda23a152
SHA512 107fb6b364cf92730aca1a044f7769a1f4aed39a72f031a5004ccf09b3bebabac5fc88b3d0f85eb64c665404136db13678718bad36bea4311f07726684ed0a03
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 97283bd6fe37ee2f0143123cb2b5decf143a53f525b071719bc8a066b90ffccd
MD5 4274cf3dd794271d3f35cbc414190c66
SHA1 377f2868da5df0f953dbe59cd98382b8b5247c64
SHA512 5462acb80a4bb96e42a841cedb841acece39464f3897d17cfcda03e978001b5be65c4ff9607ba6e40a392d110cd79fc4383821d2485eb66535037ae467758ee4
SSDEEP 1536:mwywvap8oBID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRY9Mnb:mLoapi/N8ago865w8DdD0wRY9Mnb
MD5 SHA1 SHA512 SSDEEP

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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

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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

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netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 97283bd6fe37ee2f0143123cb2b5decf143a53f525b071719bc8a066b90ffccd
MD5 4274cf3dd794271d3f35cbc414190c66
SHA1 377f2868da5df0f953dbe59cd98382b8b5247c64
SHA512 5462acb80a4bb96e42a841cedb841acece39464f3897d17cfcda03e978001b5be65c4ff9607ba6e40a392d110cd79fc4383821d2485eb66535037ae467758ee4
SSDEEP 1536:mwywvap8oBID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRY9Mnb:mLoapi/N8ago865w8DdD0wRY9Mnb
MD5 SHA1 SHA512 SSDEEP

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netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 97283bd6fe37ee2f0143123cb2b5decf143a53f525b071719bc8a066b90ffccd
MD5 4274cf3dd794271d3f35cbc414190c66
SHA1 377f2868da5df0f953dbe59cd98382b8b5247c64
SHA512 5462acb80a4bb96e42a841cedb841acece39464f3897d17cfcda03e978001b5be65c4ff9607ba6e40a392d110cd79fc4383821d2485eb66535037ae467758ee4
SSDEEP 1536:mwywvap8oBID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRY9Mnb:mLoapi/N8ago865w8DdD0wRY9Mnb
MD5 SHA1 SHA512 SSDEEP

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KDECO.bat

Path C:\windows \system32\KDECO.bat
Size 152B
SHA256 4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67
MD5 7e5fbd29557a68383dfb34e696964e93
SHA1 c1f748f89b47864301255d1fb2bfed04ed0d1300
SHA512 7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a
MD5 SHA1 SHA512

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memory/3844-48-0x0000023269F70000-0x0000023269F92000-memory.dmp

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memory/3844-49-0x00007FF8991E0000-0x00007FF899CA1000-memory.dmp

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memory/3844-51-0x000002326A0A0000-0x000002326A0B0000-memory.dmp

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memory/3844-52-0x000002326A0A0000-0x000002326A0B0000-memory.dmp

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memory/3844-55-0x00007FF8991E0000-0x00007FF899CA1000-memory.dmp

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memory/4504-35-0x00000000613C0000-0x00000000613E2000-memory.dmp

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memory/4860-11-0x0000000000400000-0x000000000069F000-memory.dmp

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memory/4860-9-0x00000000040B0000-0x000000000A00F000-memory.dmp

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memory/4860-0-0x0000000000400000-0x000000000069F000-memory.dmp

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memory/4860-8-0x0000000000400000-0x000000000069F000-memory.dmp

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memory/4860-7-0x0000000002460000-0x0000000002461000-memory.dmp

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memory/4860-6-0x0000000000400000-0x000000000069F000-memory.dmp

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memory/4860-5-0x00000000040B0000-0x000000000A00F000-memory.dmp

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memory/4860-4-0x0000000000400000-0x000000000069F000-memory.dmp

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memory/4860-3-0x0000000000400000-0x000000000069F000-memory.dmp

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memory/4860-2-0x0000000002460000-0x0000000002461000-memory.dmp

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