modiloader | 6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342

Analysis

max time kernel
16s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 10:04

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General

Target

6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
Size

90KB
MD5

f91eb3415225afadcadb764804683ce0
SHA1

3a62d78a43ab62e05f930be5f343349890eed081
SHA256

6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342
SHA512

a03321deebb223dd29a2fff6ef8a0427bcf2b8b6042417deabfca8cdfa22e68829eb25bfbdbdb9df820e8272ecf246dc68bdd76be7ddb2ae340ec06bec180770
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Score

10^/10

modiloader discovery persistence trojan upx

Malware Config

Signatures

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

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/1216-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2840	csrsll.exe
968	csrsll.exe
1216	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2032 set thread context of 2600	2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	31
PID 2840 set thread context of 968	2840	csrsll.exe	36
PID 2840 set thread context of 1216	2840	csrsll.exe	37

UPX packed file 20 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2032-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2032-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2032-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2032-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-136-0x0000000003330000-0x0000000003383000-memory.dmp	upx
behavioral1/files/0x0009000000018741-148.dat	upx
behavioral1/memory/2600-131-0x0000000003330000-0x0000000003383000-memory.dmp	upx
behavioral1/memory/2600-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2840-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2840-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1216-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1216-258-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/968-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
2840	csrsll.exe
968	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2600	2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	31
PID 2032 wrote to memory of 2600	2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	31
PID 2032 wrote to memory of 2600	2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	31
PID 2032 wrote to memory of 2600	2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	31
PID 2032 wrote to memory of 2600	2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	31
PID 2032 wrote to memory of 2600	2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	31
PID 2032 wrote to memory of 2600	2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	31
PID 2032 wrote to memory of 2600	2032	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	31
PID 2600 wrote to memory of 1092	2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	32
PID 2600 wrote to memory of 1092	2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	32
PID 2600 wrote to memory of 1092	2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	32
PID 2600 wrote to memory of 1092	2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	32
PID 1092 wrote to memory of 2352	1092	cmd.exe	34
PID 1092 wrote to memory of 2352	1092	cmd.exe	34
PID 1092 wrote to memory of 2352	1092	cmd.exe	34
PID 1092 wrote to memory of 2352	1092	cmd.exe	34
PID 2600 wrote to memory of 2840	2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	35
PID 2600 wrote to memory of 2840	2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	35
PID 2600 wrote to memory of 2840	2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	35
PID 2600 wrote to memory of 2840	2600	6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe	35
PID 2840 wrote to memory of 968	2840	csrsll.exe	36
PID 2840 wrote to memory of 968	2840	csrsll.exe	36
PID 2840 wrote to memory of 968	2840	csrsll.exe	36
PID 2840 wrote to memory of 968	2840	csrsll.exe	36
PID 2840 wrote to memory of 968	2840	csrsll.exe	36
PID 2840 wrote to memory of 968	2840	csrsll.exe	36
PID 2840 wrote to memory of 968	2840	csrsll.exe	36
PID 2840 wrote to memory of 968	2840	csrsll.exe	36
PID 2840 wrote to memory of 1216	2840	csrsll.exe	37
PID 2840 wrote to memory of 1216	2840	csrsll.exe	37
PID 2840 wrote to memory of 1216	2840	csrsll.exe	37
PID 2840 wrote to memory of 1216	2840	csrsll.exe	37
PID 2840 wrote to memory of 1216	2840	csrsll.exe	37
PID 2840 wrote to memory of 1216	2840	csrsll.exe	37
PID 2840 wrote to memory of 1216	2840	csrsll.exe	37
PID 2840 wrote to memory of 1216	2840	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
"C:\Users\Admin\AppData\Local\Temp\6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe
  "C:\Users\Admin\AppData\Local\Temp\6a00ae18122cb6d6f6682ea08d9cf334d22a738db733926e47c1dfa357264342N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\JOKKW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1092
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2352
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:968
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1216

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\JOKKW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
90KB

MD5
2eb19df2c1d852d998ce27d197f6e72a

SHA1
ca194aaf642a7426274c6924bff409351f0d0a25

SHA256
58cb1e992afa6165b7afde520d079709e70dfc0a10b247d3dcd48d9f6a9e1807

SHA512
4811dd6a058aed3531f41a31ab2720506578d57a5eb5c9114c8c8e6f8702958fd7ee89dea4438f369b71876b035f1e7472af50648394b2934c71a91f2c4cc28b

Download Submit
memory/968-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1216-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1216-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2032-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2032-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2032-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2032-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2032-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-61-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2032-41-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2032-79-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2032-71-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2032-29-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2600-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-153-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2600-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-136-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2600-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-147-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2600-146-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2600-145-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2600-131-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2600-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-152-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-211-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2600-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2840-177-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2840-166-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2840-156-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2840-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2840-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads