modiloader | e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9

Analysis

max time kernel
118s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/01/2025, 13:24

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General

Target

e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
Size

90KB
MD5

951d8c3122f7056d076dc8222fd009de
SHA1

21eb199305023df365fd85a9e33f70eecf6561b9
SHA256

e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9
SHA512

b5e879adf31d159914703b4c9eeebd0fcdf6d84f4cef1fdea9c7da8200c1d59a91ea4ef8e73cfa8eb60f987cd06f07c83d96b7a3a06ae1f650a2264c2b6e8698
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDp:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3D

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/960-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
3040	csrsll.exe
2948	csrsll.exe
960	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.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-1-5-21-312935884-697965778-3955649944-1000\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 2692 set thread context of 3004	2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	28
PID 3040 set thread context of 2948	3040	csrsll.exe	33
PID 3040 set thread context of 960	3040	csrsll.exe	34

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2692-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3004-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3004-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3004-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3004-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3004-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3004-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0037000000014504-148.dat	upx
behavioral1/memory/3004-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3040-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3004-230-0x00000000031E0000-0x0000000003233000-memory.dmp	upx
behavioral1/memory/960-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/3004-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3040-254-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2948-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/960-261-0x0000000000400000-0x0000000000414000-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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe
Token: SeDebugPrivilege	2948	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
3040	csrsll.exe
2948	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 3004	2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	28
PID 2692 wrote to memory of 3004	2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	28
PID 2692 wrote to memory of 3004	2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	28
PID 2692 wrote to memory of 3004	2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	28
PID 2692 wrote to memory of 3004	2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	28
PID 2692 wrote to memory of 3004	2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	28
PID 2692 wrote to memory of 3004	2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	28
PID 2692 wrote to memory of 3004	2692	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	28
PID 3004 wrote to memory of 2856	3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	29
PID 3004 wrote to memory of 2856	3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	29
PID 3004 wrote to memory of 2856	3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	29
PID 3004 wrote to memory of 2856	3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	29
PID 2856 wrote to memory of 3028	2856	cmd.exe	31
PID 2856 wrote to memory of 3028	2856	cmd.exe	31
PID 2856 wrote to memory of 3028	2856	cmd.exe	31
PID 2856 wrote to memory of 3028	2856	cmd.exe	31
PID 3004 wrote to memory of 3040	3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	32
PID 3004 wrote to memory of 3040	3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	32
PID 3004 wrote to memory of 3040	3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	32
PID 3004 wrote to memory of 3040	3004	e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe	32
PID 3040 wrote to memory of 2948	3040	csrsll.exe	33
PID 3040 wrote to memory of 2948	3040	csrsll.exe	33
PID 3040 wrote to memory of 2948	3040	csrsll.exe	33
PID 3040 wrote to memory of 2948	3040	csrsll.exe	33
PID 3040 wrote to memory of 2948	3040	csrsll.exe	33
PID 3040 wrote to memory of 2948	3040	csrsll.exe	33
PID 3040 wrote to memory of 2948	3040	csrsll.exe	33
PID 3040 wrote to memory of 2948	3040	csrsll.exe	33
PID 3040 wrote to memory of 960	3040	csrsll.exe	34
PID 3040 wrote to memory of 960	3040	csrsll.exe	34
PID 3040 wrote to memory of 960	3040	csrsll.exe	34
PID 3040 wrote to memory of 960	3040	csrsll.exe	34
PID 3040 wrote to memory of 960	3040	csrsll.exe	34
PID 3040 wrote to memory of 960	3040	csrsll.exe	34
PID 3040 wrote to memory of 960	3040	csrsll.exe	34
PID 3040 wrote to memory of 960	3040	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
"C:\Users\Admin\AppData\Local\Temp\e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe
  "C:\Users\Admin\AppData\Local\Temp\e076480ab4fbf67ec5f11f460d52e05ef8d5e30c3043600edf0193633e0ba5f9.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\KAVSR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2856
  - - 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:3028
- - 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:3040
  - - 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 AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2948
  - - 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:960

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\KAVSR.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
aa4b710796ff99b7b6dfc6d7e9334682

SHA1
bb898d50e7e25e3d95dab970a32ec00bcb94c3d9

SHA256
3fc92650413acd95d9912d04de07416d7d6c9e92a3623f1dd96e625aa641a501

SHA512
daf84676465cdc125db34d6a152175a0d3550720a6904185c7b09337c852798a6868be0fab32f391627d90f9448e3e8985f24fb3c00b7ee1920c7cec43457940

Download Submit
memory/960-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/960-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2692-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-79-0x0000000001C20000-0x0000000001C22000-memory.dmp

Filesize
8KB

Download
memory/2692-71-0x0000000001C00000-0x0000000001C01000-memory.dmp

Filesize
4KB

Download
memory/2692-61-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2692-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2692-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2692-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2692-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2692-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2692-41-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2692-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2948-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-146-0x00000000031E0000-0x0000000003233000-memory.dmp

Filesize
332KB

Download
memory/3004-231-0x00000000031E0000-0x0000000003233000-memory.dmp

Filesize
332KB

Download
memory/3004-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-147-0x00000000031E0000-0x0000000003233000-memory.dmp

Filesize
332KB

Download
memory/3004-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3004-144-0x00000000031E0000-0x0000000003233000-memory.dmp

Filesize
332KB

Download
memory/3004-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-145-0x00000000031E0000-0x0000000003233000-memory.dmp

Filesize
332KB

Download
memory/3004-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-209-0x00000000031E0000-0x0000000003233000-memory.dmp

Filesize
332KB

Download
memory/3004-246-0x00000000031E0000-0x0000000003233000-memory.dmp

Filesize
332KB

Download
memory/3004-230-0x00000000031E0000-0x0000000003233000-memory.dmp

Filesize
332KB

Download
memory/3004-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3040-175-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/3040-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3040-254-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3040-164-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/3040-154-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads