modiloader | c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 01:50

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General

Target

c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
Size

90KB
MD5

35cdd1b84e995c8c4ae2b4225e07e1cb
SHA1

d7c6d8250a1a1cf7f2b95b2865eed7b364de17c6
SHA256

c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5
SHA512

b3d19f77ea78a75326d83713aa00f034c9c38370ca3fcfa0e241d82287fc99654a944d0386c57cf1a2a55507247fe117bde9860de83841e64b32eec25f7660ba
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Q

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/1076-256-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
756	csrsll.exe
2600	csrsll.exe
1076	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.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-1-5-21-1488793075-819845221-1497111674-1000\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 2960 set thread context of 2628	2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	31
PID 756 set thread context of 2600	756	csrsll.exe	36
PID 756 set thread context of 1076	756	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2960-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2960-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2628-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2628-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2628-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2960-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2960-85-0x0000000000090000-0x0000000000190000-memory.dmp	upx
behavioral1/memory/2960-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2628-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2628-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2628-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a000000016de4-129.dat	upx
behavioral1/memory/2628-131-0x0000000002550000-0x00000000025A3000-memory.dmp	upx
behavioral1/memory/2628-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2628-248-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/756-243-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1076-242-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/756-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1076-256-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.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 AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe
Token: SeDebugPrivilege	2600	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
756	csrsll.exe
2600	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2628	2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	31
PID 2960 wrote to memory of 2628	2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	31
PID 2960 wrote to memory of 2628	2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	31
PID 2960 wrote to memory of 2628	2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	31
PID 2960 wrote to memory of 2628	2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	31
PID 2960 wrote to memory of 2628	2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	31
PID 2960 wrote to memory of 2628	2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	31
PID 2960 wrote to memory of 2628	2960	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	31
PID 2628 wrote to memory of 2044	2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	32
PID 2628 wrote to memory of 2044	2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	32
PID 2628 wrote to memory of 2044	2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	32
PID 2628 wrote to memory of 2044	2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	32
PID 2044 wrote to memory of 1956	2044	cmd.exe	34
PID 2044 wrote to memory of 1956	2044	cmd.exe	34
PID 2044 wrote to memory of 1956	2044	cmd.exe	34
PID 2044 wrote to memory of 1956	2044	cmd.exe	34
PID 2628 wrote to memory of 756	2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	35
PID 2628 wrote to memory of 756	2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	35
PID 2628 wrote to memory of 756	2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	35
PID 2628 wrote to memory of 756	2628	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	35
PID 756 wrote to memory of 2600	756	csrsll.exe	36
PID 756 wrote to memory of 2600	756	csrsll.exe	36
PID 756 wrote to memory of 2600	756	csrsll.exe	36
PID 756 wrote to memory of 2600	756	csrsll.exe	36
PID 756 wrote to memory of 2600	756	csrsll.exe	36
PID 756 wrote to memory of 2600	756	csrsll.exe	36
PID 756 wrote to memory of 2600	756	csrsll.exe	36
PID 756 wrote to memory of 2600	756	csrsll.exe	36
PID 756 wrote to memory of 1076	756	csrsll.exe	37
PID 756 wrote to memory of 1076	756	csrsll.exe	37
PID 756 wrote to memory of 1076	756	csrsll.exe	37
PID 756 wrote to memory of 1076	756	csrsll.exe	37
PID 756 wrote to memory of 1076	756	csrsll.exe	37
PID 756 wrote to memory of 1076	756	csrsll.exe	37
PID 756 wrote to memory of 1076	756	csrsll.exe	37
PID 756 wrote to memory of 1076	756	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
"C:\Users\Admin\AppData\Local\Temp\c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Users\Admin\AppData\Local\Temp\c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
  "C:\Users\Admin\AppData\Local\Temp\c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\EJYWF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2044
  - - 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:1956
- - 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:756
  - - 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:2600
  - - 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:1076

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\EJYWF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d4438b39693d5c7e6a9d69cd299b7894

SHA1
98545f13a1b6bd5c3cfb7550bbbd316b6c9d6578

SHA256
3f7cce28cf7a6f4f9fbf49d389d02aa6e7b44ebf77a00f2aa1dcb373eb3f5adb

SHA512
2a283051179f849b05a8a28e75b3cbf7792923ffbc2f199fa26683e7bad80f23b9d2bd8859e577ffa10412a347d0f134c46a4f400509dcb2708486872ceb1d5a

Download Submit
memory/756-163-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/756-174-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/756-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/756-243-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/756-153-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1076-256-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1076-242-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2600-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-208-0x0000000002550000-0x00000000025A3000-memory.dmp

Filesize
332KB

Download
memory/2628-209-0x0000000002550000-0x00000000025A3000-memory.dmp

Filesize
332KB

Download
memory/2628-146-0x0000000002550000-0x00000000025A3000-memory.dmp

Filesize
332KB

Download
memory/2628-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2628-144-0x0000000002550000-0x00000000025A3000-memory.dmp

Filesize
332KB

Download
memory/2628-145-0x0000000002550000-0x00000000025A3000-memory.dmp

Filesize
332KB

Download
memory/2628-131-0x0000000002550000-0x00000000025A3000-memory.dmp

Filesize
332KB

Download
memory/2960-29-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2960-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2960-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2960-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2960-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2960-85-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2960-41-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2960-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2960-71-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2960-86-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2960-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2960-79-0x0000000000480000-0x0000000000482000-memory.dmp

Filesize
8KB

Download
memory/2960-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2960-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2960-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads