modiloader | 316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 22:07

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General

Target

316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
Size

90KB
MD5

504f81dc9d37bd30b192d8da3b60266b
SHA1

bcc88725a36b265216f6b10a856c17ba5485f7e0
SHA256

316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3
SHA512

72df202eb76c5c93c3594757cdf5aef99f04ffc65f2228409015e8474de563c933fccf0a65ad4920aec3a609ceae5caab0ab2c36ddbece949ec2b7f70c0b93ad
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD2:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3A

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/2844-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2544	csrsll.exe
1892	csrsll.exe
2844	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.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 2308 set thread context of 2924	2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	31
PID 2544 set thread context of 1892	2544	csrsll.exe	36
PID 2544 set thread context of 2844	2544	csrsll.exe	37

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2308-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2308-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2308-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2308-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2924-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2924-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2924-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2308-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2924-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2924-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2924-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2308-93-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000a0000000120f9-133.dat	upx
behavioral1/memory/2924-135-0x0000000003140000-0x0000000003193000-memory.dmp	upx
behavioral1/memory/2924-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1892-246-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2544-241-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2844-250-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2544-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2924-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1892-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2844-262-0x0000000000400000-0x0000000000414000-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	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe
Token: SeDebugPrivilege	1892	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
2544	csrsll.exe
1892	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2924	2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	31
PID 2308 wrote to memory of 2924	2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	31
PID 2308 wrote to memory of 2924	2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	31
PID 2308 wrote to memory of 2924	2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	31
PID 2308 wrote to memory of 2924	2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	31
PID 2308 wrote to memory of 2924	2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	31
PID 2308 wrote to memory of 2924	2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	31
PID 2308 wrote to memory of 2924	2308	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	31
PID 2924 wrote to memory of 1392	2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	32
PID 2924 wrote to memory of 1392	2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	32
PID 2924 wrote to memory of 1392	2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	32
PID 2924 wrote to memory of 1392	2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	32
PID 1392 wrote to memory of 580	1392	cmd.exe	34
PID 1392 wrote to memory of 580	1392	cmd.exe	34
PID 1392 wrote to memory of 580	1392	cmd.exe	34
PID 1392 wrote to memory of 580	1392	cmd.exe	34
PID 2924 wrote to memory of 2544	2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	35
PID 2924 wrote to memory of 2544	2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	35
PID 2924 wrote to memory of 2544	2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	35
PID 2924 wrote to memory of 2544	2924	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	35
PID 2544 wrote to memory of 1892	2544	csrsll.exe	36
PID 2544 wrote to memory of 1892	2544	csrsll.exe	36
PID 2544 wrote to memory of 1892	2544	csrsll.exe	36
PID 2544 wrote to memory of 1892	2544	csrsll.exe	36
PID 2544 wrote to memory of 1892	2544	csrsll.exe	36
PID 2544 wrote to memory of 1892	2544	csrsll.exe	36
PID 2544 wrote to memory of 1892	2544	csrsll.exe	36
PID 2544 wrote to memory of 1892	2544	csrsll.exe	36
PID 2544 wrote to memory of 2844	2544	csrsll.exe	37
PID 2544 wrote to memory of 2844	2544	csrsll.exe	37
PID 2544 wrote to memory of 2844	2544	csrsll.exe	37
PID 2544 wrote to memory of 2844	2544	csrsll.exe	37
PID 2544 wrote to memory of 2844	2544	csrsll.exe	37
PID 2544 wrote to memory of 2844	2544	csrsll.exe	37
PID 2544 wrote to memory of 2844	2544	csrsll.exe	37
PID 2544 wrote to memory of 2844	2544	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
"C:\Users\Admin\AppData\Local\Temp\316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
  "C:\Users\Admin\AppData\Local\Temp\316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\GWXUD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1392
  - - 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:580
- - 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:2544
  - - 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:1892
  - - 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:2844

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\GWXUD.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
67ea9b03face555bfa53133235d8d4ea

SHA1
52da1b9a5fb46f042107c0544460041fa45faadc

SHA256
5ab8720b2f12f69e8402a5cbd6fc0a9af3060661111b563b94e994258190b901

SHA512
11be98b2131ce9d14e74c0fb0e1d9ae0d3318f604d283923f2660f22d4a41ce43b14f4486f71685c5d944bbf9d4dda4ac27cf47253179e58c79b465188ae58c6

Download Submit
memory/1892-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1892-246-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2308-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-29-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/2308-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-79-0x0000000001D40000-0x0000000001D42000-memory.dmp

Filesize
8KB

Download
memory/2308-71-0x0000000001D20000-0x0000000001D21000-memory.dmp

Filesize
4KB

Download
memory/2308-61-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/2308-41-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/2308-93-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2308-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2308-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2308-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2544-156-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2544-241-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2544-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2544-166-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2544-177-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2844-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2844-250-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2924-135-0x0000000003140000-0x0000000003193000-memory.dmp

Filesize
332KB

Download
memory/2924-148-0x0000000003140000-0x0000000003193000-memory.dmp

Filesize
332KB

Download
memory/2924-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-245-0x0000000003140000-0x0000000003193000-memory.dmp

Filesize
332KB

Download
memory/2924-244-0x0000000003140000-0x0000000003193000-memory.dmp

Filesize
332KB

Download
memory/2924-149-0x0000000003140000-0x0000000003193000-memory.dmp

Filesize
332KB

Download
memory/2924-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2924-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads