modiloader | f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2024, 15:04

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General

Target

f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
Size

90KB
MD5

43676da455fd1bf64a8fa72b6f7d373e
SHA1

91fa5a048de0ee6501028ad5cceae93c1de1b7a7
SHA256

f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd
SHA512

b56c323347aad2cd982d70a766effd1885d58690c1a766298c871efd5d47e52dced7ad1b1556aab3e8f94ed6848cdf1422089c1ecda1f04e95af5d2575cb198a
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3r

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 4 IoCs

resource	yara_rule
behavioral2/memory/2620-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2620-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2620-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2620-61-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe

Executes dropped EXE 3 IoCs

pid	Process
3960	csrsll.exe
3732	csrsll.exe
2620	csrsll.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-1-5-21-3350944739-639801879-157714471-1000\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 116 set thread context of 3576	116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	90
PID 3960 set thread context of 3732	3960	csrsll.exe	99
PID 3960 set thread context of 2620	3960	csrsll.exe	100

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/116-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/116-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3576-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3576-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/116-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3576-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c88-29.dat	upx
behavioral2/memory/3576-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3960-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3960-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2620-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2620-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2620-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2620-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2620-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3960-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3576-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3732-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2620-61-0x0000000000400000-0x0000000000414000-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	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.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	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
3576	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
3960	csrsll.exe
3732	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 3576	116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	90
PID 116 wrote to memory of 3576	116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	90
PID 116 wrote to memory of 3576	116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	90
PID 116 wrote to memory of 3576	116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	90
PID 116 wrote to memory of 3576	116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	90
PID 116 wrote to memory of 3576	116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	90
PID 116 wrote to memory of 3576	116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	90
PID 116 wrote to memory of 3576	116	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	90
PID 3576 wrote to memory of 4296	3576	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	94
PID 3576 wrote to memory of 4296	3576	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	94
PID 3576 wrote to memory of 4296	3576	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	94
PID 4296 wrote to memory of 4308	4296	cmd.exe	97
PID 4296 wrote to memory of 4308	4296	cmd.exe	97
PID 4296 wrote to memory of 4308	4296	cmd.exe	97
PID 3576 wrote to memory of 3960	3576	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	98
PID 3576 wrote to memory of 3960	3576	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	98
PID 3576 wrote to memory of 3960	3576	f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe	98
PID 3960 wrote to memory of 3732	3960	csrsll.exe	99
PID 3960 wrote to memory of 3732	3960	csrsll.exe	99
PID 3960 wrote to memory of 3732	3960	csrsll.exe	99
PID 3960 wrote to memory of 3732	3960	csrsll.exe	99
PID 3960 wrote to memory of 3732	3960	csrsll.exe	99
PID 3960 wrote to memory of 3732	3960	csrsll.exe	99
PID 3960 wrote to memory of 3732	3960	csrsll.exe	99
PID 3960 wrote to memory of 3732	3960	csrsll.exe	99
PID 3960 wrote to memory of 2620	3960	csrsll.exe	100
PID 3960 wrote to memory of 2620	3960	csrsll.exe	100
PID 3960 wrote to memory of 2620	3960	csrsll.exe	100
PID 3960 wrote to memory of 2620	3960	csrsll.exe	100
PID 3960 wrote to memory of 2620	3960	csrsll.exe	100
PID 3960 wrote to memory of 2620	3960	csrsll.exe	100
PID 3960 wrote to memory of 2620	3960	csrsll.exe	100
PID 3960 wrote to memory of 2620	3960	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
"C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:116
- C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
  "C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3576
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BAQRO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4296
  - - 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:4308
- - 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:3960
  - - 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:3732
  - - 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:2620

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

Query Registry

T1012

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\BAQRO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d979a82697cd7b4212b8d468ed74800d

SHA1
88d5c80a6790a180decfc1ce61a5902893322281

SHA256
85b2f177951e3d17945d6b2a4bd8fe5c5532fed96f502bae3a004b28fafed1d5

SHA512
6b10c2537f174bcd4d8c56d81e1193f730a714e861a095f84f9303d86048a8821b0fb029d73d6c2cb7ee16e84f29774769f76d4f1248ead9fff4f0b56c34e3d8

Download Submit
memory/116-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/116-4-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/116-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/116-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/116-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/116-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2620-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2620-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2620-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2620-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2620-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2620-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3576-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3576-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3576-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3576-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3576-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3732-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3960-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3960-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3960-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads