modiloader | 9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 08:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe
Size

90KB
MD5

6543467b921ad7bf43f519c4a75f9920
SHA1

c6d12b898ec17276a8cd5d04c6996183551e530b
SHA256

9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75
SHA512

475ab5f2040e4f7eda8b1b1b72edc389b3b6fd61bcf2ba38da3d3569433bed02b69a930c17003e8b1b077cbb50718fae408d619e683bea4478d7d239375ccbd6
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 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4156-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4156-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4156-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4156-63-0x0000000000400000-0x0000000000414000-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

Processes:

9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid	Process
2172	csrsll.exe
4156	csrsll.exe
4484	csrsll.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.execsrsll.exe

description	pid	Process	procid_target
PID 208 set thread context of 432	208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	92
PID 2172 set thread context of 4484	2172	csrsll.exe	105
PID 2172 set thread context of 4156	2172	csrsll.exe	106

UPX packed file 20 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/208-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/208-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/432-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/432-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/208-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/432-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cc2-29.dat	upx
behavioral2/memory/2172-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/432-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2172-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4156-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4156-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4156-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2172-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/432-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4156-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4156-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2172-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4484-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4156-63-0x0000000000400000-0x0000000000414000-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

Processes:

reg.execsrsll.execsrsll.execsrsll.exe9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.execmd.exe

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	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

csrsll.exe

description	pid	Process
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe
Token: SeDebugPrivilege	4484	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.execsrsll.execsrsll.exe

pid	Process
208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe
432	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe
2172	csrsll.exe
4484	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.execmd.execsrsll.exe

description	pid	Process	procid_target
PID 208 wrote to memory of 432	208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	92
PID 208 wrote to memory of 432	208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	92
PID 208 wrote to memory of 432	208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	92
PID 208 wrote to memory of 432	208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	92
PID 208 wrote to memory of 432	208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	92
PID 208 wrote to memory of 432	208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	92
PID 208 wrote to memory of 432	208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	92
PID 208 wrote to memory of 432	208	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	92
PID 432 wrote to memory of 4884	432	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	95
PID 432 wrote to memory of 4884	432	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	95
PID 432 wrote to memory of 4884	432	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	95
PID 4884 wrote to memory of 4124	4884	cmd.exe	99
PID 4884 wrote to memory of 4124	4884	cmd.exe	99
PID 4884 wrote to memory of 4124	4884	cmd.exe	99
PID 432 wrote to memory of 2172	432	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	100
PID 432 wrote to memory of 2172	432	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	100
PID 432 wrote to memory of 2172	432	9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe	100
PID 2172 wrote to memory of 4484	2172	csrsll.exe	105
PID 2172 wrote to memory of 4484	2172	csrsll.exe	105
PID 2172 wrote to memory of 4484	2172	csrsll.exe	105
PID 2172 wrote to memory of 4484	2172	csrsll.exe	105
PID 2172 wrote to memory of 4484	2172	csrsll.exe	105
PID 2172 wrote to memory of 4484	2172	csrsll.exe	105
PID 2172 wrote to memory of 4484	2172	csrsll.exe	105
PID 2172 wrote to memory of 4484	2172	csrsll.exe	105
PID 2172 wrote to memory of 4156	2172	csrsll.exe	106
PID 2172 wrote to memory of 4156	2172	csrsll.exe	106
PID 2172 wrote to memory of 4156	2172	csrsll.exe	106
PID 2172 wrote to memory of 4156	2172	csrsll.exe	106
PID 2172 wrote to memory of 4156	2172	csrsll.exe	106
PID 2172 wrote to memory of 4156	2172	csrsll.exe	106
PID 2172 wrote to memory of 4156	2172	csrsll.exe	106
PID 2172 wrote to memory of 4156	2172	csrsll.exe	106

C:\Users\Admin\AppData\Local\Temp\9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe
"C:\Users\Admin\AppData\Local\Temp\9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:208
- C:\Users\Admin\AppData\Local\Temp\9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe
  "C:\Users\Admin\AppData\Local\Temp\9306d9100781d92b43f5e030e0888ef558a52e42da62a0b2a9aebdfa77651d75N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:432
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DGRTO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4884
  - - 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:4124
- - 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:2172
  - - 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:4484
  - - 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:4156

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DGRTO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
5d31527bb0ccdc91f84e3fe0890060d5

SHA1
b7feec37cc7c5d72b4ed077e65d2af3ba7d958b0

SHA256
5479c29b1ae238e7834914a47196dd0882c4110b7d58263d6e4a7f1c4ee94f77

SHA512
e67bfd47dcaa790f81e57aa234b8dc0880fceaefd043bef43e7606f79fac34539e1539c7edb88a77bfdd65dce679bc6fe49a7b92699dddfaee9075e80f3f478c

Download Submit
memory/208-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/208-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/208-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/208-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/208-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/208-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/432-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/432-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/432-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/432-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/432-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/432-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2172-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2172-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2172-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2172-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4156-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4156-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4156-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4156-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4156-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4156-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4484-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download