modiloader | 75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3

Analysis

max time kernel
119s
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
08-01-2025 03:48

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General

Target

75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe
Size

90KB
MD5

e22e307acfc01dcd08f471e5fd39d4aa
SHA1

4caed7cd300c7a13e8de80a72c449beccd2ab9e0
SHA256

75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3
SHA512

b30a24c0d38898afb7387e9f9df35eef047f881a0cd75986b3c1b6bc3300a38e038b668d68d8d433aefc3547c917323df0bb968f05cca2e4d9864620c8278bfd
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDT: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 4 IoCs

resource	yara_rule
behavioral2/memory/1712-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1712-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1712-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1712-62-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe

Executes dropped EXE 3 IoCs

pid	Process
3464	csrsll.exe
3932	csrsll.exe
1712	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-1-5-21-4089630652-1596403869-279772308-1000\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 5060 set thread context of 1396	5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	82
PID 3464 set thread context of 3932	3464	csrsll.exe	92
PID 3464 set thread context of 1712	3464	csrsll.exe	93

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5060-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5060-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1396-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1396-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5060-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1396-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023bf9-30.dat	upx
behavioral2/memory/1396-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3464-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3464-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1712-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1712-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1712-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1712-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1712-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3464-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1396-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3932-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1712-62-0x0000000000400000-0x0000000000414000-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	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.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	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe
Token: SeDebugPrivilege	3932	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe
1396	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe
3464	csrsll.exe
3932	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 1396	5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	82
PID 5060 wrote to memory of 1396	5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	82
PID 5060 wrote to memory of 1396	5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	82
PID 5060 wrote to memory of 1396	5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	82
PID 5060 wrote to memory of 1396	5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	82
PID 5060 wrote to memory of 1396	5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	82
PID 5060 wrote to memory of 1396	5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	82
PID 5060 wrote to memory of 1396	5060	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	82
PID 1396 wrote to memory of 5040	1396	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	83
PID 1396 wrote to memory of 5040	1396	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	83
PID 1396 wrote to memory of 5040	1396	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	83
PID 5040 wrote to memory of 2616	5040	cmd.exe	86
PID 5040 wrote to memory of 2616	5040	cmd.exe	86
PID 5040 wrote to memory of 2616	5040	cmd.exe	86
PID 1396 wrote to memory of 3464	1396	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	87
PID 1396 wrote to memory of 3464	1396	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	87
PID 1396 wrote to memory of 3464	1396	75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe	87
PID 3464 wrote to memory of 3932	3464	csrsll.exe	92
PID 3464 wrote to memory of 3932	3464	csrsll.exe	92
PID 3464 wrote to memory of 3932	3464	csrsll.exe	92
PID 3464 wrote to memory of 3932	3464	csrsll.exe	92
PID 3464 wrote to memory of 3932	3464	csrsll.exe	92
PID 3464 wrote to memory of 3932	3464	csrsll.exe	92
PID 3464 wrote to memory of 3932	3464	csrsll.exe	92
PID 3464 wrote to memory of 3932	3464	csrsll.exe	92
PID 3464 wrote to memory of 1712	3464	csrsll.exe	93
PID 3464 wrote to memory of 1712	3464	csrsll.exe	93
PID 3464 wrote to memory of 1712	3464	csrsll.exe	93
PID 3464 wrote to memory of 1712	3464	csrsll.exe	93
PID 3464 wrote to memory of 1712	3464	csrsll.exe	93
PID 3464 wrote to memory of 1712	3464	csrsll.exe	93
PID 3464 wrote to memory of 1712	3464	csrsll.exe	93
PID 3464 wrote to memory of 1712	3464	csrsll.exe	93

C:\Users\Admin\AppData\Local\Temp\75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe
"C:\Users\Admin\AppData\Local\Temp\75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Users\Admin\AppData\Local\Temp\75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe
  "C:\Users\Admin\AppData\Local\Temp\75ef422917a65077dc45c80f9d436eb7d388ef2f8d1efa74af0b00cf3cca70d3.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QVHFJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5040
  - - 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:2616
- - 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:3464
  - - 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:3932
  - - 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:1712

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\QVHFJ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
49302fa5917a243ab6dcacea54467ad0

SHA1
01d00b2e3e9e2331521ff6aa0e537f7068c1332b

SHA256
e25b88feecffdc335f34111340a1ff772fd1fe1d0b103f42279dadfd315de2ca

SHA512
5b898695e5272c228b20b1287e5cb68fa0a1a9042b91e613838ddf7b793700d01079efbb1dc21149b9fbd335dfc71a410205a9808c7e09dc57974042d0c8f96e

Download Submit
memory/1396-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1396-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1396-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1396-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1396-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1396-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1712-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1712-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1712-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1712-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1712-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1712-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3464-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3464-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3932-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5060-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5060-6-0x0000000002C70000-0x0000000002C72000-memory.dmp

Filesize
8KB

Download
memory/5060-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5060-4-0x0000000002C50000-0x0000000002C52000-memory.dmp

Filesize
8KB

Download
memory/5060-3-0x0000000002B40000-0x0000000002B42000-memory.dmp

Filesize
8KB

Download
memory/5060-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads