modiloader | 340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 06:17

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General

Target

340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe
Size

90KB
MD5

76c566fcf81ca67aa560cfd1b4ccce00
SHA1

947aabc249315de8734481a03c08cbf4ad137ea6
SHA256

340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83
SHA512

7437f10946979e177b29842a97ad49b2eb33e15932e13bf2a9e8e6c4a62c824c068e8964ec36b177125035cb3f881886f1957288b996639cf85ed13b1bc2267a
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDb:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3x

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/228-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/228-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/228-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/228-61-0x0000000000400000-0x0000000000414000-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	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe

Executes dropped EXE 3 IoCs

pid	Process
1876	csrsll.exe
836	csrsll.exe
228	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 1460 set thread context of 3916	1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	84
PID 1876 set thread context of 836	1876	csrsll.exe	98
PID 1876 set thread context of 228	1876	csrsll.exe	99

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1460-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1460-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3916-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3916-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1460-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3916-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c9c-29.dat	upx
behavioral2/memory/3916-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1876-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1876-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/228-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/228-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/228-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/228-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/228-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3916-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1876-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/836-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/228-61-0x0000000000400000-0x0000000000414000-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	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	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe
Token: SeDebugPrivilege	836	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe
3916	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe
1876	csrsll.exe
836	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 3916	1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	84
PID 1460 wrote to memory of 3916	1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	84
PID 1460 wrote to memory of 3916	1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	84
PID 1460 wrote to memory of 3916	1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	84
PID 1460 wrote to memory of 3916	1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	84
PID 1460 wrote to memory of 3916	1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	84
PID 1460 wrote to memory of 3916	1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	84
PID 1460 wrote to memory of 3916	1460	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	84
PID 3916 wrote to memory of 1700	3916	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	85
PID 3916 wrote to memory of 1700	3916	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	85
PID 3916 wrote to memory of 1700	3916	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	85
PID 1700 wrote to memory of 4992	1700	cmd.exe	89
PID 1700 wrote to memory of 4992	1700	cmd.exe	89
PID 1700 wrote to memory of 4992	1700	cmd.exe	89
PID 3916 wrote to memory of 1876	3916	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	90
PID 3916 wrote to memory of 1876	3916	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	90
PID 3916 wrote to memory of 1876	3916	340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe	90
PID 1876 wrote to memory of 836	1876	csrsll.exe	98
PID 1876 wrote to memory of 836	1876	csrsll.exe	98
PID 1876 wrote to memory of 836	1876	csrsll.exe	98
PID 1876 wrote to memory of 836	1876	csrsll.exe	98
PID 1876 wrote to memory of 836	1876	csrsll.exe	98
PID 1876 wrote to memory of 836	1876	csrsll.exe	98
PID 1876 wrote to memory of 836	1876	csrsll.exe	98
PID 1876 wrote to memory of 836	1876	csrsll.exe	98
PID 1876 wrote to memory of 228	1876	csrsll.exe	99
PID 1876 wrote to memory of 228	1876	csrsll.exe	99
PID 1876 wrote to memory of 228	1876	csrsll.exe	99
PID 1876 wrote to memory of 228	1876	csrsll.exe	99
PID 1876 wrote to memory of 228	1876	csrsll.exe	99
PID 1876 wrote to memory of 228	1876	csrsll.exe	99
PID 1876 wrote to memory of 228	1876	csrsll.exe	99
PID 1876 wrote to memory of 228	1876	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe
"C:\Users\Admin\AppData\Local\Temp\340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Users\Admin\AppData\Local\Temp\340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe
  "C:\Users\Admin\AppData\Local\Temp\340e9387b0bd28e690cf6d03a6e7d881957452c648917686e86f1b3a09623f83N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3916
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NMGQX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1700
  - - 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:4992
- - 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:1876
  - - 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:836
  - - 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:228

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\NMGQX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f6ca7f2702246e006c97c3ccb091167f

SHA1
f0f4d44733997a40047abb04abe0b406fa3a9898

SHA256
df4bf90e3855aefe9a24e922342ed290c517fd1b0a0d2dc1f5534ccfc0be431c

SHA512
c11958dcd7f416b56d4b8db85ec6e8cbf3b5f33867c43284a735299eb69acf576f725f4d0f22a394d1bc8e2c116a73b2a3a3fcded90025bdb891eca0f718cf5f

Download Submit
memory/228-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/228-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/228-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/228-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/228-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/228-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/836-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1460-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1460-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1460-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1460-4-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/1460-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1460-6-0x0000000002350000-0x0000000002352000-memory.dmp

Filesize
8KB

Download
memory/1876-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1876-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1876-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3916-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3916-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3916-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3916-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3916-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads