modiloader | 54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 23:57

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General

Target

54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
Size

90KB
MD5

c28e08612f9299a96f00824116a66570
SHA1

bf75c5591c929fd7508619aacbda04f6f6325579
SHA256

54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6
SHA512

605207245c753f9a51e8e1a603af1ec6f79708af5a02b396f869d6fafc559205f01a41a3c2a5208537654f4abca3843cd8c882e255857ee34b5e36aaec0ca652
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

resource	yara_rule
behavioral2/memory/4864-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4864-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4864-60-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4864-64-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe

Executes dropped EXE 3 IoCs

pid	Process
2248	csrsll.exe
1532	csrsll.exe
4864	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2524 set thread context of 2012	2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	83
PID 2248 set thread context of 1532	2248	csrsll.exe	95
PID 2248 set thread context of 4864	2248	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2524-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2524-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2012-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2012-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2524-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2012-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b7b-30.dat	upx
behavioral2/memory/2248-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2012-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2248-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2248-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4864-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4864-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4864-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4864-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2248-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4864-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2012-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1532-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4864-64-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe
Token: SeDebugPrivilege	1532	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
2012	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
2248	csrsll.exe
1532	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2012	2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	83
PID 2524 wrote to memory of 2012	2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	83
PID 2524 wrote to memory of 2012	2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	83
PID 2524 wrote to memory of 2012	2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	83
PID 2524 wrote to memory of 2012	2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	83
PID 2524 wrote to memory of 2012	2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	83
PID 2524 wrote to memory of 2012	2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	83
PID 2524 wrote to memory of 2012	2524	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	83
PID 2012 wrote to memory of 4628	2012	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	84
PID 2012 wrote to memory of 4628	2012	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	84
PID 2012 wrote to memory of 4628	2012	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	84
PID 4628 wrote to memory of 4652	4628	cmd.exe	88
PID 4628 wrote to memory of 4652	4628	cmd.exe	88
PID 4628 wrote to memory of 4652	4628	cmd.exe	88
PID 2012 wrote to memory of 2248	2012	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	89
PID 2012 wrote to memory of 2248	2012	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	89
PID 2012 wrote to memory of 2248	2012	54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe	89
PID 2248 wrote to memory of 1532	2248	csrsll.exe	95
PID 2248 wrote to memory of 1532	2248	csrsll.exe	95
PID 2248 wrote to memory of 1532	2248	csrsll.exe	95
PID 2248 wrote to memory of 1532	2248	csrsll.exe	95
PID 2248 wrote to memory of 1532	2248	csrsll.exe	95
PID 2248 wrote to memory of 1532	2248	csrsll.exe	95
PID 2248 wrote to memory of 1532	2248	csrsll.exe	95
PID 2248 wrote to memory of 1532	2248	csrsll.exe	95
PID 2248 wrote to memory of 4864	2248	csrsll.exe	96
PID 2248 wrote to memory of 4864	2248	csrsll.exe	96
PID 2248 wrote to memory of 4864	2248	csrsll.exe	96
PID 2248 wrote to memory of 4864	2248	csrsll.exe	96
PID 2248 wrote to memory of 4864	2248	csrsll.exe	96
PID 2248 wrote to memory of 4864	2248	csrsll.exe	96
PID 2248 wrote to memory of 4864	2248	csrsll.exe	96
PID 2248 wrote to memory of 4864	2248	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
"C:\Users\Admin\AppData\Local\Temp\54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe
  "C:\Users\Admin\AppData\Local\Temp\54a763b665518504d4d1a4f7b0acbcc51cdf5db3944339e78fb0cad026a608a6N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MLGPY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4628
  - - 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:4652
- - 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:2248
  - - 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:1532
  - - 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:4864

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\MLGPY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d817999555962ebe54118f188f70b748

SHA1
0dbb957cdb72a1cb31aa40c9654b9c8085b4ffd0

SHA256
01f5f5a1c40b8d5a5d1b621094d083aeff0b6d9d0e565082a356c79fe9ed83b3

SHA512
7be93b9cf4259816ebe8a560f644c8d8ba82bfc1c11041ffb5a5f7c4337690b87601b3de6a734d8104cb9ca31587c6363565765e4fbf205a788698fc0285cc9b

Download Submit
memory/1532-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2012-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2012-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2012-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2012-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2012-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2248-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2248-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2248-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2248-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2524-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2524-7-0x0000000002930000-0x0000000002932000-memory.dmp

Filesize
8KB

Download
memory/2524-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2524-6-0x0000000002920000-0x0000000002922000-memory.dmp

Filesize
8KB

Download
memory/2524-3-0x0000000002900000-0x0000000002902000-memory.dmp

Filesize
8KB

Download
memory/2524-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2524-4-0x0000000002910000-0x0000000002912000-memory.dmp

Filesize
8KB

Download
memory/4864-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4864-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4864-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4864-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4864-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4864-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads