modiloader | 7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8a

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
01/12/2024, 01:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe
Size

90KB
MD5

86e854fb27eb50fb90097ecf879b54b0
SHA1

3c89186a54e3a09839d05d6aa7cb1ae9362e6175
SHA256

7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8a
SHA512

0ad6633107c72cacf805e827d93c62889689914cdc1f3b497eabb3099efbbb5131b21f3f33b23ec4f3b93e133e57ca46892742e47389323c1fcee22e36e78e7b
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD8:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3O

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/4620-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4620-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4620-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4620-62-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe

Executes dropped EXE 3 IoCs

pid	Process
5068	csrsll.exe
1412	csrsll.exe
4620	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-1-5-21-4050598569-1597076380-177084960-1000\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 440 set thread context of 376	440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	84
PID 5068 set thread context of 1412	5068	csrsll.exe	95
PID 5068 set thread context of 4620	5068	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/440-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/440-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/376-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/376-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/376-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/440-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b6b-29.dat	upx
behavioral2/memory/376-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5068-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5068-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4620-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4620-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4620-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4620-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4620-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/376-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1412-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4620-62-0x0000000000400000-0x0000000000414000-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	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.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	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe
Token: SeDebugPrivilege	1412	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe
376	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe
5068	csrsll.exe
1412	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 440 wrote to memory of 376	440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	84
PID 440 wrote to memory of 376	440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	84
PID 440 wrote to memory of 376	440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	84
PID 440 wrote to memory of 376	440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	84
PID 440 wrote to memory of 376	440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	84
PID 440 wrote to memory of 376	440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	84
PID 440 wrote to memory of 376	440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	84
PID 440 wrote to memory of 376	440	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	84
PID 376 wrote to memory of 3464	376	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	87
PID 376 wrote to memory of 3464	376	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	87
PID 376 wrote to memory of 3464	376	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	87
PID 3464 wrote to memory of 4960	3464	cmd.exe	90
PID 3464 wrote to memory of 4960	3464	cmd.exe	90
PID 3464 wrote to memory of 4960	3464	cmd.exe	90
PID 376 wrote to memory of 5068	376	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	91
PID 376 wrote to memory of 5068	376	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	91
PID 376 wrote to memory of 5068	376	7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe	91
PID 5068 wrote to memory of 1412	5068	csrsll.exe	95
PID 5068 wrote to memory of 1412	5068	csrsll.exe	95
PID 5068 wrote to memory of 1412	5068	csrsll.exe	95
PID 5068 wrote to memory of 1412	5068	csrsll.exe	95
PID 5068 wrote to memory of 1412	5068	csrsll.exe	95
PID 5068 wrote to memory of 1412	5068	csrsll.exe	95
PID 5068 wrote to memory of 1412	5068	csrsll.exe	95
PID 5068 wrote to memory of 1412	5068	csrsll.exe	95
PID 5068 wrote to memory of 4620	5068	csrsll.exe	96
PID 5068 wrote to memory of 4620	5068	csrsll.exe	96
PID 5068 wrote to memory of 4620	5068	csrsll.exe	96
PID 5068 wrote to memory of 4620	5068	csrsll.exe	96
PID 5068 wrote to memory of 4620	5068	csrsll.exe	96
PID 5068 wrote to memory of 4620	5068	csrsll.exe	96
PID 5068 wrote to memory of 4620	5068	csrsll.exe	96
PID 5068 wrote to memory of 4620	5068	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe
"C:\Users\Admin\AppData\Local\Temp\7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:440
- C:\Users\Admin\AppData\Local\Temp\7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe
  "C:\Users\Admin\AppData\Local\Temp\7042f2d46e2ca45266860e44facc49d826cc69bede5defb81d5feb70242c3c8aN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:376
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FKXGG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3464
  - - 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:4960
- - 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:5068
  - - 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:1412
  - - 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:4620

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\FKXGG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4de32c53b9515f0cbd863870adc4cbed

SHA1
0d0d778accf8e64e4781ddd3ce2eb6ff60a2ebd0

SHA256
09b7528fe939762e3a583e2219dd536db168d31293b36c5641f3d1236e2b2c84

SHA512
8eff2b26f9ea5e48f9bf8e021004b8bbce049f9457baa9e6f938c7e3f6146f1d8f4f4bcbf818d5c06b735dd459e919fbab872c71fa93b44992b94205c630a42f

Download Submit
memory/376-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/376-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/376-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/376-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/376-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/376-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/440-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/440-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/440-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/440-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/440-5-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/440-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1412-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4620-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4620-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4620-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4620-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4620-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4620-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5068-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5068-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads