modiloader | f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570

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
22-12-2024 08:41

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General

Target

f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
Size

90KB
MD5

dd5343f3ce84b6961d9e8159ff00b560
SHA1

bad070c2e4518cdead6bd840a5c2164cadf44b90
SHA256

f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570
SHA512

0d9f850d26a570ff83b6d3a43eaa7b868a0e9d718f48481c6759b1d3e09722ebe467fc1fabbc1c5ec6557649faf922b9af46bd5e3ee3bad00bf8d37523ec26be
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD6:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3M

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/5064-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5064-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5064-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5064-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe

Executes dropped EXE 3 IoCs

pid	Process
3476	csrsll.exe
4500	csrsll.exe
5064	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-1-5-21-2437139445-1151884604-3026847218-1000\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 3004 set thread context of 3080	3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	83
PID 3476 set thread context of 4500	3476	csrsll.exe	101
PID 3476 set thread context of 5064	3476	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3004-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3004-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3080-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3080-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3080-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3004-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b89-30.dat	upx
behavioral2/memory/3080-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3476-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3476-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5064-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5064-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5064-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5064-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3476-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5064-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3080-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4500-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5064-62-0x0000000000400000-0x0000000000414000-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	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe
Token: SeDebugPrivilege	4500	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
3080	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
3476	csrsll.exe
4500	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 3080	3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	83
PID 3004 wrote to memory of 3080	3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	83
PID 3004 wrote to memory of 3080	3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	83
PID 3004 wrote to memory of 3080	3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	83
PID 3004 wrote to memory of 3080	3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	83
PID 3004 wrote to memory of 3080	3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	83
PID 3004 wrote to memory of 3080	3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	83
PID 3004 wrote to memory of 3080	3004	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	83
PID 3080 wrote to memory of 1464	3080	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	84
PID 3080 wrote to memory of 1464	3080	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	84
PID 3080 wrote to memory of 1464	3080	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	84
PID 1464 wrote to memory of 3404	1464	cmd.exe	90
PID 1464 wrote to memory of 3404	1464	cmd.exe	90
PID 1464 wrote to memory of 3404	1464	cmd.exe	90
PID 3080 wrote to memory of 3476	3080	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	91
PID 3080 wrote to memory of 3476	3080	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	91
PID 3080 wrote to memory of 3476	3080	f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe	91
PID 3476 wrote to memory of 4500	3476	csrsll.exe	101
PID 3476 wrote to memory of 4500	3476	csrsll.exe	101
PID 3476 wrote to memory of 4500	3476	csrsll.exe	101
PID 3476 wrote to memory of 4500	3476	csrsll.exe	101
PID 3476 wrote to memory of 4500	3476	csrsll.exe	101
PID 3476 wrote to memory of 4500	3476	csrsll.exe	101
PID 3476 wrote to memory of 4500	3476	csrsll.exe	101
PID 3476 wrote to memory of 4500	3476	csrsll.exe	101
PID 3476 wrote to memory of 5064	3476	csrsll.exe	102
PID 3476 wrote to memory of 5064	3476	csrsll.exe	102
PID 3476 wrote to memory of 5064	3476	csrsll.exe	102
PID 3476 wrote to memory of 5064	3476	csrsll.exe	102
PID 3476 wrote to memory of 5064	3476	csrsll.exe	102
PID 3476 wrote to memory of 5064	3476	csrsll.exe	102
PID 3476 wrote to memory of 5064	3476	csrsll.exe	102
PID 3476 wrote to memory of 5064	3476	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
"C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
  "C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3080
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LYFOX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1464
  - - 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:3404
- - 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:3476
  - - 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:4500
  - - 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:5064

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\LYFOX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
06d9d25cfcf2a98e351b7eed38741cf2

SHA1
2d06fbcf4f2caeaf7c246e355697ae910f08ebda

SHA256
3c05a315d8352ad689b52cefdbed2e568f685f5b68ebf59452dfd2ac07800d5c

SHA512
0a8c460e2eabddd2979f900fb75ba832ce7a1dc1391b952b1dad43e7906bc6c3045c70d6631bc4ae26a24338b57d4c12250e5f5580d3dafef8a5afde7fa285ba

Download Submit
memory/3004-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3004-3-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/3004-4-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/3004-6-0x0000000002210000-0x0000000002212000-memory.dmp

Filesize
8KB

Download
memory/3004-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3004-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3080-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3080-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3080-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3080-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3080-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3476-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3476-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3476-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4500-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5064-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads