modiloader | 14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468

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
04-12-2024 04:20

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General

Target

14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe
Size

90KB
MD5

e4ec3eed8a009273878e475f0a8c3740
SHA1

0fc4d8e2ee3422b321fa9a4fa549f726945d5dba
SHA256

14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468
SHA512

986f4a93c7ed7fff2e55f861df454c7d7d8bf4a8936b2ca255f5cdb8c729b96932d0fc5061a6588ed3b2adb6d0c83e347ddf98c082f34fb3874fc199a696daeb
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3l

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/3672-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3672-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3672-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3672-62-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe

Executes dropped EXE 3 IoCs

pid	Process
3256	csrsll.exe
4296	csrsll.exe
3672	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-1-5-21-1045960512-3948844814-3059691613-1000\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 2588 set thread context of 4744	2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	84
PID 3256 set thread context of 4296	3256	csrsll.exe	91
PID 3256 set thread context of 3672	3256	csrsll.exe	92

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2588-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2588-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4744-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4744-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4744-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2588-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b88-29.dat	upx
behavioral2/memory/4744-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3256-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3672-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3672-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3672-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3672-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3256-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3672-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3256-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4744-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4296-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3672-62-0x0000000000400000-0x0000000000414000-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	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.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	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe
Token: SeDebugPrivilege	4296	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe
4744	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe
3256	csrsll.exe
4296	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4744	2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	84
PID 2588 wrote to memory of 4744	2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	84
PID 2588 wrote to memory of 4744	2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	84
PID 2588 wrote to memory of 4744	2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	84
PID 2588 wrote to memory of 4744	2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	84
PID 2588 wrote to memory of 4744	2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	84
PID 2588 wrote to memory of 4744	2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	84
PID 2588 wrote to memory of 4744	2588	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	84
PID 4744 wrote to memory of 2252	4744	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	85
PID 4744 wrote to memory of 2252	4744	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	85
PID 4744 wrote to memory of 2252	4744	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	85
PID 2252 wrote to memory of 4776	2252	cmd.exe	89
PID 2252 wrote to memory of 4776	2252	cmd.exe	89
PID 2252 wrote to memory of 4776	2252	cmd.exe	89
PID 4744 wrote to memory of 3256	4744	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	90
PID 4744 wrote to memory of 3256	4744	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	90
PID 4744 wrote to memory of 3256	4744	14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe	90
PID 3256 wrote to memory of 4296	3256	csrsll.exe	91
PID 3256 wrote to memory of 4296	3256	csrsll.exe	91
PID 3256 wrote to memory of 4296	3256	csrsll.exe	91
PID 3256 wrote to memory of 4296	3256	csrsll.exe	91
PID 3256 wrote to memory of 4296	3256	csrsll.exe	91
PID 3256 wrote to memory of 4296	3256	csrsll.exe	91
PID 3256 wrote to memory of 4296	3256	csrsll.exe	91
PID 3256 wrote to memory of 4296	3256	csrsll.exe	91
PID 3256 wrote to memory of 3672	3256	csrsll.exe	92
PID 3256 wrote to memory of 3672	3256	csrsll.exe	92
PID 3256 wrote to memory of 3672	3256	csrsll.exe	92
PID 3256 wrote to memory of 3672	3256	csrsll.exe	92
PID 3256 wrote to memory of 3672	3256	csrsll.exe	92
PID 3256 wrote to memory of 3672	3256	csrsll.exe	92
PID 3256 wrote to memory of 3672	3256	csrsll.exe	92
PID 3256 wrote to memory of 3672	3256	csrsll.exe	92

C:\Users\Admin\AppData\Local\Temp\14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe
"C:\Users\Admin\AppData\Local\Temp\14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Users\Admin\AppData\Local\Temp\14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe
  "C:\Users\Admin\AppData\Local\Temp\14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4744
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RDLDU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2252
  - - 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:4776
- - 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:3256
  - - 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:4296
  - - 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:3672

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\RDLDU.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e4ec3eed8a009273878e475f0a8c3740

SHA1
0fc4d8e2ee3422b321fa9a4fa549f726945d5dba

SHA256
14826c8f6897650c0ccca0e2857a1fa4da5ebcd43c973541c6056351a5b5f468

SHA512
986f4a93c7ed7fff2e55f861df454c7d7d8bf4a8936b2ca255f5cdb8c729b96932d0fc5061a6588ed3b2adb6d0c83e347ddf98c082f34fb3874fc199a696daeb

Download Submit
memory/2588-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/2588-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/2588-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2588-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/2588-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2588-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3256-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3256-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3256-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3672-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3672-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3672-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3672-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3672-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3672-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4296-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4744-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4744-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4744-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4744-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4744-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4744-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads