modiloader | cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377

Analysis

max time kernel
149s
max time network
149s
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, 05:41

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General

Target

cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
Size

90KB
MD5

568191ff4d42f3b4e07c846000396d53
SHA1

a00dcd3c927796699210b90f2b26b0994b176b28
SHA256

cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377
SHA512

62cb24feaa515846fcb03674b8b9cc6b86117d889c7dfc6431611681df3eb97d98080f6ab1adeaad779511150a10647830d66ba2d28f2730fd89663a09f85b04
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDM:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3K

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/5088-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5088-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5088-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5088-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe

Executes dropped EXE 3 IoCs

pid	Process
3424	csrsll.exe
5112	csrsll.exe
5088	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-1-5-21-3756129449-3121373848-4276368241-1000\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 3548 set thread context of 2464	3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	84
PID 3424 set thread context of 5112	3424	csrsll.exe	95
PID 3424 set thread context of 5088	3424	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3548-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3548-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2464-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2464-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2464-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3548-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b7e-30.dat	upx
behavioral2/memory/2464-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3424-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5088-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5088-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2464-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5088-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3424-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5088-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5088-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3424-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5112-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5088-62-0x0000000000400000-0x0000000000414000-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	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe
Token: SeDebugPrivilege	5112	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
2464	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
3424	csrsll.exe
5112	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 2464	3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	84
PID 3548 wrote to memory of 2464	3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	84
PID 3548 wrote to memory of 2464	3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	84
PID 3548 wrote to memory of 2464	3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	84
PID 3548 wrote to memory of 2464	3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	84
PID 3548 wrote to memory of 2464	3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	84
PID 3548 wrote to memory of 2464	3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	84
PID 3548 wrote to memory of 2464	3548	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	84
PID 2464 wrote to memory of 2668	2464	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	87
PID 2464 wrote to memory of 2668	2464	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	87
PID 2464 wrote to memory of 2668	2464	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	87
PID 2668 wrote to memory of 2816	2668	cmd.exe	90
PID 2668 wrote to memory of 2816	2668	cmd.exe	90
PID 2668 wrote to memory of 2816	2668	cmd.exe	90
PID 2464 wrote to memory of 3424	2464	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	91
PID 2464 wrote to memory of 3424	2464	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	91
PID 2464 wrote to memory of 3424	2464	cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe	91
PID 3424 wrote to memory of 5112	3424	csrsll.exe	95
PID 3424 wrote to memory of 5112	3424	csrsll.exe	95
PID 3424 wrote to memory of 5112	3424	csrsll.exe	95
PID 3424 wrote to memory of 5112	3424	csrsll.exe	95
PID 3424 wrote to memory of 5112	3424	csrsll.exe	95
PID 3424 wrote to memory of 5112	3424	csrsll.exe	95
PID 3424 wrote to memory of 5112	3424	csrsll.exe	95
PID 3424 wrote to memory of 5112	3424	csrsll.exe	95
PID 3424 wrote to memory of 5088	3424	csrsll.exe	96
PID 3424 wrote to memory of 5088	3424	csrsll.exe	96
PID 3424 wrote to memory of 5088	3424	csrsll.exe	96
PID 3424 wrote to memory of 5088	3424	csrsll.exe	96
PID 3424 wrote to memory of 5088	3424	csrsll.exe	96
PID 3424 wrote to memory of 5088	3424	csrsll.exe	96
PID 3424 wrote to memory of 5088	3424	csrsll.exe	96
PID 3424 wrote to memory of 5088	3424	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
"C:\Users\Admin\AppData\Local\Temp\cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Users\Admin\AppData\Local\Temp\cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe
  "C:\Users\Admin\AppData\Local\Temp\cba2f888e4d9246e11708dd4cf62cc4eed645abd37ec7cda5ee278b76d21a377.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FKYXJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - 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:2816
- - 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:3424
  - - 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:5112
  - - 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:5088

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\FKYXJ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8d610e8de9b31314f4cc611bfa6981a6

SHA1
c747df9b6cc85013c50f28bcd72b5479e8b6b96a

SHA256
37f6a629c295f0df5bcaa0bc9dfe17b28a1ea5c72e3898af1fc6fdcefd784855

SHA512
392c7d12dcdbe4c8a1ee9b8e627d65ab6b81a562df3f35e6ff7ebb80e9867808eed13fb9f3637df4dbabc4f8f63e28860929072b9f46920ae40c41833ffa1c14

Download Submit
memory/2464-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2464-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2464-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2464-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2464-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3424-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3424-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3424-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3548-7-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/3548-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3548-4-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/3548-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3548-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/3548-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3548-6-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/5088-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5112-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads