modiloader | 6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792

Analysis

max time kernel
118s
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
25-12-2024 16:16

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General

Target

6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe
Size

90KB
MD5

eeb78ed3c0e5776829842d33e980aaf6
SHA1

571355b1394eb58a6719ddc9923e738086822cf1
SHA256

6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792
SHA512

69f669455303230c43150aa01102a3b23f9dfacecb4fa3d527ac278af6ef357145c2b3966d28e996c85074705a2a926e4c68b7845baf172c1006673ea219590d
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDe:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3U

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/4696-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4696-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4696-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4696-60-0x0000000000400000-0x0000000000414000-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	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe

Executes dropped EXE 3 IoCs

pid	Process
4676	csrsll.exe
3940	csrsll.exe
4696	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 4532 set thread context of 3776	4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	84
PID 4676 set thread context of 3940	4676	csrsll.exe	95
PID 4676 set thread context of 4696	4676	csrsll.exe	96

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4532-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4532-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3776-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3776-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4532-10-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3776-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb2-28.dat	upx
behavioral2/memory/3776-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4676-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4696-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4696-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4696-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4696-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4696-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3776-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4676-52-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3940-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4696-60-0x0000000000400000-0x0000000000414000-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	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.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	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe
Token: SeDebugPrivilege	3940	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe
3776	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe
4676	csrsll.exe
3940	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 3776	4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	84
PID 4532 wrote to memory of 3776	4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	84
PID 4532 wrote to memory of 3776	4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	84
PID 4532 wrote to memory of 3776	4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	84
PID 4532 wrote to memory of 3776	4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	84
PID 4532 wrote to memory of 3776	4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	84
PID 4532 wrote to memory of 3776	4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	84
PID 4532 wrote to memory of 3776	4532	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	84
PID 3776 wrote to memory of 3808	3776	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	87
PID 3776 wrote to memory of 3808	3776	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	87
PID 3776 wrote to memory of 3808	3776	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	87
PID 3808 wrote to memory of 4968	3808	cmd.exe	90
PID 3808 wrote to memory of 4968	3808	cmd.exe	90
PID 3808 wrote to memory of 4968	3808	cmd.exe	90
PID 3776 wrote to memory of 4676	3776	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	91
PID 3776 wrote to memory of 4676	3776	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	91
PID 3776 wrote to memory of 4676	3776	6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe	91
PID 4676 wrote to memory of 3940	4676	csrsll.exe	95
PID 4676 wrote to memory of 3940	4676	csrsll.exe	95
PID 4676 wrote to memory of 3940	4676	csrsll.exe	95
PID 4676 wrote to memory of 3940	4676	csrsll.exe	95
PID 4676 wrote to memory of 3940	4676	csrsll.exe	95
PID 4676 wrote to memory of 3940	4676	csrsll.exe	95
PID 4676 wrote to memory of 3940	4676	csrsll.exe	95
PID 4676 wrote to memory of 3940	4676	csrsll.exe	95
PID 4676 wrote to memory of 4696	4676	csrsll.exe	96
PID 4676 wrote to memory of 4696	4676	csrsll.exe	96
PID 4676 wrote to memory of 4696	4676	csrsll.exe	96
PID 4676 wrote to memory of 4696	4676	csrsll.exe	96
PID 4676 wrote to memory of 4696	4676	csrsll.exe	96
PID 4676 wrote to memory of 4696	4676	csrsll.exe	96
PID 4676 wrote to memory of 4696	4676	csrsll.exe	96
PID 4676 wrote to memory of 4696	4676	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe
"C:\Users\Admin\AppData\Local\Temp\6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Users\Admin\AppData\Local\Temp\6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe
  "C:\Users\Admin\AppData\Local\Temp\6705fdd169453da571447c9e68dec2a4d3f69fab707210a91a090678b6a57792.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3776
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CEQRM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3808
  - - 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:4968
- - 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:4676
  - - 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:3940
  - - 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:4696

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\CEQRM.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c11960082ba536d38cf45a83e9316546

SHA1
f188db1febd41fe293948d825d0ba6f1a02bb2b0

SHA256
e922becd6b4633df278b5eac93e8de22efdedd594091276b61f3ca6ef5bd0efe

SHA512
b46c2e0aaddff43188ce5cff1c1896e728da31363071282cb9953d3bee366d911cf6aba4c00d59b10111ad86ab28f9d2ccb215ed130f3dfb90a05d0849ae90bb

Download Submit
memory/3776-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3776-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3776-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3776-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3776-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3940-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-10-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4532-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4532-3-0x00000000022D0000-0x00000000022D2000-memory.dmp

Filesize
8KB

Download
memory/4532-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4532-4-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/4532-6-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4676-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4676-52-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4696-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4696-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4696-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4696-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4696-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4696-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads