modiloader | 64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2024, 00:05

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General

Target

64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe
Size

90KB
MD5

e96b98949579f0565fd8e4ccfe36684c
SHA1

57cca645890dc10b570fdc9287f6e66d4ea89cab
SHA256

64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d
SHA512

e06eb1f7aa09f4983af69c13231c4824a61ab9a85310cd5c9c7aa531c7f70f0360c21f294002c7a0a0abe8cbdc090fd60b43cc4986302d480f61dd240e37f2fd
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDR:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3j

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/4612-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4612-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4612-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4612-62-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe

Executes dropped EXE 3 IoCs

pid	Process
4968	csrsll.exe
1620	csrsll.exe
4612	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-1-5-21-493223053-2004649691-1575712786-1000\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 1408 set thread context of 2220	1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	91
PID 4968 set thread context of 1620	4968	csrsll.exe	102
PID 4968 set thread context of 4612	4968	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1408-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1408-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2220-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2220-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1408-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2220-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b7d-29.dat	upx
behavioral2/memory/2220-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4968-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4968-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4612-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4612-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4612-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4612-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4612-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4968-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2220-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1620-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4612-62-0x0000000000400000-0x0000000000414000-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	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.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	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe
2220	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe
4968	csrsll.exe
1620	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 2220	1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	91
PID 1408 wrote to memory of 2220	1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	91
PID 1408 wrote to memory of 2220	1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	91
PID 1408 wrote to memory of 2220	1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	91
PID 1408 wrote to memory of 2220	1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	91
PID 1408 wrote to memory of 2220	1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	91
PID 1408 wrote to memory of 2220	1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	91
PID 1408 wrote to memory of 2220	1408	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	91
PID 2220 wrote to memory of 4528	2220	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	92
PID 2220 wrote to memory of 4528	2220	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	92
PID 2220 wrote to memory of 4528	2220	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	92
PID 4528 wrote to memory of 800	4528	cmd.exe	96
PID 4528 wrote to memory of 800	4528	cmd.exe	96
PID 4528 wrote to memory of 800	4528	cmd.exe	96
PID 2220 wrote to memory of 4968	2220	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	97
PID 2220 wrote to memory of 4968	2220	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	97
PID 2220 wrote to memory of 4968	2220	64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe	97
PID 4968 wrote to memory of 1620	4968	csrsll.exe	102
PID 4968 wrote to memory of 1620	4968	csrsll.exe	102
PID 4968 wrote to memory of 1620	4968	csrsll.exe	102
PID 4968 wrote to memory of 1620	4968	csrsll.exe	102
PID 4968 wrote to memory of 1620	4968	csrsll.exe	102
PID 4968 wrote to memory of 1620	4968	csrsll.exe	102
PID 4968 wrote to memory of 1620	4968	csrsll.exe	102
PID 4968 wrote to memory of 1620	4968	csrsll.exe	102
PID 4968 wrote to memory of 4612	4968	csrsll.exe	103
PID 4968 wrote to memory of 4612	4968	csrsll.exe	103
PID 4968 wrote to memory of 4612	4968	csrsll.exe	103
PID 4968 wrote to memory of 4612	4968	csrsll.exe	103
PID 4968 wrote to memory of 4612	4968	csrsll.exe	103
PID 4968 wrote to memory of 4612	4968	csrsll.exe	103
PID 4968 wrote to memory of 4612	4968	csrsll.exe	103
PID 4968 wrote to memory of 4612	4968	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe
"C:\Users\Admin\AppData\Local\Temp\64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe
  "C:\Users\Admin\AppData\Local\Temp\64203eb69a15a22d05d0a50f012e4cf6e7db35a3e2b08de0abfc95214b83725d.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OWKUL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4528
  - - 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:800
- - 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:4968
  - - 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:1620
  - - 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:4612

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\OWKUL.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
09b94971a16b86ce5d4a7a0bf2e222ea

SHA1
957029de57cf9ef78dab2a4530ff4bf6103f4f48

SHA256
ba9a171f21de5d410bbacd9f061e6b46688014a7be37822052de5325e2a6696c

SHA512
75f27f52829f41cef2220668a0afcbd428d3538399fa866d48348c665089fc62f70db0a05d1026ab99a7a9afd55deda4a7eb4b82779c91ce97ae359259be7212

Download Submit
memory/1408-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/1408-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1408-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/1408-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1408-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1408-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1620-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2220-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2220-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2220-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2220-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2220-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2220-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4612-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4612-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4612-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4612-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4612-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4612-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4968-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4968-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4968-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads