modiloader | c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5

Analysis

max time kernel
118s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 00:55

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General

Target

c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe
Size

90KB
MD5

3a262c22ffed4c09117cd649a17e65f0
SHA1

fec445b480252da95d442e30563e12522e54f909
SHA256

c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5
SHA512

4b2c715e8507862843c257ba8dd5ba9579c24eb3394630bcba5582fd098a4d648107400818186de9d5c712c44f9a8f654ac0ebba3e5da5524211a3224d4003f5
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDZ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE33

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/3832-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3832-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3832-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3832-64-0x0000000000400000-0x0000000000414000-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	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe

Executes dropped EXE 3 IoCs

pid	Process
2836	csrsll.exe
3452	csrsll.exe
3832	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 1832 set thread context of 2164	1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	83
PID 2836 set thread context of 3452	2836	csrsll.exe	99
PID 2836 set thread context of 3832	2836	csrsll.exe	100

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1832-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1832-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2164-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2164-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1832-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2164-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b8d-30.dat	upx
behavioral2/memory/2164-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2836-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2836-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3832-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3832-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2836-51-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3832-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3832-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3832-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2164-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3452-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3832-64-0x0000000000400000-0x0000000000414000-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	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.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	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe
Token: SeDebugPrivilege	3452	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe
2164	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe
2836	csrsll.exe
3452	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2164	1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	83
PID 1832 wrote to memory of 2164	1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	83
PID 1832 wrote to memory of 2164	1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	83
PID 1832 wrote to memory of 2164	1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	83
PID 1832 wrote to memory of 2164	1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	83
PID 1832 wrote to memory of 2164	1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	83
PID 1832 wrote to memory of 2164	1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	83
PID 1832 wrote to memory of 2164	1832	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	83
PID 2164 wrote to memory of 4888	2164	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	86
PID 2164 wrote to memory of 4888	2164	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	86
PID 2164 wrote to memory of 4888	2164	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	86
PID 4888 wrote to memory of 3768	4888	cmd.exe	91
PID 4888 wrote to memory of 3768	4888	cmd.exe	91
PID 4888 wrote to memory of 3768	4888	cmd.exe	91
PID 2164 wrote to memory of 2836	2164	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	93
PID 2164 wrote to memory of 2836	2164	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	93
PID 2164 wrote to memory of 2836	2164	c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe	93
PID 2836 wrote to memory of 3452	2836	csrsll.exe	99
PID 2836 wrote to memory of 3452	2836	csrsll.exe	99
PID 2836 wrote to memory of 3452	2836	csrsll.exe	99
PID 2836 wrote to memory of 3452	2836	csrsll.exe	99
PID 2836 wrote to memory of 3452	2836	csrsll.exe	99
PID 2836 wrote to memory of 3452	2836	csrsll.exe	99
PID 2836 wrote to memory of 3452	2836	csrsll.exe	99
PID 2836 wrote to memory of 3452	2836	csrsll.exe	99
PID 2836 wrote to memory of 3832	2836	csrsll.exe	100
PID 2836 wrote to memory of 3832	2836	csrsll.exe	100
PID 2836 wrote to memory of 3832	2836	csrsll.exe	100
PID 2836 wrote to memory of 3832	2836	csrsll.exe	100
PID 2836 wrote to memory of 3832	2836	csrsll.exe	100
PID 2836 wrote to memory of 3832	2836	csrsll.exe	100
PID 2836 wrote to memory of 3832	2836	csrsll.exe	100
PID 2836 wrote to memory of 3832	2836	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe
"C:\Users\Admin\AppData\Local\Temp\c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Users\Admin\AppData\Local\Temp\c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe
  "C:\Users\Admin\AppData\Local\Temp\c65ed671d0dd540676c090773a62d392db2961e74e96e60d77682126b49d6dc5N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GUBKY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4888
  - - 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:3768
- - 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:2836
  - - 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:3452
  - - 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:3832

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\GUBKY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f7576eb975e23f5d0dd5e5f49fe4b42c

SHA1
c348e30e92b39e19e7ac526e3fe8927a08acb366

SHA256
c97cee2918b96a9083c4a366146d3829df73689d0881fcea0106533135cd46da

SHA512
939b22acefcf602634dccada1a917440b234b7188dc73a1edf92750b89d00d5f95b1cd1f87173b1ace2f0a950915fc688995b7bc95a908e572ba01da7f5d8e05

Download Submit
memory/1832-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1832-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1832-7-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/1832-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/1832-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1832-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1832-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2164-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2836-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2836-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2836-51-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3452-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3832-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3832-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3832-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3832-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3832-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3832-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads