modiloader | 5dc686701a24048fde57b82be54f2068cccce45d2fe14fdae9d58194ded10ac3

Analysis

max time kernel
119s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 03:13

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General

Target

882c47ae8667addac943c50e5b1cf0c0N.exe
Size

308KB
MD5

882c47ae8667addac943c50e5b1cf0c0
SHA1

f5119244181229aa8ce95570ea86c1ea08ad31a5
SHA256

5dc686701a24048fde57b82be54f2068cccce45d2fe14fdae9d58194ded10ac3
SHA512

7071caa296f91aa34712befd922d8a7a336293800ac97aac78ce45e2f028d547285aa4ca4ce77a1b405861b1018af7f0feff7c8738d4ec38cf89dc30eb6d8535
SSDEEP

3072:/c3sBG7mXh7m/zZM3jAbNOM6CNtDCZFL:E3sBz0Z4Mj72F

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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/1400-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1400-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1400-48-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1400-58-0x0000000000400000-0x0000000000414000-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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	882c47ae8667addac943c50e5b1cf0c0N.exe

Executes dropped EXE 3 IoCs

pid	Process
1352	csrsll.exe
2160	csrsll.exe
1400	csrsll.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3248-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3248-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3248-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1400-40-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1400-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3248-52-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1400-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1400-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3248-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1400-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2160-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1400-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-2718105630-359604950-2820636825-1000\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 3472 set thread context of 3248	3472	882c47ae8667addac943c50e5b1cf0c0N.exe	86
PID 1352 set thread context of 2160	1352	csrsll.exe	94
PID 1352 set thread context of 1400	1352	csrsll.exe	95

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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	882c47ae8667addac943c50e5b1cf0c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	882c47ae8667addac943c50e5b1cf0c0N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe
Token: SeDebugPrivilege	2160	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3472	882c47ae8667addac943c50e5b1cf0c0N.exe
3248	882c47ae8667addac943c50e5b1cf0c0N.exe
1352	csrsll.exe
2160	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 3248	3472	882c47ae8667addac943c50e5b1cf0c0N.exe	86
PID 3472 wrote to memory of 3248	3472	882c47ae8667addac943c50e5b1cf0c0N.exe	86
PID 3472 wrote to memory of 3248	3472	882c47ae8667addac943c50e5b1cf0c0N.exe	86
PID 3472 wrote to memory of 3248	3472	882c47ae8667addac943c50e5b1cf0c0N.exe	86
PID 3472 wrote to memory of 3248	3472	882c47ae8667addac943c50e5b1cf0c0N.exe	86
PID 3472 wrote to memory of 3248	3472	882c47ae8667addac943c50e5b1cf0c0N.exe	86
PID 3472 wrote to memory of 3248	3472	882c47ae8667addac943c50e5b1cf0c0N.exe	86
PID 3472 wrote to memory of 3248	3472	882c47ae8667addac943c50e5b1cf0c0N.exe	86
PID 3248 wrote to memory of 536	3248	882c47ae8667addac943c50e5b1cf0c0N.exe	87
PID 3248 wrote to memory of 536	3248	882c47ae8667addac943c50e5b1cf0c0N.exe	87
PID 3248 wrote to memory of 536	3248	882c47ae8667addac943c50e5b1cf0c0N.exe	87
PID 536 wrote to memory of 2192	536	cmd.exe	90
PID 536 wrote to memory of 2192	536	cmd.exe	90
PID 536 wrote to memory of 2192	536	cmd.exe	90
PID 3248 wrote to memory of 1352	3248	882c47ae8667addac943c50e5b1cf0c0N.exe	91
PID 3248 wrote to memory of 1352	3248	882c47ae8667addac943c50e5b1cf0c0N.exe	91
PID 3248 wrote to memory of 1352	3248	882c47ae8667addac943c50e5b1cf0c0N.exe	91
PID 1352 wrote to memory of 2160	1352	csrsll.exe	94
PID 1352 wrote to memory of 2160	1352	csrsll.exe	94
PID 1352 wrote to memory of 2160	1352	csrsll.exe	94
PID 1352 wrote to memory of 2160	1352	csrsll.exe	94
PID 1352 wrote to memory of 2160	1352	csrsll.exe	94
PID 1352 wrote to memory of 2160	1352	csrsll.exe	94
PID 1352 wrote to memory of 2160	1352	csrsll.exe	94
PID 1352 wrote to memory of 2160	1352	csrsll.exe	94
PID 1352 wrote to memory of 1400	1352	csrsll.exe	95
PID 1352 wrote to memory of 1400	1352	csrsll.exe	95
PID 1352 wrote to memory of 1400	1352	csrsll.exe	95
PID 1352 wrote to memory of 1400	1352	csrsll.exe	95
PID 1352 wrote to memory of 1400	1352	csrsll.exe	95
PID 1352 wrote to memory of 1400	1352	csrsll.exe	95
PID 1352 wrote to memory of 1400	1352	csrsll.exe	95
PID 1352 wrote to memory of 1400	1352	csrsll.exe	95

C:\Users\Admin\AppData\Local\Temp\882c47ae8667addac943c50e5b1cf0c0N.exe
"C:\Users\Admin\AppData\Local\Temp\882c47ae8667addac943c50e5b1cf0c0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\882c47ae8667addac943c50e5b1cf0c0N.exe
  "C:\Users\Admin\AppData\Local\Temp\882c47ae8667addac943c50e5b1cf0c0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DYVUY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:536
  - - 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:2192
- - 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:1352
  - - 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:2160
  - - 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:1400

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\DYVUY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
308KB

MD5
5ec0df1497cefa2f2dd3b3ca0fca6ac2

SHA1
bc2c5a457f997615a21c1c74d1721156dd6c1255

SHA256
a6ed22a92e95b8bd877fdf4cfd9a34ab9272b3e45060ac6273658ac61bcf4251

SHA512
3a07d8d4df8b150a30b89b938202962c89279141982b5de4c730099cbb690fa5d5f5300362d072ddbad2919a3b0ebc7d292f467ccafedf2b1f668375d8612c3c

Download Submit
memory/1352-50-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1352-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1352-35-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1352-32-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1400-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1400-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1400-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1400-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1400-40-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1400-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3248-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3248-52-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3248-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3248-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3248-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3472-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3472-3-0x00000000021B0000-0x00000000021B1000-memory.dmp

Filesize
4KB

Download
memory/3472-4-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads