modiloader | 32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4

Analysis

max time kernel
120s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 13:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe
Size

90KB
MD5

c012bf2e8ed09cc09a04ce5c1500e95c
SHA1

e38e523cd3906d222a095f265da2f77690572ab3
SHA256

32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4
SHA512

8bd7fbbb2da8a434d675f3cc3f1066be3ee38b21a8a1ee36c995f6d66917df3759dea8b81e50115a98c43cecb75d211bd99260ee847a17bc7e04bcff6d262c1c
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDm:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3c

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/1088-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1088-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1088-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1088-63-0x0000000000400000-0x0000000000414000-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	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe

Executes dropped EXE 3 IoCs

pid	Process
1812	csrsll.exe
384	csrsll.exe
1088	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 4100 set thread context of 4532	4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	89
PID 1812 set thread context of 384	1812	csrsll.exe	104
PID 1812 set thread context of 1088	1812	csrsll.exe	105

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4100-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4532-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4532-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4532-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4100-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4100-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b95-30.dat	upx
behavioral2/memory/4532-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1812-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1812-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1088-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1088-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1088-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1088-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1812-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1088-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4532-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/384-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1088-63-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe
Token: SeDebugPrivilege	384	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe
4532	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe
1812	csrsll.exe
384	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 4532	4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	89
PID 4100 wrote to memory of 4532	4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	89
PID 4100 wrote to memory of 4532	4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	89
PID 4100 wrote to memory of 4532	4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	89
PID 4100 wrote to memory of 4532	4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	89
PID 4100 wrote to memory of 4532	4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	89
PID 4100 wrote to memory of 4532	4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	89
PID 4100 wrote to memory of 4532	4100	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	89
PID 4532 wrote to memory of 2024	4532	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	93
PID 4532 wrote to memory of 2024	4532	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	93
PID 4532 wrote to memory of 2024	4532	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	93
PID 2024 wrote to memory of 2988	2024	cmd.exe	97
PID 2024 wrote to memory of 2988	2024	cmd.exe	97
PID 2024 wrote to memory of 2988	2024	cmd.exe	97
PID 4532 wrote to memory of 1812	4532	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	98
PID 4532 wrote to memory of 1812	4532	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	98
PID 4532 wrote to memory of 1812	4532	32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe	98
PID 1812 wrote to memory of 384	1812	csrsll.exe	104
PID 1812 wrote to memory of 384	1812	csrsll.exe	104
PID 1812 wrote to memory of 384	1812	csrsll.exe	104
PID 1812 wrote to memory of 384	1812	csrsll.exe	104
PID 1812 wrote to memory of 384	1812	csrsll.exe	104
PID 1812 wrote to memory of 384	1812	csrsll.exe	104
PID 1812 wrote to memory of 384	1812	csrsll.exe	104
PID 1812 wrote to memory of 384	1812	csrsll.exe	104
PID 1812 wrote to memory of 1088	1812	csrsll.exe	105
PID 1812 wrote to memory of 1088	1812	csrsll.exe	105
PID 1812 wrote to memory of 1088	1812	csrsll.exe	105
PID 1812 wrote to memory of 1088	1812	csrsll.exe	105
PID 1812 wrote to memory of 1088	1812	csrsll.exe	105
PID 1812 wrote to memory of 1088	1812	csrsll.exe	105
PID 1812 wrote to memory of 1088	1812	csrsll.exe	105
PID 1812 wrote to memory of 1088	1812	csrsll.exe	105

C:\Users\Admin\AppData\Local\Temp\32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe
"C:\Users\Admin\AppData\Local\Temp\32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Users\Admin\AppData\Local\Temp\32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe
  "C:\Users\Admin\AppData\Local\Temp\32acf4b9b7dcc2c6aab9d61700fe8057d6394635178bda24c842715aef1ee6c4.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RFPGB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - 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:2988
- - 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:1812
  - - 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:384
  - - 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:1088

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

Loading Replay Monitor...

Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4e2daeabfb7e12cd474188a1db07906f

SHA1
2c1bbd42249387926dd09c381f2dcf065ca70c20

SHA256
5955761823aea0d5fb7bd67b10df6fd819b969e8fd0a694575ec7f1d45688448

SHA512
9dcc2738a84991c757142129298fdb1c313cafcf846f9eca7d9068a7f16e25ab0ad596a240706a0b9b545fff7d9835efa7cc32099395685dfef29750b735e90b

Download Submit
memory/384-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1088-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1812-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1812-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1812-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4100-6-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/4100-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4100-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4100-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4100-5-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4100-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4100-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/4532-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4532-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads