modiloader | 9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32

Analysis

max time kernel
119s
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
11-12-2024 16:41

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General

Target

9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
Size

90KB
MD5

214d586dd1aad382293808c63ab29a40
SHA1

34ec9b8fb331cc2423849197f21fd858ca2c30f5
SHA256

9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32
SHA512

bd0c1fabeda5ce376ddadaa0ba4b3bd095d84e75b08b7abd6863d18734047e1ab2764b1bacc7cbb6915fce0889b8e00dd5824b4eab63046cac973f0c6bffea4e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDR:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3T

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/4532-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe

Executes dropped EXE 3 IoCs

pid	Process
4420	csrsll.exe
5072	csrsll.exe
4532	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-1-5-21-3350944739-639801879-157714471-1000\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 4104 set thread context of 3864	4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	83
PID 4420 set thread context of 5072	4420	csrsll.exe	96
PID 4420 set thread context of 4532	4420	csrsll.exe	97

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4104-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4104-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3864-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3864-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3864-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4104-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b78-29.dat	upx
behavioral2/memory/4420-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3864-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4420-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4420-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4532-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4532-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4532-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4532-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4532-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4420-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3864-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5072-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4532-63-0x0000000000400000-0x0000000000414000-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	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	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe
Token: SeDebugPrivilege	5072	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
3864	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
4420	csrsll.exe
5072	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 3864	4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	83
PID 4104 wrote to memory of 3864	4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	83
PID 4104 wrote to memory of 3864	4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	83
PID 4104 wrote to memory of 3864	4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	83
PID 4104 wrote to memory of 3864	4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	83
PID 4104 wrote to memory of 3864	4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	83
PID 4104 wrote to memory of 3864	4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	83
PID 4104 wrote to memory of 3864	4104	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	83
PID 3864 wrote to memory of 2580	3864	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	84
PID 3864 wrote to memory of 2580	3864	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	84
PID 3864 wrote to memory of 2580	3864	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	84
PID 2580 wrote to memory of 2328	2580	cmd.exe	88
PID 2580 wrote to memory of 2328	2580	cmd.exe	88
PID 2580 wrote to memory of 2328	2580	cmd.exe	88
PID 3864 wrote to memory of 4420	3864	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	89
PID 3864 wrote to memory of 4420	3864	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	89
PID 3864 wrote to memory of 4420	3864	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	89
PID 4420 wrote to memory of 5072	4420	csrsll.exe	96
PID 4420 wrote to memory of 5072	4420	csrsll.exe	96
PID 4420 wrote to memory of 5072	4420	csrsll.exe	96
PID 4420 wrote to memory of 5072	4420	csrsll.exe	96
PID 4420 wrote to memory of 5072	4420	csrsll.exe	96
PID 4420 wrote to memory of 5072	4420	csrsll.exe	96
PID 4420 wrote to memory of 5072	4420	csrsll.exe	96
PID 4420 wrote to memory of 5072	4420	csrsll.exe	96
PID 4420 wrote to memory of 4532	4420	csrsll.exe	97
PID 4420 wrote to memory of 4532	4420	csrsll.exe	97
PID 4420 wrote to memory of 4532	4420	csrsll.exe	97
PID 4420 wrote to memory of 4532	4420	csrsll.exe	97
PID 4420 wrote to memory of 4532	4420	csrsll.exe	97
PID 4420 wrote to memory of 4532	4420	csrsll.exe	97
PID 4420 wrote to memory of 4532	4420	csrsll.exe	97
PID 4420 wrote to memory of 4532	4420	csrsll.exe	97

C:\Users\Admin\AppData\Local\Temp\9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
"C:\Users\Admin\AppData\Local\Temp\9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4104
- C:\Users\Admin\AppData\Local\Temp\9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
  "C:\Users\Admin\AppData\Local\Temp\9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3864
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PXLWM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2580
  - - 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:2328
- - 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:4420
  - - 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:5072
  - - 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:4532

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\PXLWM.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
00494702c48a36d04227e4025ee6c136

SHA1
04474b5d3a3b6112d107033669c38d17d9bee16a

SHA256
2b36d6433bad43d9adb709eb5407929f6462710664a2399384a010d8326447e9

SHA512
2e30d2ea3590be3800e617f9a48a5291c9f625845e654aee5f881da7a9d84955ab37a787a3b6b59a5558c81f99163f9af4ef2bcdd724371c315a2dae15ba8096

Download Submit
memory/3864-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3864-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3864-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3864-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3864-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3864-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4104-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4104-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4104-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4104-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/4104-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4104-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4420-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4420-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4420-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4420-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4532-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4532-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4532-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4532-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4532-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4532-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5072-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads