modiloader | 3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0

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
19-11-2024 06:10

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General

Target

3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe
Size

90KB
MD5

bf0b7634ee231db17db8e127f10a2b05
SHA1

3c698121797690337b6ba52a722a0070f8c1fd06
SHA256

3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0
SHA512

9895e75add538ba8dbaee2320862b5e11ca076a7859722a7eda560989ed8a7443fd86e56b0402a9643a767fae21b05e06dcee9a36211beae7c6f3ae7fa7bc1bc
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD2:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3g

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/3352-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3352-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3352-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3352-63-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe

Executes dropped EXE 3 IoCs

pid	Process
1844	csrsll.exe
2832	csrsll.exe
3352	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-1-5-21-940901362-3608833189-1915618603-1000\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 3492 set thread context of 5096	3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	94
PID 1844 set thread context of 2832	1844	csrsll.exe	103
PID 1844 set thread context of 3352	1844	csrsll.exe	104

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3492-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3492-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5096-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5096-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5096-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3492-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x00060000000229c7-30.dat	upx
behavioral2/memory/5096-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1844-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1844-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3352-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3352-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3352-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3352-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3352-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1844-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5096-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2832-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3352-63-0x0000000000400000-0x0000000000414000-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	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	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe
Token: SeDebugPrivilege	2832	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe
5096	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe
1844	csrsll.exe
2832	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 5096	3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	94
PID 3492 wrote to memory of 5096	3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	94
PID 3492 wrote to memory of 5096	3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	94
PID 3492 wrote to memory of 5096	3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	94
PID 3492 wrote to memory of 5096	3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	94
PID 3492 wrote to memory of 5096	3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	94
PID 3492 wrote to memory of 5096	3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	94
PID 3492 wrote to memory of 5096	3492	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	94
PID 5096 wrote to memory of 4608	5096	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	98
PID 5096 wrote to memory of 4608	5096	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	98
PID 5096 wrote to memory of 4608	5096	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	98
PID 4608 wrote to memory of 1652	4608	cmd.exe	101
PID 4608 wrote to memory of 1652	4608	cmd.exe	101
PID 4608 wrote to memory of 1652	4608	cmd.exe	101
PID 5096 wrote to memory of 1844	5096	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	102
PID 5096 wrote to memory of 1844	5096	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	102
PID 5096 wrote to memory of 1844	5096	3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe	102
PID 1844 wrote to memory of 2832	1844	csrsll.exe	103
PID 1844 wrote to memory of 2832	1844	csrsll.exe	103
PID 1844 wrote to memory of 2832	1844	csrsll.exe	103
PID 1844 wrote to memory of 2832	1844	csrsll.exe	103
PID 1844 wrote to memory of 2832	1844	csrsll.exe	103
PID 1844 wrote to memory of 2832	1844	csrsll.exe	103
PID 1844 wrote to memory of 2832	1844	csrsll.exe	103
PID 1844 wrote to memory of 2832	1844	csrsll.exe	103
PID 1844 wrote to memory of 3352	1844	csrsll.exe	104
PID 1844 wrote to memory of 3352	1844	csrsll.exe	104
PID 1844 wrote to memory of 3352	1844	csrsll.exe	104
PID 1844 wrote to memory of 3352	1844	csrsll.exe	104
PID 1844 wrote to memory of 3352	1844	csrsll.exe	104
PID 1844 wrote to memory of 3352	1844	csrsll.exe	104
PID 1844 wrote to memory of 3352	1844	csrsll.exe	104
PID 1844 wrote to memory of 3352	1844	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe
"C:\Users\Admin\AppData\Local\Temp\3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe
  "C:\Users\Admin\AppData\Local\Temp\3294c92f592bda7d7677ee4d81829ea352a591a93a97cbf13d78eeb544b299f0.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5096
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PTOWK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4608
  - - 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:1652
- - 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:1844
  - - 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:2832
  - - 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:3352

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\PTOWK.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9eeb56d3f9c0e72a56f6515dfea8b475

SHA1
f96b9faa2eb4fb05409b461e46df2eeb2aa15096

SHA256
11109ef7244a1bc2fdf72b7218be4148caa1b733c6e5db35f1c8bb1c76b27653

SHA512
021e6fb45c4a1dde2b41e67fc9c6de21bd7793b1ad6bc2b627564cec52bb2370b0a9c6564af23801d19921b37771858ebc3f32f199485ebe758b7104f617b2b2

Download Submit
memory/1844-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1844-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1844-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2832-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3352-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3352-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3352-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3352-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3352-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3352-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3492-5-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/3492-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3492-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3492-7-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/3492-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/3492-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5096-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5096-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5096-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5096-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5096-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads