modiloader | 56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 22:46

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General

Target

56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
Size

90KB
MD5

c6cc01ac6797137a37d478b6f60e4227
SHA1

9dc3772895eb7ff550213d398680b45bd4b65458
SHA256

56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784
SHA512

56e495f349f9340e033b1507c5ceefbb8f0cf0af3c0fccd74a589eba8e38a2208550234c26e86402299318394a463f44ee3462c19c296ac21fcf905a653bedaf
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/4880-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4880-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4880-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4880-63-0x0000000000400000-0x0000000000414000-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	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe

Executes dropped EXE 3 IoCs

pid	Process
4840	csrsll.exe
228	csrsll.exe
4880	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 4936 set thread context of 1120	4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	88
PID 4840 set thread context of 228	4840	csrsll.exe	100
PID 4840 set thread context of 4880	4840	csrsll.exe	101

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4936-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4936-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1120-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1120-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1120-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4936-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cb0-29.dat	upx
behavioral2/memory/4840-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1120-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4840-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4840-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4880-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4880-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4880-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4880-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4880-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4840-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1120-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/228-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4880-63-0x0000000000400000-0x0000000000414000-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	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.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	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe
Token: SeDebugPrivilege	228	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
1120	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
4840	csrsll.exe
228	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 1120	4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	88
PID 4936 wrote to memory of 1120	4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	88
PID 4936 wrote to memory of 1120	4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	88
PID 4936 wrote to memory of 1120	4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	88
PID 4936 wrote to memory of 1120	4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	88
PID 4936 wrote to memory of 1120	4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	88
PID 4936 wrote to memory of 1120	4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	88
PID 4936 wrote to memory of 1120	4936	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	88
PID 1120 wrote to memory of 4268	1120	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	89
PID 1120 wrote to memory of 4268	1120	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	89
PID 1120 wrote to memory of 4268	1120	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	89
PID 4268 wrote to memory of 2404	4268	cmd.exe	93
PID 4268 wrote to memory of 2404	4268	cmd.exe	93
PID 4268 wrote to memory of 2404	4268	cmd.exe	93
PID 1120 wrote to memory of 4840	1120	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	94
PID 1120 wrote to memory of 4840	1120	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	94
PID 1120 wrote to memory of 4840	1120	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	94
PID 4840 wrote to memory of 228	4840	csrsll.exe	100
PID 4840 wrote to memory of 228	4840	csrsll.exe	100
PID 4840 wrote to memory of 228	4840	csrsll.exe	100
PID 4840 wrote to memory of 228	4840	csrsll.exe	100
PID 4840 wrote to memory of 228	4840	csrsll.exe	100
PID 4840 wrote to memory of 228	4840	csrsll.exe	100
PID 4840 wrote to memory of 228	4840	csrsll.exe	100
PID 4840 wrote to memory of 228	4840	csrsll.exe	100
PID 4840 wrote to memory of 4880	4840	csrsll.exe	101
PID 4840 wrote to memory of 4880	4840	csrsll.exe	101
PID 4840 wrote to memory of 4880	4840	csrsll.exe	101
PID 4840 wrote to memory of 4880	4840	csrsll.exe	101
PID 4840 wrote to memory of 4880	4840	csrsll.exe	101
PID 4840 wrote to memory of 4880	4840	csrsll.exe	101
PID 4840 wrote to memory of 4880	4840	csrsll.exe	101
PID 4840 wrote to memory of 4880	4840	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
"C:\Users\Admin\AppData\Local\Temp\56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Users\Admin\AppData\Local\Temp\56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
  "C:\Users\Admin\AppData\Local\Temp\56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YQEFA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4268
  - - 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:2404
- - 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:4840
  - - 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:228
  - - 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:4880

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\YQEFA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
65eb26c4680cc8eaa062276e2e265014

SHA1
8baac7bd9863caff7b2c5f9242a52335015dff94

SHA256
ab4a035ae1a44135c6b1a3f84febbc1b08178bf6e2129da40ad7d31b26d17d3d

SHA512
c47942db736cea2495cd4c407a9ddaff26e00021023c8888f9cad26c493a5d928294372b3dcde291bd9d495c28331fc063d63789faa63dcb63c859a4bdf74df0

Download Submit
memory/228-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1120-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1120-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1120-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1120-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1120-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1120-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4840-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4840-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4840-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4840-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4880-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4880-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4936-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4936-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4936-4-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/4936-6-0x0000000002450000-0x0000000002452000-memory.dmp

Filesize
8KB

Download
memory/4936-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4936-3-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads