modiloader | 913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 01:11

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General

Target

913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe
Size

90KB
MD5

9f1af8dc9d61b142ecadbc514c01a0a9
SHA1

04a7684f4e6319fcf340a0354330098fd41c8c76
SHA256

913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc
SHA512

fc13105c30628c24c56530931031fd49f18f326d7b2e50b813fd4772096a2a83ca19c8388ae5ecfe73fce376bd29ac40d19431509a3da92bba128d321f8bcdc3
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDp: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/2788-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2788-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2788-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2788-60-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe

Executes dropped EXE 3 IoCs

pid	Process
4836	csrsll.exe
1600	csrsll.exe
2788	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-1-5-21-1045960512-3948844814-3059691613-1000\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 3556 set thread context of 3632	3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	89
PID 4836 set thread context of 1600	4836	csrsll.exe	102
PID 4836 set thread context of 2788	4836	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3556-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3556-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3632-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3632-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3556-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3632-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b66-28.dat	upx
behavioral2/memory/3632-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4836-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4836-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2788-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2788-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2788-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4836-52-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3632-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2788-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2788-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1600-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2788-60-0x0000000000400000-0x0000000000414000-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	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe
3632	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe
4836	csrsll.exe
1600	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 3632	3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	89
PID 3556 wrote to memory of 3632	3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	89
PID 3556 wrote to memory of 3632	3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	89
PID 3556 wrote to memory of 3632	3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	89
PID 3556 wrote to memory of 3632	3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	89
PID 3556 wrote to memory of 3632	3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	89
PID 3556 wrote to memory of 3632	3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	89
PID 3556 wrote to memory of 3632	3556	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	89
PID 3632 wrote to memory of 3872	3632	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	92
PID 3632 wrote to memory of 3872	3632	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	92
PID 3632 wrote to memory of 3872	3632	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	92
PID 3872 wrote to memory of 3608	3872	cmd.exe	96
PID 3872 wrote to memory of 3608	3872	cmd.exe	96
PID 3872 wrote to memory of 3608	3872	cmd.exe	96
PID 3632 wrote to memory of 4836	3632	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	97
PID 3632 wrote to memory of 4836	3632	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	97
PID 3632 wrote to memory of 4836	3632	913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe	97
PID 4836 wrote to memory of 1600	4836	csrsll.exe	102
PID 4836 wrote to memory of 1600	4836	csrsll.exe	102
PID 4836 wrote to memory of 1600	4836	csrsll.exe	102
PID 4836 wrote to memory of 1600	4836	csrsll.exe	102
PID 4836 wrote to memory of 1600	4836	csrsll.exe	102
PID 4836 wrote to memory of 1600	4836	csrsll.exe	102
PID 4836 wrote to memory of 1600	4836	csrsll.exe	102
PID 4836 wrote to memory of 1600	4836	csrsll.exe	102
PID 4836 wrote to memory of 2788	4836	csrsll.exe	103
PID 4836 wrote to memory of 2788	4836	csrsll.exe	103
PID 4836 wrote to memory of 2788	4836	csrsll.exe	103
PID 4836 wrote to memory of 2788	4836	csrsll.exe	103
PID 4836 wrote to memory of 2788	4836	csrsll.exe	103
PID 4836 wrote to memory of 2788	4836	csrsll.exe	103
PID 4836 wrote to memory of 2788	4836	csrsll.exe	103
PID 4836 wrote to memory of 2788	4836	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe
"C:\Users\Admin\AppData\Local\Temp\913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Users\Admin\AppData\Local\Temp\913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe
  "C:\Users\Admin\AppData\Local\Temp\913af6bdece5a778ad98949380e7ecad77b2043b2e6354d61e230b58804b12bc.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3632
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\USQUI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3872
  - - 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:3608
- - 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:4836
  - - 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:1600
  - - 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:2788

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\USQUI.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1e47349e7d6baaed4a0155251fcf2fb3

SHA1
af15dcb31d97d8dff2f03488e15ad28d52543151

SHA256
51b767730bf3b5c458cbf4c3aa08fa0048af28f6133e41ca353d0c97ac405fb8

SHA512
90322477231d59592cfc0d533c8ab75a9a20a3531b18de052a488c0c89350a88a97634cbc4091e47b2e4c69dc58b68e74c311b633ddda92acbbe10a989e9b19e

Download Submit
memory/1600-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2788-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3556-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3556-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/3556-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3556-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/3556-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3556-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/3632-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3632-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3632-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3632-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3632-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4836-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4836-52-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4836-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads