modiloader | 69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413

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
06/11/2024, 19:29

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General

Target

69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe
Size

90KB
MD5

3e6cb4fd017df2ca39905d6fd7e9d150
SHA1

b6e65837f37ac26cf6c09c0ecc23a2f395389216
SHA256

69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413
SHA512

ee098199fdb4581b3d7da87005c9e0e01e3d18d0ec87f9cde70abd775f4b505f55f03dc09eb22cfa8e74ac3463edbf1d6c3e3cb038973eb54a7dc6fc8dc8b68a
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/3112-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3112-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3112-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3112-62-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe

Executes dropped EXE 3 IoCs

pid	Process
2848	csrsll.exe
3112	csrsll.exe
3116	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-1-5-21-4050598569-1597076380-177084960-1000\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 4852 set thread context of 3184	4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	91
PID 2848 set thread context of 3116	2848	csrsll.exe	99
PID 2848 set thread context of 3112	2848	csrsll.exe	100

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4852-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4852-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3184-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3184-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4852-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3184-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b66-29.dat	upx
behavioral2/memory/2848-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3184-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2848-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2848-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3112-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3112-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3184-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2848-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3112-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3112-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3112-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3116-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3112-62-0x0000000000400000-0x0000000000414000-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	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.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	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe
Token: SeDebugPrivilege	3116	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe
3184	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe
2848	csrsll.exe
3116	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 3184	4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	91
PID 4852 wrote to memory of 3184	4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	91
PID 4852 wrote to memory of 3184	4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	91
PID 4852 wrote to memory of 3184	4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	91
PID 4852 wrote to memory of 3184	4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	91
PID 4852 wrote to memory of 3184	4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	91
PID 4852 wrote to memory of 3184	4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	91
PID 4852 wrote to memory of 3184	4852	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	91
PID 3184 wrote to memory of 2172	3184	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	94
PID 3184 wrote to memory of 2172	3184	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	94
PID 3184 wrote to memory of 2172	3184	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	94
PID 2172 wrote to memory of 2072	2172	cmd.exe	97
PID 2172 wrote to memory of 2072	2172	cmd.exe	97
PID 2172 wrote to memory of 2072	2172	cmd.exe	97
PID 3184 wrote to memory of 2848	3184	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	98
PID 3184 wrote to memory of 2848	3184	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	98
PID 3184 wrote to memory of 2848	3184	69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe	98
PID 2848 wrote to memory of 3116	2848	csrsll.exe	99
PID 2848 wrote to memory of 3116	2848	csrsll.exe	99
PID 2848 wrote to memory of 3116	2848	csrsll.exe	99
PID 2848 wrote to memory of 3116	2848	csrsll.exe	99
PID 2848 wrote to memory of 3116	2848	csrsll.exe	99
PID 2848 wrote to memory of 3116	2848	csrsll.exe	99
PID 2848 wrote to memory of 3116	2848	csrsll.exe	99
PID 2848 wrote to memory of 3116	2848	csrsll.exe	99
PID 2848 wrote to memory of 3112	2848	csrsll.exe	100
PID 2848 wrote to memory of 3112	2848	csrsll.exe	100
PID 2848 wrote to memory of 3112	2848	csrsll.exe	100
PID 2848 wrote to memory of 3112	2848	csrsll.exe	100
PID 2848 wrote to memory of 3112	2848	csrsll.exe	100
PID 2848 wrote to memory of 3112	2848	csrsll.exe	100
PID 2848 wrote to memory of 3112	2848	csrsll.exe	100
PID 2848 wrote to memory of 3112	2848	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe
"C:\Users\Admin\AppData\Local\Temp\69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Users\Admin\AppData\Local\Temp\69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe
  "C:\Users\Admin\AppData\Local\Temp\69287e8d41a53b3f927ffbf59dd15887f0b2d38ffa5df1eb02498f09c3f45413N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3184
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DSSFH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2172
  - - 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:2072
- - 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:2848
  - - 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:3116
  - - 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:3112

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\DSSFH.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2ebc14584891f263324903b26ae3eb83

SHA1
84bd6eb0850a0cf7001c1d40e5cd213d15e4a40d

SHA256
ad37804e499160813c0ca2add270baa701bbe163cd92c577af4e607f548705b2

SHA512
f8e4f03023358420a1c3668803fb0b75e0d92d7773ae474ea761866fff2ece91bb166b3b054d0ec4dd9c3689dc82f7c0daeecf177fcd97b9f0e12de2197eac6c

Download Submit
memory/2848-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2848-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2848-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2848-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3112-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3112-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3112-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3112-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3112-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3112-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3116-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4852-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4852-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4852-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4852-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4852-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4852-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads