modiloader | 096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77

Analysis

max time kernel
119s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 14:57

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General

Target

096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe
Size

90KB
MD5

d36f0f3961e1521857cd7b5b8e208dd4
SHA1

029b48b056505a446cf8aaad9cb520c44c83b441
SHA256

096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77
SHA512

7a52f0b776775f063e82de33033344119072e7135d97b1cc36c82a6bfec9f10d471c2b6daa5b11a9f54ecd4927293a3446493732f00a4b8453c93adcb41ab377
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD9:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE33

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/5000-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5000-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5000-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5000-61-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe

Executes dropped EXE 3 IoCs

pid	Process
5040	csrsll.exe
2384	csrsll.exe
5000	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-1-5-21-493223053-2004649691-1575712786-1000\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 5036 set thread context of 1672	5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	84
PID 5040 set thread context of 2384	5040	csrsll.exe	101
PID 5040 set thread context of 5000	5040	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5036-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5036-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1672-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1672-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1672-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5036-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023ca1-29.dat	upx
behavioral2/memory/1672-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5040-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5040-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5000-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5000-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5000-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5000-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5000-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5040-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1672-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2384-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5000-61-0x0000000000400000-0x0000000000414000-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	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe
Token: SeDebugPrivilege	2384	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe
1672	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe
5040	csrsll.exe
2384	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 1672	5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	84
PID 5036 wrote to memory of 1672	5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	84
PID 5036 wrote to memory of 1672	5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	84
PID 5036 wrote to memory of 1672	5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	84
PID 5036 wrote to memory of 1672	5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	84
PID 5036 wrote to memory of 1672	5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	84
PID 5036 wrote to memory of 1672	5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	84
PID 5036 wrote to memory of 1672	5036	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	84
PID 1672 wrote to memory of 4716	1672	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	87
PID 1672 wrote to memory of 4716	1672	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	87
PID 1672 wrote to memory of 4716	1672	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	87
PID 4716 wrote to memory of 4368	4716	cmd.exe	92
PID 4716 wrote to memory of 4368	4716	cmd.exe	92
PID 4716 wrote to memory of 4368	4716	cmd.exe	92
PID 1672 wrote to memory of 5040	1672	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	93
PID 1672 wrote to memory of 5040	1672	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	93
PID 1672 wrote to memory of 5040	1672	096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe	93
PID 5040 wrote to memory of 2384	5040	csrsll.exe	101
PID 5040 wrote to memory of 2384	5040	csrsll.exe	101
PID 5040 wrote to memory of 2384	5040	csrsll.exe	101
PID 5040 wrote to memory of 2384	5040	csrsll.exe	101
PID 5040 wrote to memory of 2384	5040	csrsll.exe	101
PID 5040 wrote to memory of 2384	5040	csrsll.exe	101
PID 5040 wrote to memory of 2384	5040	csrsll.exe	101
PID 5040 wrote to memory of 2384	5040	csrsll.exe	101
PID 5040 wrote to memory of 5000	5040	csrsll.exe	102
PID 5040 wrote to memory of 5000	5040	csrsll.exe	102
PID 5040 wrote to memory of 5000	5040	csrsll.exe	102
PID 5040 wrote to memory of 5000	5040	csrsll.exe	102
PID 5040 wrote to memory of 5000	5040	csrsll.exe	102
PID 5040 wrote to memory of 5000	5040	csrsll.exe	102
PID 5040 wrote to memory of 5000	5040	csrsll.exe	102
PID 5040 wrote to memory of 5000	5040	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe
"C:\Users\Admin\AppData\Local\Temp\096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Users\Admin\AppData\Local\Temp\096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe
  "C:\Users\Admin\AppData\Local\Temp\096f425e2451571849d35e10ddd9224a6de31fb39fe1f3ac988a68738654dd77.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KBVAX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4716
  - - 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:4368
- - 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:5040
  - - 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:2384
  - - 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:5000

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\KBVAX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
adb7fc95cf9743b9efd19acefc7fca14

SHA1
5043d11257db3e78b73790022368fba24525ca62

SHA256
91e36bae8e073be1dc2dcafb3a9a594261ac85de8e79231859e7a3ad3c9bbe5e

SHA512
352856dd1f96a1cab0f2aa5b39478182850c6f68f2cc0e479ba7e23dde8e3b3cb2b25221c584c64fbb6c9a2e517adce02275135c3537a21ad5bc6aae96386825

Download Submit
memory/1672-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5000-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5000-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5000-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5000-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5000-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5000-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5036-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5036-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/5036-4-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/5036-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5036-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5036-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/5040-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5040-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5040-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads