modiloader | a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf

Analysis

max time kernel
118s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 06:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe
Size

90KB
MD5

a584aff03dc66ca91787b45825d1d057
SHA1

ef8aa36b2583420fcb1db807d10e0508ab12c43b
SHA256

a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf
SHA512

88fd87256357bf819dafe6a8a7abb2b5b88f67bfbb3a55735c187826e0b1c6c8540512b151e3b517ba5b8563fd5c51ee047bdd4114debc28af9c3489ad282388
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD3:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3V

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 5 IoCs

resource	yara_rule
behavioral2/memory/3644-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3644-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3644-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3644-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3644-62-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe

Executes dropped EXE 3 IoCs

pid	Process
1524	csrsll.exe
2116	csrsll.exe
3644	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 1948 set thread context of 3104	1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	84
PID 1524 set thread context of 2116	1524	csrsll.exe	102
PID 1524 set thread context of 3644	1524	csrsll.exe	103

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1948-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1948-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3104-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3104-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3104-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1948-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c96-29.dat	upx
behavioral2/memory/3104-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1524-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1524-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3644-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3644-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3644-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3644-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3104-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1524-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3644-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3644-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2116-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3644-62-0x0000000000400000-0x0000000000414000-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	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	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe
Token: SeDebugPrivilege	2116	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe
3104	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe
1524	csrsll.exe
2116	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 3104	1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	84
PID 1948 wrote to memory of 3104	1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	84
PID 1948 wrote to memory of 3104	1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	84
PID 1948 wrote to memory of 3104	1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	84
PID 1948 wrote to memory of 3104	1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	84
PID 1948 wrote to memory of 3104	1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	84
PID 1948 wrote to memory of 3104	1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	84
PID 1948 wrote to memory of 3104	1948	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	84
PID 3104 wrote to memory of 4564	3104	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	91
PID 3104 wrote to memory of 4564	3104	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	91
PID 3104 wrote to memory of 4564	3104	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	91
PID 4564 wrote to memory of 3384	4564	cmd.exe	95
PID 4564 wrote to memory of 3384	4564	cmd.exe	95
PID 4564 wrote to memory of 3384	4564	cmd.exe	95
PID 3104 wrote to memory of 1524	3104	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	96
PID 3104 wrote to memory of 1524	3104	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	96
PID 3104 wrote to memory of 1524	3104	a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe	96
PID 1524 wrote to memory of 2116	1524	csrsll.exe	102
PID 1524 wrote to memory of 2116	1524	csrsll.exe	102
PID 1524 wrote to memory of 2116	1524	csrsll.exe	102
PID 1524 wrote to memory of 2116	1524	csrsll.exe	102
PID 1524 wrote to memory of 2116	1524	csrsll.exe	102
PID 1524 wrote to memory of 2116	1524	csrsll.exe	102
PID 1524 wrote to memory of 2116	1524	csrsll.exe	102
PID 1524 wrote to memory of 2116	1524	csrsll.exe	102
PID 1524 wrote to memory of 3644	1524	csrsll.exe	103
PID 1524 wrote to memory of 3644	1524	csrsll.exe	103
PID 1524 wrote to memory of 3644	1524	csrsll.exe	103
PID 1524 wrote to memory of 3644	1524	csrsll.exe	103
PID 1524 wrote to memory of 3644	1524	csrsll.exe	103
PID 1524 wrote to memory of 3644	1524	csrsll.exe	103
PID 1524 wrote to memory of 3644	1524	csrsll.exe	103
PID 1524 wrote to memory of 3644	1524	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe
"C:\Users\Admin\AppData\Local\Temp\a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe
  "C:\Users\Admin\AppData\Local\Temp\a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3104
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DIWWK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4564
  - - 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:3384
- - 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:1524
  - - 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:2116
  - - 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:3644

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DIWWK.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e67103978cf4e35d9b3fe48ce603d4a0

SHA1
5836d0d105f658dbdc0ec16296cb12f02b8a6d00

SHA256
1350d479bd8ce0c0464eae32128e7f5c60f814ff05d24596ab387af0ae6a644b

SHA512
f332fd6c9c8e9df6a2fbdb99848643ad9f64fef528bea46bb465372f0d678e65431186a114c11cd15fccaaca5d05038d2db55346bc5ddb5c6a6421717bba08b4

Download Submit
memory/1524-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1524-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1524-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/1948-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/1948-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/1948-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2116-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3104-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3104-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3104-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3104-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3104-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3104-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3644-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3644-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3644-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3644-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3644-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3644-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3644-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads