modiloader | 7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 06:46

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General

Target

7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe
Size

90KB
MD5

808d728fe65813954c8743372b704def
SHA1

1a406181fbd4db87d725578200e947ba5467820c
SHA256

7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b
SHA512

2b124907abbf024b365b1517537179fefcd360e7a1c2bfaf871e1d2a413497f147ea0af9e77c3641968bccabec76ef95a4efae0886a1601296ed1491fe2dd4e8
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDa:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3g

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/4092-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4092-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4092-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4092-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe

Executes dropped EXE 3 IoCs

pid	Process
2136	csrsll.exe
4620	csrsll.exe
4092	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-1-5-21-3442511616-637977696-3186306149-1000\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 4816 set thread context of 1392	4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	83
PID 2136 set thread context of 4620	2136	csrsll.exe	93
PID 2136 set thread context of 4092	2136	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4816-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4816-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1392-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1392-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1392-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4816-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c9b-29.dat	upx
behavioral2/memory/1392-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2136-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2136-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4092-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4092-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4092-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4092-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2136-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4092-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1392-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4620-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4092-62-0x0000000000400000-0x0000000000414000-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	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.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	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe
Token: SeDebugPrivilege	4620	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe
1392	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe
2136	csrsll.exe
4620	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 1392	4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	83
PID 4816 wrote to memory of 1392	4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	83
PID 4816 wrote to memory of 1392	4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	83
PID 4816 wrote to memory of 1392	4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	83
PID 4816 wrote to memory of 1392	4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	83
PID 4816 wrote to memory of 1392	4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	83
PID 4816 wrote to memory of 1392	4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	83
PID 4816 wrote to memory of 1392	4816	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	83
PID 1392 wrote to memory of 4864	1392	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	84
PID 1392 wrote to memory of 4864	1392	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	84
PID 1392 wrote to memory of 4864	1392	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	84
PID 4864 wrote to memory of 2996	4864	cmd.exe	87
PID 4864 wrote to memory of 2996	4864	cmd.exe	87
PID 4864 wrote to memory of 2996	4864	cmd.exe	87
PID 1392 wrote to memory of 2136	1392	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	88
PID 1392 wrote to memory of 2136	1392	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	88
PID 1392 wrote to memory of 2136	1392	7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe	88
PID 2136 wrote to memory of 4620	2136	csrsll.exe	93
PID 2136 wrote to memory of 4620	2136	csrsll.exe	93
PID 2136 wrote to memory of 4620	2136	csrsll.exe	93
PID 2136 wrote to memory of 4620	2136	csrsll.exe	93
PID 2136 wrote to memory of 4620	2136	csrsll.exe	93
PID 2136 wrote to memory of 4620	2136	csrsll.exe	93
PID 2136 wrote to memory of 4620	2136	csrsll.exe	93
PID 2136 wrote to memory of 4620	2136	csrsll.exe	93
PID 2136 wrote to memory of 4092	2136	csrsll.exe	94
PID 2136 wrote to memory of 4092	2136	csrsll.exe	94
PID 2136 wrote to memory of 4092	2136	csrsll.exe	94
PID 2136 wrote to memory of 4092	2136	csrsll.exe	94
PID 2136 wrote to memory of 4092	2136	csrsll.exe	94
PID 2136 wrote to memory of 4092	2136	csrsll.exe	94
PID 2136 wrote to memory of 4092	2136	csrsll.exe	94
PID 2136 wrote to memory of 4092	2136	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe
"C:\Users\Admin\AppData\Local\Temp\7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Users\Admin\AppData\Local\Temp\7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe
  "C:\Users\Admin\AppData\Local\Temp\7336261cd8d730271f360faa6830de88d4eb9797c19f9faa9b5e5482bc09f04b.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DHXYV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4864
  - - 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:2996
- - 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:2136
  - - 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:4620
  - - 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:4092

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\DHXYV.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
420a79b032871740375cb88503fbdab2

SHA1
083ec234c29ed8d5a3fdd613449a3ee4fc666c78

SHA256
84423cfbec97733e458b4879af5d01d2891d5ae0130fd4c9d5ed749f3e0102e7

SHA512
d6e9edc520ddcaa0e7075ca49ab251cbd44d87d87bf98c175ea74a7274243e2cd5eb3639aad7bfd5cf36a40f86fbc6e7af1e991e35063fc24754f7484dbb1241

Download Submit
memory/1392-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1392-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2136-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2136-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2136-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4092-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4620-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4816-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4816-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/4816-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4816-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4816-4-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/4816-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads