modiloader | 34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007

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
04-01-2025 19:44

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General

Target

34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
Size

90KB
MD5

e4de93e225ffcf6ec412006964631750
SHA1

786b6744fee4d247ef56d62e3f3b7d0147401d4a
SHA256

34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007
SHA512

9ce379eff2c1efb15ce02c23d61d0a4c61fb9e592a016be85af137568a610a77479531ce5d54931cb74dd678b2b0a382c88ce11bb2feafa1e7733a079197cc90
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/640-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/640-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/640-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/640-64-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe

Executes dropped EXE 3 IoCs

pid	Process
3144	csrsll.exe
1960	csrsll.exe
640	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-1-5-21-2437139445-1151884604-3026847218-1000\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 2360 set thread context of 3788	2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	83
PID 3144 set thread context of 1960	3144	csrsll.exe	97
PID 3144 set thread context of 640	3144	csrsll.exe	98

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2360-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2360-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3788-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3788-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2360-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3788-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b88-29.dat	upx
behavioral2/memory/3144-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3788-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3144-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3144-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/640-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/640-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/640-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/640-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3144-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/640-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3788-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1960-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/640-64-0x0000000000400000-0x0000000000414000-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	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
3788	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
3144	csrsll.exe
1960	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 3788	2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	83
PID 2360 wrote to memory of 3788	2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	83
PID 2360 wrote to memory of 3788	2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	83
PID 2360 wrote to memory of 3788	2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	83
PID 2360 wrote to memory of 3788	2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	83
PID 2360 wrote to memory of 3788	2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	83
PID 2360 wrote to memory of 3788	2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	83
PID 2360 wrote to memory of 3788	2360	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	83
PID 3788 wrote to memory of 3708	3788	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	84
PID 3788 wrote to memory of 3708	3788	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	84
PID 3788 wrote to memory of 3708	3788	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	84
PID 3708 wrote to memory of 3504	3708	cmd.exe	88
PID 3708 wrote to memory of 3504	3708	cmd.exe	88
PID 3708 wrote to memory of 3504	3708	cmd.exe	88
PID 3788 wrote to memory of 3144	3788	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	89
PID 3788 wrote to memory of 3144	3788	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	89
PID 3788 wrote to memory of 3144	3788	34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe	89
PID 3144 wrote to memory of 1960	3144	csrsll.exe	97
PID 3144 wrote to memory of 1960	3144	csrsll.exe	97
PID 3144 wrote to memory of 1960	3144	csrsll.exe	97
PID 3144 wrote to memory of 1960	3144	csrsll.exe	97
PID 3144 wrote to memory of 1960	3144	csrsll.exe	97
PID 3144 wrote to memory of 1960	3144	csrsll.exe	97
PID 3144 wrote to memory of 1960	3144	csrsll.exe	97
PID 3144 wrote to memory of 1960	3144	csrsll.exe	97
PID 3144 wrote to memory of 640	3144	csrsll.exe	98
PID 3144 wrote to memory of 640	3144	csrsll.exe	98
PID 3144 wrote to memory of 640	3144	csrsll.exe	98
PID 3144 wrote to memory of 640	3144	csrsll.exe	98
PID 3144 wrote to memory of 640	3144	csrsll.exe	98
PID 3144 wrote to memory of 640	3144	csrsll.exe	98
PID 3144 wrote to memory of 640	3144	csrsll.exe	98
PID 3144 wrote to memory of 640	3144	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
"C:\Users\Admin\AppData\Local\Temp\34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe
  "C:\Users\Admin\AppData\Local\Temp\34da5d4311a0494166adb6b88e0aa61c8ece473522bfa50eca9bb818d85cd007N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3788
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YGUTF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3708
  - - 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:3504
- - 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:3144
  - - 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:1960
  - - 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:640

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\YGUTF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a2f479937f4f1b4ca14a0f6d747cd1f9

SHA1
667ebd230cdcd1a74366910fd4af9e423d1c87e4

SHA256
b85bd708ca23e5619522d419c461e3482b095ad7aa1c5ad3db7964b7585a19ae

SHA512
3f551da819bb06ef96976f906009cbb1242c5f438ff4b73a8fba632dbfe617c61af58de0504f89474e5a08936654cdfe2243e5e241b341985f33f1bd58aeec75

Download Submit
memory/640-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1960-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2360-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2360-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2360-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/2360-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2360-4-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/2360-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/3144-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3144-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3144-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3144-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3788-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3788-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3788-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3788-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3788-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3788-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads