modiloader | 97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87

Analysis

max time kernel
118s
max time network
121s
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 18:45

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General

Target

97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe
Size

90KB
MD5

2cdf772f0ff3569d0dd75bd4e28ab960
SHA1

beb2172145bada1444f136b52b0c03d8f517bd6e
SHA256

97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87
SHA512

23a64ab8bbbed5201411cba883bdc7eb48cca1e7a7d2b36a17a27eedd2550e4fa3f1b2beadc6cbfeaff096ecfc0d4b7f022cf6216c7d584f547b7eab984d0195
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/4972-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4972-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4972-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4972-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe

Executes dropped EXE 3 IoCs

pid	Process
1300	csrsll.exe
4672	csrsll.exe
4972	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 964 set thread context of 2200	964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	83
PID 1300 set thread context of 4672	1300	csrsll.exe	97
PID 1300 set thread context of 4972	1300	csrsll.exe	98

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/964-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/964-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2200-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2200-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/964-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2200-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b92-29.dat	upx
behavioral2/memory/1300-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2200-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1300-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1300-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4972-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4972-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4972-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4972-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1300-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4972-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2200-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4672-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4972-61-0x0000000000400000-0x0000000000414000-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	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.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	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe
Token: SeDebugPrivilege	4672	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe
2200	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe
1300	csrsll.exe
4672	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 2200	964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	83
PID 964 wrote to memory of 2200	964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	83
PID 964 wrote to memory of 2200	964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	83
PID 964 wrote to memory of 2200	964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	83
PID 964 wrote to memory of 2200	964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	83
PID 964 wrote to memory of 2200	964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	83
PID 964 wrote to memory of 2200	964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	83
PID 964 wrote to memory of 2200	964	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	83
PID 2200 wrote to memory of 4456	2200	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	84
PID 2200 wrote to memory of 4456	2200	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	84
PID 2200 wrote to memory of 4456	2200	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	84
PID 4456 wrote to memory of 3656	4456	cmd.exe	88
PID 4456 wrote to memory of 3656	4456	cmd.exe	88
PID 4456 wrote to memory of 3656	4456	cmd.exe	88
PID 2200 wrote to memory of 1300	2200	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	89
PID 2200 wrote to memory of 1300	2200	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	89
PID 2200 wrote to memory of 1300	2200	97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe	89
PID 1300 wrote to memory of 4672	1300	csrsll.exe	97
PID 1300 wrote to memory of 4672	1300	csrsll.exe	97
PID 1300 wrote to memory of 4672	1300	csrsll.exe	97
PID 1300 wrote to memory of 4672	1300	csrsll.exe	97
PID 1300 wrote to memory of 4672	1300	csrsll.exe	97
PID 1300 wrote to memory of 4672	1300	csrsll.exe	97
PID 1300 wrote to memory of 4672	1300	csrsll.exe	97
PID 1300 wrote to memory of 4672	1300	csrsll.exe	97
PID 1300 wrote to memory of 4972	1300	csrsll.exe	98
PID 1300 wrote to memory of 4972	1300	csrsll.exe	98
PID 1300 wrote to memory of 4972	1300	csrsll.exe	98
PID 1300 wrote to memory of 4972	1300	csrsll.exe	98
PID 1300 wrote to memory of 4972	1300	csrsll.exe	98
PID 1300 wrote to memory of 4972	1300	csrsll.exe	98
PID 1300 wrote to memory of 4972	1300	csrsll.exe	98
PID 1300 wrote to memory of 4972	1300	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe
"C:\Users\Admin\AppData\Local\Temp\97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:964
- C:\Users\Admin\AppData\Local\Temp\97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe
  "C:\Users\Admin\AppData\Local\Temp\97f61d34a30085b04a259accf14988f85a9df7384437683a415f486936371e87N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KXENX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4456
  - - 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:3656
- - 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:1300
  - - 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:4672
  - - 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:4972

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\KXENX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
95c503dcefffd174ac3556a6170e684d

SHA1
d7147536e6aad1b3df6e8afc5d0061f0caf45973

SHA256
88338c8a2cdde48ade585ba74e204629907ae2098fdd36272fe1e13503073b6c

SHA512
ff86e205628f852f230f201ad7fc92a68c87fb3f81d39d9490f2e38978e17dc5973ef59c908e39166b85306481be18ccdd0e29981c29175808f5d5bfaeac6a2b

Download Submit
memory/964-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/964-3-0x0000000002900000-0x0000000002902000-memory.dmp

Filesize
8KB

Download
memory/964-4-0x0000000002910000-0x0000000002912000-memory.dmp

Filesize
8KB

Download
memory/964-6-0x0000000002930000-0x0000000002932000-memory.dmp

Filesize
8KB

Download
memory/964-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/964-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1300-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1300-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1300-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1300-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2200-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2200-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2200-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2200-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2200-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4672-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4972-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4972-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4972-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4972-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4972-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4972-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads