modiloader | 053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7

Analysis

max time kernel
118s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 03:21

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General

Target

053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
Size

90KB
MD5

aef4a24c2d90a10ff5669c35a2e10ee0
SHA1

9729ca044b227e22b414dc6394408a7212567abf
SHA256

053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7
SHA512

88384f9c5280fb5be81e8b69590e7cd8eef87f33ce32e7e67d7ced2e992dff587cce3347c622a2ff793f088aab25cfbee075aa811e6d807923c93de83d51a08e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDY:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3m

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 2 IoCs

resource	yara_rule
behavioral1/memory/1860-249-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1860-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
984	csrsll.exe
2244	csrsll.exe
1860	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.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-1-5-21-3533259084-2542256011-65585152-1000\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 2536 set thread context of 2776	2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	30
PID 984 set thread context of 2244	984	csrsll.exe	36
PID 984 set thread context of 1860	984	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2536-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2536-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2536-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2776-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2536-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2776-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2776-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2776-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2776-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2776-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000800000001920f-133.dat	upx
behavioral1/memory/2776-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/984-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/984-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1860-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2776-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2244-248-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2244-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1860-257-0x0000000000400000-0x0000000000414000-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	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.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	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe
Token: SeDebugPrivilege	2244	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
984	csrsll.exe
2244	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2776	2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	30
PID 2536 wrote to memory of 2776	2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	30
PID 2536 wrote to memory of 2776	2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	30
PID 2536 wrote to memory of 2776	2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	30
PID 2536 wrote to memory of 2776	2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	30
PID 2536 wrote to memory of 2776	2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	30
PID 2536 wrote to memory of 2776	2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	30
PID 2536 wrote to memory of 2776	2536	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	30
PID 2776 wrote to memory of 2952	2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	32
PID 2776 wrote to memory of 2952	2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	32
PID 2776 wrote to memory of 2952	2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	32
PID 2776 wrote to memory of 2952	2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	32
PID 2952 wrote to memory of 1184	2952	cmd.exe	34
PID 2952 wrote to memory of 1184	2952	cmd.exe	34
PID 2952 wrote to memory of 1184	2952	cmd.exe	34
PID 2952 wrote to memory of 1184	2952	cmd.exe	34
PID 2776 wrote to memory of 984	2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	35
PID 2776 wrote to memory of 984	2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	35
PID 2776 wrote to memory of 984	2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	35
PID 2776 wrote to memory of 984	2776	053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe	35
PID 984 wrote to memory of 2244	984	csrsll.exe	36
PID 984 wrote to memory of 2244	984	csrsll.exe	36
PID 984 wrote to memory of 2244	984	csrsll.exe	36
PID 984 wrote to memory of 2244	984	csrsll.exe	36
PID 984 wrote to memory of 2244	984	csrsll.exe	36
PID 984 wrote to memory of 2244	984	csrsll.exe	36
PID 984 wrote to memory of 2244	984	csrsll.exe	36
PID 984 wrote to memory of 2244	984	csrsll.exe	36
PID 984 wrote to memory of 1860	984	csrsll.exe	37
PID 984 wrote to memory of 1860	984	csrsll.exe	37
PID 984 wrote to memory of 1860	984	csrsll.exe	37
PID 984 wrote to memory of 1860	984	csrsll.exe	37
PID 984 wrote to memory of 1860	984	csrsll.exe	37
PID 984 wrote to memory of 1860	984	csrsll.exe	37
PID 984 wrote to memory of 1860	984	csrsll.exe	37
PID 984 wrote to memory of 1860	984	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
"C:\Users\Admin\AppData\Local\Temp\053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe
  "C:\Users\Admin\AppData\Local\Temp\053b6f959f93bf53e64e06448fe6b79f69ac8d4aa852e67d39c42f1c69ee7ef7N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NJIVC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2952
  - - 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:1184
- - 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:984
  - - 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:2244
  - - 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:1860

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

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\NJIVC.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7888421438c7725262e6913efd438b0a

SHA1
4c9f202a570a6529759a3ed985cabf248c669250

SHA256
ede2533da404a7408254368e9899f35d8f4e1284be5694d9f9632ccee21ab392

SHA512
7a38754cbdd8a3cb94ac9fd14f184a1348e247578f951ea327027489406c8373c46ca7d723d4cb2c6bc09e9a4cf35a0c8b7fd0a9640e6dd36994f840ec7e7d03

Download Submit
memory/984-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/984-174-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/984-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/984-163-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/984-153-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1860-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1860-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2244-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2244-248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2536-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2536-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2536-5-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2536-3-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2536-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2536-15-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2536-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2536-41-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/2536-29-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/2536-61-0x0000000000840000-0x0000000000841000-memory.dmp

Filesize
4KB

Download
memory/2536-71-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/2536-79-0x0000000000880000-0x0000000000882000-memory.dmp

Filesize
8KB

Download
memory/2536-103-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2776-146-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2776-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2776-145-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2776-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2776-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2776-210-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2776-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2776-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2776-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2776-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2776-246-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2776-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2776-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads