modiloader | 6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895

Analysis

max time kernel
120s
max time network
28s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 18:31

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General

Target

6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
Size

90KB
MD5

6f6a772b2855d15e4df6933be78b0c80
SHA1

06807a7fc9721239d1a4729e350f3b7ae932b900
SHA256

6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895
SHA512

2a7a2f5b761cba85f4dafca63efccbe7b8225b86c551ff8be23095b3c10b532cf1ae296785dd82a579a3aa0674d7c51e775b248d8cdc5148208d377e99241745
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDi:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE30

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 1 IoCs

resource	yara_rule
behavioral1/memory/1320-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1056	csrsll.exe
2468	csrsll.exe
1320	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.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-1-5-21-3692679935-4019334568-335155002-1000\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 1736 set thread context of 2248	1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	30
PID 1056 set thread context of 2468	1056	csrsll.exe	35
PID 1056 set thread context of 1320	1056	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1736-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1736-25-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1736-27-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1736-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1736-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2248-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2248-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1736-108-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2248-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2248-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2248-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2248-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d000000012266-134.dat	upx
behavioral1/memory/2248-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1056-190-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1056-174-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1320-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1056-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2248-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2468-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1320-262-0x0000000000400000-0x0000000000414000-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	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.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	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe
Token: SeDebugPrivilege	2468	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
1056	csrsll.exe
2468	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2248	1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	30
PID 1736 wrote to memory of 2248	1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	30
PID 1736 wrote to memory of 2248	1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	30
PID 1736 wrote to memory of 2248	1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	30
PID 1736 wrote to memory of 2248	1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	30
PID 1736 wrote to memory of 2248	1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	30
PID 1736 wrote to memory of 2248	1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	30
PID 1736 wrote to memory of 2248	1736	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	30
PID 2248 wrote to memory of 2996	2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	31
PID 2248 wrote to memory of 2996	2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	31
PID 2248 wrote to memory of 2996	2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	31
PID 2248 wrote to memory of 2996	2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	31
PID 2996 wrote to memory of 1952	2996	cmd.exe	33
PID 2996 wrote to memory of 1952	2996	cmd.exe	33
PID 2996 wrote to memory of 1952	2996	cmd.exe	33
PID 2996 wrote to memory of 1952	2996	cmd.exe	33
PID 2248 wrote to memory of 1056	2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	34
PID 2248 wrote to memory of 1056	2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	34
PID 2248 wrote to memory of 1056	2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	34
PID 2248 wrote to memory of 1056	2248	6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe	34
PID 1056 wrote to memory of 2468	1056	csrsll.exe	35
PID 1056 wrote to memory of 2468	1056	csrsll.exe	35
PID 1056 wrote to memory of 2468	1056	csrsll.exe	35
PID 1056 wrote to memory of 2468	1056	csrsll.exe	35
PID 1056 wrote to memory of 2468	1056	csrsll.exe	35
PID 1056 wrote to memory of 2468	1056	csrsll.exe	35
PID 1056 wrote to memory of 2468	1056	csrsll.exe	35
PID 1056 wrote to memory of 2468	1056	csrsll.exe	35
PID 1056 wrote to memory of 1320	1056	csrsll.exe	36
PID 1056 wrote to memory of 1320	1056	csrsll.exe	36
PID 1056 wrote to memory of 1320	1056	csrsll.exe	36
PID 1056 wrote to memory of 1320	1056	csrsll.exe	36
PID 1056 wrote to memory of 1320	1056	csrsll.exe	36
PID 1056 wrote to memory of 1320	1056	csrsll.exe	36
PID 1056 wrote to memory of 1320	1056	csrsll.exe	36
PID 1056 wrote to memory of 1320	1056	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
"C:\Users\Admin\AppData\Local\Temp\6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe
  "C:\Users\Admin\AppData\Local\Temp\6b283fe2b59e444f3a3850d84ed291afbd7423396676f836c9c2ab96155e7895N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\KLGEH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - 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:1952
- - 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:1056
  - - 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:2468
  - - 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:1320

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\KLGEH.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
506630d990f931ff89ca0ee2075d481f

SHA1
e4d7ad6668bd6eefec5d0a9ac202589d3733bae8

SHA256
d1ae9fa33cc7faea9edd8c465e754aff989895b3f9b78b6728b71d1547acee51

SHA512
7dd3d3a9e039db4213d553b592c8b01493ace294997b179f1bd29328260e997aa8087da024463230d1ba0a5112e3d735cb5e902d50d5fa2936510d53717af9d3

Download Submit
memory/1056-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1056-167-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1056-190-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-179-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1056-174-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1320-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1320-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1736-93-0x00000000023B0000-0x0000000002403000-memory.dmp

Filesize
332KB

Download
memory/1736-108-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-62-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/1736-42-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1736-72-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/1736-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-80-0x0000000000500000-0x0000000000502000-memory.dmp

Filesize
8KB

Download
memory/1736-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-26-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1736-30-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/1736-27-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-15-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1736-25-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-3-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1736-5-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2248-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2248-149-0x0000000002B40000-0x0000000002B93000-memory.dmp

Filesize
332KB

Download
memory/2248-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2248-148-0x0000000002B40000-0x0000000002B93000-memory.dmp

Filesize
332KB

Download
memory/2248-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2248-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2248-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2248-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2248-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2248-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2248-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2248-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2468-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads