modiloader | 24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-01-2025 21:22

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General

Target

24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
Size

90KB
MD5

73b612ac28328350bd873047482e2ee7
SHA1

b1fee4ccd17a774114b4378e051b0dfe9754455a
SHA256

24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f
SHA512

0d578f501be0dc55a380359d4695f39893d176adb43019ef6610f2794e6aa28a895473063835b9e343805d2b4054e9b1354738994296e7df54c909c0d1727b47
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDC:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3k

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/2572-254-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2572-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
864	csrsll.exe
1108	csrsll.exe
2572	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.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 2504 set thread context of 2624	2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	31
PID 864 set thread context of 1108	864	csrsll.exe	36
PID 864 set thread context of 2572	864	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2504-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2504-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2504-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2624-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2624-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2624-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2624-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2624-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2624-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2504-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000a000000015d5c-150.dat	upx
behavioral1/memory/2624-145-0x00000000025B0000-0x0000000002603000-memory.dmp	upx
behavioral1/memory/2624-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/864-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/864-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2572-254-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2624-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1108-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-258-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
864	csrsll.exe
1108	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2624	2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	31
PID 2504 wrote to memory of 2624	2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	31
PID 2504 wrote to memory of 2624	2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	31
PID 2504 wrote to memory of 2624	2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	31
PID 2504 wrote to memory of 2624	2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	31
PID 2504 wrote to memory of 2624	2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	31
PID 2504 wrote to memory of 2624	2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	31
PID 2504 wrote to memory of 2624	2504	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	31
PID 2624 wrote to memory of 1900	2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	32
PID 2624 wrote to memory of 1900	2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	32
PID 2624 wrote to memory of 1900	2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	32
PID 2624 wrote to memory of 1900	2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	32
PID 1900 wrote to memory of 2920	1900	cmd.exe	34
PID 1900 wrote to memory of 2920	1900	cmd.exe	34
PID 1900 wrote to memory of 2920	1900	cmd.exe	34
PID 1900 wrote to memory of 2920	1900	cmd.exe	34
PID 2624 wrote to memory of 864	2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	35
PID 2624 wrote to memory of 864	2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	35
PID 2624 wrote to memory of 864	2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	35
PID 2624 wrote to memory of 864	2624	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	35
PID 864 wrote to memory of 1108	864	csrsll.exe	36
PID 864 wrote to memory of 1108	864	csrsll.exe	36
PID 864 wrote to memory of 1108	864	csrsll.exe	36
PID 864 wrote to memory of 1108	864	csrsll.exe	36
PID 864 wrote to memory of 1108	864	csrsll.exe	36
PID 864 wrote to memory of 1108	864	csrsll.exe	36
PID 864 wrote to memory of 1108	864	csrsll.exe	36
PID 864 wrote to memory of 1108	864	csrsll.exe	36
PID 864 wrote to memory of 2572	864	csrsll.exe	37
PID 864 wrote to memory of 2572	864	csrsll.exe	37
PID 864 wrote to memory of 2572	864	csrsll.exe	37
PID 864 wrote to memory of 2572	864	csrsll.exe	37
PID 864 wrote to memory of 2572	864	csrsll.exe	37
PID 864 wrote to memory of 2572	864	csrsll.exe	37
PID 864 wrote to memory of 2572	864	csrsll.exe	37
PID 864 wrote to memory of 2572	864	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
"C:\Users\Admin\AppData\Local\Temp\24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
  "C:\Users\Admin\AppData\Local\Temp\24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\FKXGH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1900
  - - 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:2920
- - 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:864
  - - 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:1108
  - - 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:2572

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\FKXGH.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6e97553172fe6e7634e66891a72e1555

SHA1
01ff2b1997ae83c64594fb555108b25c68d4158d

SHA256
5f153694dc2acd081cbb4d203f1c24150caad794a8fab123b431c50efe4c3758

SHA512
3cd8bcdea4bb3cb75c0a12b004d6f1c7690de30766e1b7222fd58ab37d0b8cb3e442e1f981162e5b5495179e2d9eeb055b8ea5795ce084692398cea622951cf4

Download Submit
memory/864-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/864-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/864-166-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/864-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/864-177-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/1108-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2504-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2504-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2504-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2504-103-0x0000000001CC0000-0x0000000001D13000-memory.dmp

Filesize
332KB

Download
memory/2504-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2504-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2504-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2504-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2504-71-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2504-79-0x0000000000320000-0x0000000000322000-memory.dmp

Filesize
8KB

Download
memory/2504-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2504-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2504-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2504-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2572-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2572-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2624-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-147-0x00000000025B0000-0x0000000002603000-memory.dmp

Filesize
332KB

Download
memory/2624-146-0x00000000025B0000-0x0000000002603000-memory.dmp

Filesize
332KB

Download
memory/2624-145-0x00000000025B0000-0x0000000002603000-memory.dmp

Filesize
332KB

Download
memory/2624-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-148-0x00000000025B0000-0x0000000002603000-memory.dmp

Filesize
332KB

Download
memory/2624-211-0x00000000025B0000-0x0000000002603000-memory.dmp

Filesize
332KB

Download
memory/2624-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-149-0x00000000025B0000-0x0000000002603000-memory.dmp

Filesize
332KB

Download
memory/2624-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads