modiloader | 68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703

Analysis

max time kernel
119s
max time network
20s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 20:28

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General

Target

68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
Size

90KB
MD5

a12f5e5934bb4930abc7295c48299500
SHA1

21c40339bb26584f69f896b8c23c7e96c2f789c7
SHA256

68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703
SHA512

756028b585d3cfd8e7ac9c12e4fc031f0af6ac8cc71b91814ffcbab1a43821e9028ddcdf3b59cb4369607557b5d5be2d48370480e879e0e88c6fe5560acaa3fe
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDC:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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/1040-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
868	csrsll.exe
960	csrsll.exe
1040	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.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-1-5-21-1163522206-1469769407-485553996-1000\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 1268 set thread context of 2924	1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	31
PID 868 set thread context of 960	868	csrsll.exe	36
PID 868 set thread context of 1040	868	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1268-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1268-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1268-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2924-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1268-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2924-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2924-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2924-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2924-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2924-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-133.dat	upx
behavioral1/memory/2924-145-0x0000000003470000-0x00000000034C3000-memory.dmp	upx
behavioral1/memory/868-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2924-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/868-215-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/960-232-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1040-246-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/868-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2924-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/960-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1040-260-0x0000000000400000-0x0000000000414000-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	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe
Token: SeDebugPrivilege	960	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
868	csrsll.exe
960	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 2924	1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	31
PID 1268 wrote to memory of 2924	1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	31
PID 1268 wrote to memory of 2924	1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	31
PID 1268 wrote to memory of 2924	1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	31
PID 1268 wrote to memory of 2924	1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	31
PID 1268 wrote to memory of 2924	1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	31
PID 1268 wrote to memory of 2924	1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	31
PID 1268 wrote to memory of 2924	1268	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	31
PID 2924 wrote to memory of 3064	2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	32
PID 2924 wrote to memory of 3064	2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	32
PID 2924 wrote to memory of 3064	2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	32
PID 2924 wrote to memory of 3064	2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	32
PID 3064 wrote to memory of 1996	3064	cmd.exe	34
PID 3064 wrote to memory of 1996	3064	cmd.exe	34
PID 3064 wrote to memory of 1996	3064	cmd.exe	34
PID 3064 wrote to memory of 1996	3064	cmd.exe	34
PID 2924 wrote to memory of 868	2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	35
PID 2924 wrote to memory of 868	2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	35
PID 2924 wrote to memory of 868	2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	35
PID 2924 wrote to memory of 868	2924	68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe	35
PID 868 wrote to memory of 960	868	csrsll.exe	36
PID 868 wrote to memory of 960	868	csrsll.exe	36
PID 868 wrote to memory of 960	868	csrsll.exe	36
PID 868 wrote to memory of 960	868	csrsll.exe	36
PID 868 wrote to memory of 960	868	csrsll.exe	36
PID 868 wrote to memory of 960	868	csrsll.exe	36
PID 868 wrote to memory of 960	868	csrsll.exe	36
PID 868 wrote to memory of 960	868	csrsll.exe	36
PID 868 wrote to memory of 1040	868	csrsll.exe	37
PID 868 wrote to memory of 1040	868	csrsll.exe	37
PID 868 wrote to memory of 1040	868	csrsll.exe	37
PID 868 wrote to memory of 1040	868	csrsll.exe	37
PID 868 wrote to memory of 1040	868	csrsll.exe	37
PID 868 wrote to memory of 1040	868	csrsll.exe	37
PID 868 wrote to memory of 1040	868	csrsll.exe	37
PID 868 wrote to memory of 1040	868	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
"C:\Users\Admin\AppData\Local\Temp\68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe
  "C:\Users\Admin\AppData\Local\Temp\68d4a5ebb7cd5821ca54065298f116da2502b09b41f1813c48e9aaebf19d8703N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\GUBKX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3064
  - - 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:1996
- - 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:868
  - - 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:960
  - - 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:1040

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\GUBKX.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4fad223aee6cb725f6a539daa4e6532a

SHA1
a459138a4b0e09febd0d28a28739d98d1cf3d566

SHA256
56b2f1f65fd694325795d60aa696c77bb7e17713108f576be8f76115542dbdde

SHA512
5d3811597a2e9604b5f6a730e721a001e742fb7ffad9af44b428b7c7c397a2f601f89bbd4044ec3a03a67fab5112f27a97aa2bf07ad851fe27ef829fcd8fc760

Download Submit
memory/868-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/868-166-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/868-177-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/868-215-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/868-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/868-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/960-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/960-232-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1040-246-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1268-79-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/1268-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1268-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1268-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1268-16-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1268-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1268-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1268-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1268-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1268-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1268-103-0x0000000001CC0000-0x0000000001D13000-memory.dmp

Filesize
332KB

Download
memory/1268-29-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/1268-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1268-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2924-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-147-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2924-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-148-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2924-146-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2924-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-145-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2924-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2924-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2924-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads