modiloader | 0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 06:42

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General

Target

0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
Size

90KB
MD5

1f6e768059c2214450ae4f0017bae952
SHA1

fb60d43d04ef1430f18eb30af0ded2d3dd1ca411
SHA256

0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a
SHA512

073e214efa85bea8459d315bd719376285fd0d003386bd0e4d235194735c4b014206e4c36305fd9137d6420a94fafc51f04278815676ea25863f19928c432981
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3g

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/1720-251-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1720-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2020	csrsll.exe
952	csrsll.exe
1720	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.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-1-5-21-3290804112-2823094203-3137964600-1000\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 1660 set thread context of 2676	1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	31
PID 2020 set thread context of 952	2020	csrsll.exe	36
PID 2020 set thread context of 1720	2020	csrsll.exe	37

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1660-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1660-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1660-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1660-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1660-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1660-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2676-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1660-109-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2676-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-134.dat	upx
behavioral1/memory/2020-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2676-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2020-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1720-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2020-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2020-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2676-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/952-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1720-260-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.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	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
2020	csrsll.exe
952	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2676	1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	31
PID 1660 wrote to memory of 2676	1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	31
PID 1660 wrote to memory of 2676	1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	31
PID 1660 wrote to memory of 2676	1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	31
PID 1660 wrote to memory of 2676	1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	31
PID 1660 wrote to memory of 2676	1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	31
PID 1660 wrote to memory of 2676	1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	31
PID 1660 wrote to memory of 2676	1660	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	31
PID 2676 wrote to memory of 1236	2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	32
PID 2676 wrote to memory of 1236	2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	32
PID 2676 wrote to memory of 1236	2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	32
PID 2676 wrote to memory of 1236	2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	32
PID 1236 wrote to memory of 1712	1236	cmd.exe	34
PID 1236 wrote to memory of 1712	1236	cmd.exe	34
PID 1236 wrote to memory of 1712	1236	cmd.exe	34
PID 1236 wrote to memory of 1712	1236	cmd.exe	34
PID 2676 wrote to memory of 2020	2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	35
PID 2676 wrote to memory of 2020	2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	35
PID 2676 wrote to memory of 2020	2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	35
PID 2676 wrote to memory of 2020	2676	0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe	35
PID 2020 wrote to memory of 952	2020	csrsll.exe	36
PID 2020 wrote to memory of 952	2020	csrsll.exe	36
PID 2020 wrote to memory of 952	2020	csrsll.exe	36
PID 2020 wrote to memory of 952	2020	csrsll.exe	36
PID 2020 wrote to memory of 952	2020	csrsll.exe	36
PID 2020 wrote to memory of 952	2020	csrsll.exe	36
PID 2020 wrote to memory of 952	2020	csrsll.exe	36
PID 2020 wrote to memory of 952	2020	csrsll.exe	36
PID 2020 wrote to memory of 1720	2020	csrsll.exe	37
PID 2020 wrote to memory of 1720	2020	csrsll.exe	37
PID 2020 wrote to memory of 1720	2020	csrsll.exe	37
PID 2020 wrote to memory of 1720	2020	csrsll.exe	37
PID 2020 wrote to memory of 1720	2020	csrsll.exe	37
PID 2020 wrote to memory of 1720	2020	csrsll.exe	37
PID 2020 wrote to memory of 1720	2020	csrsll.exe	37
PID 2020 wrote to memory of 1720	2020	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
"C:\Users\Admin\AppData\Local\Temp\0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe
  "C:\Users\Admin\AppData\Local\Temp\0d3daad637ffbecac5c6809660634ac1d2328a42ab42cca55e27d7d42912eb4a.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\VMABV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1236
  - - 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:1712
- - 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:2020
  - - 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:952
  - - 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:1720

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\VMABV.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
dc41912216940f0ee6d08503e9a3f4e3

SHA1
1b8fa1e35fe20b0d716ecea618b0080d8ec0cf43

SHA256
e3a858a96d3cd3fb21760fc6df0eb0015ac291d1950ac7fc451e2e28630aece1

SHA512
bab977beaa60746cf0b81a18e9c2f4a4ada1e0688cf3f099f795b319c1a91878290c02d692b3b86fd6624c32bb56b7c842db5735522d06447c5b0b775f46be9e

Download Submit
memory/952-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1660-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1660-93-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/1660-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1660-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1660-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1660-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1660-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1660-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1660-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1660-16-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1660-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1660-80-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/1660-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1660-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1660-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1660-109-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1660-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1720-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1720-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2020-165-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2020-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-176-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2020-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2676-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-212-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2676-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads