modiloader | 2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 14:07

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General

Target

2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
Size

90KB
MD5

db7f49389b1918a72d158e71ae6bfa94
SHA1

b789b3cb91608682705beedd56cb4a202dcbdcbf
SHA256

2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7
SHA512

b0b61993fce2bad26d8f3acf82be6957c34d4d08470a2aeec8ae2314d5128789bdc8b75d8b01721dca1d9e7fab96ddd76ae5b23c67650837bf12649ab8f40024
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD8:0wjZQJvzZsgsW6/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/1192-255-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2028	csrsll.exe
1980	csrsll.exe
1192	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.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 3052 set thread context of 2640	3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	31
PID 2028 set thread context of 1980	2028	csrsll.exe	36
PID 2028 set thread context of 1192	2028	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3052-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3052-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3052-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2640-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3052-108-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-145.dat	upx
behavioral1/memory/2640-148-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2028-207-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2640-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2028-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1192-243-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1980-252-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1192-255-0x0000000000400000-0x0000000000414000-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	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.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	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe
Token: SeDebugPrivilege	1980	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
2028	csrsll.exe
1980	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2640	3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	31
PID 3052 wrote to memory of 2640	3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	31
PID 3052 wrote to memory of 2640	3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	31
PID 3052 wrote to memory of 2640	3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	31
PID 3052 wrote to memory of 2640	3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	31
PID 3052 wrote to memory of 2640	3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	31
PID 3052 wrote to memory of 2640	3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	31
PID 3052 wrote to memory of 2640	3052	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	31
PID 2640 wrote to memory of 1444	2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	32
PID 2640 wrote to memory of 1444	2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	32
PID 2640 wrote to memory of 1444	2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	32
PID 2640 wrote to memory of 1444	2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	32
PID 1444 wrote to memory of 2824	1444	cmd.exe	34
PID 1444 wrote to memory of 2824	1444	cmd.exe	34
PID 1444 wrote to memory of 2824	1444	cmd.exe	34
PID 1444 wrote to memory of 2824	1444	cmd.exe	34
PID 2640 wrote to memory of 2028	2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	35
PID 2640 wrote to memory of 2028	2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	35
PID 2640 wrote to memory of 2028	2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	35
PID 2640 wrote to memory of 2028	2640	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	35
PID 2028 wrote to memory of 1980	2028	csrsll.exe	36
PID 2028 wrote to memory of 1980	2028	csrsll.exe	36
PID 2028 wrote to memory of 1980	2028	csrsll.exe	36
PID 2028 wrote to memory of 1980	2028	csrsll.exe	36
PID 2028 wrote to memory of 1980	2028	csrsll.exe	36
PID 2028 wrote to memory of 1980	2028	csrsll.exe	36
PID 2028 wrote to memory of 1980	2028	csrsll.exe	36
PID 2028 wrote to memory of 1980	2028	csrsll.exe	36
PID 2028 wrote to memory of 1192	2028	csrsll.exe	37
PID 2028 wrote to memory of 1192	2028	csrsll.exe	37
PID 2028 wrote to memory of 1192	2028	csrsll.exe	37
PID 2028 wrote to memory of 1192	2028	csrsll.exe	37
PID 2028 wrote to memory of 1192	2028	csrsll.exe	37
PID 2028 wrote to memory of 1192	2028	csrsll.exe	37
PID 2028 wrote to memory of 1192	2028	csrsll.exe	37
PID 2028 wrote to memory of 1192	2028	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
"C:\Users\Admin\AppData\Local\Temp\2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
  "C:\Users\Admin\AppData\Local\Temp\2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SEBFA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1444
  - - 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:2824
- - 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:2028
  - - 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:1980
  - - 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:1192

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\SEBFA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6cf65d8a844fd3e3eb5e8387cf3ce6d0

SHA1
112dafb2d5536a13e1bba6c623468b741c01aa54

SHA256
275d2fdb22ad3d49b547791dea1e25ef5d9dfe7aa38ac4e0285650e648d064d6

SHA512
0b58201191fd9eeeee1da7c6295efa7c2d3dc181c0a0d970b0c1c1c8109091c5c2655e0254392756af853757a8e1b093d95e67d698505d2dc53f0533f4dac061

Download Submit
memory/1192-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1192-243-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1980-252-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2028-161-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2028-172-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2028-207-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2028-151-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2640-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-148-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-206-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2640-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3052-100-0x00000000027A0000-0x00000000027F3000-memory.dmp

Filesize
332KB

Download
memory/3052-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/3052-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3052-108-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3052-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3052-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/3052-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/3052-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/3052-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/3052-71-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/3052-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/3052-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/3052-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3052-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads