modiloader | 8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 00:45

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General

Target

8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
Size

90KB
MD5

864a441ebe1847e1d2aeb239bab62ea6
SHA1

8cd951f142e2f3d78d990078864a10abf284c847
SHA256

8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0
SHA512

d10f1643b500a09cab2e1818e78d712ea0ef259aaafe97941e85b3d33b51dea7c00643ce144342b6965a0997cdfacebe9aae523b653d50c35204c2afd1a4facb
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD6:0wjZQJvzZsgsW6/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 2 IoCs

resource	yara_rule
behavioral1/memory/1440-251-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1440-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2800	csrsll.exe
1656	csrsll.exe
1440	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.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-1-5-21-312935884-697965778-3955649944-1000\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 1752 set thread context of 2572	1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	31
PID 2800 set thread context of 1656	2800	csrsll.exe	36
PID 2800 set thread context of 1440	2800	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1752-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1752-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1752-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2572-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1752-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2572-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-143.dat	upx
behavioral1/memory/2800-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2572-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2800-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1656-240-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2800-254-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1440-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2800-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1656-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1440-261-0x0000000000400000-0x0000000000414000-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	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.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	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe
Token: SeDebugPrivilege	1656	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
2800	csrsll.exe
1656	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2572	1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	31
PID 1752 wrote to memory of 2572	1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	31
PID 1752 wrote to memory of 2572	1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	31
PID 1752 wrote to memory of 2572	1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	31
PID 1752 wrote to memory of 2572	1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	31
PID 1752 wrote to memory of 2572	1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	31
PID 1752 wrote to memory of 2572	1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	31
PID 1752 wrote to memory of 2572	1752	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	31
PID 2572 wrote to memory of 2908	2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	32
PID 2572 wrote to memory of 2908	2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	32
PID 2572 wrote to memory of 2908	2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	32
PID 2572 wrote to memory of 2908	2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	32
PID 2908 wrote to memory of 576	2908	cmd.exe	34
PID 2908 wrote to memory of 576	2908	cmd.exe	34
PID 2908 wrote to memory of 576	2908	cmd.exe	34
PID 2908 wrote to memory of 576	2908	cmd.exe	34
PID 2572 wrote to memory of 2800	2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	35
PID 2572 wrote to memory of 2800	2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	35
PID 2572 wrote to memory of 2800	2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	35
PID 2572 wrote to memory of 2800	2572	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	35
PID 2800 wrote to memory of 1656	2800	csrsll.exe	36
PID 2800 wrote to memory of 1656	2800	csrsll.exe	36
PID 2800 wrote to memory of 1656	2800	csrsll.exe	36
PID 2800 wrote to memory of 1656	2800	csrsll.exe	36
PID 2800 wrote to memory of 1656	2800	csrsll.exe	36
PID 2800 wrote to memory of 1656	2800	csrsll.exe	36
PID 2800 wrote to memory of 1656	2800	csrsll.exe	36
PID 2800 wrote to memory of 1656	2800	csrsll.exe	36
PID 2800 wrote to memory of 1440	2800	csrsll.exe	37
PID 2800 wrote to memory of 1440	2800	csrsll.exe	37
PID 2800 wrote to memory of 1440	2800	csrsll.exe	37
PID 2800 wrote to memory of 1440	2800	csrsll.exe	37
PID 2800 wrote to memory of 1440	2800	csrsll.exe	37
PID 2800 wrote to memory of 1440	2800	csrsll.exe	37
PID 2800 wrote to memory of 1440	2800	csrsll.exe	37
PID 2800 wrote to memory of 1440	2800	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
"C:\Users\Admin\AppData\Local\Temp\8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
  "C:\Users\Admin\AppData\Local\Temp\8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\KKIQC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2908
  - - 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:576
- - 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:2800
  - - 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:1656
  - - 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:1440

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\KKIQC.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
dd094ab80dae45bed279ca845ed3ecd2

SHA1
33ba0f6582d5acc2e67a25d9560284b205a6d774

SHA256
e667de6daec2376596e7528901774a461251cd96d89dea71ac57a1128e9cac69

SHA512
3f72ea395f75a2c66941697c9a3c72bfae9d7136bb0894a3210b12b7a7f9c55b1540e08d087cb4a208eddb7b15356ee1dffc145f7a310fb46ec8ce6122097ab9

Download Submit
memory/1440-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1440-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1656-240-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1656-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1752-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1752-15-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1752-96-0x0000000000550000-0x00000000005A3000-memory.dmp

Filesize
332KB

Download
memory/1752-29-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1752-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1752-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1752-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1752-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1752-79-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/1752-71-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1752-61-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1752-41-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1752-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1752-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2572-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-146-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/2572-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-147-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/2572-148-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/2572-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-212-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/2572-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2800-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2800-165-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2800-254-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2800-176-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2800-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2800-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2800-155-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads