modiloader | 5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 16:51

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General

Target

5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
Size

90KB
MD5

2872c26c31b9f561dd90432726cf9360
SHA1

8c850d8f38d4abab6f8d8a493f767519d573f53b
SHA256

5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f
SHA512

4dd0618a412ba659d0afc0bd229f4482faf54abb304bd82c11ad4a4ecabbab79e93db941581795ef9f957a5c20c04b67b50b9ffcba375bcbe148df70599688a9
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/908-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2144	csrsll.exe
1612	csrsll.exe
908	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.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 2388 set thread context of 1960	2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	30
PID 2144 set thread context of 1612	2144	csrsll.exe	35
PID 2144 set thread context of 908	2144	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2388-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2388-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2388-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1960-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1960-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1960-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2388-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1960-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1960-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1960-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0034000000011c23-131.dat	upx
behavioral1/memory/1960-133-0x0000000003460000-0x00000000034B3000-memory.dmp	upx
behavioral1/memory/1960-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2144-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/908-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2144-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2144-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1960-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1612-240-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1612-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/908-261-0x0000000000400000-0x0000000000414000-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	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe
Token: SeDebugPrivilege	1612	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
2144	csrsll.exe
1612	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1960	2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	30
PID 2388 wrote to memory of 1960	2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	30
PID 2388 wrote to memory of 1960	2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	30
PID 2388 wrote to memory of 1960	2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	30
PID 2388 wrote to memory of 1960	2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	30
PID 2388 wrote to memory of 1960	2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	30
PID 2388 wrote to memory of 1960	2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	30
PID 2388 wrote to memory of 1960	2388	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	30
PID 1960 wrote to memory of 1796	1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	31
PID 1960 wrote to memory of 1796	1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	31
PID 1960 wrote to memory of 1796	1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	31
PID 1960 wrote to memory of 1796	1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	31
PID 1796 wrote to memory of 1028	1796	cmd.exe	33
PID 1796 wrote to memory of 1028	1796	cmd.exe	33
PID 1796 wrote to memory of 1028	1796	cmd.exe	33
PID 1796 wrote to memory of 1028	1796	cmd.exe	33
PID 1960 wrote to memory of 2144	1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	34
PID 1960 wrote to memory of 2144	1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	34
PID 1960 wrote to memory of 2144	1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	34
PID 1960 wrote to memory of 2144	1960	5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe	34
PID 2144 wrote to memory of 1612	2144	csrsll.exe	35
PID 2144 wrote to memory of 1612	2144	csrsll.exe	35
PID 2144 wrote to memory of 1612	2144	csrsll.exe	35
PID 2144 wrote to memory of 1612	2144	csrsll.exe	35
PID 2144 wrote to memory of 1612	2144	csrsll.exe	35
PID 2144 wrote to memory of 1612	2144	csrsll.exe	35
PID 2144 wrote to memory of 1612	2144	csrsll.exe	35
PID 2144 wrote to memory of 1612	2144	csrsll.exe	35
PID 2144 wrote to memory of 908	2144	csrsll.exe	36
PID 2144 wrote to memory of 908	2144	csrsll.exe	36
PID 2144 wrote to memory of 908	2144	csrsll.exe	36
PID 2144 wrote to memory of 908	2144	csrsll.exe	36
PID 2144 wrote to memory of 908	2144	csrsll.exe	36
PID 2144 wrote to memory of 908	2144	csrsll.exe	36
PID 2144 wrote to memory of 908	2144	csrsll.exe	36
PID 2144 wrote to memory of 908	2144	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
"C:\Users\Admin\AppData\Local\Temp\5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe
  "C:\Users\Admin\AppData\Local\Temp\5d66f55c3f489d86a6b06fd3f3073362b4a2d50a9a65c087b709ec4835fd952f.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NWNBC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1796
  - - 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:1028
- - 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:2144
  - - 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:1612
  - - 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:908

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\NWNBC.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
36c9310417b165569d878e490ceaba68

SHA1
19ee9940d566a18f5d285c603bb02516e4e0d5be

SHA256
dd88ce03a2b9b614faaac9346826a0e651bcbab086654fb61000ff54e286746c

SHA512
f1e807501edd22bf8076bc3931a901a2acdb6e9fe27bd6b201d586136be8efa4d56a190abcdb58dd33f61df152a9a5f8cac0404217c39eb174e1f833b7d5db44

Download Submit
memory/908-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/908-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1612-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1612-240-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1960-138-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/1960-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1960-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1960-147-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/1960-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1960-133-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/1960-210-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/1960-152-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/1960-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1960-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1960-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1960-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1960-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1960-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1960-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2144-176-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2144-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2144-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2144-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2144-165-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2144-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2388-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2388-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2388-71-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2388-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2388-61-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2388-29-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2388-41-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2388-79-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2388-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2388-96-0x00000000023E0000-0x0000000002433000-memory.dmp

Filesize
332KB

Download
memory/2388-19-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2388-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2388-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2388-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads