modiloader | 2416a20cec68900ec2bfe59ed4be524d34ab1825db57898869a01ab970ac3f54

Analysis

max time kernel
118s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 00:26

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General

Target

e37b38efa3319527190c14b994073c50N.exe
Size

90KB
MD5

e37b38efa3319527190c14b994073c50
SHA1

d1d0113e3b3a087fd30c026274e4ab12cb3d9092
SHA256

2416a20cec68900ec2bfe59ed4be524d34ab1825db57898869a01ab970ac3f54
SHA512

cea508f8ad645b790f7d99ff8fe7839a710785c6a1463867e5faf87f2807447cb15cf1723b6d5ba586dbb49780d88470f8e973a04cc82652388b13d111b58658
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 Second Stage 2 IoCs

resource	yara_rule
behavioral1/memory/2856-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2856-269-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2452	csrsll.exe
968	csrsll.exe
2856	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2640	e37b38efa3319527190c14b994073c50N.exe
2640	e37b38efa3319527190c14b994073c50N.exe
2640	e37b38efa3319527190c14b994073c50N.exe
2640	e37b38efa3319527190c14b994073c50N.exe
2640	e37b38efa3319527190c14b994073c50N.exe

UPX packed file 28 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1900-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2640-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-111-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2640-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2640-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-84-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-60-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-29-0x0000000000630000-0x0000000000730000-memory.dmp	upx
behavioral1/memory/2640-114-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-93-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-67-0x0000000000630000-0x0000000000730000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-137.dat	upx
behavioral1/memory/2452-157-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2640-151-0x00000000035A0000-0x00000000035F3000-memory.dmp	upx
behavioral1/memory/2640-160-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2452-221-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2640-267-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2452-263-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2856-259-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/968-268-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2856-269-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-4177215427-74451935-3209572229-1000\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 1900 set thread context of 2640	1900	e37b38efa3319527190c14b994073c50N.exe	31
PID 2452 set thread context of 968	2452	csrsll.exe	36
PID 2452 set thread context of 2856	2452	csrsll.exe	37

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	e37b38efa3319527190c14b994073c50N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e37b38efa3319527190c14b994073c50N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe
Token: SeDebugPrivilege	968	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1900	e37b38efa3319527190c14b994073c50N.exe
2640	e37b38efa3319527190c14b994073c50N.exe
2452	csrsll.exe
968	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2640	1900	e37b38efa3319527190c14b994073c50N.exe	31
PID 1900 wrote to memory of 2640	1900	e37b38efa3319527190c14b994073c50N.exe	31
PID 1900 wrote to memory of 2640	1900	e37b38efa3319527190c14b994073c50N.exe	31
PID 1900 wrote to memory of 2640	1900	e37b38efa3319527190c14b994073c50N.exe	31
PID 1900 wrote to memory of 2640	1900	e37b38efa3319527190c14b994073c50N.exe	31
PID 1900 wrote to memory of 2640	1900	e37b38efa3319527190c14b994073c50N.exe	31
PID 1900 wrote to memory of 2640	1900	e37b38efa3319527190c14b994073c50N.exe	31
PID 1900 wrote to memory of 2640	1900	e37b38efa3319527190c14b994073c50N.exe	31
PID 2640 wrote to memory of 1948	2640	e37b38efa3319527190c14b994073c50N.exe	32
PID 2640 wrote to memory of 1948	2640	e37b38efa3319527190c14b994073c50N.exe	32
PID 2640 wrote to memory of 1948	2640	e37b38efa3319527190c14b994073c50N.exe	32
PID 2640 wrote to memory of 1948	2640	e37b38efa3319527190c14b994073c50N.exe	32
PID 1948 wrote to memory of 1880	1948	cmd.exe	34
PID 1948 wrote to memory of 1880	1948	cmd.exe	34
PID 1948 wrote to memory of 1880	1948	cmd.exe	34
PID 1948 wrote to memory of 1880	1948	cmd.exe	34
PID 2640 wrote to memory of 2452	2640	e37b38efa3319527190c14b994073c50N.exe	35
PID 2640 wrote to memory of 2452	2640	e37b38efa3319527190c14b994073c50N.exe	35
PID 2640 wrote to memory of 2452	2640	e37b38efa3319527190c14b994073c50N.exe	35
PID 2640 wrote to memory of 2452	2640	e37b38efa3319527190c14b994073c50N.exe	35
PID 2452 wrote to memory of 968	2452	csrsll.exe	36
PID 2452 wrote to memory of 968	2452	csrsll.exe	36
PID 2452 wrote to memory of 968	2452	csrsll.exe	36
PID 2452 wrote to memory of 968	2452	csrsll.exe	36
PID 2452 wrote to memory of 968	2452	csrsll.exe	36
PID 2452 wrote to memory of 968	2452	csrsll.exe	36
PID 2452 wrote to memory of 968	2452	csrsll.exe	36
PID 2452 wrote to memory of 968	2452	csrsll.exe	36
PID 2452 wrote to memory of 2856	2452	csrsll.exe	37
PID 2452 wrote to memory of 2856	2452	csrsll.exe	37
PID 2452 wrote to memory of 2856	2452	csrsll.exe	37
PID 2452 wrote to memory of 2856	2452	csrsll.exe	37
PID 2452 wrote to memory of 2856	2452	csrsll.exe	37
PID 2452 wrote to memory of 2856	2452	csrsll.exe	37
PID 2452 wrote to memory of 2856	2452	csrsll.exe	37
PID 2452 wrote to memory of 2856	2452	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\e37b38efa3319527190c14b994073c50N.exe
"C:\Users\Admin\AppData\Local\Temp\e37b38efa3319527190c14b994073c50N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\e37b38efa3319527190c14b994073c50N.exe
  "C:\Users\Admin\AppData\Local\Temp\e37b38efa3319527190c14b994073c50N.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\BCXTO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1948
  - - 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:1880
- - 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:2452
  - - 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:968
  - - 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:2856

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\BCXTO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3a0b375913b448c73bfcb789191ef66a

SHA1
e674d669dde505c6f8c9833918557e9eb24b9d55

SHA256
d2f57ed51e6ed7d40ca49e2d165b3b47278ba59ea32ae07f2d93cce7b1058c18

SHA512
d8ab7ad623757ac580fdffb06bb2873aeedb58e107a259c9ebb84954ff0bab7bb1b1f64850430073dff9eb96fc10f6aad77f8839d7e947d67e4aaff5a771b767

Download Submit
memory/968-268-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-27-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1900-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1900-93-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1900-54-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/1900-111-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-61-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1900-67-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/1900-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-105-0x0000000002570000-0x00000000025C3000-memory.dmp

Filesize
332KB

Download
memory/1900-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-40-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1900-84-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1900-60-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-29-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/1900-30-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2452-157-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2452-263-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2452-221-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2640-267-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-160-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

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

Filesize
44KB

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

Filesize
44KB

Download
memory/2640-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-155-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

Download
memory/2640-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-154-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

Download
memory/2640-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-152-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

Download
memory/2640-260-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

Download
memory/2640-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-218-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

Download
memory/2640-256-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

Download
memory/2640-114-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-153-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

Download
memory/2640-151-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

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

Filesize
44KB

Download
memory/2640-258-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

Download
memory/2640-257-0x00000000035A0000-0x00000000035F3000-memory.dmp

Filesize
332KB

Download
memory/2856-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2856-269-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads