modiloader | 14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:57

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General

Target

14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
Size

338KB
MD5

a64a382ef7c765b54b4c0ca0792ace7f
SHA1

9eb885165dea931fabf3ae8f820c8fd74482ea0f
SHA256

14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa
SHA512

506cc36cad7ffc6ff3cc56f08fa00fa30949f6a2902e7820fc95fd362dd4098173ca82a13a755cc909bef2093c3082fa6b309f7041df628b2d62507340767c02
SSDEEP

3072:uc3sBG7mXh7m/zZM3jAbNOM6CNtDCZFc/:/3sBz0Z4Mj72F

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/107204-147864-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
145676	csrsll.exe
106972	csrsll.exe
107204	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.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-1-5-21-3692679935-4019334568-335155002-1000\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 2904 set thread context of 145412	2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	29
PID 145676 set thread context of 106972	145676	csrsll.exe	34
PID 145676 set thread context of 107204	145676	csrsll.exe	35

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2904-0-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral1/memory/145412-73925-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/145412-73926-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/145412-73921-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/145412-73919-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/145412-73927-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2904-73929-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral1/files/0x000d000000012264-73953.dat	upx
behavioral1/memory/145412-73955-0x0000000001FA0000-0x0000000001FF7000-memory.dmp	upx
behavioral1/memory/145412-73973-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/145412-81552-0x0000000001FA0000-0x0000000001FF7000-memory.dmp	upx
behavioral1/memory/145676-85769-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral1/memory/107204-147851-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/145676-147854-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral1/memory/106972-147845-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/145412-147857-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/106972-147861-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/107204-147864-0x0000000000400000-0x0000000000414000-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	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.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 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe
Token: SeDebugPrivilege	106972	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
145676	csrsll.exe
106972	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 145412	2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	29
PID 2904 wrote to memory of 145412	2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	29
PID 2904 wrote to memory of 145412	2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	29
PID 2904 wrote to memory of 145412	2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	29
PID 2904 wrote to memory of 145412	2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	29
PID 2904 wrote to memory of 145412	2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	29
PID 2904 wrote to memory of 145412	2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	29
PID 2904 wrote to memory of 145412	2904	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	29
PID 145412 wrote to memory of 145596	145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	30
PID 145412 wrote to memory of 145596	145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	30
PID 145412 wrote to memory of 145596	145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	30
PID 145412 wrote to memory of 145596	145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	30
PID 145596 wrote to memory of 145648	145596	cmd.exe	32
PID 145596 wrote to memory of 145648	145596	cmd.exe	32
PID 145596 wrote to memory of 145648	145596	cmd.exe	32
PID 145596 wrote to memory of 145648	145596	cmd.exe	32
PID 145412 wrote to memory of 145676	145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	33
PID 145412 wrote to memory of 145676	145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	33
PID 145412 wrote to memory of 145676	145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	33
PID 145412 wrote to memory of 145676	145412	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	33
PID 145676 wrote to memory of 106972	145676	csrsll.exe	34
PID 145676 wrote to memory of 106972	145676	csrsll.exe	34
PID 145676 wrote to memory of 106972	145676	csrsll.exe	34
PID 145676 wrote to memory of 106972	145676	csrsll.exe	34
PID 145676 wrote to memory of 106972	145676	csrsll.exe	34
PID 145676 wrote to memory of 106972	145676	csrsll.exe	34
PID 145676 wrote to memory of 106972	145676	csrsll.exe	34
PID 145676 wrote to memory of 106972	145676	csrsll.exe	34
PID 145676 wrote to memory of 107204	145676	csrsll.exe	35
PID 145676 wrote to memory of 107204	145676	csrsll.exe	35
PID 145676 wrote to memory of 107204	145676	csrsll.exe	35
PID 145676 wrote to memory of 107204	145676	csrsll.exe	35
PID 145676 wrote to memory of 107204	145676	csrsll.exe	35
PID 145676 wrote to memory of 107204	145676	csrsll.exe	35
PID 145676 wrote to memory of 107204	145676	csrsll.exe	35
PID 145676 wrote to memory of 107204	145676	csrsll.exe	35

C:\Users\Admin\AppData\Local\Temp\14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
"C:\Users\Admin\AppData\Local\Temp\14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Users\Admin\AppData\Local\Temp\14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
  "C:\Users\Admin\AppData\Local\Temp\14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:145412
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\ONREI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:145596
  - - 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:145648
- - 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:145676
  - - 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:106972
  - - 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:107204

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\ONREI.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
338KB

MD5
8e39f4c17cb8053d9705ceb4f29f18af

SHA1
43f6cc49f98f7c6c646d72cedce4d169817359d3

SHA256
411da4b66b15b56507343a3ee0692c82a8ae32e26aea0c757cb85bab938a0fd6

SHA512
ef6f65f6969625bfae3a210a0d927dd8e93cad6ce1ff732fbb48ba77e25c6d180c7e54e154654c4e3bb81bed48a2ff93cb25426a4d1e63d605c6b5c6cd3e0dfb

Download Submit
memory/2904-73929-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2904-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2904-58-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2904-0-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/106972-147861-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/106972-147845-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/107204-147864-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/107204-147851-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/145412-73921-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/145412-84284-0x0000000001FA0000-0x0000000001FF7000-memory.dmp

Filesize
348KB

Download
memory/145412-73917-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/145412-73955-0x0000000001FA0000-0x0000000001FF7000-memory.dmp

Filesize
348KB

Download
memory/145412-73968-0x0000000001FA0000-0x0000000001FF7000-memory.dmp

Filesize
348KB

Download
memory/145412-73969-0x0000000001FA0000-0x0000000001FF7000-memory.dmp

Filesize
348KB

Download
memory/145412-73973-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/145412-81577-0x0000000001FA0000-0x0000000001FF7000-memory.dmp

Filesize
348KB

Download
memory/145412-81552-0x0000000001FA0000-0x0000000001FF7000-memory.dmp

Filesize
348KB

Download
memory/145412-73927-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/145412-73925-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/145412-73919-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/145412-73926-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/145412-73923-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/145412-147857-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/145676-147854-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/145676-85769-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads