modiloader | 14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 4 IoCs

resource	yara_rule
behavioral2/memory/4848-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4848-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4848-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4848-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe

Executes dropped EXE 3 IoCs

pid	Process
3584	csrsll.exe
460	csrsll.exe
4848	csrsll.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-1-5-21-2045521122-590294423-3465680274-1000\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 1184 set thread context of 4016	1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	84
PID 3584 set thread context of 460	3584	csrsll.exe	92
PID 3584 set thread context of 4848	3584	csrsll.exe	93

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1184-0-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/4016-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4016-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4016-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1184-9-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/files/0x0009000000023c91-25.dat	upx
behavioral2/memory/3584-32-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/3584-36-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/3584-37-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/4848-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4848-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4016-48-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4848-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4848-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4848-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3584-53-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/4016-54-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/460-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4848-57-0x0000000000400000-0x0000000000414000-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	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
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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe
Token: SeDebugPrivilege	460	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
4016	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
3584	csrsll.exe
460	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 4016	1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	84
PID 1184 wrote to memory of 4016	1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	84
PID 1184 wrote to memory of 4016	1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	84
PID 1184 wrote to memory of 4016	1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	84
PID 1184 wrote to memory of 4016	1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	84
PID 1184 wrote to memory of 4016	1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	84
PID 1184 wrote to memory of 4016	1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	84
PID 1184 wrote to memory of 4016	1184	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	84
PID 4016 wrote to memory of 668	4016	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	86
PID 4016 wrote to memory of 668	4016	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	86
PID 4016 wrote to memory of 668	4016	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	86
PID 668 wrote to memory of 2096	668	cmd.exe	90
PID 668 wrote to memory of 2096	668	cmd.exe	90
PID 668 wrote to memory of 2096	668	cmd.exe	90
PID 4016 wrote to memory of 3584	4016	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	91
PID 4016 wrote to memory of 3584	4016	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	91
PID 4016 wrote to memory of 3584	4016	14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe	91
PID 3584 wrote to memory of 460	3584	csrsll.exe	92
PID 3584 wrote to memory of 460	3584	csrsll.exe	92
PID 3584 wrote to memory of 460	3584	csrsll.exe	92
PID 3584 wrote to memory of 460	3584	csrsll.exe	92
PID 3584 wrote to memory of 460	3584	csrsll.exe	92
PID 3584 wrote to memory of 460	3584	csrsll.exe	92
PID 3584 wrote to memory of 460	3584	csrsll.exe	92
PID 3584 wrote to memory of 460	3584	csrsll.exe	92
PID 3584 wrote to memory of 4848	3584	csrsll.exe	93
PID 3584 wrote to memory of 4848	3584	csrsll.exe	93
PID 3584 wrote to memory of 4848	3584	csrsll.exe	93
PID 3584 wrote to memory of 4848	3584	csrsll.exe	93
PID 3584 wrote to memory of 4848	3584	csrsll.exe	93
PID 3584 wrote to memory of 4848	3584	csrsll.exe	93
PID 3584 wrote to memory of 4848	3584	csrsll.exe	93
PID 3584 wrote to memory of 4848	3584	csrsll.exe	93

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:1184
- C:\Users\Admin\AppData\Local\Temp\14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe
  "C:\Users\Admin\AppData\Local\Temp\14975c44bc39a8f3f71f020f05bbb86f910983d0b867ad430ce69c60c15fcbfa.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4016
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BQROX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:668
  - - 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:2096
- - 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:3584
  - - 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:460
  - - 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:4848

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

Query Registry

T1012

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\BQROX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
338KB

MD5
4a6c9cb4059412c142059177cdae33ae

SHA1
79ae4f334ce5156130617a38e67cb4456936887d

SHA256
84f66a31e8bdd982b5fb74d768731fc1808cd12e0f473a107aceefc71873173e

SHA512
8ec903d71cbbef2c007c5e7fc84bf40626e2b561e1f7a1d2c50c28f2aea41ce808a1be02ad7edf1e22157fc7db88f718b5639c19fcc6a380b4d717a55a4868a8

Download Submit
memory/460-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1184-3-0x0000000002A50000-0x0000000002A51000-memory.dmp

Filesize
4KB

Download
memory/1184-4-0x0000000002B80000-0x0000000002B81000-memory.dmp

Filesize
4KB

Download
memory/1184-0-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1184-9-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3584-37-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3584-53-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3584-32-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3584-36-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4016-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4016-48-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4016-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4016-54-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4016-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4848-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4848-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4848-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4848-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4848-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4848-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads