modiloader | 03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 19:12

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General

Target

03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe
Size

90KB
MD5

d39b8a1fbe55b874181bf7afdb0a9621
SHA1

ec91f4e6e29a911df36e6729408bbffe6fd330ee
SHA256

03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a
SHA512

1f13e8477816e5bca14c2cbf90d19a56d031ebb572d8ba7b2a83690bf632b06dcabceebb43004e8961391149b833a146e428a13f7bd70a0d177b1f79c85a433e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDT:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3N

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/2276-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1624	csrsll.exe
952	csrsll.exe
2276	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe
884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe
884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe
884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe
884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.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-1-5-21-1488793075-819845221-1497111674-1000\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 2668 set thread context of 884	2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	30
PID 1624 set thread context of 952	1624	csrsll.exe	35
PID 1624 set thread context of 2276	1624	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2668-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2668-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2668-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/884-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/884-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/884-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/884-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2668-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/884-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/884-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2668-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2668-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000b0000000122ea-132.dat	upx
behavioral1/memory/2668-153-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/884-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2276-256-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/884-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1624-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1624-244-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/952-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2276-263-0x0000000000400000-0x0000000000414000-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	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe
884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe
1624	csrsll.exe
952	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 884	2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	30
PID 2668 wrote to memory of 884	2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	30
PID 2668 wrote to memory of 884	2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	30
PID 2668 wrote to memory of 884	2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	30
PID 2668 wrote to memory of 884	2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	30
PID 2668 wrote to memory of 884	2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	30
PID 2668 wrote to memory of 884	2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	30
PID 2668 wrote to memory of 884	2668	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	30
PID 884 wrote to memory of 1680	884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	31
PID 884 wrote to memory of 1680	884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	31
PID 884 wrote to memory of 1680	884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	31
PID 884 wrote to memory of 1680	884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	31
PID 1680 wrote to memory of 1364	1680	cmd.exe	33
PID 1680 wrote to memory of 1364	1680	cmd.exe	33
PID 1680 wrote to memory of 1364	1680	cmd.exe	33
PID 1680 wrote to memory of 1364	1680	cmd.exe	33
PID 884 wrote to memory of 1624	884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	34
PID 884 wrote to memory of 1624	884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	34
PID 884 wrote to memory of 1624	884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	34
PID 884 wrote to memory of 1624	884	03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe	34
PID 1624 wrote to memory of 952	1624	csrsll.exe	35
PID 1624 wrote to memory of 952	1624	csrsll.exe	35
PID 1624 wrote to memory of 952	1624	csrsll.exe	35
PID 1624 wrote to memory of 952	1624	csrsll.exe	35
PID 1624 wrote to memory of 952	1624	csrsll.exe	35
PID 1624 wrote to memory of 952	1624	csrsll.exe	35
PID 1624 wrote to memory of 952	1624	csrsll.exe	35
PID 1624 wrote to memory of 952	1624	csrsll.exe	35
PID 1624 wrote to memory of 2276	1624	csrsll.exe	36
PID 1624 wrote to memory of 2276	1624	csrsll.exe	36
PID 1624 wrote to memory of 2276	1624	csrsll.exe	36
PID 1624 wrote to memory of 2276	1624	csrsll.exe	36
PID 1624 wrote to memory of 2276	1624	csrsll.exe	36
PID 1624 wrote to memory of 2276	1624	csrsll.exe	36
PID 1624 wrote to memory of 2276	1624	csrsll.exe	36
PID 1624 wrote to memory of 2276	1624	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe
"C:\Users\Admin\AppData\Local\Temp\03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Local\Temp\03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe
  "C:\Users\Admin\AppData\Local\Temp\03fce478cefc5074db517ec60e77681450cbad753258d719880bca94c0b3724a.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:884
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\GSWTH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1680
  - - 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:1364
- - 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:1624
  - - 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:952
  - - 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:2276

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\GSWTH.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
99c541cbbabd8a173c0e6440e2cbfa92

SHA1
cdcf7d72e77a4dcb2eaa03922bbd39528dd304d6

SHA256
d67878302f672acc03e2b4c0c36b62092811cebaced3b67c7f6073aef68f3c82

SHA512
b5a4abeade24c1cb367053b2c9d25fda8b07747334fcf909d83cefc1640f52a0945248961c6c8c8204e95fdc43c01fbc8d324669b69419d6a69d4b50e3203836

Download Submit
memory/884-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/884-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/884-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/884-225-0x0000000002490000-0x00000000024E3000-memory.dmp

Filesize
332KB

Download
memory/884-150-0x0000000002490000-0x00000000024E3000-memory.dmp

Filesize
332KB

Download
memory/884-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/884-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/884-245-0x0000000002490000-0x00000000024E3000-memory.dmp

Filesize
332KB

Download
memory/884-219-0x0000000002490000-0x00000000024E3000-memory.dmp

Filesize
332KB

Download
memory/884-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/884-149-0x0000000002490000-0x00000000024E3000-memory.dmp

Filesize
332KB

Download
memory/884-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/884-146-0x0000000002490000-0x00000000024E3000-memory.dmp

Filesize
332KB

Download
memory/884-148-0x0000000002490000-0x00000000024E3000-memory.dmp

Filesize
332KB

Download
memory/884-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/884-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/884-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/952-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1624-157-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1624-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1624-167-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1624-178-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1624-244-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2276-256-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2276-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2668-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2668-153-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-29-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2668-41-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2668-61-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2668-71-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2668-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-80-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2668-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2668-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2668-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads