modiloader | 5a952782202fd9a85907a89c6a25139ae1575ac8b98e6ec315451d688b05b250

Analysis

max time kernel
120s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 13:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b0eaee3d272c0113d02d9fcdd7a7fd50N.exe
Size

90KB
MD5

b0eaee3d272c0113d02d9fcdd7a7fd50
SHA1

c179752c83030512ce7f7bc6c4aa92c487556261
SHA256

5a952782202fd9a85907a89c6a25139ae1575ac8b98e6ec315451d688b05b250
SHA512

278ecc4703e35f89d57404402b26072752e6eab2ea9f1c4028aa8d576ce6788cc2133b943e1e704f089cafc255c56f1ca6ba700ea63b6ba189e54cddc7f8b4e6
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 4 IoCs

resource	yara_rule
behavioral2/memory/1320-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1320-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1320-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1320-60-0x0000000000400000-0x0000000000414000-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe

Executes dropped EXE 3 IoCs

pid	Process
2392	csrsll.exe
964	csrsll.exe
1320	csrsll.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/628-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2680-4-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2680-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2680-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/628-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000700000001e554-29.dat	upx
behavioral2/memory/2392-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1320-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1320-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1320-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1320-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1320-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2392-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2680-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/964-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1320-60-0x0000000000400000-0x0000000000414000-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-1-5-21-523280732-2327480845-3730041215-1000\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 628 set thread context of 2680	628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	86
PID 2392 set thread context of 964	2392	csrsll.exe	92
PID 2392 set thread context of 1320	2392	csrsll.exe	93

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	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0eaee3d272c0113d02d9fcdd7a7fd50N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe
2680	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe
2392	csrsll.exe
964	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 2680	628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	86
PID 628 wrote to memory of 2680	628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	86
PID 628 wrote to memory of 2680	628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	86
PID 628 wrote to memory of 2680	628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	86
PID 628 wrote to memory of 2680	628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	86
PID 628 wrote to memory of 2680	628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	86
PID 628 wrote to memory of 2680	628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	86
PID 628 wrote to memory of 2680	628	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	86
PID 2680 wrote to memory of 212	2680	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	87
PID 2680 wrote to memory of 212	2680	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	87
PID 2680 wrote to memory of 212	2680	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	87
PID 212 wrote to memory of 5088	212	cmd.exe	90
PID 212 wrote to memory of 5088	212	cmd.exe	90
PID 212 wrote to memory of 5088	212	cmd.exe	90
PID 2680 wrote to memory of 2392	2680	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	91
PID 2680 wrote to memory of 2392	2680	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	91
PID 2680 wrote to memory of 2392	2680	b0eaee3d272c0113d02d9fcdd7a7fd50N.exe	91
PID 2392 wrote to memory of 964	2392	csrsll.exe	92
PID 2392 wrote to memory of 964	2392	csrsll.exe	92
PID 2392 wrote to memory of 964	2392	csrsll.exe	92
PID 2392 wrote to memory of 964	2392	csrsll.exe	92
PID 2392 wrote to memory of 964	2392	csrsll.exe	92
PID 2392 wrote to memory of 964	2392	csrsll.exe	92
PID 2392 wrote to memory of 964	2392	csrsll.exe	92
PID 2392 wrote to memory of 964	2392	csrsll.exe	92
PID 2392 wrote to memory of 1320	2392	csrsll.exe	93
PID 2392 wrote to memory of 1320	2392	csrsll.exe	93
PID 2392 wrote to memory of 1320	2392	csrsll.exe	93
PID 2392 wrote to memory of 1320	2392	csrsll.exe	93
PID 2392 wrote to memory of 1320	2392	csrsll.exe	93
PID 2392 wrote to memory of 1320	2392	csrsll.exe	93
PID 2392 wrote to memory of 1320	2392	csrsll.exe	93
PID 2392 wrote to memory of 1320	2392	csrsll.exe	93

C:\Users\Admin\AppData\Local\Temp\b0eaee3d272c0113d02d9fcdd7a7fd50N.exe
"C:\Users\Admin\AppData\Local\Temp\b0eaee3d272c0113d02d9fcdd7a7fd50N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:628
- C:\Users\Admin\AppData\Local\Temp\b0eaee3d272c0113d02d9fcdd7a7fd50N.exe
  "C:\Users\Admin\AppData\Local\Temp\b0eaee3d272c0113d02d9fcdd7a7fd50N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NEWOK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:212
  - - 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:5088
- - 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:2392
  - - 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:964
  - - 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:1320

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\NEWOK.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
b0eaee3d272c0113d02d9fcdd7a7fd50

SHA1
c179752c83030512ce7f7bc6c4aa92c487556261

SHA256
5a952782202fd9a85907a89c6a25139ae1575ac8b98e6ec315451d688b05b250

SHA512
278ecc4703e35f89d57404402b26072752e6eab2ea9f1c4028aa8d576ce6788cc2133b943e1e704f089cafc255c56f1ca6ba700ea63b6ba189e54cddc7f8b4e6

Download Submit
memory/628-8-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/628-3-0x0000000002B40000-0x0000000002B42000-memory.dmp

Filesize
8KB

Download
memory/628-7-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/628-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/628-11-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/628-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/964-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1320-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1320-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1320-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1320-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1320-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1320-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2392-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2392-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2680-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-56-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2680-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads