modiloader | 954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8

Analysis

max time kernel
119s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 19:56

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General

Target

954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe
Size

90KB
MD5

e2b6dbcc3060d244a11026bcc3f24a00
SHA1

18f92d6c4f2b019bfb25ed56424e27589f3bea0c
SHA256

954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8
SHA512

1380f2c0ac2a05b436daf385493de02717cf7ab95cacde5dd54dc50513ff067900ee717755d6bba09a2d63b5894e84253fc7eb877e64274d9f8ec7131425d6f1
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDk:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3K

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/1596-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1596-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1596-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1596-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe

Executes dropped EXE 3 IoCs

pid	Process
4232	csrsll.exe
404	csrsll.exe
1596	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-1-5-21-3442511616-637977696-3186306149-1000\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 3592 set thread context of 5108	3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	82
PID 4232 set thread context of 404	4232	csrsll.exe	93
PID 4232 set thread context of 1596	4232	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3592-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3592-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5108-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5108-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3592-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5108-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000300000001e754-29.dat	upx
behavioral2/memory/4232-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5108-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4232-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1596-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1596-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4232-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1596-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1596-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1596-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4232-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5108-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/404-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1596-62-0x0000000000400000-0x0000000000414000-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	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe
Token: SeDebugPrivilege	404	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe
5108	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe
4232	csrsll.exe
404	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 5108	3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	82
PID 3592 wrote to memory of 5108	3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	82
PID 3592 wrote to memory of 5108	3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	82
PID 3592 wrote to memory of 5108	3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	82
PID 3592 wrote to memory of 5108	3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	82
PID 3592 wrote to memory of 5108	3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	82
PID 3592 wrote to memory of 5108	3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	82
PID 3592 wrote to memory of 5108	3592	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	82
PID 5108 wrote to memory of 4608	5108	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	83
PID 5108 wrote to memory of 4608	5108	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	83
PID 5108 wrote to memory of 4608	5108	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	83
PID 4608 wrote to memory of 1776	4608	cmd.exe	86
PID 4608 wrote to memory of 1776	4608	cmd.exe	86
PID 4608 wrote to memory of 1776	4608	cmd.exe	86
PID 5108 wrote to memory of 4232	5108	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	87
PID 5108 wrote to memory of 4232	5108	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	87
PID 5108 wrote to memory of 4232	5108	954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe	87
PID 4232 wrote to memory of 404	4232	csrsll.exe	93
PID 4232 wrote to memory of 404	4232	csrsll.exe	93
PID 4232 wrote to memory of 404	4232	csrsll.exe	93
PID 4232 wrote to memory of 404	4232	csrsll.exe	93
PID 4232 wrote to memory of 404	4232	csrsll.exe	93
PID 4232 wrote to memory of 404	4232	csrsll.exe	93
PID 4232 wrote to memory of 404	4232	csrsll.exe	93
PID 4232 wrote to memory of 404	4232	csrsll.exe	93
PID 4232 wrote to memory of 1596	4232	csrsll.exe	94
PID 4232 wrote to memory of 1596	4232	csrsll.exe	94
PID 4232 wrote to memory of 1596	4232	csrsll.exe	94
PID 4232 wrote to memory of 1596	4232	csrsll.exe	94
PID 4232 wrote to memory of 1596	4232	csrsll.exe	94
PID 4232 wrote to memory of 1596	4232	csrsll.exe	94
PID 4232 wrote to memory of 1596	4232	csrsll.exe	94
PID 4232 wrote to memory of 1596	4232	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe
"C:\Users\Admin\AppData\Local\Temp\954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Users\Admin\AppData\Local\Temp\954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe
  "C:\Users\Admin\AppData\Local\Temp\954826b92b4f9430f813326310c0c89111e5a3e2026e0ea41c813b39eaf351b8N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5108
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NAEAO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4608
  - - 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:1776
- - 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:4232
  - - 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:404
  - - 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:1596

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\NAEAO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
16b601c42a7e7528ec67b709de6fa610

SHA1
2cb17b878ca718111895c1616e1abfe3d6f9ad58

SHA256
e0ecfd291eec7a6e4997a19bd445593aaf794d8a87e8614ba975b574e1e2ad1a

SHA512
267456bbdf5ecf5589e5037dd3d2f992906531aff500e96d82a45dcb0ed14d6e2c49cc95eaf55ca0808e46dcc66c2358d911c02aac2aa271f804efe964dc40c7

Download Submit
memory/404-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1596-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3592-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3592-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3592-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3592-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/3592-4-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/3592-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4232-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4232-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4232-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4232-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5108-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5108-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5108-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5108-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5108-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads