modiloader | 4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2ae

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2025, 15:20

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General

Target

4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe
Size

90KB
MD5

78ae654e731ebc6a6a2539b2e7060a50
SHA1

a4596672424d5820af9fb73b58a36c03979b817f
SHA256

4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2ae
SHA512

b46e15d1f934656c0e084c0ebeb4e800e4139b8dd00674a6cdfb69b11dedbb74ce76fbea7a600d3d6450b38eea967b0270ab47553c91792daa439a2541943e59
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDy:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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/3464-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe

Executes dropped EXE 3 IoCs

pid	Process
5048	csrsll.exe
1428	csrsll.exe
3464	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-1-5-21-2437139445-1151884604-3026847218-1000\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 2472 set thread context of 3488	2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	83
PID 5048 set thread context of 1428	5048	csrsll.exe	97
PID 5048 set thread context of 3464	5048	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2472-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2472-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3488-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3488-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3488-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2472-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c8d-29.dat	upx
behavioral2/memory/5048-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5048-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3488-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3464-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3464-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3464-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3464-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5048-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3464-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3488-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1428-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3464-63-0x0000000000400000-0x0000000000414000-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	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.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	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe
Token: SeDebugPrivilege	1428	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe
3488	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe
5048	csrsll.exe
1428	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 3488	2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	83
PID 2472 wrote to memory of 3488	2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	83
PID 2472 wrote to memory of 3488	2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	83
PID 2472 wrote to memory of 3488	2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	83
PID 2472 wrote to memory of 3488	2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	83
PID 2472 wrote to memory of 3488	2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	83
PID 2472 wrote to memory of 3488	2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	83
PID 2472 wrote to memory of 3488	2472	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	83
PID 3488 wrote to memory of 4832	3488	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	84
PID 3488 wrote to memory of 4832	3488	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	84
PID 3488 wrote to memory of 4832	3488	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	84
PID 4832 wrote to memory of 1148	4832	cmd.exe	88
PID 4832 wrote to memory of 1148	4832	cmd.exe	88
PID 4832 wrote to memory of 1148	4832	cmd.exe	88
PID 3488 wrote to memory of 5048	3488	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	90
PID 3488 wrote to memory of 5048	3488	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	90
PID 3488 wrote to memory of 5048	3488	4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe	90
PID 5048 wrote to memory of 1428	5048	csrsll.exe	97
PID 5048 wrote to memory of 1428	5048	csrsll.exe	97
PID 5048 wrote to memory of 1428	5048	csrsll.exe	97
PID 5048 wrote to memory of 1428	5048	csrsll.exe	97
PID 5048 wrote to memory of 1428	5048	csrsll.exe	97
PID 5048 wrote to memory of 1428	5048	csrsll.exe	97
PID 5048 wrote to memory of 1428	5048	csrsll.exe	97
PID 5048 wrote to memory of 1428	5048	csrsll.exe	97
PID 5048 wrote to memory of 3464	5048	csrsll.exe	98
PID 5048 wrote to memory of 3464	5048	csrsll.exe	98
PID 5048 wrote to memory of 3464	5048	csrsll.exe	98
PID 5048 wrote to memory of 3464	5048	csrsll.exe	98
PID 5048 wrote to memory of 3464	5048	csrsll.exe	98
PID 5048 wrote to memory of 3464	5048	csrsll.exe	98
PID 5048 wrote to memory of 3464	5048	csrsll.exe	98
PID 5048 wrote to memory of 3464	5048	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe
"C:\Users\Admin\AppData\Local\Temp\4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe
  "C:\Users\Admin\AppData\Local\Temp\4da1440a5e475821b23c7f8ed8b6094f15779f040e1fa1a9855fd52459aaa2aeN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MCOPK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4832
  - - 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:1148
- - 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:5048
  - - 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:1428
  - - 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:3464

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1bca45829c7de1e64a19d2bd42af2b68

SHA1
9f07de070ef108090ecbac5f70fd2dd6bdf994ad

SHA256
19474322e78a109d159dd2e98dee54de2f19369ba4133ea3022b2d48c9152660

SHA512
88409dddbaf5d7e8b59f11ee36d540a439f74103ce4de58c193b3951278e7d132e08a64dcd6620b2d857c461efb9718215d969705f93ddd5ee40531a15309f37

Download Submit
memory/1428-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2472-3-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/2472-4-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/2472-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-6-0x0000000002440000-0x0000000002442000-memory.dmp

Filesize
8KB

Download
memory/2472-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2472-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3464-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3488-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3488-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3488-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3488-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3488-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3488-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5048-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5048-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5048-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads