modiloader | b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 15:02

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General

Target

b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe
Size

90KB
MD5

e9028b134a020d378a1bf8d89c905285
SHA1

7a06580e2e3ccd62512ece7424b7105364daaecd
SHA256

b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503
SHA512

8f9caa8483f64db16f1c743a6d135627630102414cd3697a04c0a76d34a5c00efef671d6cebb0e11e0f9aceb67579f9bb8a03e62e913a15511efb3e79152bf4d
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDd:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3H

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/3416-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3416-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3416-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3416-62-0x0000000000400000-0x0000000000414000-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	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe

Executes dropped EXE 3 IoCs

pid	Process
980	csrsll.exe
2396	csrsll.exe
3416	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 4380 set thread context of 2420	4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	82
PID 980 set thread context of 2396	980	csrsll.exe	94
PID 980 set thread context of 3416	980	csrsll.exe	95

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4380-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4380-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2420-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2420-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4380-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2420-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023bb0-29.dat	upx
behavioral2/memory/2420-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/980-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3416-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3416-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3416-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3416-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3416-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/980-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2420-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2396-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3416-62-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe
Token: SeDebugPrivilege	2396	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe
2420	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe
980	csrsll.exe
2396	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 2420	4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	82
PID 4380 wrote to memory of 2420	4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	82
PID 4380 wrote to memory of 2420	4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	82
PID 4380 wrote to memory of 2420	4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	82
PID 4380 wrote to memory of 2420	4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	82
PID 4380 wrote to memory of 2420	4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	82
PID 4380 wrote to memory of 2420	4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	82
PID 4380 wrote to memory of 2420	4380	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	82
PID 2420 wrote to memory of 4644	2420	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	83
PID 2420 wrote to memory of 4644	2420	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	83
PID 2420 wrote to memory of 4644	2420	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	83
PID 4644 wrote to memory of 372	4644	cmd.exe	86
PID 4644 wrote to memory of 372	4644	cmd.exe	86
PID 4644 wrote to memory of 372	4644	cmd.exe	86
PID 2420 wrote to memory of 980	2420	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	87
PID 2420 wrote to memory of 980	2420	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	87
PID 2420 wrote to memory of 980	2420	b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe	87
PID 980 wrote to memory of 2396	980	csrsll.exe	94
PID 980 wrote to memory of 2396	980	csrsll.exe	94
PID 980 wrote to memory of 2396	980	csrsll.exe	94
PID 980 wrote to memory of 2396	980	csrsll.exe	94
PID 980 wrote to memory of 2396	980	csrsll.exe	94
PID 980 wrote to memory of 2396	980	csrsll.exe	94
PID 980 wrote to memory of 2396	980	csrsll.exe	94
PID 980 wrote to memory of 2396	980	csrsll.exe	94
PID 980 wrote to memory of 3416	980	csrsll.exe	95
PID 980 wrote to memory of 3416	980	csrsll.exe	95
PID 980 wrote to memory of 3416	980	csrsll.exe	95
PID 980 wrote to memory of 3416	980	csrsll.exe	95
PID 980 wrote to memory of 3416	980	csrsll.exe	95
PID 980 wrote to memory of 3416	980	csrsll.exe	95
PID 980 wrote to memory of 3416	980	csrsll.exe	95
PID 980 wrote to memory of 3416	980	csrsll.exe	95

C:\Users\Admin\AppData\Local\Temp\b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe
"C:\Users\Admin\AppData\Local\Temp\b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Users\Admin\AppData\Local\Temp\b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe
  "C:\Users\Admin\AppData\Local\Temp\b7e2ab6a86f4f902a510a8650e6cab3a90ddcaba343dbb86bbe8cd76d6211503.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HHTPN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4644
  - - 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:372
- - 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:980
  - - 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:2396
  - - 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:3416

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\HHTPN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4f8c2d0a7772282b723af8ab422b69e4

SHA1
578ebcf3ea00644b5379ef0cbbf7dac2113c8a34

SHA256
d42fdcb58c37e60df53f0689c5b5a439ea0129b9e5fffd15715e0407c578b5ce

SHA512
599f1e986d074852a66921b3f0e9ec433a3bf2e5a79ebe1776e27655fa7befed1e94b18ad7e3ae974229ed38f4220a20f9cc5369a140d42c419739ce884fe733

Download Submit
memory/980-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/980-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2396-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3416-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3416-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3416-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3416-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3416-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3416-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4380-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4380-4-0x0000000002C70000-0x0000000002C72000-memory.dmp

Filesize
8KB

Download
memory/4380-6-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/4380-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4380-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4380-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads