modiloader | 1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d

Analysis

max time kernel
118s
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
12-01-2025 21:40

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General

Target

1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe
Size

90KB
MD5

8f2091c259fd670ce1784525870e2890
SHA1

f98bd8e2772d3cac26c5059e33b9992599ad9e72
SHA256

1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d
SHA512

b99ad03cc9a3fee87cdf6d1202a07ea60e6aef3ee868e76b24cc1d918cac9adf33644fccc82b4dacc4567b2ca0a52a87ac2c1e6380d39ebce82b41b1760bc86d
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD2:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3c

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/3992-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3992-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3992-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3992-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe

Executes dropped EXE 3 IoCs

pid	Process
1488	csrsll.exe
4128	csrsll.exe
3992	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-1-5-21-3756129449-3121373848-4276368241-1000\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 2640 set thread context of 2312	2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	82
PID 1488 set thread context of 4128	1488	csrsll.exe	93
PID 1488 set thread context of 3992	1488	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2640-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2640-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2312-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2312-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2312-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2640-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000f000000023bba-29.dat	upx
behavioral2/memory/1488-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2312-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1488-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1488-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3992-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1488-51-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3992-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3992-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3992-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3992-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2312-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4128-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3992-62-0x0000000000400000-0x0000000000414000-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	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.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	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe
Token: SeDebugPrivilege	4128	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe
2312	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe
1488	csrsll.exe
4128	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2312	2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	82
PID 2640 wrote to memory of 2312	2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	82
PID 2640 wrote to memory of 2312	2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	82
PID 2640 wrote to memory of 2312	2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	82
PID 2640 wrote to memory of 2312	2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	82
PID 2640 wrote to memory of 2312	2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	82
PID 2640 wrote to memory of 2312	2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	82
PID 2640 wrote to memory of 2312	2640	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	82
PID 2312 wrote to memory of 4300	2312	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	83
PID 2312 wrote to memory of 4300	2312	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	83
PID 2312 wrote to memory of 4300	2312	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	83
PID 4300 wrote to memory of 4312	4300	cmd.exe	86
PID 4300 wrote to memory of 4312	4300	cmd.exe	86
PID 4300 wrote to memory of 4312	4300	cmd.exe	86
PID 2312 wrote to memory of 1488	2312	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	87
PID 2312 wrote to memory of 1488	2312	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	87
PID 2312 wrote to memory of 1488	2312	1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe	87
PID 1488 wrote to memory of 4128	1488	csrsll.exe	93
PID 1488 wrote to memory of 4128	1488	csrsll.exe	93
PID 1488 wrote to memory of 4128	1488	csrsll.exe	93
PID 1488 wrote to memory of 4128	1488	csrsll.exe	93
PID 1488 wrote to memory of 4128	1488	csrsll.exe	93
PID 1488 wrote to memory of 4128	1488	csrsll.exe	93
PID 1488 wrote to memory of 4128	1488	csrsll.exe	93
PID 1488 wrote to memory of 4128	1488	csrsll.exe	93
PID 1488 wrote to memory of 3992	1488	csrsll.exe	94
PID 1488 wrote to memory of 3992	1488	csrsll.exe	94
PID 1488 wrote to memory of 3992	1488	csrsll.exe	94
PID 1488 wrote to memory of 3992	1488	csrsll.exe	94
PID 1488 wrote to memory of 3992	1488	csrsll.exe	94
PID 1488 wrote to memory of 3992	1488	csrsll.exe	94
PID 1488 wrote to memory of 3992	1488	csrsll.exe	94
PID 1488 wrote to memory of 3992	1488	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe
"C:\Users\Admin\AppData\Local\Temp\1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe
  "C:\Users\Admin\AppData\Local\Temp\1ee9a626f9495fe48f111d8e67a3882a76f35f7089d35e790321337ffa58c31d.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IQFGY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4300
  - - 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:4312
- - 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:1488
  - - 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:4128
  - - 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:3992

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\IQFGY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0c82f68fcaf8034e0ee06a640ab3d6ef

SHA1
10a80b038b5267f8499fc4f3bea661a5f5ad47da

SHA256
8557bf9bc429bb04de1838a8e78c441f83ba25c7f2c36bd32a2bafaa1396aafd

SHA512
2d74a79f61eb6c2bc09db140e16927f43762fb3a79b7f86b0a7e63a59f0d02a043533f623f41daa3520945d75b91e3229694c518b83bec9bcd35298b6d57b0eb

Download Submit
memory/1488-51-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2312-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2312-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2312-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2312-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2312-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2640-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2640-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/2640-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2640-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2640-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2640-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/3992-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3992-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3992-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3992-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3992-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3992-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4128-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads