modiloader | 2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7

Analysis

max time kernel
119s
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
22-12-2024 14:07

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General

Target

2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
Size

90KB
MD5

db7f49389b1918a72d158e71ae6bfa94
SHA1

b789b3cb91608682705beedd56cb4a202dcbdcbf
SHA256

2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7
SHA512

b0b61993fce2bad26d8f3acf82be6957c34d4d08470a2aeec8ae2314d5128789bdc8b75d8b01721dca1d9e7fab96ddd76ae5b23c67650837bf12649ab8f40024
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD8:0wjZQJvzZsgsW6/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/2764-60-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2764-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2764-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2764-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe

Executes dropped EXE 3 IoCs

pid	Process
2376	csrsll.exe
1644	csrsll.exe
2764	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-1-5-21-3350944739-639801879-157714471-1000\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 4888 set thread context of 4136	4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	83
PID 2376 set thread context of 1644	2376	csrsll.exe	97
PID 2376 set thread context of 2764	2376	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4888-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4888-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4136-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4136-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4136-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4888-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c6d-29.dat	upx
behavioral2/memory/4136-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2376-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2376-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2764-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2376-53-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2764-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2764-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2764-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2764-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4136-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1644-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2764-62-0x0000000000400000-0x0000000000414000-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	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
4136	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
2376	csrsll.exe
1644	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 4136	4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	83
PID 4888 wrote to memory of 4136	4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	83
PID 4888 wrote to memory of 4136	4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	83
PID 4888 wrote to memory of 4136	4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	83
PID 4888 wrote to memory of 4136	4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	83
PID 4888 wrote to memory of 4136	4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	83
PID 4888 wrote to memory of 4136	4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	83
PID 4888 wrote to memory of 4136	4888	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	83
PID 4136 wrote to memory of 1776	4136	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	84
PID 4136 wrote to memory of 1776	4136	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	84
PID 4136 wrote to memory of 1776	4136	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	84
PID 1776 wrote to memory of 4592	1776	cmd.exe	88
PID 1776 wrote to memory of 4592	1776	cmd.exe	88
PID 1776 wrote to memory of 4592	1776	cmd.exe	88
PID 4136 wrote to memory of 2376	4136	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	89
PID 4136 wrote to memory of 2376	4136	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	89
PID 4136 wrote to memory of 2376	4136	2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe	89
PID 2376 wrote to memory of 1644	2376	csrsll.exe	97
PID 2376 wrote to memory of 1644	2376	csrsll.exe	97
PID 2376 wrote to memory of 1644	2376	csrsll.exe	97
PID 2376 wrote to memory of 1644	2376	csrsll.exe	97
PID 2376 wrote to memory of 1644	2376	csrsll.exe	97
PID 2376 wrote to memory of 1644	2376	csrsll.exe	97
PID 2376 wrote to memory of 1644	2376	csrsll.exe	97
PID 2376 wrote to memory of 1644	2376	csrsll.exe	97
PID 2376 wrote to memory of 2764	2376	csrsll.exe	98
PID 2376 wrote to memory of 2764	2376	csrsll.exe	98
PID 2376 wrote to memory of 2764	2376	csrsll.exe	98
PID 2376 wrote to memory of 2764	2376	csrsll.exe	98
PID 2376 wrote to memory of 2764	2376	csrsll.exe	98
PID 2376 wrote to memory of 2764	2376	csrsll.exe	98
PID 2376 wrote to memory of 2764	2376	csrsll.exe	98
PID 2376 wrote to memory of 2764	2376	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
"C:\Users\Admin\AppData\Local\Temp\2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4888
- C:\Users\Admin\AppData\Local\Temp\2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe
  "C:\Users\Admin\AppData\Local\Temp\2e987fa21c5d5d5b6d7a8e95b327910edfff3bd60adc134ee4eb706c37802dd7.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4136
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UKLIR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1776
  - - 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:4592
- - 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:2376
  - - 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:1644
  - - 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:2764

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\UKLIR.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8dd6aa34d29afeebd73ac8d5901f1b15

SHA1
70794bddfbbc5c3b9d838c0b13fa998f62258b97

SHA256
ad4827dc8fad7b87938f34001854e38c1089dc68b019f0af567d754260c1185b

SHA512
a5fc0134599c823dee7816d4d25a44365e01ca4c5347bef22995922e43a111f6e45cb2743eebca869a60603afa43c753899437cce3d04cbe4123ca57d6b80e5b

Download Submit
memory/1644-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2376-53-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2376-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2376-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2764-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4136-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4136-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4136-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4136-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4136-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4888-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4888-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4888-4-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/4888-6-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4888-3-0x0000000002B40000-0x0000000002B42000-memory.dmp

Filesize
8KB

Download
memory/4888-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads