modiloader | 00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297

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
18-12-2024 04:48

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General

Target

00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe
Size

326KB
MD5

9520bfb252e746abe8a654081e0a61e7
SHA1

2d5e66028cadaa072c13e9b2e98e86f6f7938b52
SHA256

00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297
SHA512

81423738afff98f76a8670fc2a1a3754cecbae7d07c8b71ad3437ae41582f663f60282a11d5ecfe9cc6947b21064db27c9d92337857f7fd502d4c90786a0497c
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVt:csxD5cwohO+O1sVG0/pZ6iPC8s

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/4004-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4004-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4004-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4004-59-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe

Executes dropped EXE 3 IoCs

pid	Process
2868	csrsll.exe
1600	csrsll.exe
4004	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-1-5-21-493223053-2004649691-1575712786-1000\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 3876 set thread context of 4216	3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	83
PID 2868 set thread context of 1600	2868	csrsll.exe	97
PID 2868 set thread context of 4004	2868	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3876-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3876-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4216-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4216-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4216-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3876-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x000b000000023b7b-28.dat	upx
behavioral2/memory/4216-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2868-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2868-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4004-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4004-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4216-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4004-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2868-54-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4004-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4004-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1600-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4004-59-0x0000000000400000-0x0000000000414000-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	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe
4216	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe
2868	csrsll.exe
1600	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 4216	3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	83
PID 3876 wrote to memory of 4216	3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	83
PID 3876 wrote to memory of 4216	3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	83
PID 3876 wrote to memory of 4216	3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	83
PID 3876 wrote to memory of 4216	3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	83
PID 3876 wrote to memory of 4216	3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	83
PID 3876 wrote to memory of 4216	3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	83
PID 3876 wrote to memory of 4216	3876	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	83
PID 4216 wrote to memory of 4252	4216	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	84
PID 4216 wrote to memory of 4252	4216	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	84
PID 4216 wrote to memory of 4252	4216	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	84
PID 4252 wrote to memory of 2144	4252	cmd.exe	88
PID 4252 wrote to memory of 2144	4252	cmd.exe	88
PID 4252 wrote to memory of 2144	4252	cmd.exe	88
PID 4216 wrote to memory of 2868	4216	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	89
PID 4216 wrote to memory of 2868	4216	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	89
PID 4216 wrote to memory of 2868	4216	00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe	89
PID 2868 wrote to memory of 1600	2868	csrsll.exe	97
PID 2868 wrote to memory of 1600	2868	csrsll.exe	97
PID 2868 wrote to memory of 1600	2868	csrsll.exe	97
PID 2868 wrote to memory of 1600	2868	csrsll.exe	97
PID 2868 wrote to memory of 1600	2868	csrsll.exe	97
PID 2868 wrote to memory of 1600	2868	csrsll.exe	97
PID 2868 wrote to memory of 1600	2868	csrsll.exe	97
PID 2868 wrote to memory of 1600	2868	csrsll.exe	97
PID 2868 wrote to memory of 4004	2868	csrsll.exe	98
PID 2868 wrote to memory of 4004	2868	csrsll.exe	98
PID 2868 wrote to memory of 4004	2868	csrsll.exe	98
PID 2868 wrote to memory of 4004	2868	csrsll.exe	98
PID 2868 wrote to memory of 4004	2868	csrsll.exe	98
PID 2868 wrote to memory of 4004	2868	csrsll.exe	98
PID 2868 wrote to memory of 4004	2868	csrsll.exe	98
PID 2868 wrote to memory of 4004	2868	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe
"C:\Users\Admin\AppData\Local\Temp\00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Users\Admin\AppData\Local\Temp\00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe
  "C:\Users\Admin\AppData\Local\Temp\00ad0eec63da50485057833cf9c7b45b0d51ab8372d8b4be7f08845d702a8297.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UCQPB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4252
  - - 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:2144
- - 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:2868
  - - 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:1600
  - - 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:4004

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\UCQPB.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
98c5513f6f545394be341f1a8293787e

SHA1
4b013ce4ab33abb7cbb23524fcf13dbe418f7349

SHA256
2b150d9cc405bd7647d9ea2b51f683bc2bbb53e1a24f4b122e04c955a744cde8

SHA512
f92cd22750cd099401e36f6de3e7731e2322de48f33472b113412886c1f5dd31b3c6b15863adf5d1cc006f396632b9930ca858449f18e0ea7f6bc23a2b6098eb

Download Submit
memory/1600-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2868-54-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2868-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3876-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/3876-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3876-5-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/3876-6-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/3876-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3876-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4004-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4004-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4004-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4004-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4004-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4004-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4216-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4216-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4216-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4216-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4216-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads