modiloader | 5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 23:16

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General

Target

5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe
Size

326KB
MD5

098973240dc9e93da9f9f61be3568da0
SHA1

a91904c3e8d4d86bbfaaa718c8c2a318073e7b41
SHA256

5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60
SHA512

01019a433584ae032551604fb5f20a76f9180950d7cffa9652129b123bad47cd19b645953dfdf3986d9b94a8c4b3afd02a4243535c72ece7183a36fa16bcce29
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

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/2200-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2200-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2200-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2200-61-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe

Executes dropped EXE 3 IoCs

pid	Process
1424	csrsll.exe
3720	csrsll.exe
2200	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-1-5-21-940901362-3608833189-1915618603-1000\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 980 set thread context of 4412	980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	92
PID 1424 set thread context of 3720	1424	csrsll.exe	103
PID 1424 set thread context of 2200	1424	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/980-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/980-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4412-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4412-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4412-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/980-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x0009000000023c87-28.dat	upx
behavioral2/memory/1424-35-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4412-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1424-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1424-41-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2200-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2200-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2200-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2200-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2200-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1424-55-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4412-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3720-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2200-61-0x0000000000400000-0x0000000000414000-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	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.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	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe
Token: SeDebugPrivilege	3720	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe
4412	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe
1424	csrsll.exe
3720	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 4412	980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	92
PID 980 wrote to memory of 4412	980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	92
PID 980 wrote to memory of 4412	980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	92
PID 980 wrote to memory of 4412	980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	92
PID 980 wrote to memory of 4412	980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	92
PID 980 wrote to memory of 4412	980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	92
PID 980 wrote to memory of 4412	980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	92
PID 980 wrote to memory of 4412	980	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	92
PID 4412 wrote to memory of 1912	4412	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	97
PID 4412 wrote to memory of 1912	4412	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	97
PID 4412 wrote to memory of 1912	4412	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	97
PID 1912 wrote to memory of 3024	1912	cmd.exe	101
PID 1912 wrote to memory of 3024	1912	cmd.exe	101
PID 1912 wrote to memory of 3024	1912	cmd.exe	101
PID 4412 wrote to memory of 1424	4412	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	102
PID 4412 wrote to memory of 1424	4412	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	102
PID 4412 wrote to memory of 1424	4412	5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe	102
PID 1424 wrote to memory of 3720	1424	csrsll.exe	103
PID 1424 wrote to memory of 3720	1424	csrsll.exe	103
PID 1424 wrote to memory of 3720	1424	csrsll.exe	103
PID 1424 wrote to memory of 3720	1424	csrsll.exe	103
PID 1424 wrote to memory of 3720	1424	csrsll.exe	103
PID 1424 wrote to memory of 3720	1424	csrsll.exe	103
PID 1424 wrote to memory of 3720	1424	csrsll.exe	103
PID 1424 wrote to memory of 3720	1424	csrsll.exe	103
PID 1424 wrote to memory of 2200	1424	csrsll.exe	104
PID 1424 wrote to memory of 2200	1424	csrsll.exe	104
PID 1424 wrote to memory of 2200	1424	csrsll.exe	104
PID 1424 wrote to memory of 2200	1424	csrsll.exe	104
PID 1424 wrote to memory of 2200	1424	csrsll.exe	104
PID 1424 wrote to memory of 2200	1424	csrsll.exe	104
PID 1424 wrote to memory of 2200	1424	csrsll.exe	104
PID 1424 wrote to memory of 2200	1424	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe
"C:\Users\Admin\AppData\Local\Temp\5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:980
- C:\Users\Admin\AppData\Local\Temp\5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe
  "C:\Users\Admin\AppData\Local\Temp\5d630f0a6c3879f90519e84d74881beb0e9eee6b7dbe32a363603bc0fce44c60N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4412
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XWSTG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1912
  - - 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:3024
- - 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:1424
  - - 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:3720
  - - 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:2200

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\XWSTG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
96d139be8729dafe8744ece28c071ec3

SHA1
49eaffffeb0cc2b294749b9ba166cc2759284f9e

SHA256
a57abd09c63598f13533db3cb00ab112c6b6650cfdde680c81f0261499eb5ecc

SHA512
88011308cd0cee0fdf6a728419942c60c45d8578c624715d6b06b3a47787c1fce34595aaa058e165241740a94a45d482e098b0a50b8a0c4ec6bcdd5b1640d108

Download Submit
memory/980-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/980-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/980-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/980-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/980-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/980-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1424-55-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1424-41-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1424-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1424-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2200-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2200-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2200-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2200-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2200-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2200-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3720-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4412-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads