modiloader | 698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9

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
30-12-2024 21:49

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General

Target

698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe
Size

90KB
MD5

19e6abdcf16e69b51829d81b0156863d
SHA1

b8bc49cb3fcc73f320a984111f58d37fc5918632
SHA256

698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9
SHA512

07fd63b08d675b7d204d436d25027a45b9e03325fdb0fe231c7d3e6d35e321996374728dde2a16e5e73df70944808bee17274de145ec50d97047c49ab7bba1ec
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDt:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3P

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/3856-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3856-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3856-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3856-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe

Executes dropped EXE 3 IoCs

pid	Process
3412	csrsll.exe
3220	csrsll.exe
3856	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-1-5-21-2437139445-1151884604-3026847218-1000\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 1076 set thread context of 3760	1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	83
PID 3412 set thread context of 3220	3412	csrsll.exe	90
PID 3412 set thread context of 3856	3412	csrsll.exe	91

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1076-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1076-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3760-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3760-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1076-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3760-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023c8c-30.dat	upx
behavioral2/memory/3760-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3412-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3412-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3856-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3856-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3856-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3856-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3856-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3412-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3760-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3220-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3856-62-0x0000000000400000-0x0000000000414000-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	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	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe
Token: SeDebugPrivilege	3220	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe
3760	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe
3412	csrsll.exe
3220	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 3760	1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	83
PID 1076 wrote to memory of 3760	1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	83
PID 1076 wrote to memory of 3760	1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	83
PID 1076 wrote to memory of 3760	1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	83
PID 1076 wrote to memory of 3760	1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	83
PID 1076 wrote to memory of 3760	1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	83
PID 1076 wrote to memory of 3760	1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	83
PID 1076 wrote to memory of 3760	1076	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	83
PID 3760 wrote to memory of 3688	3760	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	84
PID 3760 wrote to memory of 3688	3760	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	84
PID 3760 wrote to memory of 3688	3760	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	84
PID 3688 wrote to memory of 4120	3688	cmd.exe	88
PID 3688 wrote to memory of 4120	3688	cmd.exe	88
PID 3688 wrote to memory of 4120	3688	cmd.exe	88
PID 3760 wrote to memory of 3412	3760	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	89
PID 3760 wrote to memory of 3412	3760	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	89
PID 3760 wrote to memory of 3412	3760	698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe	89
PID 3412 wrote to memory of 3220	3412	csrsll.exe	90
PID 3412 wrote to memory of 3220	3412	csrsll.exe	90
PID 3412 wrote to memory of 3220	3412	csrsll.exe	90
PID 3412 wrote to memory of 3220	3412	csrsll.exe	90
PID 3412 wrote to memory of 3220	3412	csrsll.exe	90
PID 3412 wrote to memory of 3220	3412	csrsll.exe	90
PID 3412 wrote to memory of 3220	3412	csrsll.exe	90
PID 3412 wrote to memory of 3220	3412	csrsll.exe	90
PID 3412 wrote to memory of 3856	3412	csrsll.exe	91
PID 3412 wrote to memory of 3856	3412	csrsll.exe	91
PID 3412 wrote to memory of 3856	3412	csrsll.exe	91
PID 3412 wrote to memory of 3856	3412	csrsll.exe	91
PID 3412 wrote to memory of 3856	3412	csrsll.exe	91
PID 3412 wrote to memory of 3856	3412	csrsll.exe	91
PID 3412 wrote to memory of 3856	3412	csrsll.exe	91
PID 3412 wrote to memory of 3856	3412	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe
"C:\Users\Admin\AppData\Local\Temp\698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe
  "C:\Users\Admin\AppData\Local\Temp\698cf822502d465db8724b22a25eb5d95a1b88d8221f8a2f73ce487a682d7cf9.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3760
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FQVRF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3688
  - - 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:4120
- - 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:3412
  - - 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:3220
  - - 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:3856

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\FQVRF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c45978b77aa5c94b31b443b823bb3b00

SHA1
055afbbaec9e36255d3f0ce9c19cb21e63e0472c

SHA256
4725a7b119a31531d9be5fdc558ee2f4aa86b0687b2d282e77d2961bf359e658

SHA512
f8ec8d9f2d4934dea54767a9a96c3be879c81fa0d04457ff89114b313fe62aa6e5e7af0a411f34c29c60fe17d92b0e444358aad99a722c4a1fcaa0e8f5e37060

Download Submit
memory/1076-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1076-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1076-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/1076-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1076-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1076-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3220-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3412-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3412-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3412-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3760-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3760-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3760-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3760-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3760-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3856-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3856-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3856-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3856-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3856-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3856-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads