modiloader | 453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138a

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 12:58

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General

Target

453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe
Size

90KB
MD5

3ad8e47d5e2220fe0e3af736220825b0
SHA1

36939af90e329d24780ef99b46b950220d9e5f07
SHA256

453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138a
SHA512

fc40bef3cdd1382ab09d430c1e425fae6506657e65c2a31e10a348a4eea6d320ba62cc65db9d2dab820ef5d21f7b52830d1ce5e6f15d51b77078da21826b60d9
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/3424-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3424-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3424-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3424-63-0x0000000000400000-0x0000000000414000-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe

Executes dropped EXE 3 IoCs

pid	Process
1196	csrsll.exe
4436	csrsll.exe
3424	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-1-5-21-523280732-2327480845-3730041215-1000\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 3948	3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	82
PID 1196 set thread context of 4436	1196	csrsll.exe	95
PID 1196 set thread context of 3424	1196	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3876-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3876-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3948-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3948-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3876-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3948-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023452-29.dat	upx
behavioral2/memory/1196-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3948-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1196-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1196-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3424-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3424-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3424-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3424-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1196-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3424-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3948-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4436-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3424-63-0x0000000000400000-0x0000000000414000-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	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.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	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe
Token: SeDebugPrivilege	4436	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe
3948	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe
1196	csrsll.exe
4436	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 3948	3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	82
PID 3876 wrote to memory of 3948	3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	82
PID 3876 wrote to memory of 3948	3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	82
PID 3876 wrote to memory of 3948	3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	82
PID 3876 wrote to memory of 3948	3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	82
PID 3876 wrote to memory of 3948	3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	82
PID 3876 wrote to memory of 3948	3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	82
PID 3876 wrote to memory of 3948	3876	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	82
PID 3948 wrote to memory of 3012	3948	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	85
PID 3948 wrote to memory of 3012	3948	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	85
PID 3948 wrote to memory of 3012	3948	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	85
PID 3012 wrote to memory of 3388	3012	cmd.exe	88
PID 3012 wrote to memory of 3388	3012	cmd.exe	88
PID 3012 wrote to memory of 3388	3012	cmd.exe	88
PID 3948 wrote to memory of 1196	3948	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	89
PID 3948 wrote to memory of 1196	3948	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	89
PID 3948 wrote to memory of 1196	3948	453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe	89
PID 1196 wrote to memory of 4436	1196	csrsll.exe	95
PID 1196 wrote to memory of 4436	1196	csrsll.exe	95
PID 1196 wrote to memory of 4436	1196	csrsll.exe	95
PID 1196 wrote to memory of 4436	1196	csrsll.exe	95
PID 1196 wrote to memory of 4436	1196	csrsll.exe	95
PID 1196 wrote to memory of 4436	1196	csrsll.exe	95
PID 1196 wrote to memory of 4436	1196	csrsll.exe	95
PID 1196 wrote to memory of 4436	1196	csrsll.exe	95
PID 1196 wrote to memory of 3424	1196	csrsll.exe	96
PID 1196 wrote to memory of 3424	1196	csrsll.exe	96
PID 1196 wrote to memory of 3424	1196	csrsll.exe	96
PID 1196 wrote to memory of 3424	1196	csrsll.exe	96
PID 1196 wrote to memory of 3424	1196	csrsll.exe	96
PID 1196 wrote to memory of 3424	1196	csrsll.exe	96
PID 1196 wrote to memory of 3424	1196	csrsll.exe	96
PID 1196 wrote to memory of 3424	1196	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe
"C:\Users\Admin\AppData\Local\Temp\453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.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\453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe
  "C:\Users\Admin\AppData\Local\Temp\453052173c775ae1fe74ef4ece976603a96904ebbac830cd48ead67effac138aN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3948
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\APXPC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3012
  - - 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:3388
- - 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:1196
  - - 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:4436
  - - 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:3424

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\APXPC.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
370c935c05fdf5798c355075b3c6e4b2

SHA1
3d4875897086dc0fabb2d7833a2d547d6647964f

SHA256
854af0feb3f58a564365bca190cebb7d6abb51c3a26b90b1cbe70d0ed8168f3d

SHA512
47180e7ae64b70a4c1d04a842ebe4513b5217bcba05d4c38820b387752fcea2d0d7902a937d774b1f5d1b013ebf1a206447ffe80a62496674538f2c1691e2862

Download Submit
memory/1196-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1196-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1196-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1196-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3424-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3424-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3424-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3424-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3424-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3424-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3876-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3876-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3876-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3876-6-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/3876-4-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/3876-3-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/3948-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3948-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3948-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3948-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3948-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4436-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads