modiloader | 7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4

Analysis

max time kernel
119s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2024, 20:44

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General

Target

7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe
Size

90KB
MD5

7af329c5d946310450539e6f22f0eaee
SHA1

e156efa0efe47f4b93d20de70471cb48d9b125b4
SHA256

7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4
SHA512

7d52d954fefcd0d7b21fc8987fe11c0acb73cbd2eea8765762077266969df8e26b25630b2171de9ba695c7559ac121c9aa0d40c0daa0435f9a5fa74f28fc7d2e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDR: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/3084-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3084-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3084-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3084-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe

Executes dropped EXE 3 IoCs

pid	Process
4468	csrsll.exe
1480	csrsll.exe
3084	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-1-5-21-3442511616-637977696-3186306149-1000\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 4832 set thread context of 4244	4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	87
PID 4468 set thread context of 1480	4468	csrsll.exe	95
PID 4468 set thread context of 3084	4468	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4832-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4832-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4244-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4244-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4832-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4244-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b99-29.dat	upx
behavioral2/memory/4244-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4468-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4468-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3084-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3084-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4468-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3084-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4244-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1480-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3084-61-0x0000000000400000-0x0000000000414000-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	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.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	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe
Token: SeDebugPrivilege	1480	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe
4244	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe
4468	csrsll.exe
1480	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 4244	4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	87
PID 4832 wrote to memory of 4244	4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	87
PID 4832 wrote to memory of 4244	4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	87
PID 4832 wrote to memory of 4244	4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	87
PID 4832 wrote to memory of 4244	4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	87
PID 4832 wrote to memory of 4244	4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	87
PID 4832 wrote to memory of 4244	4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	87
PID 4832 wrote to memory of 4244	4832	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	87
PID 4244 wrote to memory of 4676	4244	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	88
PID 4244 wrote to memory of 4676	4244	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	88
PID 4244 wrote to memory of 4676	4244	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	88
PID 4676 wrote to memory of 2760	4676	cmd.exe	93
PID 4676 wrote to memory of 2760	4676	cmd.exe	93
PID 4676 wrote to memory of 2760	4676	cmd.exe	93
PID 4244 wrote to memory of 4468	4244	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	94
PID 4244 wrote to memory of 4468	4244	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	94
PID 4244 wrote to memory of 4468	4244	7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe	94
PID 4468 wrote to memory of 1480	4468	csrsll.exe	95
PID 4468 wrote to memory of 1480	4468	csrsll.exe	95
PID 4468 wrote to memory of 1480	4468	csrsll.exe	95
PID 4468 wrote to memory of 1480	4468	csrsll.exe	95
PID 4468 wrote to memory of 1480	4468	csrsll.exe	95
PID 4468 wrote to memory of 1480	4468	csrsll.exe	95
PID 4468 wrote to memory of 1480	4468	csrsll.exe	95
PID 4468 wrote to memory of 1480	4468	csrsll.exe	95
PID 4468 wrote to memory of 3084	4468	csrsll.exe	96
PID 4468 wrote to memory of 3084	4468	csrsll.exe	96
PID 4468 wrote to memory of 3084	4468	csrsll.exe	96
PID 4468 wrote to memory of 3084	4468	csrsll.exe	96
PID 4468 wrote to memory of 3084	4468	csrsll.exe	96
PID 4468 wrote to memory of 3084	4468	csrsll.exe	96
PID 4468 wrote to memory of 3084	4468	csrsll.exe	96
PID 4468 wrote to memory of 3084	4468	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe
"C:\Users\Admin\AppData\Local\Temp\7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Users\Admin\AppData\Local\Temp\7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe
  "C:\Users\Admin\AppData\Local\Temp\7dca3c22fc1098c8dac5b6ce9604b2ea412b2bc94cee4730dbc214fa561739b4.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LULAV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4676
  - - 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:2760
- - 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:4468
  - - 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:1480
  - - 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:3084

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\LULAV.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d4f1b00956b00e574c95081a1da9276a

SHA1
433635c14b8603e5a3ae351c6691823fc492fdd8

SHA256
78a5a58b2229a11da7bbdd07739e57f28906a6fe67652af8925ae227948135a8

SHA512
59515506c72f14190b7447a24ea8c55c0e8a398c0206c3afb9d7eaeb83ef4dafcd9b53115c937e72ad10eeddd6b19c988e6d9f5c825a1900a9ffd3d39fb77de2

Download Submit
memory/1480-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3084-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3084-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3084-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3084-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3084-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4244-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4244-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4244-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4244-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4244-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4244-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4468-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4468-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4468-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4832-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4832-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4832-5-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4832-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4832-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4832-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads