modiloader | f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319

Analysis

max time kernel
119s
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
26/11/2024, 13:56

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General

Target

f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe
Size

90KB
MD5

d299a95ae4fb0ed74a92e5cc4c8cf430
SHA1

4dd55a70eff7cc7fea80fe4612a6fb809a22191d
SHA256

f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319
SHA512

e56e3b9f1078b7e5f8801db6c752c347a4305b1bb974fb87453bcd7f57cbacdd26f3e575fb313ccfaff1788ffbc9d7590661ab7e880b5a45159fde413c79658b
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 family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/4716-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4716-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4716-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4716-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe

Executes dropped EXE 3 IoCs

pid	Process
2288	csrsll.exe
1152	csrsll.exe
4716	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-1-5-21-3350944739-639801879-157714471-1000\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 716 set thread context of 3232	716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	85
PID 2288 set thread context of 1152	2288	csrsll.exe	102
PID 2288 set thread context of 4716	2288	csrsll.exe	103

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/716-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/716-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3232-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3232-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3232-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/716-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b92-28.dat	upx
behavioral2/memory/2288-35-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3232-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2288-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2288-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4716-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4716-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4716-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4716-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2288-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3232-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4716-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1152-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4716-62-0x0000000000400000-0x0000000000414000-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	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	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe
Token: SeDebugPrivilege	1152	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe
3232	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe
2288	csrsll.exe
1152	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 716 wrote to memory of 3232	716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	85
PID 716 wrote to memory of 3232	716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	85
PID 716 wrote to memory of 3232	716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	85
PID 716 wrote to memory of 3232	716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	85
PID 716 wrote to memory of 3232	716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	85
PID 716 wrote to memory of 3232	716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	85
PID 716 wrote to memory of 3232	716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	85
PID 716 wrote to memory of 3232	716	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	85
PID 3232 wrote to memory of 4348	3232	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	91
PID 3232 wrote to memory of 4348	3232	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	91
PID 3232 wrote to memory of 4348	3232	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	91
PID 4348 wrote to memory of 4788	4348	cmd.exe	95
PID 4348 wrote to memory of 4788	4348	cmd.exe	95
PID 4348 wrote to memory of 4788	4348	cmd.exe	95
PID 3232 wrote to memory of 2288	3232	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	96
PID 3232 wrote to memory of 2288	3232	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	96
PID 3232 wrote to memory of 2288	3232	f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe	96
PID 2288 wrote to memory of 1152	2288	csrsll.exe	102
PID 2288 wrote to memory of 1152	2288	csrsll.exe	102
PID 2288 wrote to memory of 1152	2288	csrsll.exe	102
PID 2288 wrote to memory of 1152	2288	csrsll.exe	102
PID 2288 wrote to memory of 1152	2288	csrsll.exe	102
PID 2288 wrote to memory of 1152	2288	csrsll.exe	102
PID 2288 wrote to memory of 1152	2288	csrsll.exe	102
PID 2288 wrote to memory of 1152	2288	csrsll.exe	102
PID 2288 wrote to memory of 4716	2288	csrsll.exe	103
PID 2288 wrote to memory of 4716	2288	csrsll.exe	103
PID 2288 wrote to memory of 4716	2288	csrsll.exe	103
PID 2288 wrote to memory of 4716	2288	csrsll.exe	103
PID 2288 wrote to memory of 4716	2288	csrsll.exe	103
PID 2288 wrote to memory of 4716	2288	csrsll.exe	103
PID 2288 wrote to memory of 4716	2288	csrsll.exe	103
PID 2288 wrote to memory of 4716	2288	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe
"C:\Users\Admin\AppData\Local\Temp\f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:716
- C:\Users\Admin\AppData\Local\Temp\f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe
  "C:\Users\Admin\AppData\Local\Temp\f3563de2e4685042d6ad9e4d3d9f2dd28d6613cb0d05322288711c42107d8319N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3232
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EKXWJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4348
  - - 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:4788
- - 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:2288
  - - 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:1152
  - - 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:4716

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\EKXWJ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
98595c3032c403cebba3ed4108adc83f

SHA1
94d36eeea9e67c98f45a5216ee1a6b9bd74d7a8b

SHA256
3aec486b046360cb60809b0b85eba74b9bf2248f1e162efb831d8862fee7f37b

SHA512
99792301862877f6574dcf41257cbe74abf0efc880fede7d48c26389f6363c4feba5789a7f406bb52711bb70d09edf33be85f131616df72be098c7ddfc3a9a10

Download Submit
memory/716-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/716-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/716-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/716-4-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/716-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/716-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1152-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2288-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2288-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2288-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2288-35-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3232-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3232-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3232-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3232-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3232-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3232-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4716-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4716-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4716-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4716-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4716-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4716-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads