modiloader | 0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/12/2024, 19:37

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General

Target

0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe
Size

90KB
MD5

40f11a1755f8b4d724bcf12d525a07ab
SHA1

0e121bbef04214256598fdbe88a10f72755c126b
SHA256

0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305
SHA512

1941b28c35c930fb03a17b03377d1fbec01337e572d57fcf8b852f1095199a9d78d01e9a57415df4dfda8fbb0c8656210317d2912f500598e6c7fab6d172ecc7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDY:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3K

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/5088-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5088-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5088-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5088-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe

Executes dropped EXE 3 IoCs

pid	Process
3120	csrsll.exe
4676	csrsll.exe
5088	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-1-5-21-2045521122-590294423-3465680274-1000\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 1320 set thread context of 548	1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	84
PID 3120 set thread context of 4676	3120	csrsll.exe	102
PID 3120 set thread context of 5088	3120	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1320-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1320-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/548-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1320-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/548-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/548-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023bba-30.dat	upx
behavioral2/memory/548-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3120-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3120-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5088-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5088-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5088-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5088-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5088-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3120-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/548-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4676-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5088-62-0x0000000000400000-0x0000000000414000-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	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.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	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe
Token: SeDebugPrivilege	4676	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe
548	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe
3120	csrsll.exe
4676	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 548	1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	84
PID 1320 wrote to memory of 548	1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	84
PID 1320 wrote to memory of 548	1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	84
PID 1320 wrote to memory of 548	1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	84
PID 1320 wrote to memory of 548	1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	84
PID 1320 wrote to memory of 548	1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	84
PID 1320 wrote to memory of 548	1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	84
PID 1320 wrote to memory of 548	1320	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	84
PID 548 wrote to memory of 3160	548	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	91
PID 548 wrote to memory of 3160	548	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	91
PID 548 wrote to memory of 3160	548	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	91
PID 3160 wrote to memory of 4392	3160	cmd.exe	95
PID 3160 wrote to memory of 4392	3160	cmd.exe	95
PID 3160 wrote to memory of 4392	3160	cmd.exe	95
PID 548 wrote to memory of 3120	548	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	96
PID 548 wrote to memory of 3120	548	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	96
PID 548 wrote to memory of 3120	548	0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe	96
PID 3120 wrote to memory of 4676	3120	csrsll.exe	102
PID 3120 wrote to memory of 4676	3120	csrsll.exe	102
PID 3120 wrote to memory of 4676	3120	csrsll.exe	102
PID 3120 wrote to memory of 4676	3120	csrsll.exe	102
PID 3120 wrote to memory of 4676	3120	csrsll.exe	102
PID 3120 wrote to memory of 4676	3120	csrsll.exe	102
PID 3120 wrote to memory of 4676	3120	csrsll.exe	102
PID 3120 wrote to memory of 4676	3120	csrsll.exe	102
PID 3120 wrote to memory of 5088	3120	csrsll.exe	103
PID 3120 wrote to memory of 5088	3120	csrsll.exe	103
PID 3120 wrote to memory of 5088	3120	csrsll.exe	103
PID 3120 wrote to memory of 5088	3120	csrsll.exe	103
PID 3120 wrote to memory of 5088	3120	csrsll.exe	103
PID 3120 wrote to memory of 5088	3120	csrsll.exe	103
PID 3120 wrote to memory of 5088	3120	csrsll.exe	103
PID 3120 wrote to memory of 5088	3120	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe
"C:\Users\Admin\AppData\Local\Temp\0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Users\Admin\AppData\Local\Temp\0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe
  "C:\Users\Admin\AppData\Local\Temp\0dd219091e1de8f3b7e8d92cd1bb932266bdcb06574ec7db3e1a205d8c8b6305.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:548
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MYUAS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3160
  - - 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:4392
- - 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:3120
  - - 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:4676
  - - 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:5088

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\MYUAS.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1bd13c625e41c124179c7136e6fd3d0f

SHA1
433917743dd9a66a7691b237bce6611923a9d36f

SHA256
384ead87c0120ae39c5a4d94873fdd8fbe1cc136ec20c20d668b13650db4b5ac

SHA512
b0a00f20f7f8aa410c3aea0e6060c82c0473afc0f5e43fb79c203797374a499288ea56d3f42d741274083ba216f66822b87894b95af86a624ad04ca610c9e1c9

Download Submit
memory/548-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/548-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/548-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/548-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/548-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1320-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1320-6-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1320-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1320-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1320-5-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1320-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/3120-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3120-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3120-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4676-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5088-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads