modiloader | 513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afe

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/11/2024, 05:43

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General

Target

513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe
Size

90KB
MD5

72629d6c6b4edca0a6dde061f83d99d0
SHA1

6771f86ae01d1b06a457ba828bbe2c12a3e2d802
SHA256

513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afe
SHA512

bf00e08cfe8bfb67ac635a14e9164ed2570f60d854f3126c42cbe3e0dab99c5972995874b7192110c3ceb70bed732d520e7799ac940b6d22c662b9f146c90809
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/3324-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3324-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3324-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3324-64-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe

Executes dropped EXE 3 IoCs

pid	Process
4328	csrsll.exe
2220	csrsll.exe
3324	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-1-5-21-3756129449-3121373848-4276368241-1000\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 3460 set thread context of 1628	3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	86
PID 4328 set thread context of 2220	4328	csrsll.exe	95
PID 4328 set thread context of 3324	4328	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3460-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3460-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1628-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1628-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1628-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3460-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023ca2-29.dat	upx
behavioral2/memory/4328-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1628-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4328-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4328-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3324-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3324-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3324-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3324-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4328-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3324-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1628-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2220-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3324-64-0x0000000000400000-0x0000000000414000-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	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.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	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe
Token: SeDebugPrivilege	2220	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe
1628	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe
4328	csrsll.exe
2220	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 1628	3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	86
PID 3460 wrote to memory of 1628	3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	86
PID 3460 wrote to memory of 1628	3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	86
PID 3460 wrote to memory of 1628	3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	86
PID 3460 wrote to memory of 1628	3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	86
PID 3460 wrote to memory of 1628	3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	86
PID 3460 wrote to memory of 1628	3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	86
PID 3460 wrote to memory of 1628	3460	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	86
PID 1628 wrote to memory of 1760	1628	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	87
PID 1628 wrote to memory of 1760	1628	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	87
PID 1628 wrote to memory of 1760	1628	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	87
PID 1760 wrote to memory of 1912	1760	cmd.exe	90
PID 1760 wrote to memory of 1912	1760	cmd.exe	90
PID 1760 wrote to memory of 1912	1760	cmd.exe	90
PID 1628 wrote to memory of 4328	1628	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	91
PID 1628 wrote to memory of 4328	1628	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	91
PID 1628 wrote to memory of 4328	1628	513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe	91
PID 4328 wrote to memory of 2220	4328	csrsll.exe	95
PID 4328 wrote to memory of 2220	4328	csrsll.exe	95
PID 4328 wrote to memory of 2220	4328	csrsll.exe	95
PID 4328 wrote to memory of 2220	4328	csrsll.exe	95
PID 4328 wrote to memory of 2220	4328	csrsll.exe	95
PID 4328 wrote to memory of 2220	4328	csrsll.exe	95
PID 4328 wrote to memory of 2220	4328	csrsll.exe	95
PID 4328 wrote to memory of 2220	4328	csrsll.exe	95
PID 4328 wrote to memory of 3324	4328	csrsll.exe	96
PID 4328 wrote to memory of 3324	4328	csrsll.exe	96
PID 4328 wrote to memory of 3324	4328	csrsll.exe	96
PID 4328 wrote to memory of 3324	4328	csrsll.exe	96
PID 4328 wrote to memory of 3324	4328	csrsll.exe	96
PID 4328 wrote to memory of 3324	4328	csrsll.exe	96
PID 4328 wrote to memory of 3324	4328	csrsll.exe	96
PID 4328 wrote to memory of 3324	4328	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe
"C:\Users\Admin\AppData\Local\Temp\513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe
  "C:\Users\Admin\AppData\Local\Temp\513b165233953182811832edab924f22e16fab078cf7b58f899af63cb0952afeN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EIDLW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1760
  - - 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:1912
- - 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:4328
  - - 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:2220
  - - 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:3324

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\EIDLW.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4a053b7c60b5e479fa4324264630347c

SHA1
7f45cf1d7abbef3fe15d48c12fdb1f23eb26b543

SHA256
d9748b734598bb1908965fc17a7d339c76604c7e7d2429b0b8c06dd54619c0cd

SHA512
4493d9b0397536145a6b38382eb02d16dc9ab5e09109accecdb36a4aeaad86a7191090c2dadd019510a8f211f69c0e1ea9f17fe7a8b86c87c23790b862154430

Download Submit
memory/1628-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2220-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3324-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3324-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3324-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3324-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3324-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3324-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3460-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3460-6-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/3460-3-0x00000000023F0000-0x00000000023F2000-memory.dmp

Filesize
8KB

Download
memory/3460-5-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/3460-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3460-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4328-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4328-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4328-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4328-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads