modiloader | 2383f2f7ab61c1e132199c13c6f5aa9d2009046fd6ebcde95abd36b6e63ece6c

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 23:10

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General

Target

84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
Size

326KB
MD5

b3de7e7a43ebe569027f364dd05c3048
SHA1

327e0429577f3da27cf3b89819bc71c3297f0a08
SHA256

2383f2f7ab61c1e132199c13c6f5aa9d2009046fd6ebcde95abd36b6e63ece6c
SHA512

de8a87b627e1a9e1e8f364dc077d2eac43230ac03e01f72ce3257d9d4aae1cf5b80a32657c45c7041a8b5ab6ec0dee552cdc46a90d84941f1cf01d9e3ada3fa0
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVH:csxD5cwohO+O1sVG0/pZ6iPC82

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/4820-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4820-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4820-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4820-60-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe

Executes dropped EXE 3 IoCs

pid	Process
4728	csrsll.exe
4456	csrsll.exe
4820	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-1-5-21-4050598569-1597076380-177084960-1000\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 4780 set thread context of 3152	4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	91
PID 4728 set thread context of 4456	4728	csrsll.exe	99
PID 4728 set thread context of 4820	4728	csrsll.exe	100

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4780-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4780-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3152-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3152-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4780-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3152-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000d000000023b69-28.dat	upx
behavioral2/memory/3152-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4728-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4728-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4820-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4820-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4820-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4820-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4820-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4728-56-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3152-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4456-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4820-60-0x0000000000400000-0x0000000000414000-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	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe
Token: SeDebugPrivilege	4456	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
3152	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
4728	csrsll.exe
4456	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 3152	4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	91
PID 4780 wrote to memory of 3152	4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	91
PID 4780 wrote to memory of 3152	4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	91
PID 4780 wrote to memory of 3152	4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	91
PID 4780 wrote to memory of 3152	4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	91
PID 4780 wrote to memory of 3152	4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	91
PID 4780 wrote to memory of 3152	4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	91
PID 4780 wrote to memory of 3152	4780	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	91
PID 3152 wrote to memory of 2956	3152	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	94
PID 3152 wrote to memory of 2956	3152	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	94
PID 3152 wrote to memory of 2956	3152	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	94
PID 2956 wrote to memory of 3044	2956	cmd.exe	97
PID 2956 wrote to memory of 3044	2956	cmd.exe	97
PID 2956 wrote to memory of 3044	2956	cmd.exe	97
PID 3152 wrote to memory of 4728	3152	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	98
PID 3152 wrote to memory of 4728	3152	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	98
PID 3152 wrote to memory of 4728	3152	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	98
PID 4728 wrote to memory of 4456	4728	csrsll.exe	99
PID 4728 wrote to memory of 4456	4728	csrsll.exe	99
PID 4728 wrote to memory of 4456	4728	csrsll.exe	99
PID 4728 wrote to memory of 4456	4728	csrsll.exe	99
PID 4728 wrote to memory of 4456	4728	csrsll.exe	99
PID 4728 wrote to memory of 4456	4728	csrsll.exe	99
PID 4728 wrote to memory of 4456	4728	csrsll.exe	99
PID 4728 wrote to memory of 4456	4728	csrsll.exe	99
PID 4728 wrote to memory of 4820	4728	csrsll.exe	100
PID 4728 wrote to memory of 4820	4728	csrsll.exe	100
PID 4728 wrote to memory of 4820	4728	csrsll.exe	100
PID 4728 wrote to memory of 4820	4728	csrsll.exe	100
PID 4728 wrote to memory of 4820	4728	csrsll.exe	100
PID 4728 wrote to memory of 4820	4728	csrsll.exe	100
PID 4728 wrote to memory of 4820	4728	csrsll.exe	100
PID 4728 wrote to memory of 4820	4728	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
"C:\Users\Admin\AppData\Local\Temp\84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Users\Admin\AppData\Local\Temp\84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
  "C:\Users\Admin\AppData\Local\Temp\84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3152
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XJHLG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2956
  - - 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:3044
- - 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:4728
  - - 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:4456
  - - 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:4820

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\XJHLG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
c64b6f9eb7fc6e8a366eeb15d5ef8982

SHA1
1da84ff6e699564f5757b3c8313242cee537ba5a

SHA256
0713f636f5070eb55b5ac8098ac49ded8cc2f887653ae44eab4260d5111a6cb5

SHA512
cfc7e31a62641db3ef50d6521629d6fb9b0fec162e0615fd130ee9f465ddd618774fcfe5e0dc44c4d3b85a3364c35b2d4ae5c96d132e3c1d6203f9ec69e40253

Download Submit
memory/3152-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3152-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3152-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3152-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3152-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4456-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4728-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4728-56-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4728-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4780-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4780-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4780-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4780-6-0x0000000002BA0000-0x0000000002BA2000-memory.dmp

Filesize
8KB

Download
memory/4780-5-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/4780-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4820-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4820-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4820-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4820-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4820-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4820-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads