modiloader | 62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90e

Analysis

max time kernel
120s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 22:24

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General

Target

62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe
Size

90KB
MD5

91c3c34c15a69d3f3b515a94e4079a50
SHA1

cfdd76fe58fb19a640d2c1ebf2f2b8701be59891
SHA256

62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90e
SHA512

848176abdebd2be4cec1b11d44bf79fad01727d588a4a1c3219ebb73587f57f021d6a7a432066d8658e95948c1bcd62fd72ef49b9710e7d68e404bcd87b26934
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/336-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/336-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/336-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/336-65-0x0000000000400000-0x0000000000414000-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	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe

Executes dropped EXE 3 IoCs

pid	Process
888	csrsll.exe
948	csrsll.exe
336	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 2156 set thread context of 4532	2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	89
PID 888 set thread context of 948	888	csrsll.exe	102
PID 888 set thread context of 336	888	csrsll.exe	103

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2156-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2156-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4532-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4532-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4532-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2156-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c9d-31.dat	upx
behavioral2/memory/888-38-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4532-42-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/888-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/888-44-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/336-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/336-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/336-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/888-60-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/336-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/336-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4532-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/948-64-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/336-65-0x0000000000400000-0x0000000000414000-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	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	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe
Token: SeDebugPrivilege	948	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe
4532	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe
888	csrsll.exe
948	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 4532	2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	89
PID 2156 wrote to memory of 4532	2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	89
PID 2156 wrote to memory of 4532	2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	89
PID 2156 wrote to memory of 4532	2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	89
PID 2156 wrote to memory of 4532	2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	89
PID 2156 wrote to memory of 4532	2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	89
PID 2156 wrote to memory of 4532	2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	89
PID 2156 wrote to memory of 4532	2156	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	89
PID 4532 wrote to memory of 1892	4532	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	92
PID 4532 wrote to memory of 1892	4532	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	92
PID 4532 wrote to memory of 1892	4532	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	92
PID 1892 wrote to memory of 2648	1892	cmd.exe	96
PID 1892 wrote to memory of 2648	1892	cmd.exe	96
PID 1892 wrote to memory of 2648	1892	cmd.exe	96
PID 4532 wrote to memory of 888	4532	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	97
PID 4532 wrote to memory of 888	4532	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	97
PID 4532 wrote to memory of 888	4532	62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe	97
PID 888 wrote to memory of 948	888	csrsll.exe	102
PID 888 wrote to memory of 948	888	csrsll.exe	102
PID 888 wrote to memory of 948	888	csrsll.exe	102
PID 888 wrote to memory of 948	888	csrsll.exe	102
PID 888 wrote to memory of 948	888	csrsll.exe	102
PID 888 wrote to memory of 948	888	csrsll.exe	102
PID 888 wrote to memory of 948	888	csrsll.exe	102
PID 888 wrote to memory of 948	888	csrsll.exe	102
PID 888 wrote to memory of 336	888	csrsll.exe	103
PID 888 wrote to memory of 336	888	csrsll.exe	103
PID 888 wrote to memory of 336	888	csrsll.exe	103
PID 888 wrote to memory of 336	888	csrsll.exe	103
PID 888 wrote to memory of 336	888	csrsll.exe	103
PID 888 wrote to memory of 336	888	csrsll.exe	103
PID 888 wrote to memory of 336	888	csrsll.exe	103
PID 888 wrote to memory of 336	888	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe
"C:\Users\Admin\AppData\Local\Temp\62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe
  "C:\Users\Admin\AppData\Local\Temp\62d12fab718a616e1d0bb199731cc7d6cce979aa41f0d68ee779fbd1be68a90eN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WVRSF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1892
  - - 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:2648
- - 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:888
  - - 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:948
  - - 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:336

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\WVRSF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8a934345e9f9cf678902faa5b6338ba4

SHA1
bb67a2c7ea29854eab1f8808aed93522d3384023

SHA256
82a934c68b2f9f564624fbdf94684824cf01cb4195b4105c435f9c7a500d3002

SHA512
ca46279e72cedb17571821af80fc9a1301e5d3af5b19783cb955441cef066bd274c0dbd977fda320a5d7aff739c47512a7660d18b9d478afe5b42cb4d1af0990

Download Submit
memory/336-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/336-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/336-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/336-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/336-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/336-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/888-38-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/888-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/888-60-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/888-44-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/948-64-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2156-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/2156-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2156-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2156-7-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/2156-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/2156-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2156-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/4532-42-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4532-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads