modiloader | 9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432

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
27/11/2024, 17:19

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General

Target

9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe
Size

90KB
MD5

e55e5d332a61a89fb3ed72e91c836232
SHA1

704235ada03c251c579dbe01b3c2bd2a702a15eb
SHA256

9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432
SHA512

30fc27d1d386fbe87abb5c218f0449bd45b994e8159258ce4f3bda245b85a7bd1c33254f2e9a3f1cb5899a4fd09564ec5041ab2b30c7aae1a0f533e58360446e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD2:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3w

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/1008-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1008-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1008-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1008-63-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe

Executes dropped EXE 3 IoCs

pid	Process
876	csrsll.exe
4912	csrsll.exe
1008	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-1-5-21-1045960512-3948844814-3059691613-1000\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 4680 set thread context of 4104	4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	88
PID 876 set thread context of 4912	876	csrsll.exe	100
PID 876 set thread context of 1008	876	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4680-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4680-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4104-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4104-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4104-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4680-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c97-30.dat	upx
behavioral2/memory/4104-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/876-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/876-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1008-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1008-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1008-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1008-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1008-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/876-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4104-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4912-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1008-63-0x0000000000400000-0x0000000000414000-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	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.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	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe
Token: SeDebugPrivilege	4912	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe
4104	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe
876	csrsll.exe
4912	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 4104	4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	88
PID 4680 wrote to memory of 4104	4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	88
PID 4680 wrote to memory of 4104	4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	88
PID 4680 wrote to memory of 4104	4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	88
PID 4680 wrote to memory of 4104	4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	88
PID 4680 wrote to memory of 4104	4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	88
PID 4680 wrote to memory of 4104	4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	88
PID 4680 wrote to memory of 4104	4680	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	88
PID 4104 wrote to memory of 3336	4104	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	91
PID 4104 wrote to memory of 3336	4104	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	91
PID 4104 wrote to memory of 3336	4104	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	91
PID 3336 wrote to memory of 2280	3336	cmd.exe	95
PID 3336 wrote to memory of 2280	3336	cmd.exe	95
PID 3336 wrote to memory of 2280	3336	cmd.exe	95
PID 4104 wrote to memory of 876	4104	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	96
PID 4104 wrote to memory of 876	4104	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	96
PID 4104 wrote to memory of 876	4104	9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe	96
PID 876 wrote to memory of 4912	876	csrsll.exe	100
PID 876 wrote to memory of 4912	876	csrsll.exe	100
PID 876 wrote to memory of 4912	876	csrsll.exe	100
PID 876 wrote to memory of 4912	876	csrsll.exe	100
PID 876 wrote to memory of 4912	876	csrsll.exe	100
PID 876 wrote to memory of 4912	876	csrsll.exe	100
PID 876 wrote to memory of 4912	876	csrsll.exe	100
PID 876 wrote to memory of 4912	876	csrsll.exe	100
PID 876 wrote to memory of 1008	876	csrsll.exe	101
PID 876 wrote to memory of 1008	876	csrsll.exe	101
PID 876 wrote to memory of 1008	876	csrsll.exe	101
PID 876 wrote to memory of 1008	876	csrsll.exe	101
PID 876 wrote to memory of 1008	876	csrsll.exe	101
PID 876 wrote to memory of 1008	876	csrsll.exe	101
PID 876 wrote to memory of 1008	876	csrsll.exe	101
PID 876 wrote to memory of 1008	876	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe
"C:\Users\Admin\AppData\Local\Temp\9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Users\Admin\AppData\Local\Temp\9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe
  "C:\Users\Admin\AppData\Local\Temp\9f7415cc5d02e67e40c6b159489d3cca07271e6abe894f1bf3584ea70af84432.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4104
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GRXOM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3336
  - - 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:2280
- - 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:876
  - - 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:4912
  - - 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:1008

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\GRXOM.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4b551f51f87e75d78441a230e5fee31f

SHA1
953da44d1c54613e66012eeedd35a444c4183f3e

SHA256
9762e9580f53cfaba89645975e31ddf6b51cd744e28e24bd83ad0b4655b026c5

SHA512
58c7cabd64b21adf76730992106de5b978ca1480ae372c0c227eeab9952ed4aa111487ed56688f2d85092bcb32c240f4f7616a5999f05095b68987e80998f049

Download Submit
memory/876-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/876-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/876-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1008-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4104-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4104-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4104-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4104-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4104-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4104-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4680-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4680-4-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/4680-6-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/4680-7-0x0000000002440000-0x0000000002442000-memory.dmp

Filesize
8KB

Download
memory/4680-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4680-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4680-3-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/4912-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads