modiloader | 8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0

Analysis

max time kernel
149s
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
24-11-2024 00:45

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General

Target

8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
Size

90KB
MD5

864a441ebe1847e1d2aeb239bab62ea6
SHA1

8cd951f142e2f3d78d990078864a10abf284c847
SHA256

8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0
SHA512

d10f1643b500a09cab2e1818e78d712ea0ef259aaafe97941e85b3d33b51dea7c00643ce144342b6965a0997cdfacebe9aae523b653d50c35204c2afd1a4facb
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD6:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE30

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 3 IoCs

resource	yara_rule
behavioral2/memory/3016-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3016-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3016-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe

Executes dropped EXE 3 IoCs

pid	Process
3948	csrsll.exe
3264	csrsll.exe
3016	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-1-5-21-3227495264-2217614367-4027411560-1000\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 4812 set thread context of 1972	4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	87
PID 3948 set thread context of 3264	3948	csrsll.exe	95
PID 3948 set thread context of 3016	3948	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4812-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4812-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1972-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1972-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4812-10-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1972-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b83-28.dat	upx
behavioral2/memory/1972-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3948-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3948-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3264-45-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3016-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3016-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3016-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3016-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3948-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1972-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3264-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3016-63-0x0000000000400000-0x0000000000414000-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	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.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	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe
Token: SeDebugPrivilege	3264	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
1972	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
3948	csrsll.exe
3264	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 1972	4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	87
PID 4812 wrote to memory of 1972	4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	87
PID 4812 wrote to memory of 1972	4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	87
PID 4812 wrote to memory of 1972	4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	87
PID 4812 wrote to memory of 1972	4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	87
PID 4812 wrote to memory of 1972	4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	87
PID 4812 wrote to memory of 1972	4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	87
PID 4812 wrote to memory of 1972	4812	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	87
PID 1972 wrote to memory of 2184	1972	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	90
PID 1972 wrote to memory of 2184	1972	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	90
PID 1972 wrote to memory of 2184	1972	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	90
PID 2184 wrote to memory of 5104	2184	cmd.exe	93
PID 2184 wrote to memory of 5104	2184	cmd.exe	93
PID 2184 wrote to memory of 5104	2184	cmd.exe	93
PID 1972 wrote to memory of 3948	1972	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	94
PID 1972 wrote to memory of 3948	1972	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	94
PID 1972 wrote to memory of 3948	1972	8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe	94
PID 3948 wrote to memory of 3264	3948	csrsll.exe	95
PID 3948 wrote to memory of 3264	3948	csrsll.exe	95
PID 3948 wrote to memory of 3264	3948	csrsll.exe	95
PID 3948 wrote to memory of 3264	3948	csrsll.exe	95
PID 3948 wrote to memory of 3264	3948	csrsll.exe	95
PID 3948 wrote to memory of 3264	3948	csrsll.exe	95
PID 3948 wrote to memory of 3264	3948	csrsll.exe	95
PID 3948 wrote to memory of 3264	3948	csrsll.exe	95
PID 3948 wrote to memory of 3016	3948	csrsll.exe	96
PID 3948 wrote to memory of 3016	3948	csrsll.exe	96
PID 3948 wrote to memory of 3016	3948	csrsll.exe	96
PID 3948 wrote to memory of 3016	3948	csrsll.exe	96
PID 3948 wrote to memory of 3016	3948	csrsll.exe	96
PID 3948 wrote to memory of 3016	3948	csrsll.exe	96
PID 3948 wrote to memory of 3016	3948	csrsll.exe	96
PID 3948 wrote to memory of 3016	3948	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
"C:\Users\Admin\AppData\Local\Temp\8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Users\Admin\AppData\Local\Temp\8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe
  "C:\Users\Admin\AppData\Local\Temp\8950b7a7e092af616895427c7a5416998a97822d38627056502e5286a8fa8bc0.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GUPNS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - 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:5104
- - 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:3948
  - - 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:3264
  - - 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:3016

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\GUPNS.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4f042fcb5a8683da90be3176a0016edb

SHA1
2846c39d5a207d51c766e3994d4f3d104a711a5c

SHA256
9ca91fcc93e5b2335c19e593e3ca2703ad88747af3a527a1a263213024024bc9

SHA512
1ccc99441bd16e91d524064b1d285ca812636d3bf5d2d106ba17c5bf895f055ec3ba89ef8896b784445a6067f25fe7f64b34c1f111c065ffe31840689b099afb

Download Submit
memory/1972-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1972-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1972-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1972-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1972-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3016-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3016-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3016-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3016-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3264-45-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3264-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3948-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3948-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3948-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4812-10-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4812-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4812-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/4812-5-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4812-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4812-6-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads