modiloader | 9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75

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
22-12-2024 09:32

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General

Target

9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe
Size

90KB
MD5

66fade29049d6b9909bfd7426a4b0968
SHA1

4e555de8db865b9973e3837ed776d5883c3f0d89
SHA256

9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75
SHA512

2784a3a61d4e1845eef71cab65d4211fec86aa86c10acd5b81b2f5b8361d235c4647544479010d4544e70eea987d52cef51dab5938d3287d948e0bff6fc46250
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDR:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3f

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/4524-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4524-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4524-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4524-64-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe

Executes dropped EXE 3 IoCs

pid	Process
3220	csrsll.exe
1416	csrsll.exe
4524	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-1-5-21-4089630652-1596403869-279772308-1000\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 4576 set thread context of 1272	4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	82
PID 3220 set thread context of 1416	3220	csrsll.exe	93
PID 3220 set thread context of 4524	3220	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4576-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4576-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1272-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1272-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4576-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1272-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1272-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b5f-30.dat	upx
behavioral2/memory/1272-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3220-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3220-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4524-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4524-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4524-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3220-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1272-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4524-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4524-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1416-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4524-64-0x0000000000400000-0x0000000000414000-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	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe
1272	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe
3220	csrsll.exe
1416	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 1272	4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	82
PID 4576 wrote to memory of 1272	4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	82
PID 4576 wrote to memory of 1272	4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	82
PID 4576 wrote to memory of 1272	4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	82
PID 4576 wrote to memory of 1272	4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	82
PID 4576 wrote to memory of 1272	4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	82
PID 4576 wrote to memory of 1272	4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	82
PID 4576 wrote to memory of 1272	4576	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	82
PID 1272 wrote to memory of 3588	1272	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	83
PID 1272 wrote to memory of 3588	1272	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	83
PID 1272 wrote to memory of 3588	1272	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	83
PID 3588 wrote to memory of 3692	3588	cmd.exe	86
PID 3588 wrote to memory of 3692	3588	cmd.exe	86
PID 3588 wrote to memory of 3692	3588	cmd.exe	86
PID 1272 wrote to memory of 3220	1272	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	87
PID 1272 wrote to memory of 3220	1272	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	87
PID 1272 wrote to memory of 3220	1272	9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe	87
PID 3220 wrote to memory of 1416	3220	csrsll.exe	93
PID 3220 wrote to memory of 1416	3220	csrsll.exe	93
PID 3220 wrote to memory of 1416	3220	csrsll.exe	93
PID 3220 wrote to memory of 1416	3220	csrsll.exe	93
PID 3220 wrote to memory of 1416	3220	csrsll.exe	93
PID 3220 wrote to memory of 1416	3220	csrsll.exe	93
PID 3220 wrote to memory of 1416	3220	csrsll.exe	93
PID 3220 wrote to memory of 1416	3220	csrsll.exe	93
PID 3220 wrote to memory of 4524	3220	csrsll.exe	94
PID 3220 wrote to memory of 4524	3220	csrsll.exe	94
PID 3220 wrote to memory of 4524	3220	csrsll.exe	94
PID 3220 wrote to memory of 4524	3220	csrsll.exe	94
PID 3220 wrote to memory of 4524	3220	csrsll.exe	94
PID 3220 wrote to memory of 4524	3220	csrsll.exe	94
PID 3220 wrote to memory of 4524	3220	csrsll.exe	94
PID 3220 wrote to memory of 4524	3220	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe
"C:\Users\Admin\AppData\Local\Temp\9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Local\Temp\9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe
  "C:\Users\Admin\AppData\Local\Temp\9ca9672c543818d899abd1f5910d398e1b949e7fe2acc8ada0acd5d2289b0d75.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VDRQC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3588
  - - 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:3692
- - 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:3220
  - - 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:1416
  - - 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:4524

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\VDRQC.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e2c0400afcacdb8e8f0e3ae8e97d8865

SHA1
145d197faee698e082b900d700eafe8b16eaa9b8

SHA256
75ea0391d038d68885436ae2670bda49bb6a5ee0c808106975690c85bd493485

SHA512
abfcb5193ee61090315bb78a4dfb27c0633b1655f2d0af9871f692ba652ead4a98c36ba96a729c9196c079d502398bfcf379552d4e4d9d871ac599a3cb1642da

Download Submit
memory/1272-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1416-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3220-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3220-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3220-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4524-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4524-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4524-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4524-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4524-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4524-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-4-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/4576-7-0x0000000002200000-0x0000000002202000-memory.dmp

Filesize
8KB

Download
memory/4576-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/4576-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4576-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4576-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4576-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads