modiloader | 482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31

Analysis

max time kernel
118s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/01/2025, 09:06

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General

Target

482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe
Size

90KB
MD5

cceff9e8f75a4b8b385cfe8f721d4ad0
SHA1

63ad9bfe410323215aef8e74c0d1c47dc66ce103
SHA256

482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31
SHA512

804a516c5847082ffdcd4a13065fe1d7a9eaf123150a88aa9969738572e8a2b61fbdd8f9093a3040b986546c96cf962268a98ca72608349961dc5f7c00f51f2f
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/4268-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4268-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4268-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4268-61-0x0000000000400000-0x0000000000414000-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	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe

Executes dropped EXE 3 IoCs

pid	Process
4672	csrsll.exe
216	csrsll.exe
4268	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 3124 set thread context of 4416	3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	82
PID 4672 set thread context of 216	4672	csrsll.exe	90
PID 4672 set thread context of 4268	4672	csrsll.exe	91

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3124-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3124-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4416-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4416-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3124-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4416-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b6d-28.dat	upx
behavioral2/memory/4672-35-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4416-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4672-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4672-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4268-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4268-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4268-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4268-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4268-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4672-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4416-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/216-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4268-61-0x0000000000400000-0x0000000000414000-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	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe
4416	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe
4672	csrsll.exe
216	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 4416	3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	82
PID 3124 wrote to memory of 4416	3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	82
PID 3124 wrote to memory of 4416	3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	82
PID 3124 wrote to memory of 4416	3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	82
PID 3124 wrote to memory of 4416	3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	82
PID 3124 wrote to memory of 4416	3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	82
PID 3124 wrote to memory of 4416	3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	82
PID 3124 wrote to memory of 4416	3124	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	82
PID 4416 wrote to memory of 5028	4416	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	83
PID 4416 wrote to memory of 5028	4416	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	83
PID 4416 wrote to memory of 5028	4416	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	83
PID 5028 wrote to memory of 1376	5028	cmd.exe	86
PID 5028 wrote to memory of 1376	5028	cmd.exe	86
PID 5028 wrote to memory of 1376	5028	cmd.exe	86
PID 4416 wrote to memory of 4672	4416	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	87
PID 4416 wrote to memory of 4672	4416	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	87
PID 4416 wrote to memory of 4672	4416	482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe	87
PID 4672 wrote to memory of 216	4672	csrsll.exe	90
PID 4672 wrote to memory of 216	4672	csrsll.exe	90
PID 4672 wrote to memory of 216	4672	csrsll.exe	90
PID 4672 wrote to memory of 216	4672	csrsll.exe	90
PID 4672 wrote to memory of 216	4672	csrsll.exe	90
PID 4672 wrote to memory of 216	4672	csrsll.exe	90
PID 4672 wrote to memory of 216	4672	csrsll.exe	90
PID 4672 wrote to memory of 216	4672	csrsll.exe	90
PID 4672 wrote to memory of 4268	4672	csrsll.exe	91
PID 4672 wrote to memory of 4268	4672	csrsll.exe	91
PID 4672 wrote to memory of 4268	4672	csrsll.exe	91
PID 4672 wrote to memory of 4268	4672	csrsll.exe	91
PID 4672 wrote to memory of 4268	4672	csrsll.exe	91
PID 4672 wrote to memory of 4268	4672	csrsll.exe	91
PID 4672 wrote to memory of 4268	4672	csrsll.exe	91
PID 4672 wrote to memory of 4268	4672	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe
"C:\Users\Admin\AppData\Local\Temp\482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Users\Admin\AppData\Local\Temp\482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe
  "C:\Users\Admin\AppData\Local\Temp\482dab290bd43f303da81c478657633b35e969b42f736af74ea347bd713afd31N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4416
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NEYCN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5028
  - - 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:1376
- - 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:4672
  - - 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:216
  - - 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:4268

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\NEYCN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
dab978edcf71fdf3cf5163e59e83909b

SHA1
7b18c02b6d5f1bb22e04531718700bd787f1af9b

SHA256
e078e6656b6917298b231becaa5c4c3e0de70baadbf527080149343236bcb372

SHA512
dd041cc71622b86c438ed7d297ca7d363fa0e4d62ac0fbd25b27d5d41dfdcd0313c33fa666b05ee8ec96dcfb511101780d118ebf9852028a6af318b3cb4b90d1

Download Submit
memory/216-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3124-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/3124-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3124-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3124-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3124-4-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/3124-3-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/4268-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4268-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4268-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4268-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4268-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4268-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4416-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4416-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4416-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4416-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4416-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4416-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4672-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4672-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4672-35-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4672-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads