modiloader | e0605a1af0015ad5f2133fb81a9bf555efad8d3ad2166845511fcfc797ffa2f2

Analysis

max time kernel
118s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 06:50

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General

Target

6065dde59728d97cc4e8a1ea9507ebc0N.exe
Size

326KB
MD5

6065dde59728d97cc4e8a1ea9507ebc0
SHA1

3cd3f35bc129cb824234d3dd91db6c8ef233eed0
SHA256

e0605a1af0015ad5f2133fb81a9bf555efad8d3ad2166845511fcfc797ffa2f2
SHA512

7d02f4cdc5ca622b35ae6eb1fc9610f7d026f498f60d7003e288b9dbdfc0897d435bcc499f98bfdcf5b63a0ab0972f85bd3dd1d659675f86ccfd6281234db5a1
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/3268-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3268-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3268-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3268-57-0x0000000000400000-0x0000000000414000-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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	6065dde59728d97cc4e8a1ea9507ebc0N.exe

Executes dropped EXE 3 IoCs

pid	Process
1908	csrsll.exe
5044	csrsll.exe
3268	csrsll.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2024-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1628-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1628-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1628-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2024-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x000f000000023401-27.dat	upx
behavioral2/memory/1908-35-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1908-43-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3268-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3268-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3268-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3268-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3268-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1908-53-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1628-54-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5044-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3268-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-656926755-4116854191-210765258-1000\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 2024 set thread context of 1628	2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe	86
PID 1908 set thread context of 5044	1908	csrsll.exe	92
PID 1908 set thread context of 3268	1908	csrsll.exe	93

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	6065dde59728d97cc4e8a1ea9507ebc0N.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	6065dde59728d97cc4e8a1ea9507ebc0N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe
Token: SeDebugPrivilege	5044	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe
1628	6065dde59728d97cc4e8a1ea9507ebc0N.exe
1908	csrsll.exe
5044	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1628	2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe	86
PID 2024 wrote to memory of 1628	2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe	86
PID 2024 wrote to memory of 1628	2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe	86
PID 2024 wrote to memory of 1628	2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe	86
PID 2024 wrote to memory of 1628	2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe	86
PID 2024 wrote to memory of 1628	2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe	86
PID 2024 wrote to memory of 1628	2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe	86
PID 2024 wrote to memory of 1628	2024	6065dde59728d97cc4e8a1ea9507ebc0N.exe	86
PID 1628 wrote to memory of 1888	1628	6065dde59728d97cc4e8a1ea9507ebc0N.exe	87
PID 1628 wrote to memory of 1888	1628	6065dde59728d97cc4e8a1ea9507ebc0N.exe	87
PID 1628 wrote to memory of 1888	1628	6065dde59728d97cc4e8a1ea9507ebc0N.exe	87
PID 1888 wrote to memory of 4616	1888	cmd.exe	90
PID 1888 wrote to memory of 4616	1888	cmd.exe	90
PID 1888 wrote to memory of 4616	1888	cmd.exe	90
PID 1628 wrote to memory of 1908	1628	6065dde59728d97cc4e8a1ea9507ebc0N.exe	91
PID 1628 wrote to memory of 1908	1628	6065dde59728d97cc4e8a1ea9507ebc0N.exe	91
PID 1628 wrote to memory of 1908	1628	6065dde59728d97cc4e8a1ea9507ebc0N.exe	91
PID 1908 wrote to memory of 5044	1908	csrsll.exe	92
PID 1908 wrote to memory of 5044	1908	csrsll.exe	92
PID 1908 wrote to memory of 5044	1908	csrsll.exe	92
PID 1908 wrote to memory of 5044	1908	csrsll.exe	92
PID 1908 wrote to memory of 5044	1908	csrsll.exe	92
PID 1908 wrote to memory of 5044	1908	csrsll.exe	92
PID 1908 wrote to memory of 5044	1908	csrsll.exe	92
PID 1908 wrote to memory of 5044	1908	csrsll.exe	92
PID 1908 wrote to memory of 3268	1908	csrsll.exe	93
PID 1908 wrote to memory of 3268	1908	csrsll.exe	93
PID 1908 wrote to memory of 3268	1908	csrsll.exe	93
PID 1908 wrote to memory of 3268	1908	csrsll.exe	93
PID 1908 wrote to memory of 3268	1908	csrsll.exe	93
PID 1908 wrote to memory of 3268	1908	csrsll.exe	93
PID 1908 wrote to memory of 3268	1908	csrsll.exe	93
PID 1908 wrote to memory of 3268	1908	csrsll.exe	93

C:\Users\Admin\AppData\Local\Temp\6065dde59728d97cc4e8a1ea9507ebc0N.exe
"C:\Users\Admin\AppData\Local\Temp\6065dde59728d97cc4e8a1ea9507ebc0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\6065dde59728d97cc4e8a1ea9507ebc0N.exe
  "C:\Users\Admin\AppData\Local\Temp\6065dde59728d97cc4e8a1ea9507ebc0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IEDQH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1888
  - - 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:4616
- - 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:1908
  - - 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:5044
  - - 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:3268

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\IEDQH.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
f920a7d809efe0c962a2ad2ffc1687bf

SHA1
4b83fa9ac7a0cb6315d514b7467fb822993bb812

SHA256
90a6a85384660b90ddad4fb4d9b8b3d967fdbebaab56305dad14f46767ea78f2

SHA512
8dbd0e94817adfb3e02a00ecc71713dafaf7e145f8d8184e398642b23ea21706857f593394cdaeea2fbaabd4fb51d24a7bc91ac734a659804a27c9f5f5cb4153

Download Submit
memory/1628-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-54-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1908-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1908-53-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1908-43-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2024-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2024-5-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/2024-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/2024-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2024-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2024-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/3268-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3268-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3268-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3268-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3268-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3268-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5044-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads