modiloader | 332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 20:04

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General

Target

332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
Size

90KB
MD5

7fa86d14885c8719928371da000f09ef
SHA1

fa3adfb90ca15a40d5f596098d594548e25f46ec
SHA256

332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44
SHA512

5d50438888c2e335ea4282282f09237e0fdf265ea7d88905e6838a002ff21a1860e6be024d6af52e57963f043b9da363dd581adfef8aa9c50b7afe73f89beb97
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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/1244-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1244-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1244-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1244-64-0x0000000000400000-0x0000000000414000-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe

Executes dropped EXE 3 IoCs

pid	Process
3224	csrsll.exe
1988	csrsll.exe
1244	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1980-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1980-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3732-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3732-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1980-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3732-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000800000002345b-29.dat	upx
behavioral2/memory/3224-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3732-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3224-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3224-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1244-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1244-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1244-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1244-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1244-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3224-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3732-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1988-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1244-64-0x0000000000400000-0x0000000000414000-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-1-5-21-1302416131-1437503476-2806442725-1000\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 1980 set thread context of 3732	1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 3224 set thread context of 1988	3224	csrsll.exe	95
PID 3224 set thread context of 1244	3224	csrsll.exe	96

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	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.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	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe
Token: SeDebugPrivilege	1988	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
3732	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
3224	csrsll.exe
1988	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 3732	1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1980 wrote to memory of 3732	1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1980 wrote to memory of 3732	1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1980 wrote to memory of 3732	1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1980 wrote to memory of 3732	1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1980 wrote to memory of 3732	1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1980 wrote to memory of 3732	1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1980 wrote to memory of 3732	1980	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 3732 wrote to memory of 1208	3732	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	88
PID 3732 wrote to memory of 1208	3732	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	88
PID 3732 wrote to memory of 1208	3732	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	88
PID 1208 wrote to memory of 2952	1208	cmd.exe	91
PID 1208 wrote to memory of 2952	1208	cmd.exe	91
PID 1208 wrote to memory of 2952	1208	cmd.exe	91
PID 3732 wrote to memory of 3224	3732	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	93
PID 3732 wrote to memory of 3224	3732	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	93
PID 3732 wrote to memory of 3224	3732	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	93
PID 3224 wrote to memory of 1988	3224	csrsll.exe	95
PID 3224 wrote to memory of 1988	3224	csrsll.exe	95
PID 3224 wrote to memory of 1988	3224	csrsll.exe	95
PID 3224 wrote to memory of 1988	3224	csrsll.exe	95
PID 3224 wrote to memory of 1988	3224	csrsll.exe	95
PID 3224 wrote to memory of 1988	3224	csrsll.exe	95
PID 3224 wrote to memory of 1988	3224	csrsll.exe	95
PID 3224 wrote to memory of 1988	3224	csrsll.exe	95
PID 3224 wrote to memory of 1244	3224	csrsll.exe	96
PID 3224 wrote to memory of 1244	3224	csrsll.exe	96
PID 3224 wrote to memory of 1244	3224	csrsll.exe	96
PID 3224 wrote to memory of 1244	3224	csrsll.exe	96
PID 3224 wrote to memory of 1244	3224	csrsll.exe	96
PID 3224 wrote to memory of 1244	3224	csrsll.exe	96
PID 3224 wrote to memory of 1244	3224	csrsll.exe	96
PID 3224 wrote to memory of 1244	3224	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
"C:\Users\Admin\AppData\Local\Temp\332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Users\Admin\AppData\Local\Temp\332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
  "C:\Users\Admin\AppData\Local\Temp\332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3732
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MQCAE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1208
  - - 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:2952
- - 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:3224
  - - 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:1988
  - - 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:1244

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MQCAE.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
549c7ac3c1b9acc9389753a324dc5def

SHA1
84a5880f2e383f55f557afd4988e07f2fe41c04c

SHA256
bdd7660db532d4b8ba603bef45f84260e642e6a3d534453e485de1385578aae8

SHA512
1915bd59878de97ca936dba0ede9ff49ae32492efd3eed4c3ae03aeb4dbc961a6ab862aca5ae9d70d9d769467544adeadcf613352a603483d6cfbf40248e3e31

Download Submit
memory/1244-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1244-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1244-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1244-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1244-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1244-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1980-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/1980-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1980-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1980-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1980-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1980-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1988-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3224-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3732-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3732-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3732-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3732-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3732-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads