modiloader | 8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21

Analysis

max time kernel
119s
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
18-12-2024 10:28

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General

Target

8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe
Size

90KB
MD5

556455449ac5c713aea6b6b058d0afe0
SHA1

b7d4e0a396735af996c6a01e553722f0b3758d9d
SHA256

8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21
SHA512

64c2f0bd124ec3ddc376e5d4862130f2971a5c78a8f096bdaf27bf279948231e7e9b2e31c64f0ef950334a88836fbbb0d605a1fe688e127c8ff3bbfa93e56a06
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDD:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3x

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/4448-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4448-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4448-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4448-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe

Executes dropped EXE 3 IoCs

pid	Process
1412	csrsll.exe
920	csrsll.exe
4448	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-1-5-21-2437139445-1151884604-3026847218-1000\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 5088 set thread context of 2720	5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	89
PID 1412 set thread context of 920	1412	csrsll.exe	101
PID 1412 set thread context of 4448	1412	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5088-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5088-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2720-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2720-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2720-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5088-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023ca6-29.dat	upx
behavioral2/memory/2720-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1412-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1412-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4448-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4448-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4448-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4448-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1412-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4448-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2720-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/920-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4448-61-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe
2720	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe
1412	csrsll.exe
920	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 2720	5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	89
PID 5088 wrote to memory of 2720	5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	89
PID 5088 wrote to memory of 2720	5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	89
PID 5088 wrote to memory of 2720	5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	89
PID 5088 wrote to memory of 2720	5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	89
PID 5088 wrote to memory of 2720	5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	89
PID 5088 wrote to memory of 2720	5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	89
PID 5088 wrote to memory of 2720	5088	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	89
PID 2720 wrote to memory of 1284	2720	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	90
PID 2720 wrote to memory of 1284	2720	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	90
PID 2720 wrote to memory of 1284	2720	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	90
PID 1284 wrote to memory of 1492	1284	cmd.exe	94
PID 1284 wrote to memory of 1492	1284	cmd.exe	94
PID 1284 wrote to memory of 1492	1284	cmd.exe	94
PID 2720 wrote to memory of 1412	2720	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	96
PID 2720 wrote to memory of 1412	2720	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	96
PID 2720 wrote to memory of 1412	2720	8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe	96
PID 1412 wrote to memory of 920	1412	csrsll.exe	101
PID 1412 wrote to memory of 920	1412	csrsll.exe	101
PID 1412 wrote to memory of 920	1412	csrsll.exe	101
PID 1412 wrote to memory of 920	1412	csrsll.exe	101
PID 1412 wrote to memory of 920	1412	csrsll.exe	101
PID 1412 wrote to memory of 920	1412	csrsll.exe	101
PID 1412 wrote to memory of 920	1412	csrsll.exe	101
PID 1412 wrote to memory of 920	1412	csrsll.exe	101
PID 1412 wrote to memory of 4448	1412	csrsll.exe	102
PID 1412 wrote to memory of 4448	1412	csrsll.exe	102
PID 1412 wrote to memory of 4448	1412	csrsll.exe	102
PID 1412 wrote to memory of 4448	1412	csrsll.exe	102
PID 1412 wrote to memory of 4448	1412	csrsll.exe	102
PID 1412 wrote to memory of 4448	1412	csrsll.exe	102
PID 1412 wrote to memory of 4448	1412	csrsll.exe	102
PID 1412 wrote to memory of 4448	1412	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe
"C:\Users\Admin\AppData\Local\Temp\8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Users\Admin\AppData\Local\Temp\8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe
  "C:\Users\Admin\AppData\Local\Temp\8da0beb3da944696e8688a650a5d9167426e925b01969da2f890d7da0de7dd21.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TSENE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1284
  - - 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:1492
- - 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:1412
  - - 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:920
  - - 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:4448

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\TSENE.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
53a314477758bf3b2eb5e882ace9e61a

SHA1
eaab8cee65772e5a52c3d7564eb6e111eda2edd0

SHA256
3cb1ba39f607fcf90c6d3a33088c71608d7e10dc5c09276b6f79d55c5b439f7a

SHA512
cbb48d688a9d389179bfad4cca8451a2bb515f6a306dd56feeab856b52fa2087f6bb2dd93f02adae0647324af710aa1b369431ee68adb4d5b714d8dfc508e779

Download Submit
memory/920-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1412-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1412-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1412-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2720-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4448-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4448-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4448-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4448-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4448-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4448-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5088-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/5088-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5088-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5088-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/5088-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5088-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads