modiloader | e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 05:12

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General

Target

e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe
Size

90KB
MD5

6b1979608b1e3cad5378eb3a78f417b8
SHA1

4f1ff33aec63a82f896e697f1762cadf68bb8996
SHA256

e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae
SHA512

f7398056775676a7d9c7467924c86801c685d0cff8170759dc2b1a6c1334b21fdaa205c88074da01e5dcf8f0f8e568077b5964f2152bbdb4596d1cac4bdcd462
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/2616-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2616-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2616-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2616-63-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe

Executes dropped EXE 3 IoCs

pid	Process
1736	csrsll.exe
4100	csrsll.exe
2616	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-1-5-21-4050598569-1597076380-177084960-1000\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 1056 set thread context of 3828	1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	87
PID 1736 set thread context of 4100	1736	csrsll.exe	95
PID 1736 set thread context of 2616	1736	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1056-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1056-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3828-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3828-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3828-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1056-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b8e-29.dat	upx
behavioral2/memory/1736-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3828-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1736-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1736-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2616-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1736-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3828-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4100-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2616-63-0x0000000000400000-0x0000000000414000-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	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe
Token: SeDebugPrivilege	4100	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe
3828	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe
1736	csrsll.exe
4100	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 3828	1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	87
PID 1056 wrote to memory of 3828	1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	87
PID 1056 wrote to memory of 3828	1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	87
PID 1056 wrote to memory of 3828	1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	87
PID 1056 wrote to memory of 3828	1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	87
PID 1056 wrote to memory of 3828	1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	87
PID 1056 wrote to memory of 3828	1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	87
PID 1056 wrote to memory of 3828	1056	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	87
PID 3828 wrote to memory of 2800	3828	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	90
PID 3828 wrote to memory of 2800	3828	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	90
PID 3828 wrote to memory of 2800	3828	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	90
PID 2800 wrote to memory of 3292	2800	cmd.exe	93
PID 2800 wrote to memory of 3292	2800	cmd.exe	93
PID 2800 wrote to memory of 3292	2800	cmd.exe	93
PID 3828 wrote to memory of 1736	3828	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	94
PID 3828 wrote to memory of 1736	3828	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	94
PID 3828 wrote to memory of 1736	3828	e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe	94
PID 1736 wrote to memory of 4100	1736	csrsll.exe	95
PID 1736 wrote to memory of 4100	1736	csrsll.exe	95
PID 1736 wrote to memory of 4100	1736	csrsll.exe	95
PID 1736 wrote to memory of 4100	1736	csrsll.exe	95
PID 1736 wrote to memory of 4100	1736	csrsll.exe	95
PID 1736 wrote to memory of 4100	1736	csrsll.exe	95
PID 1736 wrote to memory of 4100	1736	csrsll.exe	95
PID 1736 wrote to memory of 4100	1736	csrsll.exe	95
PID 1736 wrote to memory of 2616	1736	csrsll.exe	96
PID 1736 wrote to memory of 2616	1736	csrsll.exe	96
PID 1736 wrote to memory of 2616	1736	csrsll.exe	96
PID 1736 wrote to memory of 2616	1736	csrsll.exe	96
PID 1736 wrote to memory of 2616	1736	csrsll.exe	96
PID 1736 wrote to memory of 2616	1736	csrsll.exe	96
PID 1736 wrote to memory of 2616	1736	csrsll.exe	96
PID 1736 wrote to memory of 2616	1736	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe
"C:\Users\Admin\AppData\Local\Temp\e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Users\Admin\AppData\Local\Temp\e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe
  "C:\Users\Admin\AppData\Local\Temp\e9c0e71a8fec61cc81b7a6e7822dc7836cd90968d2c0f6d3903fcce5c0204eae.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3828
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HYPEO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2800
  - - 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:3292
- - 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:1736
  - - 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:4100
  - - 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:2616

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\HYPEO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9123b868a80f1070a70f0ca177ef47e5

SHA1
29d66dfc5baad06cc869dcad0e15cbb2ae41eb46

SHA256
7d352ca3598fa51b533a7d140b4720d825371652978e6adbbe93f1f003cc76a8

SHA512
00167bc3f6346256e1337628b6682e098ff85c6bef7918b4ce551fc7c5f3423311d8a6fb08b4664e8e413050e61475d2d2167ef4d79331053dde6c0452d254a0

Download Submit
memory/1056-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/1056-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/1056-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/1056-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1056-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2616-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3828-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3828-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3828-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3828-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3828-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4100-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads