modiloader | 1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cf

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 20:49

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General

Target

1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe
Size

90KB
MD5

d7c99412461ec9b5982f3dac5f05b2f0
SHA1

2a78ab6f8b7aa8e0478e0ae56fed591129696e26
SHA256

1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cf
SHA512

51c9bfb57a91efb2afe555cc18d3a2345871f812b46c1af6fbb2bd18662dc6aa209ac4dddb72a33e4bd92e5b75df36719075b64b38bb4eb4cd1842f28e16a599
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDR:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3H

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/4988-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4988-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4988-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4988-62-0x0000000000400000-0x0000000000414000-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	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe

Executes dropped EXE 3 IoCs

pid	Process
920	csrsll.exe
2372	csrsll.exe
4988	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 5048 set thread context of 1976	5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	82
PID 920 set thread context of 2372	920	csrsll.exe	93
PID 920 set thread context of 4988	920	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5048-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5048-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1976-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1976-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1976-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5048-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c93-29.dat	upx
behavioral2/memory/920-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1976-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/920-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/920-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4988-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4988-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4988-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4988-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4988-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/920-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1976-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2372-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4988-62-0x0000000000400000-0x0000000000414000-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	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	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe
Token: SeDebugPrivilege	2372	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe
1976	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe
920	csrsll.exe
2372	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 1976	5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	82
PID 5048 wrote to memory of 1976	5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	82
PID 5048 wrote to memory of 1976	5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	82
PID 5048 wrote to memory of 1976	5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	82
PID 5048 wrote to memory of 1976	5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	82
PID 5048 wrote to memory of 1976	5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	82
PID 5048 wrote to memory of 1976	5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	82
PID 5048 wrote to memory of 1976	5048	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	82
PID 1976 wrote to memory of 3796	1976	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	83
PID 1976 wrote to memory of 3796	1976	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	83
PID 1976 wrote to memory of 3796	1976	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	83
PID 3796 wrote to memory of 2928	3796	cmd.exe	86
PID 3796 wrote to memory of 2928	3796	cmd.exe	86
PID 3796 wrote to memory of 2928	3796	cmd.exe	86
PID 1976 wrote to memory of 920	1976	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	87
PID 1976 wrote to memory of 920	1976	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	87
PID 1976 wrote to memory of 920	1976	1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe	87
PID 920 wrote to memory of 2372	920	csrsll.exe	93
PID 920 wrote to memory of 2372	920	csrsll.exe	93
PID 920 wrote to memory of 2372	920	csrsll.exe	93
PID 920 wrote to memory of 2372	920	csrsll.exe	93
PID 920 wrote to memory of 2372	920	csrsll.exe	93
PID 920 wrote to memory of 2372	920	csrsll.exe	93
PID 920 wrote to memory of 2372	920	csrsll.exe	93
PID 920 wrote to memory of 2372	920	csrsll.exe	93
PID 920 wrote to memory of 4988	920	csrsll.exe	94
PID 920 wrote to memory of 4988	920	csrsll.exe	94
PID 920 wrote to memory of 4988	920	csrsll.exe	94
PID 920 wrote to memory of 4988	920	csrsll.exe	94
PID 920 wrote to memory of 4988	920	csrsll.exe	94
PID 920 wrote to memory of 4988	920	csrsll.exe	94
PID 920 wrote to memory of 4988	920	csrsll.exe	94
PID 920 wrote to memory of 4988	920	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe
"C:\Users\Admin\AppData\Local\Temp\1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Users\Admin\AppData\Local\Temp\1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe
  "C:\Users\Admin\AppData\Local\Temp\1ed2157e2be94c06af9a28351b57d61c5238e45e16b767a34ac026194763d9cfN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TRPUH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3796
  - - 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:2928
- - 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: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
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2372
  - - 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:4988

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\TRPUH.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2620685bb91ba7382cbf2e96df624bf1

SHA1
0ee5898d15e162753bf2a0fc6ebe16b8fb8b4f26

SHA256
ba3e2c281bcff996f2dc34402a9bd755b221174468970f6c21cad59fe5d9666c

SHA512
0ec755f21d2ec14c0f34ac2051cd7da729db5610e3db6588bb4a3cf11be33531671759cf2aa4cc66f0c419e91a3cfe7f4e52b082e437d27e7b11616cc9b93d16

Download Submit
memory/920-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/920-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/920-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/920-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1976-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1976-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1976-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1976-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1976-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2372-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4988-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5048-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5048-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/5048-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5048-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/5048-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/5048-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads