modiloader | f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335da

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 10:34

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General

Target

f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
Size

90KB
MD5

98d5d91ad567852f5c601b07c6b3a390
SHA1

b85689fc33a83d9f277e28ccee6c454d2c86b3be
SHA256

f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335da
SHA512

eff5b2e7307d1365bbcee75db6ddd76a4fb342610bc99d96af953f588313f7343c198c53e8cdcafedfd1d85d7c0a57f94d2a0528f43a23fe5ae816deb0032e49
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE31

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 2 IoCs

resource	yara_rule
behavioral1/memory/2796-256-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2796-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
784	csrsll.exe
628	csrsll.exe
2796	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.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-1-5-21-1488793075-819845221-1497111674-1000\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 1800 set thread context of 2896	1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	30
PID 784 set thread context of 628	784	csrsll.exe	36
PID 784 set thread context of 2796	784	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1800-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1800-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1800-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1800-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1800-78-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2896-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2896-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2896-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2896-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2896-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2896-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1800-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000a000000015e64-133.dat	upx
behavioral1/memory/2896-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2896-154-0x0000000003230000-0x0000000003283000-memory.dmp	upx
behavioral1/memory/784-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/784-254-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2796-256-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/628-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2896-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/628-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2796-261-0x0000000000400000-0x0000000000414000-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	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
784	csrsll.exe
628	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2896	1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	30
PID 1800 wrote to memory of 2896	1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	30
PID 1800 wrote to memory of 2896	1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	30
PID 1800 wrote to memory of 2896	1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	30
PID 1800 wrote to memory of 2896	1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	30
PID 1800 wrote to memory of 2896	1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	30
PID 1800 wrote to memory of 2896	1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	30
PID 1800 wrote to memory of 2896	1800	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	30
PID 2896 wrote to memory of 264	2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	32
PID 2896 wrote to memory of 264	2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	32
PID 2896 wrote to memory of 264	2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	32
PID 2896 wrote to memory of 264	2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	32
PID 264 wrote to memory of 2036	264	cmd.exe	34
PID 264 wrote to memory of 2036	264	cmd.exe	34
PID 264 wrote to memory of 2036	264	cmd.exe	34
PID 264 wrote to memory of 2036	264	cmd.exe	34
PID 2896 wrote to memory of 784	2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	35
PID 2896 wrote to memory of 784	2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	35
PID 2896 wrote to memory of 784	2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	35
PID 2896 wrote to memory of 784	2896	f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe	35
PID 784 wrote to memory of 628	784	csrsll.exe	36
PID 784 wrote to memory of 628	784	csrsll.exe	36
PID 784 wrote to memory of 628	784	csrsll.exe	36
PID 784 wrote to memory of 628	784	csrsll.exe	36
PID 784 wrote to memory of 628	784	csrsll.exe	36
PID 784 wrote to memory of 628	784	csrsll.exe	36
PID 784 wrote to memory of 628	784	csrsll.exe	36
PID 784 wrote to memory of 628	784	csrsll.exe	36
PID 784 wrote to memory of 2796	784	csrsll.exe	37
PID 784 wrote to memory of 2796	784	csrsll.exe	37
PID 784 wrote to memory of 2796	784	csrsll.exe	37
PID 784 wrote to memory of 2796	784	csrsll.exe	37
PID 784 wrote to memory of 2796	784	csrsll.exe	37
PID 784 wrote to memory of 2796	784	csrsll.exe	37
PID 784 wrote to memory of 2796	784	csrsll.exe	37
PID 784 wrote to memory of 2796	784	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
"C:\Users\Admin\AppData\Local\Temp\f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Users\Admin\AppData\Local\Temp\f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe
  "C:\Users\Admin\AppData\Local\Temp\f05c8e324bcab286e91ec019460aaa51feb6588684bd832ad55d38a21e4335daN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\TQPTG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:264
  - - 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:2036
- - 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:784
  - - 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:628
  - - 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:2796

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

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\TQPTG.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e5c927d601e9e25da4077890efea0d4b

SHA1
9960891fc24de380347326e6090d8d0c832d8e3c

SHA256
e5ba58056e0cb4504014ba288ba6c00c670e51b919a5131d2d963fe023d5c4c0

SHA512
5ae16f2962c2d1ce3fd09d1874f438af9b08d9f89eac2f275c2995c510c72e3ee8c3384cf7a6fe007c775982dc1592546bd09434fa77acf28bbf364446ae8462

Download Submit
memory/628-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/628-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/784-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/784-178-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/784-167-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/784-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/784-254-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1800-40-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1800-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1800-60-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/1800-78-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1800-30-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1800-27-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1800-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1800-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1800-80-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1800-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1800-92-0x0000000002530000-0x0000000002583000-memory.dmp

Filesize
332KB

Download
memory/1800-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1800-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1800-70-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/1800-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1800-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2796-256-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2796-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-153-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2896-154-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2896-148-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2896-135-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2896-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-213-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2896-212-0x0000000003230000-0x0000000003283000-memory.dmp

Filesize
332KB

Download
memory/2896-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads