modiloader | 0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 19:12

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General

Target

0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
Size

90KB
MD5

cb1dc98e397e66890aba1fd4f3b6a1b4
SHA1

fc7273707cbb7f1c13d179dd122482dafbcbd780
SHA256

0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b
SHA512

ce915974a300ad58e9abb0800ec9178bc35203c102eae939efd85861785315f0ff5ca54601790af329b83b0f6012bbd41b92167c6e9061def1486d947e178885
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDV:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3L

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/1716-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1716-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2860	csrsll.exe
956	csrsll.exe
1716	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.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-1-5-21-2039016743-699959520-214465309-1000\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 2556 set thread context of 1200	2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	31
PID 2860 set thread context of 956	2860	csrsll.exe	36
PID 2860 set thread context of 1716	2860	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2556-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1200-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2556-84-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2556-107-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2556-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1200-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1200-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1200-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1200-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1200-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2556-63-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2556-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-132.dat	upx
behavioral1/memory/2860-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1200-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2860-218-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2860-243-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2860-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1200-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-258-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/956-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-262-0x0000000000400000-0x0000000000414000-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	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
2860	csrsll.exe
956	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1200	2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	31
PID 2556 wrote to memory of 1200	2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	31
PID 2556 wrote to memory of 1200	2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	31
PID 2556 wrote to memory of 1200	2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	31
PID 2556 wrote to memory of 1200	2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	31
PID 2556 wrote to memory of 1200	2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	31
PID 2556 wrote to memory of 1200	2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	31
PID 2556 wrote to memory of 1200	2556	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	31
PID 1200 wrote to memory of 2876	1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	32
PID 1200 wrote to memory of 2876	1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	32
PID 1200 wrote to memory of 2876	1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	32
PID 1200 wrote to memory of 2876	1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	32
PID 2876 wrote to memory of 2936	2876	cmd.exe	34
PID 2876 wrote to memory of 2936	2876	cmd.exe	34
PID 2876 wrote to memory of 2936	2876	cmd.exe	34
PID 2876 wrote to memory of 2936	2876	cmd.exe	34
PID 1200 wrote to memory of 2860	1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	35
PID 1200 wrote to memory of 2860	1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	35
PID 1200 wrote to memory of 2860	1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	35
PID 1200 wrote to memory of 2860	1200	0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe	35
PID 2860 wrote to memory of 956	2860	csrsll.exe	36
PID 2860 wrote to memory of 956	2860	csrsll.exe	36
PID 2860 wrote to memory of 956	2860	csrsll.exe	36
PID 2860 wrote to memory of 956	2860	csrsll.exe	36
PID 2860 wrote to memory of 956	2860	csrsll.exe	36
PID 2860 wrote to memory of 956	2860	csrsll.exe	36
PID 2860 wrote to memory of 956	2860	csrsll.exe	36
PID 2860 wrote to memory of 956	2860	csrsll.exe	36
PID 2860 wrote to memory of 1716	2860	csrsll.exe	37
PID 2860 wrote to memory of 1716	2860	csrsll.exe	37
PID 2860 wrote to memory of 1716	2860	csrsll.exe	37
PID 2860 wrote to memory of 1716	2860	csrsll.exe	37
PID 2860 wrote to memory of 1716	2860	csrsll.exe	37
PID 2860 wrote to memory of 1716	2860	csrsll.exe	37
PID 2860 wrote to memory of 1716	2860	csrsll.exe	37
PID 2860 wrote to memory of 1716	2860	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
"C:\Users\Admin\AppData\Local\Temp\0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Users\Admin\AppData\Local\Temp\0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe
  "C:\Users\Admin\AppData\Local\Temp\0319bda920812b86d06d629a350aa9af408169f07d69565e70f13c6b517bd57b.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1200
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\EFBBW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2876
  - - 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:2936
- - 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:2860
  - - 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:956
  - - 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:1716

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\EFBBW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6404291c68877e91194d00d45c56fd57

SHA1
2cdac83db3959fa4d1ff6505b33862ae23e7d12d

SHA256
94176a4ed7af5c405b66558dc759ac89861936ee11a4ef3e064af9510183ad1f

SHA512
9c7ca96776c54e50d1287a4322cff1ca403cdb63216c79dd74e2c6b6d72c78600434ff7ab79bc67cb5a57a1df1c60e491e3396666132bc51e5606e8d87a6fce1

Download Submit
memory/956-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-148-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/1200-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-240-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/1200-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-147-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/1200-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-150-0x0000000003140000-0x0000000003193000-memory.dmp

Filesize
332KB

Download
memory/1200-242-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/1200-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1200-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1200-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1716-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2556-60-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/2556-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2556-28-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2556-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2556-63-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2556-79-0x00000000004D0000-0x00000000004D2000-memory.dmp

Filesize
8KB

Download
memory/2556-5-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2556-40-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2556-107-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2556-84-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2556-3-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2556-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2556-14-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2556-16-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2556-71-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2860-177-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2860-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2860-243-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2860-166-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2860-218-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2860-156-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2860-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads