modiloader | 2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 21:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
Size

94KB
MD5

51660ef847a18889a6ceca4b85f563b7
SHA1

36a9ab4b5a6f7005a6c0cbe6a265438e6b8b101b
SHA256

2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a
SHA512

0c04f8b5ad004e8aa5766147c7c30006c87caafa4e94658886bfd127aa04862e464da6f39f4aaf08b6176a4ab747e250ac0ba52d4b966653219c3c4c4d880f5f
SSDEEP

1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/2:/pdyLALwACPmV3NYaYLiwIt3raA5BRf1

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 1 IoCs

resource	yara_rule
behavioral1/memory/9072-147865-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
12192	csrsll.exe
9000	csrsll.exe
9072	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.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-1-5-21-4177215427-74451935-3209572229-1000\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 2124 set thread context of 44304	2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	31
PID 12192 set thread context of 9000	12192	csrsll.exe	36
PID 12192 set thread context of 9072	12192	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2124-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2124-178-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2124-42306-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2124-73919-0x0000000002810000-0x0000000002866000-memory.dmp	upx
behavioral1/memory/44304-73922-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/44304-73925-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/44304-73927-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/44304-73928-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2124-73929-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/44304-73930-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d000000012281-73955.dat	upx
behavioral1/memory/12192-73974-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/44304-96697-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/12192-112377-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/9072-147851-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/12192-147853-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/44304-147860-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/9000-147862-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/9072-147865-0x0000000000400000-0x0000000000414000-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	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe
Token: SeDebugPrivilege	9000	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
12192	csrsll.exe
9000	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 44304	2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	31
PID 2124 wrote to memory of 44304	2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	31
PID 2124 wrote to memory of 44304	2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	31
PID 2124 wrote to memory of 44304	2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	31
PID 2124 wrote to memory of 44304	2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	31
PID 2124 wrote to memory of 44304	2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	31
PID 2124 wrote to memory of 44304	2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	31
PID 2124 wrote to memory of 44304	2124	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	31
PID 44304 wrote to memory of 44788	44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	32
PID 44304 wrote to memory of 44788	44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	32
PID 44304 wrote to memory of 44788	44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	32
PID 44304 wrote to memory of 44788	44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	32
PID 44788 wrote to memory of 44960	44788	cmd.exe	34
PID 44788 wrote to memory of 44960	44788	cmd.exe	34
PID 44788 wrote to memory of 44960	44788	cmd.exe	34
PID 44788 wrote to memory of 44960	44788	cmd.exe	34
PID 44304 wrote to memory of 12192	44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	35
PID 44304 wrote to memory of 12192	44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	35
PID 44304 wrote to memory of 12192	44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	35
PID 44304 wrote to memory of 12192	44304	2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe	35
PID 12192 wrote to memory of 9000	12192	csrsll.exe	36
PID 12192 wrote to memory of 9000	12192	csrsll.exe	36
PID 12192 wrote to memory of 9000	12192	csrsll.exe	36
PID 12192 wrote to memory of 9000	12192	csrsll.exe	36
PID 12192 wrote to memory of 9000	12192	csrsll.exe	36
PID 12192 wrote to memory of 9000	12192	csrsll.exe	36
PID 12192 wrote to memory of 9000	12192	csrsll.exe	36
PID 12192 wrote to memory of 9000	12192	csrsll.exe	36
PID 12192 wrote to memory of 9072	12192	csrsll.exe	37
PID 12192 wrote to memory of 9072	12192	csrsll.exe	37
PID 12192 wrote to memory of 9072	12192	csrsll.exe	37
PID 12192 wrote to memory of 9072	12192	csrsll.exe	37
PID 12192 wrote to memory of 9072	12192	csrsll.exe	37
PID 12192 wrote to memory of 9072	12192	csrsll.exe	37
PID 12192 wrote to memory of 9072	12192	csrsll.exe	37
PID 12192 wrote to memory of 9072	12192	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
"C:\Users\Admin\AppData\Local\Temp\2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe
  "C:\Users\Admin\AppData\Local\Temp\2c020319e7a1b13b88cc21b6fd48c8f1604154be3d5dff94b9fecc14cda8a86a.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:44304
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\TWHMR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:44788
  - - 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:44960
- - 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:12192
  - - 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:9000
  - - 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:9072

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\TWHMR.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
83f2559d2ffaa3d60095a622b0fe554b

SHA1
ef5bf287c0a9ff3ce9f71a2bb787f75ac9d73e81

SHA256
572eb792ba842976e6040cb1023aafbf8d247237594108cc711664b490f0721b

SHA512
f3c1864d681bce159722ec3968f0c3cb733c85745098fda311f5915d2b3a3d5d44c07b6b7eb4a47514d8ea9361d83358183e797c31be2919d7e3aa32364195e9

Download Submit
memory/2124-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2124-73929-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2124-42306-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2124-42308-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2124-73919-0x0000000002810000-0x0000000002866000-memory.dmp

Filesize
344KB

Download
memory/2124-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2124-13-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2124-178-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/9000-147862-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/9072-147851-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/9072-147865-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/12192-112377-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/12192-147853-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/12192-73974-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/44304-73922-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/44304-73970-0x0000000003330000-0x0000000003386000-memory.dmp

Filesize
344KB

Download
memory/44304-73930-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/44304-73973-0x0000000003330000-0x0000000003386000-memory.dmp

Filesize
344KB

Download
memory/44304-73972-0x0000000003330000-0x0000000003386000-memory.dmp

Filesize
344KB

Download
memory/44304-73969-0x0000000003330000-0x0000000003386000-memory.dmp

Filesize
344KB

Download
memory/44304-96697-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/44304-104880-0x0000000003330000-0x0000000003386000-memory.dmp

Filesize
344KB

Download
memory/44304-108672-0x0000000003330000-0x0000000003386000-memory.dmp

Filesize
344KB

Download
memory/44304-108695-0x0000000003330000-0x0000000003386000-memory.dmp

Filesize
344KB

Download
memory/44304-73928-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/44304-73927-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/44304-73926-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/44304-147860-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/44304-73925-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/44304-73920-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads