modiloader | 6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec

Analysis

max time kernel
119s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 06:58

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General

Target

6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
Size

90KB
MD5

c3c2c019abaec32d996322e35b458819
SHA1

9bf9a9fb14feed05180c8421d7af823968b8d7aa
SHA256

6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec
SHA512

597824582e7f38e5e6636164db8cc0de5fed5da58e2d32d567cb32eb2e4e872f48212ba4d041075c2b75650743b1a9d1094bc5deafe15d7dcd00a137c06573a8
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDT:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3x

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/3064-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2872	csrsll.exe
820	csrsll.exe
3064	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.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 2608 set thread context of 3028	2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	31
PID 2872 set thread context of 820	2872	csrsll.exe	36
PID 2872 set thread context of 3064	2872	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2608-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3028-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3028-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3028-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3028-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3028-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3028-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-131.dat	upx
behavioral1/memory/2872-148-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3028-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2872-220-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/820-239-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3064-245-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2872-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3028-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/820-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3064-258-0x0000000000400000-0x0000000000414000-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	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.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	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe
Token: SeDebugPrivilege	820	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
2872	csrsll.exe
820	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 3028	2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	31
PID 2608 wrote to memory of 3028	2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	31
PID 2608 wrote to memory of 3028	2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	31
PID 2608 wrote to memory of 3028	2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	31
PID 2608 wrote to memory of 3028	2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	31
PID 2608 wrote to memory of 3028	2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	31
PID 2608 wrote to memory of 3028	2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	31
PID 2608 wrote to memory of 3028	2608	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	31
PID 3028 wrote to memory of 2960	3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	32
PID 3028 wrote to memory of 2960	3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	32
PID 3028 wrote to memory of 2960	3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	32
PID 3028 wrote to memory of 2960	3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	32
PID 2960 wrote to memory of 2704	2960	cmd.exe	34
PID 2960 wrote to memory of 2704	2960	cmd.exe	34
PID 2960 wrote to memory of 2704	2960	cmd.exe	34
PID 2960 wrote to memory of 2704	2960	cmd.exe	34
PID 3028 wrote to memory of 2872	3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	35
PID 3028 wrote to memory of 2872	3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	35
PID 3028 wrote to memory of 2872	3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	35
PID 3028 wrote to memory of 2872	3028	6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe	35
PID 2872 wrote to memory of 820	2872	csrsll.exe	36
PID 2872 wrote to memory of 820	2872	csrsll.exe	36
PID 2872 wrote to memory of 820	2872	csrsll.exe	36
PID 2872 wrote to memory of 820	2872	csrsll.exe	36
PID 2872 wrote to memory of 820	2872	csrsll.exe	36
PID 2872 wrote to memory of 820	2872	csrsll.exe	36
PID 2872 wrote to memory of 820	2872	csrsll.exe	36
PID 2872 wrote to memory of 820	2872	csrsll.exe	36
PID 2872 wrote to memory of 3064	2872	csrsll.exe	37
PID 2872 wrote to memory of 3064	2872	csrsll.exe	37
PID 2872 wrote to memory of 3064	2872	csrsll.exe	37
PID 2872 wrote to memory of 3064	2872	csrsll.exe	37
PID 2872 wrote to memory of 3064	2872	csrsll.exe	37
PID 2872 wrote to memory of 3064	2872	csrsll.exe	37
PID 2872 wrote to memory of 3064	2872	csrsll.exe	37
PID 2872 wrote to memory of 3064	2872	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
"C:\Users\Admin\AppData\Local\Temp\6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Temp\6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe
  "C:\Users\Admin\AppData\Local\Temp\6f3a7815f9cae10106026d9f35bd2e1473b7b31980e4d54d33feeebf26cb15ec.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\QBAEW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2960
  - - 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:2704
- - 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:2872
  - - 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:820
  - - 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:3064

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\QBAEW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1c1bf8d4518f55180165b680ece0fde6

SHA1
147fc692e024fa1d0799e1289a017eb7b8ae4bb2

SHA256
bb5f7f121b4347a2e5352bfb18f285cd83f884ee1faa3aa6ea5448059befca5f

SHA512
f0e1090551e013da8028f0e277aa4d6d1c6f0608fac2d299a0e49704ba8035b862cab2d485f2fb6594481557f6f4226b1e3ed56f0d7db79160253a0e4334b683

Download Submit
memory/820-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/820-239-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2608-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2608-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2608-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2608-79-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2608-71-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2608-16-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2608-103-0x00000000025D0000-0x0000000002623000-memory.dmp

Filesize
332KB

Download
memory/2608-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2608-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2608-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2608-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2608-61-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2608-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2872-220-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2872-175-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2872-154-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2872-164-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2872-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2872-148-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3028-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3028-211-0x0000000003110000-0x0000000003163000-memory.dmp

Filesize
332KB

Download
memory/3028-145-0x0000000003110000-0x0000000003163000-memory.dmp

Filesize
332KB

Download
memory/3028-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3028-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3028-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3028-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3028-146-0x0000000003110000-0x0000000003163000-memory.dmp

Filesize
332KB

Download
memory/3028-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3028-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3028-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3028-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3028-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3064-245-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3064-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads