modiloader | 388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/12/2024, 06:56

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General

Target

388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
Size

90KB
MD5

e4c64bb23f224f2056e5626b29cbefd9
SHA1

9f6b7601465cdf63eeeca033b78400e12526804e
SHA256

388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5
SHA512

a9f43fad2fbbda78ac2699f2c8cfc6ac0c0e7116efe01b26b33a196a9c456c3ed9acc794bcc1235ee716b075b7110048804e189eb33ac154bf38bec6ebc10a44
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDd: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 1 IoCs

resource	yara_rule
behavioral1/memory/1620-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
308	csrsll.exe
1808	csrsll.exe
1620	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.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-1-5-21-3290804112-2823094203-3137964600-1000\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 2816 set thread context of 2632	2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	31
PID 308 set thread context of 1808	308	csrsll.exe	36
PID 308 set thread context of 1620	308	csrsll.exe	37

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2816-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2816-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2816-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2632-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2632-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2632-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2632-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2632-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2816-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2632-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0033000000019382-147.dat	upx
behavioral1/memory/2632-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/308-215-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1620-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/308-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2632-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1808-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1620-259-0x0000000000400000-0x0000000000414000-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	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.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	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe
Token: SeDebugPrivilege	1808	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
308	csrsll.exe
1808	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2632	2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	31
PID 2816 wrote to memory of 2632	2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	31
PID 2816 wrote to memory of 2632	2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	31
PID 2816 wrote to memory of 2632	2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	31
PID 2816 wrote to memory of 2632	2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	31
PID 2816 wrote to memory of 2632	2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	31
PID 2816 wrote to memory of 2632	2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	31
PID 2816 wrote to memory of 2632	2816	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	31
PID 2632 wrote to memory of 2280	2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	32
PID 2632 wrote to memory of 2280	2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	32
PID 2632 wrote to memory of 2280	2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	32
PID 2632 wrote to memory of 2280	2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	32
PID 2280 wrote to memory of 1856	2280	cmd.exe	34
PID 2280 wrote to memory of 1856	2280	cmd.exe	34
PID 2280 wrote to memory of 1856	2280	cmd.exe	34
PID 2280 wrote to memory of 1856	2280	cmd.exe	34
PID 2632 wrote to memory of 308	2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	35
PID 2632 wrote to memory of 308	2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	35
PID 2632 wrote to memory of 308	2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	35
PID 2632 wrote to memory of 308	2632	388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe	35
PID 308 wrote to memory of 1808	308	csrsll.exe	36
PID 308 wrote to memory of 1808	308	csrsll.exe	36
PID 308 wrote to memory of 1808	308	csrsll.exe	36
PID 308 wrote to memory of 1808	308	csrsll.exe	36
PID 308 wrote to memory of 1808	308	csrsll.exe	36
PID 308 wrote to memory of 1808	308	csrsll.exe	36
PID 308 wrote to memory of 1808	308	csrsll.exe	36
PID 308 wrote to memory of 1808	308	csrsll.exe	36
PID 308 wrote to memory of 1620	308	csrsll.exe	37
PID 308 wrote to memory of 1620	308	csrsll.exe	37
PID 308 wrote to memory of 1620	308	csrsll.exe	37
PID 308 wrote to memory of 1620	308	csrsll.exe	37
PID 308 wrote to memory of 1620	308	csrsll.exe	37
PID 308 wrote to memory of 1620	308	csrsll.exe	37
PID 308 wrote to memory of 1620	308	csrsll.exe	37
PID 308 wrote to memory of 1620	308	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
"C:\Users\Admin\AppData\Local\Temp\388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe
  "C:\Users\Admin\AppData\Local\Temp\388205c1b075554005c54cdc4c6950f8ccf46bc4057a1b06165c7b4afc9712e5.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SKTPK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2280
  - - 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:1856
- - 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:308
  - - 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:1808
  - - 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:1620

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
cec4b4e400a25455e1873c44572d1457

SHA1
ecbc373f90e7832d38f9a2bbcc571ccf93bf5463

SHA256
b97767cfefd50463a7941491f08d763ce228370c5270ee1f7e121f049b120f8a

SHA512
cac83a7c071fb6b4e33a35d9cf444e0be65cc74d1793ca1c159a87b672cde98204416d2df541d155fccbd4a1011e6e8575bac7b8cfb119f4de0800437744d50f

Download Submit
memory/308-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/308-163-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/308-215-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/308-174-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/308-153-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1620-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1620-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1808-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-145-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2632-238-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2632-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-240-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2632-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-210-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2632-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-146-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/2816-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2816-61-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2816-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2816-29-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2816-41-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2816-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/2816-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2816-16-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2816-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2816-90-0x00000000023E0000-0x0000000002433000-memory.dmp

Filesize
332KB

Download
memory/2816-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2816-71-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2816-5-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2816-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads