modiloader | 1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 19:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe
Size

300KB
MD5

2a2fb0ace40e74e6f7d4b9e52cf1e935
SHA1

7e41e0375dde84b2a00817a780f31afed2cffbd6
SHA256

1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c
SHA512

2c8ee5ccf1f16cb5b85e1dfcc3e783d03b90811d61c3cb5bfd6695b816923bc2a048feba68ffcebb87beaaea3d81a0bf35cec2536282aa5907b91b7f0d3d8c64
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38Gq:UsxD5cwohO+O1sVG0/pZ6iPC8I

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 4 IoCs

resource	yara_rule
behavioral2/memory/2272-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2272-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2272-49-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2272-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe

Executes dropped EXE 3 IoCs

pid	Process
2360	csrsll.exe
696	csrsll.exe
2272	csrsll.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-1-5-21-493223053-2004649691-1575712786-1000\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 3532 set thread context of 4544	3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	86
PID 2360 set thread context of 696	2360	csrsll.exe	105
PID 2360 set thread context of 2272	2360	csrsll.exe	106

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4544-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4544-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4544-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4544-37-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2272-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2272-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2272-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2272-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2272-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4544-55-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/696-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2272-58-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe
Token: SeDebugPrivilege	696	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe
4544	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe
2360	csrsll.exe
696	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 4544	3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	86
PID 3532 wrote to memory of 4544	3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	86
PID 3532 wrote to memory of 4544	3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	86
PID 3532 wrote to memory of 4544	3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	86
PID 3532 wrote to memory of 4544	3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	86
PID 3532 wrote to memory of 4544	3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	86
PID 3532 wrote to memory of 4544	3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	86
PID 3532 wrote to memory of 4544	3532	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	86
PID 4544 wrote to memory of 5064	4544	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	89
PID 4544 wrote to memory of 5064	4544	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	89
PID 4544 wrote to memory of 5064	4544	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	89
PID 5064 wrote to memory of 4904	5064	cmd.exe	93
PID 5064 wrote to memory of 4904	5064	cmd.exe	93
PID 5064 wrote to memory of 4904	5064	cmd.exe	93
PID 4544 wrote to memory of 2360	4544	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	94
PID 4544 wrote to memory of 2360	4544	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	94
PID 4544 wrote to memory of 2360	4544	1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe	94
PID 2360 wrote to memory of 696	2360	csrsll.exe	105
PID 2360 wrote to memory of 696	2360	csrsll.exe	105
PID 2360 wrote to memory of 696	2360	csrsll.exe	105
PID 2360 wrote to memory of 696	2360	csrsll.exe	105
PID 2360 wrote to memory of 696	2360	csrsll.exe	105
PID 2360 wrote to memory of 696	2360	csrsll.exe	105
PID 2360 wrote to memory of 696	2360	csrsll.exe	105
PID 2360 wrote to memory of 696	2360	csrsll.exe	105
PID 2360 wrote to memory of 2272	2360	csrsll.exe	106
PID 2360 wrote to memory of 2272	2360	csrsll.exe	106
PID 2360 wrote to memory of 2272	2360	csrsll.exe	106
PID 2360 wrote to memory of 2272	2360	csrsll.exe	106
PID 2360 wrote to memory of 2272	2360	csrsll.exe	106
PID 2360 wrote to memory of 2272	2360	csrsll.exe	106
PID 2360 wrote to memory of 2272	2360	csrsll.exe	106
PID 2360 wrote to memory of 2272	2360	csrsll.exe	106

C:\Users\Admin\AppData\Local\Temp\1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe
"C:\Users\Admin\AppData\Local\Temp\1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Users\Admin\AppData\Local\Temp\1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe
  "C:\Users\Admin\AppData\Local\Temp\1242dc36d510e68b78d4c9602cdd89ec3dbf8e76de61f41ffa62893615e50c7c.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HYPDO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5064
  - - 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:4904
- - 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:2360
  - - 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:696
  - - 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:2272

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

Query Registry

T1012

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\HYPDO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
19b4aa67257d68d32d47c5de114859a0

SHA1
0bf82310c6c60775670abdeb5bc3333caba8ee4d

SHA256
20859ad2b6c7e8121a9865e0285b855e92f0c2cbac81d36f3f249410ecb11711

SHA512
3153a7006e4820a45ee5bc979934bb98df93e58a4890124059fab9f11f0be106b4036b4a68f816318f2bf628bd2f76421b4d8917bf243871089b6860e630a03d

Download Submit
memory/696-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2272-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2272-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2272-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2272-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2272-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2272-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2360-38-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2360-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2360-54-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3532-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3532-5-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/3532-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/3532-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/4544-37-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-55-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads