modiloader | f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 04:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
Size

300KB
MD5

83ef67bdbe16f0cb8691b5311fdb9804
SHA1

9f75527d3c8ac7fabbe282fe37e817b54877e3ac
SHA256

f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b
SHA512

897f2618e6cb7b62ce21473fd6f467af01e87a5fa04fa87389397a1b8d1bf47b96b92be74cdbea7e2edcefcbbce594a9a558a31846f723f99a753f1bcfe75b47
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38Gl:UsxD5cwohO+O1sVG0/pZ6iPC8X

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/2496-252-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2952	csrsll.exe
3016	csrsll.exe
2496	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.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 2452 set thread context of 2764	2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	30
PID 2952 set thread context of 3016	2952	csrsll.exe	36
PID 2952 set thread context of 2496	2952	csrsll.exe	37

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2764-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2496-242-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2764-241-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-246-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3016-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2496-252-0x0000000000400000-0x0000000000414000-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	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe
Token: SeDebugPrivilege	3016	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
2952	csrsll.exe
3016	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2764	2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	30
PID 2452 wrote to memory of 2764	2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	30
PID 2452 wrote to memory of 2764	2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	30
PID 2452 wrote to memory of 2764	2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	30
PID 2452 wrote to memory of 2764	2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	30
PID 2452 wrote to memory of 2764	2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	30
PID 2452 wrote to memory of 2764	2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	30
PID 2452 wrote to memory of 2764	2452	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	30
PID 2764 wrote to memory of 2960	2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	31
PID 2764 wrote to memory of 2960	2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	31
PID 2764 wrote to memory of 2960	2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	31
PID 2764 wrote to memory of 2960	2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	31
PID 2960 wrote to memory of 2772	2960	cmd.exe	33
PID 2960 wrote to memory of 2772	2960	cmd.exe	33
PID 2960 wrote to memory of 2772	2960	cmd.exe	33
PID 2960 wrote to memory of 2772	2960	cmd.exe	33
PID 2764 wrote to memory of 2952	2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	34
PID 2764 wrote to memory of 2952	2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	34
PID 2764 wrote to memory of 2952	2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	34
PID 2764 wrote to memory of 2952	2764	f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe	34
PID 2952 wrote to memory of 3016	2952	csrsll.exe	36
PID 2952 wrote to memory of 3016	2952	csrsll.exe	36
PID 2952 wrote to memory of 3016	2952	csrsll.exe	36
PID 2952 wrote to memory of 3016	2952	csrsll.exe	36
PID 2952 wrote to memory of 3016	2952	csrsll.exe	36
PID 2952 wrote to memory of 3016	2952	csrsll.exe	36
PID 2952 wrote to memory of 3016	2952	csrsll.exe	36
PID 2952 wrote to memory of 3016	2952	csrsll.exe	36
PID 2952 wrote to memory of 2496	2952	csrsll.exe	37
PID 2952 wrote to memory of 2496	2952	csrsll.exe	37
PID 2952 wrote to memory of 2496	2952	csrsll.exe	37
PID 2952 wrote to memory of 2496	2952	csrsll.exe	37
PID 2952 wrote to memory of 2496	2952	csrsll.exe	37
PID 2952 wrote to memory of 2496	2952	csrsll.exe	37
PID 2952 wrote to memory of 2496	2952	csrsll.exe	37
PID 2952 wrote to memory of 2496	2952	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
"C:\Users\Admin\AppData\Local\Temp\f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe
  "C:\Users\Admin\AppData\Local\Temp\f642c212d3bbd63b26a845825179930ec9d210637f19a90f4c96a24a9141c10b.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\KJWDM.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:2772
- - 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:2952
  - - 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:3016
  - - 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:2496

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\KJWDM.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
c85c9c36f455a685f15f59e8cf8c42a3

SHA1
c3efe963e8a02550f73850305ce1b13950643119

SHA256
c36b7acac4d1f0d153a514518ca1b94a5ec97bc9e106f409930698972e999f4f

SHA512
18bf9c9f50977e2a080f75d2af7143227a2598dfe88ead023d466d0257f476ad5994fcf9b0082090edd99ae5a6208901b401957c694058f12c95db7a8a780618

Download Submit
memory/2452-84-0x00000000023E0000-0x00000000023E2000-memory.dmp

Filesize
8KB

Download
memory/2452-79-0x00000000023D0000-0x00000000023D2000-memory.dmp

Filesize
8KB

Download
memory/2452-27-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2452-39-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2452-90-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/2452-85-0x00000000023F0000-0x00000000023F2000-memory.dmp

Filesize
8KB

Download
memory/2452-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2452-5-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2452-77-0x00000000023D0000-0x00000000023D2000-memory.dmp

Filesize
8KB

Download
memory/2452-69-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2452-59-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2452-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2452-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2496-242-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2496-252-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-246-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-241-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2952-150-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2952-160-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2952-172-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/3016-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads