modiloader | 01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2

Analysis

max time kernel
118s
max time network
17s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
13-11-2024 08:31

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General

Target

01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
Size

326KB
MD5

673481a588ed00a0c51152ad649a753d
SHA1

cf51cbc0101549b3aebcf17bb2d75a6af6542dc0
SHA256

01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2
SHA512

b0ee3ea7df2257e5bc6b517851f4fdc9c8283263cb2b3f49aca44aa8fdfeb7cf7c1cd38bf48eb5811565c882ba91dd2d0f76e97339f3feb5e05400b73c13a9c4
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVW:csxD5cwohO+O1sVG0/pZ6iPC8B

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/1220-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
320	csrsll.exe
996	csrsll.exe
1220	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.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-1-5-21-1163522206-1469769407-485553996-1000\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 1676 set thread context of 2732	1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	30
PID 320 set thread context of 996	320	csrsll.exe	36
PID 320 set thread context of 1220	320	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1676-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1676-88-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1676-81-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1676-78-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1676-91-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2732-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2732-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1676-105-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2732-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2732-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2732-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2732-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d000000012281-152.dat	upx
behavioral1/memory/2732-147-0x0000000003210000-0x0000000003264000-memory.dmp	upx
behavioral1/memory/320-153-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2732-156-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/320-215-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1220-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/320-258-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2732-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/996-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1220-263-0x0000000000400000-0x0000000000414000-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	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.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	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe
Token: SeDebugPrivilege	996	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
320	csrsll.exe
996	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 2732	1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	30
PID 1676 wrote to memory of 2732	1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	30
PID 1676 wrote to memory of 2732	1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	30
PID 1676 wrote to memory of 2732	1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	30
PID 1676 wrote to memory of 2732	1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	30
PID 1676 wrote to memory of 2732	1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	30
PID 1676 wrote to memory of 2732	1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	30
PID 1676 wrote to memory of 2732	1676	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	30
PID 2732 wrote to memory of 816	2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	31
PID 2732 wrote to memory of 816	2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	31
PID 2732 wrote to memory of 816	2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	31
PID 2732 wrote to memory of 816	2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	31
PID 816 wrote to memory of 1968	816	cmd.exe	33
PID 816 wrote to memory of 1968	816	cmd.exe	33
PID 816 wrote to memory of 1968	816	cmd.exe	33
PID 816 wrote to memory of 1968	816	cmd.exe	33
PID 2732 wrote to memory of 320	2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	34
PID 2732 wrote to memory of 320	2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	34
PID 2732 wrote to memory of 320	2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	34
PID 2732 wrote to memory of 320	2732	01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe	34
PID 320 wrote to memory of 996	320	csrsll.exe	36
PID 320 wrote to memory of 996	320	csrsll.exe	36
PID 320 wrote to memory of 996	320	csrsll.exe	36
PID 320 wrote to memory of 996	320	csrsll.exe	36
PID 320 wrote to memory of 996	320	csrsll.exe	36
PID 320 wrote to memory of 996	320	csrsll.exe	36
PID 320 wrote to memory of 996	320	csrsll.exe	36
PID 320 wrote to memory of 996	320	csrsll.exe	36
PID 320 wrote to memory of 1220	320	csrsll.exe	37
PID 320 wrote to memory of 1220	320	csrsll.exe	37
PID 320 wrote to memory of 1220	320	csrsll.exe	37
PID 320 wrote to memory of 1220	320	csrsll.exe	37
PID 320 wrote to memory of 1220	320	csrsll.exe	37
PID 320 wrote to memory of 1220	320	csrsll.exe	37
PID 320 wrote to memory of 1220	320	csrsll.exe	37
PID 320 wrote to memory of 1220	320	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
"C:\Users\Admin\AppData\Local\Temp\01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Users\Admin\AppData\Local\Temp\01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe
  "C:\Users\Admin\AppData\Local\Temp\01eb0c65dea2550f193a29a5676a9845e29243284763670a1a776ea451a780c2.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SKTQK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:816
  - - 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:1968
- - 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:320
  - - 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:996
  - - 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:1220

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\SKTQK.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
e4aea6e6def9205d144ca61733c278f5

SHA1
958e7ab3f026a0eff109dd2a3106b561aff59ac9

SHA256
586f8424ab0d9929c54aea14618ee4e8d1f020cc08636b0578f11d15e77fff63

SHA512
8afa016fc6e4627ebdf19bbed1392d749f77f32797faf0cc6c2e6d963cb02edf50a0b63bc56b676ae1d6b97bf11b393dce3a97856ee1be01e6613ddec212ba7b

Download Submit
memory/320-258-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/320-180-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/320-215-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/320-188-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/320-169-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/320-159-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/320-153-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/996-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1220-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1220-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1676-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1676-91-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1676-102-0x00000000023E0000-0x0000000002434000-memory.dmp

Filesize
336KB

Download
memory/1676-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1676-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1676-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1676-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1676-88-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1676-70-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1676-60-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1676-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1676-28-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1676-105-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1676-81-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1676-79-0x0000000000370000-0x0000000000372000-memory.dmp

Filesize
8KB

Download
memory/1676-78-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2732-148-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/2732-214-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/2732-147-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/2732-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-156-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-149-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/2732-150-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/2732-151-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/2732-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-254-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/2732-252-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/2732-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-251-0x0000000003210000-0x0000000003264000-memory.dmp

Filesize
336KB

Download
memory/2732-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2732-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads