modiloader | eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 19:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe
Size

90KB
MD5

a9d0bdcecc7705a004df7ca590897ca0
SHA1

cac747f89a7162cc27b3fc0875405e4762bd5d59
SHA256

eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0
SHA512

3140c51d36d2c2be9317ddfe82e41989e30ff772732fb5f2ddca8f14c430d4a358fd814fbcf19cf34d409202aba4670344ebb91a93761bb473063f297b0282f2
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/4144-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4144-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4144-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4144-63-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe

Executes dropped EXE 3 IoCs

pid	Process
1728	csrsll.exe
2540	csrsll.exe
4144	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-1-5-21-4089630652-1596403869-279772308-1000\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 4792 set thread context of 3996	4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	82
PID 1728 set thread context of 2540	1728	csrsll.exe	93
PID 1728 set thread context of 4144	1728	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4792-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4792-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3996-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3996-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4792-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3996-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b94-29.dat	upx
behavioral2/memory/1728-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3996-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1728-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1728-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4144-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4144-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4144-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4144-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4144-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1728-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3996-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2540-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4144-63-0x0000000000400000-0x0000000000414000-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	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.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	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe
Token: SeDebugPrivilege	2540	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe
3996	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe
1728	csrsll.exe
2540	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 3996	4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	82
PID 4792 wrote to memory of 3996	4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	82
PID 4792 wrote to memory of 3996	4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	82
PID 4792 wrote to memory of 3996	4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	82
PID 4792 wrote to memory of 3996	4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	82
PID 4792 wrote to memory of 3996	4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	82
PID 4792 wrote to memory of 3996	4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	82
PID 4792 wrote to memory of 3996	4792	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	82
PID 3996 wrote to memory of 4872	3996	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	83
PID 3996 wrote to memory of 4872	3996	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	83
PID 3996 wrote to memory of 4872	3996	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	83
PID 4872 wrote to memory of 1324	4872	cmd.exe	86
PID 4872 wrote to memory of 1324	4872	cmd.exe	86
PID 4872 wrote to memory of 1324	4872	cmd.exe	86
PID 3996 wrote to memory of 1728	3996	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	87
PID 3996 wrote to memory of 1728	3996	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	87
PID 3996 wrote to memory of 1728	3996	eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe	87
PID 1728 wrote to memory of 2540	1728	csrsll.exe	93
PID 1728 wrote to memory of 2540	1728	csrsll.exe	93
PID 1728 wrote to memory of 2540	1728	csrsll.exe	93
PID 1728 wrote to memory of 2540	1728	csrsll.exe	93
PID 1728 wrote to memory of 2540	1728	csrsll.exe	93
PID 1728 wrote to memory of 2540	1728	csrsll.exe	93
PID 1728 wrote to memory of 2540	1728	csrsll.exe	93
PID 1728 wrote to memory of 2540	1728	csrsll.exe	93
PID 1728 wrote to memory of 4144	1728	csrsll.exe	94
PID 1728 wrote to memory of 4144	1728	csrsll.exe	94
PID 1728 wrote to memory of 4144	1728	csrsll.exe	94
PID 1728 wrote to memory of 4144	1728	csrsll.exe	94
PID 1728 wrote to memory of 4144	1728	csrsll.exe	94
PID 1728 wrote to memory of 4144	1728	csrsll.exe	94
PID 1728 wrote to memory of 4144	1728	csrsll.exe	94
PID 1728 wrote to memory of 4144	1728	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe
"C:\Users\Admin\AppData\Local\Temp\eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Users\Admin\AppData\Local\Temp\eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe
  "C:\Users\Admin\AppData\Local\Temp\eb17e8d1308a20695d59c409256fb9e71f6aacc80766201b9b6d89758b6ef9d0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3996
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JBSKG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4872
  - - 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:1324
- - 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:1728
  - - 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:2540
  - - 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:4144

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\JBSKG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
71c0001f57f26b1c55da88ab2fdbf31b

SHA1
4c8be0dfb42d88c0f242fa8ec4424c339fee5e8d

SHA256
8f23ec9d9446e2a56ef62f2fbf257194dcf3a9b32d6cf5bff66a51729fd0a7f0

SHA512
911c2f04c131f96956632a1e8e4f0f0176d4df5e7c8ad25cdcfe8a9589e32d712810ff65f7d94218ad860e97307a611f33e8ddcf1dc607be7360e87bb371b7f1

Download Submit
memory/1728-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1728-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1728-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1728-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2540-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3996-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3996-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3996-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3996-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3996-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4144-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4144-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4144-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4144-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4144-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4144-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4792-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4792-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4792-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/4792-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4792-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4792-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads