modiloader | 34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 04:42

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General

Target

34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe
Size

90KB
MD5

270a43969d1542477caa027931908050
SHA1

13e67fbe0ba59f08b487bdbc6d58d32a1322e402
SHA256

34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d
SHA512

b6bfecdb1852cfdacfae0eb5429f94b25b6e794b8c3dc90eb408eb7c1eb863751d0e914fa87b8cf78367040983d3d2715a862b5c58fe338725bad7395628343b
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDq:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3o

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/2972-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2972-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2972-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2972-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe

Executes dropped EXE 3 IoCs

pid	Process
2936	csrsll.exe
1108	csrsll.exe
2972	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-1-5-21-2437139445-1151884604-3026847218-1000\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 4728 set thread context of 2500	4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	92
PID 2936 set thread context of 1108	2936	csrsll.exe	103
PID 2936 set thread context of 2972	2936	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4728-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4728-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2500-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2500-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4728-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2500-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023ca1-29.dat	upx
behavioral2/memory/2936-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2500-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2936-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2936-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2972-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2972-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2936-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2972-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2972-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2972-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2500-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1108-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2972-61-0x0000000000400000-0x0000000000414000-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	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.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	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe
Token: SeDebugPrivilege	1108	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe
2500	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe
2936	csrsll.exe
1108	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 2500	4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	92
PID 4728 wrote to memory of 2500	4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	92
PID 4728 wrote to memory of 2500	4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	92
PID 4728 wrote to memory of 2500	4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	92
PID 4728 wrote to memory of 2500	4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	92
PID 4728 wrote to memory of 2500	4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	92
PID 4728 wrote to memory of 2500	4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	92
PID 4728 wrote to memory of 2500	4728	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	92
PID 2500 wrote to memory of 4296	2500	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	97
PID 2500 wrote to memory of 4296	2500	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	97
PID 2500 wrote to memory of 4296	2500	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	97
PID 4296 wrote to memory of 5100	4296	cmd.exe	101
PID 4296 wrote to memory of 5100	4296	cmd.exe	101
PID 4296 wrote to memory of 5100	4296	cmd.exe	101
PID 2500 wrote to memory of 2936	2500	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	102
PID 2500 wrote to memory of 2936	2500	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	102
PID 2500 wrote to memory of 2936	2500	34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe	102
PID 2936 wrote to memory of 1108	2936	csrsll.exe	103
PID 2936 wrote to memory of 1108	2936	csrsll.exe	103
PID 2936 wrote to memory of 1108	2936	csrsll.exe	103
PID 2936 wrote to memory of 1108	2936	csrsll.exe	103
PID 2936 wrote to memory of 1108	2936	csrsll.exe	103
PID 2936 wrote to memory of 1108	2936	csrsll.exe	103
PID 2936 wrote to memory of 1108	2936	csrsll.exe	103
PID 2936 wrote to memory of 1108	2936	csrsll.exe	103
PID 2936 wrote to memory of 2972	2936	csrsll.exe	104
PID 2936 wrote to memory of 2972	2936	csrsll.exe	104
PID 2936 wrote to memory of 2972	2936	csrsll.exe	104
PID 2936 wrote to memory of 2972	2936	csrsll.exe	104
PID 2936 wrote to memory of 2972	2936	csrsll.exe	104
PID 2936 wrote to memory of 2972	2936	csrsll.exe	104
PID 2936 wrote to memory of 2972	2936	csrsll.exe	104
PID 2936 wrote to memory of 2972	2936	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe
"C:\Users\Admin\AppData\Local\Temp\34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Users\Admin\AppData\Local\Temp\34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe
  "C:\Users\Admin\AppData\Local\Temp\34e1aaaeddf3c023209707c6a1aeb4ef31638ce67427a86d975688ad9696c35d.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MKOJR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4296
  - - 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:5100
- - 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:2936
  - - 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:1108
  - - 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:2972

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\MKOJR.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ff5f989a9f83b3df649fd260125b6069

SHA1
02d5cb2dce5a6933c09ca4e87d00c6020a1de38f

SHA256
bb5d54c2f8efbd886ba1ad63505bd59e9eb5ae7122cb0947609b08d1ec479c29

SHA512
4931e6649259398ef28e0bd4fd4a381e2777d6ea10104dcad911bcfd0db00173bbbf6a1c8782eaf3e087f5bdf699904063a627bc59278dbf7e9a75150cd72c13

Download Submit
memory/1108-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2500-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2500-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2500-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2500-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2500-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2500-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2936-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2936-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2936-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2936-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2972-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2972-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2972-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2972-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2972-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2972-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4728-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4728-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4728-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4728-5-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/4728-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4728-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads