modiloader | 00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 22:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe
Size

90KB
MD5

8b90a87c0454f52ee37ebc73b7876486
SHA1

9ea9aaeda7fd0702df306205f7e90d5dee6570cc
SHA256

00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc
SHA512

8c744e27670616d1e4ee79cc528260449245b6f7d38871d7e5b17cd807d1ba064856f3dca333b25a9c25688b6889b0959850ffc0faf142fcec10ebb0d886778f
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD5:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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/1336-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1728	csrsll.exe
2440	csrsll.exe
1336	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe
2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe
2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe
2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe
2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.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-1-5-21-312935884-697965778-3955649944-1000\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 1976 set thread context of 2780	1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	30
PID 1728 set thread context of 2440	1728	csrsll.exe	36
PID 1728 set thread context of 1336	1728	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1976-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1976-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1976-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1976-96-0x0000000001CD0000-0x0000000001D23000-memory.dmp	upx
behavioral1/memory/2780-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2780-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2780-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2780-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2780-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1976-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2780-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0009000000012102-131.dat	upx
behavioral1/memory/2780-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1728-227-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2780-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1728-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1336-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2440-250-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2440-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1336-263-0x0000000000400000-0x0000000000414000-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	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe
Token: SeDebugPrivilege	2440	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe
2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe
1728	csrsll.exe
2440	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2780	1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	30
PID 1976 wrote to memory of 2780	1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	30
PID 1976 wrote to memory of 2780	1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	30
PID 1976 wrote to memory of 2780	1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	30
PID 1976 wrote to memory of 2780	1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	30
PID 1976 wrote to memory of 2780	1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	30
PID 1976 wrote to memory of 2780	1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	30
PID 1976 wrote to memory of 2780	1976	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	30
PID 2780 wrote to memory of 1956	2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	31
PID 2780 wrote to memory of 1956	2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	31
PID 2780 wrote to memory of 1956	2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	31
PID 2780 wrote to memory of 1956	2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	31
PID 1956 wrote to memory of 1096	1956	cmd.exe	33
PID 1956 wrote to memory of 1096	1956	cmd.exe	33
PID 1956 wrote to memory of 1096	1956	cmd.exe	33
PID 1956 wrote to memory of 1096	1956	cmd.exe	33
PID 2780 wrote to memory of 1728	2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	34
PID 2780 wrote to memory of 1728	2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	34
PID 2780 wrote to memory of 1728	2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	34
PID 2780 wrote to memory of 1728	2780	00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe	34
PID 1728 wrote to memory of 2440	1728	csrsll.exe	36
PID 1728 wrote to memory of 2440	1728	csrsll.exe	36
PID 1728 wrote to memory of 2440	1728	csrsll.exe	36
PID 1728 wrote to memory of 2440	1728	csrsll.exe	36
PID 1728 wrote to memory of 2440	1728	csrsll.exe	36
PID 1728 wrote to memory of 2440	1728	csrsll.exe	36
PID 1728 wrote to memory of 2440	1728	csrsll.exe	36
PID 1728 wrote to memory of 2440	1728	csrsll.exe	36
PID 1728 wrote to memory of 1336	1728	csrsll.exe	37
PID 1728 wrote to memory of 1336	1728	csrsll.exe	37
PID 1728 wrote to memory of 1336	1728	csrsll.exe	37
PID 1728 wrote to memory of 1336	1728	csrsll.exe	37
PID 1728 wrote to memory of 1336	1728	csrsll.exe	37
PID 1728 wrote to memory of 1336	1728	csrsll.exe	37
PID 1728 wrote to memory of 1336	1728	csrsll.exe	37
PID 1728 wrote to memory of 1336	1728	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe
"C:\Users\Admin\AppData\Local\Temp\00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe
  "C:\Users\Admin\AppData\Local\Temp\00281ca34bc7e67168c34e429e4d893d366159c54f29c5faa306ddc3729035bc.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\JOKKW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1956
  - - 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:1096
- - 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:2440
  - - 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:1336

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\JOKKW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e94e4150c3a267751bbccf4c36ca8265

SHA1
53a65e3387c74479206b560f9c76f0276dfcdc56

SHA256
a3dc8212707ed77afed5970283983e946d42726dad25198adf48a3ef4121937d

SHA512
220cf63f326996757f4ac2c9b6f7c78c9a0dd50e0dcf9ea9b4db2c2213b36cd632423df6c94fc61b8529ece0695037d639c4f76620604c643167fc47bd0b7bbe

Download Submit
memory/1336-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1336-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1728-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1728-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1728-227-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1728-176-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1728-165-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1976-79-0x0000000000330000-0x0000000000332000-memory.dmp

Filesize
8KB

Download
memory/1976-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1976-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1976-96-0x0000000001CD0000-0x0000000001D23000-memory.dmp

Filesize
332KB

Download
memory/1976-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1976-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1976-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1976-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1976-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1976-19-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1976-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1976-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1976-61-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1976-71-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2440-250-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-146-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2780-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-145-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2780-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-148-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2780-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-226-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2780-245-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2780-147-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2780-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-249-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2780-244-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2780-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads