modiloader | 678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 00:48

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General

Target

678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
Size

90KB
MD5

53b62972bc6236b5d7c58d21503d3159
SHA1

c2bd5d71d6115ef9907dbc39a0be924cc13610ef
SHA256

678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387
SHA512

565e0c4f26188cf46e12e09beb54330e025d13267bb6431dea84c92f3a423376a94e23b0f2b51787e04bef087d9ea9209e8437fac59bff65a685515b66666d81
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDJ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE37

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/900-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
3040	csrsll.exe
1504	csrsll.exe
900	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.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-1-5-21-2039016743-699959520-214465309-1000\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 2996 set thread context of 1856	2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	30
PID 3040 set thread context of 1504	3040	csrsll.exe	35
PID 3040 set thread context of 900	3040	csrsll.exe	36

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2996-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2996-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2996-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1856-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2996-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1856-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1856-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1856-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1856-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1856-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0031000000017021-131.dat	upx
behavioral1/memory/3040-148-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1856-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3040-202-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/900-245-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1856-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3040-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1504-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/900-258-0x0000000000400000-0x0000000000414000-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	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.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	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe
Token: SeDebugPrivilege	1504	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
3040	csrsll.exe
1504	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 1856	2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	30
PID 2996 wrote to memory of 1856	2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	30
PID 2996 wrote to memory of 1856	2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	30
PID 2996 wrote to memory of 1856	2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	30
PID 2996 wrote to memory of 1856	2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	30
PID 2996 wrote to memory of 1856	2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	30
PID 2996 wrote to memory of 1856	2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	30
PID 2996 wrote to memory of 1856	2996	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	30
PID 1856 wrote to memory of 2280	1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	31
PID 1856 wrote to memory of 2280	1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	31
PID 1856 wrote to memory of 2280	1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	31
PID 1856 wrote to memory of 2280	1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	31
PID 2280 wrote to memory of 2792	2280	cmd.exe	33
PID 2280 wrote to memory of 2792	2280	cmd.exe	33
PID 2280 wrote to memory of 2792	2280	cmd.exe	33
PID 2280 wrote to memory of 2792	2280	cmd.exe	33
PID 1856 wrote to memory of 3040	1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	34
PID 1856 wrote to memory of 3040	1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	34
PID 1856 wrote to memory of 3040	1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	34
PID 1856 wrote to memory of 3040	1856	678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe	34
PID 3040 wrote to memory of 1504	3040	csrsll.exe	35
PID 3040 wrote to memory of 1504	3040	csrsll.exe	35
PID 3040 wrote to memory of 1504	3040	csrsll.exe	35
PID 3040 wrote to memory of 1504	3040	csrsll.exe	35
PID 3040 wrote to memory of 1504	3040	csrsll.exe	35
PID 3040 wrote to memory of 1504	3040	csrsll.exe	35
PID 3040 wrote to memory of 1504	3040	csrsll.exe	35
PID 3040 wrote to memory of 1504	3040	csrsll.exe	35
PID 3040 wrote to memory of 900	3040	csrsll.exe	36
PID 3040 wrote to memory of 900	3040	csrsll.exe	36
PID 3040 wrote to memory of 900	3040	csrsll.exe	36
PID 3040 wrote to memory of 900	3040	csrsll.exe	36
PID 3040 wrote to memory of 900	3040	csrsll.exe	36
PID 3040 wrote to memory of 900	3040	csrsll.exe	36
PID 3040 wrote to memory of 900	3040	csrsll.exe	36
PID 3040 wrote to memory of 900	3040	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
"C:\Users\Admin\AppData\Local\Temp\678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Users\Admin\AppData\Local\Temp\678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe
  "C:\Users\Admin\AppData\Local\Temp\678b59032026b1ee8def37de26ac2561aa6c35d13f3516f276abbebd13777387.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\CWBXL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2280
  - - 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:2792
- - 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:3040
  - - 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:1504
  - - 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:900

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\CWBXL.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c8c30999366d2185c181ce72e6276116

SHA1
0bd00aadf106980691ed204e776e76b9add52909

SHA256
6e5fec5be7f0dc2bddf03f284d9071a8f5e9f115f7ec064151f6952c7eb3017c

SHA512
a65bd2ebb338c7bdc0036470b3ed3f7204fe09a15150203a49d95eee64964d6b203989525e06a4f0871a0da9a183da8c239488112ad99555f9ea78b041da0da3

Download Submit
memory/900-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/900-245-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1504-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-238-0x0000000003440000-0x0000000003493000-memory.dmp

Filesize
332KB

Download
memory/1856-145-0x0000000003440000-0x0000000003493000-memory.dmp

Filesize
332KB

Download
memory/1856-146-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/1856-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2996-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-103-0x0000000001E70000-0x0000000001EC3000-memory.dmp

Filesize
332KB

Download
memory/2996-71-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2996-41-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2996-14-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2996-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2996-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2996-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2996-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2996-16-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2996-61-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/3040-175-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/3040-202-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3040-164-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/3040-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3040-154-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3040-148-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads