modiloader | a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 18:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe
Size

90KB
MD5

f8e5514a18c0bc2e41da6d1d05d3f949
SHA1

b844427331996ebbbe46ff60755f82170f91b322
SHA256

a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26
SHA512

96335bd62a0e5e0f2162c0264a41217d09fc08830b5ef93f317e2368a7534b06c4090a1a08c32f0d10b4df70229c1dcedbacc9fbf4b2c5553e629726973d4057
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDm:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3c

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/1792-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1892	csrsll.exe
3004	csrsll.exe
1792	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe
2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe
2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe
2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe
2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.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 2440 set thread context of 2856	2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	30
PID 1892 set thread context of 3004	1892	csrsll.exe	36
PID 1892 set thread context of 1792	1892	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2440-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2440-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2440-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2856-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2856-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2856-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2440-107-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2856-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2440-101-0x0000000002610000-0x0000000002663000-memory.dmp	upx
behavioral1/memory/2856-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2856-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0008000000012101-132.dat	upx
behavioral1/memory/2856-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1892-226-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2856-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1892-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1792-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/3004-248-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3004-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1792-257-0x0000000000400000-0x0000000000414000-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	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.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	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe
Token: SeDebugPrivilege	3004	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe
2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe
1892	csrsll.exe
3004	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2856	2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	30
PID 2440 wrote to memory of 2856	2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	30
PID 2440 wrote to memory of 2856	2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	30
PID 2440 wrote to memory of 2856	2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	30
PID 2440 wrote to memory of 2856	2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	30
PID 2440 wrote to memory of 2856	2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	30
PID 2440 wrote to memory of 2856	2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	30
PID 2440 wrote to memory of 2856	2440	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	30
PID 2856 wrote to memory of 1592	2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	31
PID 2856 wrote to memory of 1592	2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	31
PID 2856 wrote to memory of 1592	2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	31
PID 2856 wrote to memory of 1592	2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	31
PID 1592 wrote to memory of 952	1592	cmd.exe	33
PID 1592 wrote to memory of 952	1592	cmd.exe	33
PID 1592 wrote to memory of 952	1592	cmd.exe	33
PID 1592 wrote to memory of 952	1592	cmd.exe	33
PID 2856 wrote to memory of 1892	2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	34
PID 2856 wrote to memory of 1892	2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	34
PID 2856 wrote to memory of 1892	2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	34
PID 2856 wrote to memory of 1892	2856	a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe	34
PID 1892 wrote to memory of 3004	1892	csrsll.exe	36
PID 1892 wrote to memory of 3004	1892	csrsll.exe	36
PID 1892 wrote to memory of 3004	1892	csrsll.exe	36
PID 1892 wrote to memory of 3004	1892	csrsll.exe	36
PID 1892 wrote to memory of 3004	1892	csrsll.exe	36
PID 1892 wrote to memory of 3004	1892	csrsll.exe	36
PID 1892 wrote to memory of 3004	1892	csrsll.exe	36
PID 1892 wrote to memory of 3004	1892	csrsll.exe	36
PID 1892 wrote to memory of 1792	1892	csrsll.exe	37
PID 1892 wrote to memory of 1792	1892	csrsll.exe	37
PID 1892 wrote to memory of 1792	1892	csrsll.exe	37
PID 1892 wrote to memory of 1792	1892	csrsll.exe	37
PID 1892 wrote to memory of 1792	1892	csrsll.exe	37
PID 1892 wrote to memory of 1792	1892	csrsll.exe	37
PID 1892 wrote to memory of 1792	1892	csrsll.exe	37
PID 1892 wrote to memory of 1792	1892	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe
"C:\Users\Admin\AppData\Local\Temp\a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe
  "C:\Users\Admin\AppData\Local\Temp\a198448e35980ad99cc82485178d3dff209cd0c903184ba64edc839a04b36d26.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\YMNIG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1592
  - - 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:952
- - 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:1892
  - - 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:3004
  - - 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:1792

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\YMNIG.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
86d097b3dc84344b309fc133ad1f5b60

SHA1
03a3cc0e80a9584420d1515f98e1c1be62d28802

SHA256
6e5ba85c8757d316689afe326e326fbdf00ffd4662cf3be7d82fe961c62e5c3c

SHA512
8ec3383d8bcd42bc3b33adf41da26ebfa1a42edbe3265454e1ffa9c3a234dfd428d36ff401079475f9d795f9ca6e86bd97f0cbe5a939d2123862092ab5f0bb2c

Download Submit
memory/1792-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1792-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1892-154-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1892-164-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1892-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1892-226-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1892-175-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2440-71-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2440-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2440-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2440-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2440-17-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2440-107-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2440-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2440-101-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2440-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2440-61-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2440-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2440-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2440-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2440-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2856-147-0x00000000032A0000-0x00000000032F3000-memory.dmp

Filesize
332KB

Download
memory/2856-244-0x00000000032A0000-0x00000000032F3000-memory.dmp

Filesize
332KB

Download
memory/2856-146-0x00000000032A0000-0x00000000032F3000-memory.dmp

Filesize
332KB

Download
memory/2856-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-225-0x00000000032A0000-0x00000000032F3000-memory.dmp

Filesize
332KB

Download
memory/2856-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3004-248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads