modiloader | 073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 11:08

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General

Target

073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
Size

90KB
MD5

dca6bba0b06c06d69a50d2c517513361
SHA1

26dd7b576ecb39c746cf7e831968a61de5a455d2
SHA256

073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e
SHA512

1f517c2952c3f4b84734a1e8221bdb150a8da9309ca8e3ae8a5bbc3a311e900fbf2bd1935d3e5aa6c5a72e7c169737d17c3e6bd90a6775dcf3846d7d33f75f19
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDG:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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/1132-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1712	csrsll.exe
1384	csrsll.exe
1132	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.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-1-5-21-3063565911-2056067323-3330884624-1000\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 2316 set thread context of 2944	2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	30
PID 1712 set thread context of 1384	1712	csrsll.exe	35
PID 1712 set thread context of 1132	1712	csrsll.exe	36

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2316-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2316-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2316-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2944-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2316-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2944-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-145-0x0000000003490000-0x00000000034E3000-memory.dmp	upx
behavioral1/files/0x00090000000120f6-143.dat	upx
behavioral1/memory/1712-147-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2944-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1712-210-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1132-244-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1712-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1712-243-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1384-237-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1384-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1132-258-0x0000000000400000-0x0000000000414000-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	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.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	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe
Token: SeDebugPrivilege	1384	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
1712	csrsll.exe
1384	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2944	2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	30
PID 2316 wrote to memory of 2944	2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	30
PID 2316 wrote to memory of 2944	2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	30
PID 2316 wrote to memory of 2944	2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	30
PID 2316 wrote to memory of 2944	2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	30
PID 2316 wrote to memory of 2944	2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	30
PID 2316 wrote to memory of 2944	2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	30
PID 2316 wrote to memory of 2944	2316	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	30
PID 2944 wrote to memory of 1936	2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	31
PID 2944 wrote to memory of 1936	2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	31
PID 2944 wrote to memory of 1936	2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	31
PID 2944 wrote to memory of 1936	2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	31
PID 1936 wrote to memory of 2848	1936	cmd.exe	33
PID 1936 wrote to memory of 2848	1936	cmd.exe	33
PID 1936 wrote to memory of 2848	1936	cmd.exe	33
PID 1936 wrote to memory of 2848	1936	cmd.exe	33
PID 2944 wrote to memory of 1712	2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	34
PID 2944 wrote to memory of 1712	2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	34
PID 2944 wrote to memory of 1712	2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	34
PID 2944 wrote to memory of 1712	2944	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	34
PID 1712 wrote to memory of 1384	1712	csrsll.exe	35
PID 1712 wrote to memory of 1384	1712	csrsll.exe	35
PID 1712 wrote to memory of 1384	1712	csrsll.exe	35
PID 1712 wrote to memory of 1384	1712	csrsll.exe	35
PID 1712 wrote to memory of 1384	1712	csrsll.exe	35
PID 1712 wrote to memory of 1384	1712	csrsll.exe	35
PID 1712 wrote to memory of 1384	1712	csrsll.exe	35
PID 1712 wrote to memory of 1384	1712	csrsll.exe	35
PID 1712 wrote to memory of 1132	1712	csrsll.exe	36
PID 1712 wrote to memory of 1132	1712	csrsll.exe	36
PID 1712 wrote to memory of 1132	1712	csrsll.exe	36
PID 1712 wrote to memory of 1132	1712	csrsll.exe	36
PID 1712 wrote to memory of 1132	1712	csrsll.exe	36
PID 1712 wrote to memory of 1132	1712	csrsll.exe	36
PID 1712 wrote to memory of 1132	1712	csrsll.exe	36
PID 1712 wrote to memory of 1132	1712	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
"C:\Users\Admin\AppData\Local\Temp\073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
  "C:\Users\Admin\AppData\Local\Temp\073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\XXLMH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1936
  - - 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:2848
- - 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:1712
  - - 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:1384
  - - 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:1132

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
5899de1fb1bf548e433815555824bccf

SHA1
1c342c5f7b4419f49866e1878c3704ef17c1d7bc

SHA256
161b665868e1c17c23452171882a47372c0c0fe92f4bb948e780fc59b40c2518

SHA512
46e42d0e6a0246f640a90f99e5851cecd9b9bc96bb9c3a4c600b9f8b21874eb7d0baf6a45dc37384b1d7a629b483ae4d9f11586c20e1c7c697fd96484fef2ee4

Download Submit
memory/1132-244-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1132-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1384-237-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1384-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1712-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1712-243-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1712-163-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1712-174-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1712-210-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1712-153-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1712-147-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2316-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2316-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2316-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2316-16-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2316-71-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2316-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-61-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2316-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2316-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2316-90-0x0000000002730000-0x0000000002783000-memory.dmp

Filesize
332KB

Download
memory/2316-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2944-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-145-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2944-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2944-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads