modiloader | 56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 22:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
Size

90KB
MD5

c6cc01ac6797137a37d478b6f60e4227
SHA1

9dc3772895eb7ff550213d398680b45bd4b65458
SHA256

56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784
SHA512

56e495f349f9340e033b1507c5ceefbb8f0cf0af3c0fccd74a589eba8e38a2208550234c26e86402299318394a463f44ee3462c19c296ac21fcf905a653bedaf
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 2 IoCs

resource	yara_rule
behavioral1/memory/2296-244-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2296-253-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2496	csrsll.exe
2128	csrsll.exe
2296	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.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-1-5-21-1163522206-1469769407-485553996-1000\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 1596 set thread context of 1920	1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	28
PID 2496 set thread context of 2128	2496	csrsll.exe	33
PID 2496 set thread context of 2296	2496	csrsll.exe	34

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1596-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1596-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1596-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1920-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1920-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1920-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1920-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1596-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1920-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1920-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0008000000012118-130.dat	upx
behavioral1/memory/1920-132-0x00000000025E0000-0x0000000002633000-memory.dmp	upx
behavioral1/memory/1920-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2296-244-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2496-242-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2496-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1920-250-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2296-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2128-256-0x0000000000400000-0x000000000040B000-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	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.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	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe
Token: SeDebugPrivilege	2128	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
2496	csrsll.exe
2128	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 1920	1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	28
PID 1596 wrote to memory of 1920	1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	28
PID 1596 wrote to memory of 1920	1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	28
PID 1596 wrote to memory of 1920	1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	28
PID 1596 wrote to memory of 1920	1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	28
PID 1596 wrote to memory of 1920	1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	28
PID 1596 wrote to memory of 1920	1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	28
PID 1596 wrote to memory of 1920	1596	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	28
PID 1920 wrote to memory of 2840	1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	29
PID 1920 wrote to memory of 2840	1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	29
PID 1920 wrote to memory of 2840	1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	29
PID 1920 wrote to memory of 2840	1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	29
PID 2840 wrote to memory of 744	2840	cmd.exe	31
PID 2840 wrote to memory of 744	2840	cmd.exe	31
PID 2840 wrote to memory of 744	2840	cmd.exe	31
PID 2840 wrote to memory of 744	2840	cmd.exe	31
PID 1920 wrote to memory of 2496	1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	32
PID 1920 wrote to memory of 2496	1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	32
PID 1920 wrote to memory of 2496	1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	32
PID 1920 wrote to memory of 2496	1920	56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe	32
PID 2496 wrote to memory of 2128	2496	csrsll.exe	33
PID 2496 wrote to memory of 2128	2496	csrsll.exe	33
PID 2496 wrote to memory of 2128	2496	csrsll.exe	33
PID 2496 wrote to memory of 2128	2496	csrsll.exe	33
PID 2496 wrote to memory of 2128	2496	csrsll.exe	33
PID 2496 wrote to memory of 2128	2496	csrsll.exe	33
PID 2496 wrote to memory of 2128	2496	csrsll.exe	33
PID 2496 wrote to memory of 2128	2496	csrsll.exe	33
PID 2496 wrote to memory of 2296	2496	csrsll.exe	34
PID 2496 wrote to memory of 2296	2496	csrsll.exe	34
PID 2496 wrote to memory of 2296	2496	csrsll.exe	34
PID 2496 wrote to memory of 2296	2496	csrsll.exe	34
PID 2496 wrote to memory of 2296	2496	csrsll.exe	34
PID 2496 wrote to memory of 2296	2496	csrsll.exe	34
PID 2496 wrote to memory of 2296	2496	csrsll.exe	34
PID 2496 wrote to memory of 2296	2496	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
"C:\Users\Admin\AppData\Local\Temp\56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Users\Admin\AppData\Local\Temp\56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe
  "C:\Users\Admin\AppData\Local\Temp\56843831e5166f791e9b5469ac8398fa57887a7c5fd8a0f3d77297bfe3e85784.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\BVTSW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - 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:744
- - 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:2496
  - - 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:2128
  - - 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:2296

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\BVTSW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
98038f5025b839617f86f6ddcb2c01bf

SHA1
bf6015d7cb288b9fbca30b0241e7e476ff73bf54

SHA256
7696cd38a2c14b3323afcef1a53ebab1b51c1ecf8be29585096cdcb2127cd7c9

SHA512
dfe3b44cdee2f9cdfaf05b1b1f2ab80cc8a90e8c8c4c09fcb1d4f63f43a87dd40179b7386dd61b895025a5cabfa860e213c1494fd80a29398904acdf08ccbaba

Download Submit
memory/1596-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1596-29-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/1596-16-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/1596-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1596-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1596-41-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/1596-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1596-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1596-71-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/1596-14-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1596-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1596-61-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/1596-79-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/1920-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1920-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-132-0x00000000025E0000-0x0000000002633000-memory.dmp

Filesize
332KB

Download
memory/1920-146-0x00000000025E0000-0x0000000002633000-memory.dmp

Filesize
332KB

Download
memory/1920-145-0x00000000025E0000-0x0000000002633000-memory.dmp

Filesize
332KB

Download
memory/1920-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-250-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2128-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2296-244-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2296-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2496-242-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-153-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2496-174-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2496-163-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads