modiloader | 825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 07:07

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General

Target

825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
Size

90KB
MD5

d86a772d2529b3074434b793e32f27f8
SHA1

4d19cfdfca8abc1e7cc4011c7fd2d6b32044c439
SHA256

825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a
SHA512

047453205ad3617b293ed70ffdbb4bd3be44a40b735f6bc0c574baa1acf1137d858f302469079e05600f9821b40ce4be69a8157f55162cb1efa2c6a1900b03fd
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDC:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3k

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/2388-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1776	csrsll.exe
2168	csrsll.exe
2388	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.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 1548 set thread context of 2596	1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	31
PID 1776 set thread context of 2168	1776	csrsll.exe	36
PID 1776 set thread context of 2388	1776	csrsll.exe	37

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1548-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1548-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1548-90-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1548-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1548-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2596-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1548-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1548-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2596-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a0000000165c7-134.dat	upx
behavioral1/memory/2596-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1776-230-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2596-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2388-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1776-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2168-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2388-262-0x0000000000400000-0x0000000000414000-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	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	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe
Token: SeDebugPrivilege	2168	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
1776	csrsll.exe
2168	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2596	1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	31
PID 1548 wrote to memory of 2596	1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	31
PID 1548 wrote to memory of 2596	1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	31
PID 1548 wrote to memory of 2596	1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	31
PID 1548 wrote to memory of 2596	1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	31
PID 1548 wrote to memory of 2596	1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	31
PID 1548 wrote to memory of 2596	1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	31
PID 1548 wrote to memory of 2596	1548	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	31
PID 2596 wrote to memory of 1468	2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	32
PID 2596 wrote to memory of 1468	2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	32
PID 2596 wrote to memory of 1468	2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	32
PID 2596 wrote to memory of 1468	2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	32
PID 1468 wrote to memory of 1252	1468	cmd.exe	34
PID 1468 wrote to memory of 1252	1468	cmd.exe	34
PID 1468 wrote to memory of 1252	1468	cmd.exe	34
PID 1468 wrote to memory of 1252	1468	cmd.exe	34
PID 2596 wrote to memory of 1776	2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	35
PID 2596 wrote to memory of 1776	2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	35
PID 2596 wrote to memory of 1776	2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	35
PID 2596 wrote to memory of 1776	2596	825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe	35
PID 1776 wrote to memory of 2168	1776	csrsll.exe	36
PID 1776 wrote to memory of 2168	1776	csrsll.exe	36
PID 1776 wrote to memory of 2168	1776	csrsll.exe	36
PID 1776 wrote to memory of 2168	1776	csrsll.exe	36
PID 1776 wrote to memory of 2168	1776	csrsll.exe	36
PID 1776 wrote to memory of 2168	1776	csrsll.exe	36
PID 1776 wrote to memory of 2168	1776	csrsll.exe	36
PID 1776 wrote to memory of 2168	1776	csrsll.exe	36
PID 1776 wrote to memory of 2388	1776	csrsll.exe	37
PID 1776 wrote to memory of 2388	1776	csrsll.exe	37
PID 1776 wrote to memory of 2388	1776	csrsll.exe	37
PID 1776 wrote to memory of 2388	1776	csrsll.exe	37
PID 1776 wrote to memory of 2388	1776	csrsll.exe	37
PID 1776 wrote to memory of 2388	1776	csrsll.exe	37
PID 1776 wrote to memory of 2388	1776	csrsll.exe	37
PID 1776 wrote to memory of 2388	1776	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
"C:\Users\Admin\AppData\Local\Temp\825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Local\Temp\825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe
  "C:\Users\Admin\AppData\Local\Temp\825bd02a85d1a5a895751bda816eb927f84c010d9a90f184276a5eb38e4b891a.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\TXJHL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1468
  - - 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:1252
- - 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:1776
  - - 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:2168
  - - 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:2388

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\TXJHL.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4c0c4152d9088dc3d3bdef0c31ab5fe0

SHA1
b912562448b545537095599479678f7ef4159e01

SHA256
85f1b9340a522e6cfdbfc70e50e233e6141028defa374e2dd3e58f61f5cc6556

SHA512
e0076c421a08c5f8ea025fbabb00c1ba67fdc9776a747810a1756ae54367ed03c932ce69dc1275b81f45157a7fb90dee303f85cb8b5456fd05d889d3bbf61b14

Download Submit
memory/1548-71-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1548-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1548-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1548-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1548-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1548-90-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1548-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1548-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1548-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1548-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1548-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1548-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1548-80-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/1548-19-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1548-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1548-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1776-168-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1776-230-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1776-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1776-158-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1776-179-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2168-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2388-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2596-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-150-0x0000000002750000-0x00000000027A3000-memory.dmp

Filesize
332KB

Download
memory/2596-149-0x0000000002750000-0x00000000027A3000-memory.dmp

Filesize
332KB

Download
memory/2596-148-0x0000000002750000-0x00000000027A3000-memory.dmp

Filesize
332KB

Download
memory/2596-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-155-0x0000000002750000-0x00000000027A3000-memory.dmp

Filesize
332KB

Download
memory/2596-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-222-0x0000000002750000-0x00000000027A3000-memory.dmp

Filesize
332KB

Download
memory/2596-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2596-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads