modiloader | 172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 16:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe
Size

90KB
MD5

319800e54beb8fd3049e135bd6cac983
SHA1

5cad7bac77fd9aa395f22047537dd4bfb75af396
SHA256

172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901
SHA512

425a3ba925973573ead5c8e6abf92f355d3c87a6376842bdc744db2160fdeb5f40e20fdc3b8ab9aaa625bd27594bbdb3e267b0a28da767b075b6847de55a50c9
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDr:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3F

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/2568-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1840	csrsll.exe
920	csrsll.exe
2568	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe
2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe
2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe
2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe
2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.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-1-5-21-2703099537-420551529-3771253338-1000\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 2604 set thread context of 2240	2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	30
PID 1840 set thread context of 920	1840	csrsll.exe	35
PID 1840 set thread context of 2568	1840	csrsll.exe	36

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2604-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2604-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2240-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2604-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2240-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2604-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2240-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00090000000120fe-132.dat	upx
behavioral1/memory/2240-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1840-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2240-206-0x0000000001F00000-0x0000000001F53000-memory.dmp	upx
behavioral1/memory/2568-245-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1840-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2240-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/920-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-257-0x0000000000400000-0x0000000000414000-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	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.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	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe
Token: SeDebugPrivilege	920	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe
2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe
1840	csrsll.exe
920	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2240	2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	30
PID 2604 wrote to memory of 2240	2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	30
PID 2604 wrote to memory of 2240	2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	30
PID 2604 wrote to memory of 2240	2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	30
PID 2604 wrote to memory of 2240	2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	30
PID 2604 wrote to memory of 2240	2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	30
PID 2604 wrote to memory of 2240	2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	30
PID 2604 wrote to memory of 2240	2604	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	30
PID 2240 wrote to memory of 2012	2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	31
PID 2240 wrote to memory of 2012	2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	31
PID 2240 wrote to memory of 2012	2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	31
PID 2240 wrote to memory of 2012	2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	31
PID 2012 wrote to memory of 1504	2012	cmd.exe	33
PID 2012 wrote to memory of 1504	2012	cmd.exe	33
PID 2012 wrote to memory of 1504	2012	cmd.exe	33
PID 2012 wrote to memory of 1504	2012	cmd.exe	33
PID 2240 wrote to memory of 1840	2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	34
PID 2240 wrote to memory of 1840	2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	34
PID 2240 wrote to memory of 1840	2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	34
PID 2240 wrote to memory of 1840	2240	172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe	34
PID 1840 wrote to memory of 920	1840	csrsll.exe	35
PID 1840 wrote to memory of 920	1840	csrsll.exe	35
PID 1840 wrote to memory of 920	1840	csrsll.exe	35
PID 1840 wrote to memory of 920	1840	csrsll.exe	35
PID 1840 wrote to memory of 920	1840	csrsll.exe	35
PID 1840 wrote to memory of 920	1840	csrsll.exe	35
PID 1840 wrote to memory of 920	1840	csrsll.exe	35
PID 1840 wrote to memory of 920	1840	csrsll.exe	35
PID 1840 wrote to memory of 2568	1840	csrsll.exe	36
PID 1840 wrote to memory of 2568	1840	csrsll.exe	36
PID 1840 wrote to memory of 2568	1840	csrsll.exe	36
PID 1840 wrote to memory of 2568	1840	csrsll.exe	36
PID 1840 wrote to memory of 2568	1840	csrsll.exe	36
PID 1840 wrote to memory of 2568	1840	csrsll.exe	36
PID 1840 wrote to memory of 2568	1840	csrsll.exe	36
PID 1840 wrote to memory of 2568	1840	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe
"C:\Users\Admin\AppData\Local\Temp\172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe
  "C:\Users\Admin\AppData\Local\Temp\172bacb6543e0004410ae0f43a52623b4ed5350f6262674372d9a3c45253a901.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\HVVJK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2012
  - - 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:1504
- - 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:1840
  - - 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:920
  - - 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:2568

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\HVVJK.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
adb439f1c380d3dc757f90deeb5257ee

SHA1
3d65706b23712a7c548ce800c112c33ad6cef415

SHA256
17224b7e98d02547b3d62ffa0db696abf27891c4bf452f0f2d809c35d87152c8

SHA512
982eb0a28ae25177e7990f6787ffc8e40c2f72b09e1bda08a154dde3471a5f644eb73939c4186fb06a562ae6f2235960061ba760bcd13888f91c0b930913cd1e

Download Submit
memory/920-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1840-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1840-163-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1840-174-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1840-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1840-153-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2240-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2240-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-139-0x0000000001F00000-0x0000000001F53000-memory.dmp

Filesize
332KB

Download
memory/2240-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-206-0x0000000001F00000-0x0000000001F53000-memory.dmp

Filesize
332KB

Download
memory/2240-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-245-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2568-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2604-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2604-41-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2604-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2604-90-0x0000000001E20000-0x0000000001E73000-memory.dmp

Filesize
332KB

Download
memory/2604-61-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2604-71-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2604-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2604-16-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2604-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2604-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2604-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2604-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2604-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2604-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads