modiloader | 710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2025 03:44

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General

Target

710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
Size

326KB
MD5

43b334909615f9c26ea3af06b1f566b2
SHA1

e649c3522aaf64293ad7d6bab6edcb5be9e49ead
SHA256

710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664
SHA512

e4303e9a3dc13b121712c093afe6beb3f7dd84f6badafb7551955bd5a4c5c2e60e992e3c6e599902bad7faffdf213b3e148838ede802b3547561570ead229d08
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVW:csxD5cwohO+O1sVG0/pZ6iPC8b

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 4 IoCs

resource	yara_rule
behavioral2/memory/3940-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3940-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3940-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3940-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe

Executes dropped EXE 3 IoCs

pid	Process
2988	csrsll.exe
4696	csrsll.exe
3940	csrsll.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-1-5-21-3227495264-2217614367-4027411560-1000\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 2916 set thread context of 1672	2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	82
PID 2988 set thread context of 4696	2988	csrsll.exe	92
PID 2988 set thread context of 3940	2988	csrsll.exe	93

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2916-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2916-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1672-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1672-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2916-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1672-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1672-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cac-28.dat	upx
behavioral2/memory/1672-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2988-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2988-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3940-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3940-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3940-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3940-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2988-55-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3940-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1672-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4696-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3940-59-0x0000000000400000-0x0000000000414000-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	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	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe
Token: SeDebugPrivilege	4696	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
1672	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
2988	csrsll.exe
4696	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 1672	2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	82
PID 2916 wrote to memory of 1672	2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	82
PID 2916 wrote to memory of 1672	2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	82
PID 2916 wrote to memory of 1672	2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	82
PID 2916 wrote to memory of 1672	2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	82
PID 2916 wrote to memory of 1672	2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	82
PID 2916 wrote to memory of 1672	2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	82
PID 2916 wrote to memory of 1672	2916	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	82
PID 1672 wrote to memory of 2720	1672	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 1672 wrote to memory of 2720	1672	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 1672 wrote to memory of 2720	1672	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 2720 wrote to memory of 464	2720	cmd.exe	86
PID 2720 wrote to memory of 464	2720	cmd.exe	86
PID 2720 wrote to memory of 464	2720	cmd.exe	86
PID 1672 wrote to memory of 2988	1672	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	87
PID 1672 wrote to memory of 2988	1672	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	87
PID 1672 wrote to memory of 2988	1672	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	87
PID 2988 wrote to memory of 4696	2988	csrsll.exe	92
PID 2988 wrote to memory of 4696	2988	csrsll.exe	92
PID 2988 wrote to memory of 4696	2988	csrsll.exe	92
PID 2988 wrote to memory of 4696	2988	csrsll.exe	92
PID 2988 wrote to memory of 4696	2988	csrsll.exe	92
PID 2988 wrote to memory of 4696	2988	csrsll.exe	92
PID 2988 wrote to memory of 4696	2988	csrsll.exe	92
PID 2988 wrote to memory of 4696	2988	csrsll.exe	92
PID 2988 wrote to memory of 3940	2988	csrsll.exe	93
PID 2988 wrote to memory of 3940	2988	csrsll.exe	93
PID 2988 wrote to memory of 3940	2988	csrsll.exe	93
PID 2988 wrote to memory of 3940	2988	csrsll.exe	93
PID 2988 wrote to memory of 3940	2988	csrsll.exe	93
PID 2988 wrote to memory of 3940	2988	csrsll.exe	93
PID 2988 wrote to memory of 3940	2988	csrsll.exe	93
PID 2988 wrote to memory of 3940	2988	csrsll.exe	93

C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
"C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
  "C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FLQCD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2720
  - - 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:464
- - 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:2988
  - - 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:4696
  - - 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:3940

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

Query Registry

T1012

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\FLQCD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
6c3c869e9e4ac4876a4ee9ae2daf1d61

SHA1
3b542f60118bbf7032edde4140548b0d0bb722fe

SHA256
4e7214b72348661857b0662bbe35fd85ff721e7d18d545c12eaad93705c4e5e8

SHA512
8252befecc366bd713cb1c7cdef9fc0b7e69285063c798ecc483f697293a04b5e0734b93c855054f5c4bb915deb3d459696e3da1474b2612a9fc4515f219d4df

Download Submit
memory/1672-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2916-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2916-3-0x0000000002B40000-0x0000000002B42000-memory.dmp

Filesize
8KB

Download
memory/2916-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2916-6-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/2916-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2916-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2988-55-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2988-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2988-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3940-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3940-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3940-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3940-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3940-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3940-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4696-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads