modiloader | 0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 19:39

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General

Target

0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe
Size

326KB
MD5

760fbeb92e1a7a64ab4b68f0ce7dbdcb
SHA1

5437644c4103faf698e0a70bd31c0561debf859a
SHA256

0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902
SHA512

0fc04d903922f91d0f52bf39005b6edd745ebfdcfb3c3de18e11e979aac7b9d6425dff24513df52ddba5ba97cc3a835016c1a521fd18ea098aa0babc832f6281
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

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/1492-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1492-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1492-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1492-60-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe

Executes dropped EXE 3 IoCs

pid	Process
3368	csrsll.exe
2952	csrsll.exe
1492	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-1-5-21-4089630652-1596403869-279772308-1000\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 4236 set thread context of 2660	4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	91
PID 3368 set thread context of 2952	3368	csrsll.exe	99
PID 3368 set thread context of 1492	3368	csrsll.exe	100

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4236-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4236-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2660-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2660-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4236-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2660-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023c9a-28.dat	upx
behavioral2/memory/3368-35-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2660-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3368-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3368-41-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1492-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1492-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1492-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1492-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3368-56-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1492-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2660-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2952-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1492-60-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.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	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe
Token: SeDebugPrivilege	2952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe
2660	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe
3368	csrsll.exe
2952	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 2660	4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	91
PID 4236 wrote to memory of 2660	4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	91
PID 4236 wrote to memory of 2660	4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	91
PID 4236 wrote to memory of 2660	4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	91
PID 4236 wrote to memory of 2660	4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	91
PID 4236 wrote to memory of 2660	4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	91
PID 4236 wrote to memory of 2660	4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	91
PID 4236 wrote to memory of 2660	4236	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	91
PID 2660 wrote to memory of 3836	2660	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	92
PID 2660 wrote to memory of 3836	2660	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	92
PID 2660 wrote to memory of 3836	2660	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	92
PID 3836 wrote to memory of 1964	3836	cmd.exe	95
PID 3836 wrote to memory of 1964	3836	cmd.exe	95
PID 3836 wrote to memory of 1964	3836	cmd.exe	95
PID 2660 wrote to memory of 3368	2660	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	96
PID 2660 wrote to memory of 3368	2660	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	96
PID 2660 wrote to memory of 3368	2660	0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe	96
PID 3368 wrote to memory of 2952	3368	csrsll.exe	99
PID 3368 wrote to memory of 2952	3368	csrsll.exe	99
PID 3368 wrote to memory of 2952	3368	csrsll.exe	99
PID 3368 wrote to memory of 2952	3368	csrsll.exe	99
PID 3368 wrote to memory of 2952	3368	csrsll.exe	99
PID 3368 wrote to memory of 2952	3368	csrsll.exe	99
PID 3368 wrote to memory of 2952	3368	csrsll.exe	99
PID 3368 wrote to memory of 2952	3368	csrsll.exe	99
PID 3368 wrote to memory of 1492	3368	csrsll.exe	100
PID 3368 wrote to memory of 1492	3368	csrsll.exe	100
PID 3368 wrote to memory of 1492	3368	csrsll.exe	100
PID 3368 wrote to memory of 1492	3368	csrsll.exe	100
PID 3368 wrote to memory of 1492	3368	csrsll.exe	100
PID 3368 wrote to memory of 1492	3368	csrsll.exe	100
PID 3368 wrote to memory of 1492	3368	csrsll.exe	100
PID 3368 wrote to memory of 1492	3368	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe
"C:\Users\Admin\AppData\Local\Temp\0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4236
- C:\Users\Admin\AppData\Local\Temp\0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe
  "C:\Users\Admin\AppData\Local\Temp\0673e47a0a3c4cc27d28ae2ba1c2d03c41487aa6c532f1a87ca3362b3b211902.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MQLTH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3836
  - - 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:1964
- - 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:3368
  - - 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:2952
  - - 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:1492

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MQLTH.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
39d85e21fe734a75b907b17dc22ccfca

SHA1
8c262336ec6820f0b24035a3944b97520774c04c

SHA256
98fd304e721b7fbb29c45f803fe5e44326fbab48c3c49478d43a057f7c970560

SHA512
fcc5e75f417ae46ce0fcb0810a6b454be9b927dee027dc831a5beea2c4ea6d2c2fa79039e4579b3386e1a71729602b494b9d3d98c64ad3b7de8cf3fd64cead3f

Download Submit
memory/1492-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1492-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1492-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1492-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1492-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1492-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2660-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2952-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3368-56-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3368-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3368-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3368-41-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4236-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4236-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4236-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4236-5-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4236-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4236-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads