modiloader | f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 04:45

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General

Target

f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
Size

90KB
MD5

d9c5dbb377d7c72ed98595ad0afe5505
SHA1

19f5340767219dfd2de3e58a2a967f9f49310e47
SHA256

f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11
SHA512

13a28cd93606408a291e559ca34066584c5a2fce194b16c5fb4068e651fb0770c2e3ef7c03b141e48d4117a09efd221ab63931adbc8601e55c46c3edb74aec9e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3o

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/4264-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4264-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4264-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4264-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe

Executes dropped EXE 3 IoCs

pid	Process
3676	csrsll.exe
408	csrsll.exe
4264	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-1-5-21-3756129449-3121373848-4276368241-1000\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 4316 set thread context of 4576	4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	86
PID 3676 set thread context of 408	3676	csrsll.exe	95
PID 3676 set thread context of 4264	3676	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4316-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4316-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4576-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4576-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4316-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4576-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b7c-28.dat	upx
behavioral2/memory/4576-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3676-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3676-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4264-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4264-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4264-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4264-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4264-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3676-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/408-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4264-61-0x0000000000400000-0x0000000000414000-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	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.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	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe
Token: SeDebugPrivilege	408	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
4576	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
3676	csrsll.exe
408	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4576	4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	86
PID 4316 wrote to memory of 4576	4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	86
PID 4316 wrote to memory of 4576	4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	86
PID 4316 wrote to memory of 4576	4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	86
PID 4316 wrote to memory of 4576	4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	86
PID 4316 wrote to memory of 4576	4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	86
PID 4316 wrote to memory of 4576	4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	86
PID 4316 wrote to memory of 4576	4316	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	86
PID 4576 wrote to memory of 2328	4576	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	87
PID 4576 wrote to memory of 2328	4576	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	87
PID 4576 wrote to memory of 2328	4576	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	87
PID 2328 wrote to memory of 2744	2328	cmd.exe	90
PID 2328 wrote to memory of 2744	2328	cmd.exe	90
PID 2328 wrote to memory of 2744	2328	cmd.exe	90
PID 4576 wrote to memory of 3676	4576	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	91
PID 4576 wrote to memory of 3676	4576	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	91
PID 4576 wrote to memory of 3676	4576	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	91
PID 3676 wrote to memory of 408	3676	csrsll.exe	95
PID 3676 wrote to memory of 408	3676	csrsll.exe	95
PID 3676 wrote to memory of 408	3676	csrsll.exe	95
PID 3676 wrote to memory of 408	3676	csrsll.exe	95
PID 3676 wrote to memory of 408	3676	csrsll.exe	95
PID 3676 wrote to memory of 408	3676	csrsll.exe	95
PID 3676 wrote to memory of 408	3676	csrsll.exe	95
PID 3676 wrote to memory of 408	3676	csrsll.exe	95
PID 3676 wrote to memory of 4264	3676	csrsll.exe	96
PID 3676 wrote to memory of 4264	3676	csrsll.exe	96
PID 3676 wrote to memory of 4264	3676	csrsll.exe	96
PID 3676 wrote to memory of 4264	3676	csrsll.exe	96
PID 3676 wrote to memory of 4264	3676	csrsll.exe	96
PID 3676 wrote to memory of 4264	3676	csrsll.exe	96
PID 3676 wrote to memory of 4264	3676	csrsll.exe	96
PID 3676 wrote to memory of 4264	3676	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
"C:\Users\Admin\AppData\Local\Temp\f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Users\Admin\AppData\Local\Temp\f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
  "C:\Users\Admin\AppData\Local\Temp\f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4576
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QOSNV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2328
  - - 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:2744
- - 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:3676
  - - 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:408
  - - 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:4264

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\QOSNV.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
18106d3ace7fcf278608ec4d2d407d0a

SHA1
abc0c0714bcf4e0616e4d6592902110eaf5ea53e

SHA256
07d628b0a23313284cef682ca2436d0698c58620f5998a31ee6426e61b4e0259

SHA512
5442124e2880eb35702e2a4800bde3c7ab711133328a94dc3aac56064c13c85bd0a6c396d3ae36462db96eb727519ff3e51f61c578c807712f361dfb10d856f7

Download Submit
memory/408-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3676-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3676-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3676-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4264-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4264-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4264-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4264-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4264-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4264-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4316-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/4316-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/4316-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4316-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4316-5-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/4316-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4576-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4576-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4576-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4576-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4576-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads