modiloader | 5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243

Analysis

max time kernel
120s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 02:24

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General

Target

5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
Size

90KB
MD5

15938a110b16cb5985a8d05b1e47a810
SHA1

e4370220211cb41412d5024f28664d9203219b80
SHA256

5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243
SHA512

95ee8278ffb0348401c3a7a2724531e872fa0ebeb5b22e9d549bd7d53a841380bdad28f7f2c3ef3ad5aeae9ceaba0b58eceda6c985a6bd1d1c0989094c99b50b
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/3828-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3828-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3828-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3828-62-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe

Executes dropped EXE 3 IoCs

pid	Process
3964	csrsll.exe
4432	csrsll.exe
3828	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-1-5-21-493223053-2004649691-1575712786-1000\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 1432 set thread context of 2384	1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	94
PID 3964 set thread context of 4432	3964	csrsll.exe	103
PID 3964 set thread context of 3828	3964	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1432-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2384-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1432-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2384-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2384-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1432-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0011000000023b56-29.dat	upx
behavioral2/memory/3964-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2384-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3964-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3964-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3828-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3828-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3828-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3828-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3828-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3964-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2384-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4432-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3828-62-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe
Token: SeDebugPrivilege	4432	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
2384	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
3964	csrsll.exe
4432	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 2384	1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	94
PID 1432 wrote to memory of 2384	1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	94
PID 1432 wrote to memory of 2384	1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	94
PID 1432 wrote to memory of 2384	1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	94
PID 1432 wrote to memory of 2384	1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	94
PID 1432 wrote to memory of 2384	1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	94
PID 1432 wrote to memory of 2384	1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	94
PID 1432 wrote to memory of 2384	1432	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	94
PID 2384 wrote to memory of 4592	2384	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	98
PID 2384 wrote to memory of 4592	2384	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	98
PID 2384 wrote to memory of 4592	2384	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	98
PID 4592 wrote to memory of 2328	4592	cmd.exe	101
PID 4592 wrote to memory of 2328	4592	cmd.exe	101
PID 4592 wrote to memory of 2328	4592	cmd.exe	101
PID 2384 wrote to memory of 3964	2384	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	102
PID 2384 wrote to memory of 3964	2384	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	102
PID 2384 wrote to memory of 3964	2384	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	102
PID 3964 wrote to memory of 4432	3964	csrsll.exe	103
PID 3964 wrote to memory of 4432	3964	csrsll.exe	103
PID 3964 wrote to memory of 4432	3964	csrsll.exe	103
PID 3964 wrote to memory of 4432	3964	csrsll.exe	103
PID 3964 wrote to memory of 4432	3964	csrsll.exe	103
PID 3964 wrote to memory of 4432	3964	csrsll.exe	103
PID 3964 wrote to memory of 4432	3964	csrsll.exe	103
PID 3964 wrote to memory of 4432	3964	csrsll.exe	103
PID 3964 wrote to memory of 3828	3964	csrsll.exe	104
PID 3964 wrote to memory of 3828	3964	csrsll.exe	104
PID 3964 wrote to memory of 3828	3964	csrsll.exe	104
PID 3964 wrote to memory of 3828	3964	csrsll.exe	104
PID 3964 wrote to memory of 3828	3964	csrsll.exe	104
PID 3964 wrote to memory of 3828	3964	csrsll.exe	104
PID 3964 wrote to memory of 3828	3964	csrsll.exe	104
PID 3964 wrote to memory of 3828	3964	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
"C:\Users\Admin\AppData\Local\Temp\5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Users\Admin\AppData\Local\Temp\5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
  "C:\Users\Admin\AppData\Local\Temp\5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HHFNG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4592
  - - 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:2328
- - 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:3964
  - - 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:4432
  - - 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:3828

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\HHFNG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
81f22d4a212749e847f40f85e328f024

SHA1
aa16e3fe1107232bd11723e0c29d26f0747e0e27

SHA256
fc881359283012e097c5f1d2de233b78f5cc965b674c57f96c526cfb9cf02ded

SHA512
9e868b3bd79cd10e38de3cd2bc452fd552b743764c0784d795afc944fa2132c762bfe264f38bcf92aec8f536f393fa2e0b9feeb565ef4932533a5a12da17b7a0

Download Submit
memory/1432-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1432-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/1432-4-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/1432-6-0x0000000002200000-0x0000000002202000-memory.dmp

Filesize
8KB

Download
memory/1432-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1432-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2384-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3828-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3828-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3828-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3828-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3828-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3828-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3964-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3964-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3964-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3964-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4432-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads