modiloader | 5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962

Analysis

max time kernel
119s
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
19-01-2025 15:20

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General

Target

5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe
Size

90KB
MD5

da4487d5b60a01bf149a690375c94e90
SHA1

dba2a035e4030cc5322884ed9f01def80c28213f
SHA256

5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962
SHA512

63941e432b1dcdf1fa554fbf8bb5f47c41d80b0338b91d921c1f4d94557ae5389a480d088fddecd5c423b1315ced4b1dbb0da0661319b3b7de87fa934580face
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDS:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3c

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/4600-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4600-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4600-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4600-63-0x0000000000400000-0x0000000000414000-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	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe

Executes dropped EXE 3 IoCs

pid	Process
3588	csrsll.exe
3356	csrsll.exe
4600	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 4560 set thread context of 4980	4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	82
PID 3588 set thread context of 3356	3588	csrsll.exe	95
PID 3588 set thread context of 4600	3588	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4560-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4560-6-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4980-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4980-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4980-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4560-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c86-30.dat	upx
behavioral2/memory/4980-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3588-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3588-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4600-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4600-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4600-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4600-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4600-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3588-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4980-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3356-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4600-63-0x0000000000400000-0x0000000000414000-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	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	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe
Token: SeDebugPrivilege	3356	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe
4980	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe
3588	csrsll.exe
3356	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 4980	4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	82
PID 4560 wrote to memory of 4980	4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	82
PID 4560 wrote to memory of 4980	4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	82
PID 4560 wrote to memory of 4980	4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	82
PID 4560 wrote to memory of 4980	4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	82
PID 4560 wrote to memory of 4980	4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	82
PID 4560 wrote to memory of 4980	4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	82
PID 4560 wrote to memory of 4980	4560	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	82
PID 4980 wrote to memory of 2328	4980	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	87
PID 4980 wrote to memory of 2328	4980	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	87
PID 4980 wrote to memory of 2328	4980	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	87
PID 2328 wrote to memory of 3124	2328	cmd.exe	90
PID 2328 wrote to memory of 3124	2328	cmd.exe	90
PID 2328 wrote to memory of 3124	2328	cmd.exe	90
PID 4980 wrote to memory of 3588	4980	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	91
PID 4980 wrote to memory of 3588	4980	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	91
PID 4980 wrote to memory of 3588	4980	5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe	91
PID 3588 wrote to memory of 3356	3588	csrsll.exe	95
PID 3588 wrote to memory of 3356	3588	csrsll.exe	95
PID 3588 wrote to memory of 3356	3588	csrsll.exe	95
PID 3588 wrote to memory of 3356	3588	csrsll.exe	95
PID 3588 wrote to memory of 3356	3588	csrsll.exe	95
PID 3588 wrote to memory of 3356	3588	csrsll.exe	95
PID 3588 wrote to memory of 3356	3588	csrsll.exe	95
PID 3588 wrote to memory of 3356	3588	csrsll.exe	95
PID 3588 wrote to memory of 4600	3588	csrsll.exe	96
PID 3588 wrote to memory of 4600	3588	csrsll.exe	96
PID 3588 wrote to memory of 4600	3588	csrsll.exe	96
PID 3588 wrote to memory of 4600	3588	csrsll.exe	96
PID 3588 wrote to memory of 4600	3588	csrsll.exe	96
PID 3588 wrote to memory of 4600	3588	csrsll.exe	96
PID 3588 wrote to memory of 4600	3588	csrsll.exe	96
PID 3588 wrote to memory of 4600	3588	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe
"C:\Users\Admin\AppData\Local\Temp\5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Users\Admin\AppData\Local\Temp\5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe
  "C:\Users\Admin\AppData\Local\Temp\5834facda8d977641fcac4bb7b4681887ef52134d2fa37bb7c71277db88ca962N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4980
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TQPTG.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:3124
- - 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:3588
  - - 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:3356
  - - 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:4600

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\TQPTG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
791e326ddac0bdd956586d287261278c

SHA1
6c17bae8d88e43d1bcada988cdd1bff806d8b4ef

SHA256
ec1e6a76936b180cc9f0acb9d594d6dafd7fafc239c0d1a4d8b216552e70f25e

SHA512
36588ed4673680cd782647dd1b16809268a496eb628dccdb4ffce06be57cd59ff7ff34a9a89cdda952f4b51a84be6c1a15d798075d6a8b58e4ec6d5372801b78

Download Submit
memory/3356-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3588-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3588-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3588-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4560-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4560-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/4560-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4560-7-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/4560-5-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4560-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4560-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4600-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4980-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4980-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4980-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4980-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4980-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4980-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads