modiloader | df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 06:37

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General

Target

df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe
Size

90KB
MD5

6a472ba75749dd425d95e416cae76b5f
SHA1

fa7fc4f2118863c876c54a1b22f36ea65f3bb6fb
SHA256

df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e
SHA512

7114e0f191ecd99366300564ab2af6b5256fb57811129d11b2e519bf04c448f4f043b0b1bdd396aa8a3ceeac2e5850fc2f91c9bdf025e484754b2cbad6446d2c
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/4228-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4228-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4228-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4228-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe

Executes dropped EXE 3 IoCs

pid	Process
876	csrsll.exe
4444	csrsll.exe
4228	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 1248 set thread context of 3424	1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	82
PID 876 set thread context of 4444	876	csrsll.exe	93
PID 876 set thread context of 4228	876	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1248-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1248-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3424-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3424-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3424-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1248-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b8e-29.dat	upx
behavioral2/memory/876-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3424-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/876-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/876-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4228-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4228-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4228-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4228-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/876-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4228-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3424-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4444-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4228-62-0x0000000000400000-0x0000000000414000-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	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe
Token: SeDebugPrivilege	4444	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe
3424	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe
876	csrsll.exe
4444	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 3424	1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	82
PID 1248 wrote to memory of 3424	1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	82
PID 1248 wrote to memory of 3424	1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	82
PID 1248 wrote to memory of 3424	1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	82
PID 1248 wrote to memory of 3424	1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	82
PID 1248 wrote to memory of 3424	1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	82
PID 1248 wrote to memory of 3424	1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	82
PID 1248 wrote to memory of 3424	1248	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	82
PID 3424 wrote to memory of 1600	3424	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	83
PID 3424 wrote to memory of 1600	3424	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	83
PID 3424 wrote to memory of 1600	3424	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	83
PID 1600 wrote to memory of 2816	1600	cmd.exe	86
PID 1600 wrote to memory of 2816	1600	cmd.exe	86
PID 1600 wrote to memory of 2816	1600	cmd.exe	86
PID 3424 wrote to memory of 876	3424	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	87
PID 3424 wrote to memory of 876	3424	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	87
PID 3424 wrote to memory of 876	3424	df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe	87
PID 876 wrote to memory of 4444	876	csrsll.exe	93
PID 876 wrote to memory of 4444	876	csrsll.exe	93
PID 876 wrote to memory of 4444	876	csrsll.exe	93
PID 876 wrote to memory of 4444	876	csrsll.exe	93
PID 876 wrote to memory of 4444	876	csrsll.exe	93
PID 876 wrote to memory of 4444	876	csrsll.exe	93
PID 876 wrote to memory of 4444	876	csrsll.exe	93
PID 876 wrote to memory of 4444	876	csrsll.exe	93
PID 876 wrote to memory of 4228	876	csrsll.exe	94
PID 876 wrote to memory of 4228	876	csrsll.exe	94
PID 876 wrote to memory of 4228	876	csrsll.exe	94
PID 876 wrote to memory of 4228	876	csrsll.exe	94
PID 876 wrote to memory of 4228	876	csrsll.exe	94
PID 876 wrote to memory of 4228	876	csrsll.exe	94
PID 876 wrote to memory of 4228	876	csrsll.exe	94
PID 876 wrote to memory of 4228	876	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe
"C:\Users\Admin\AppData\Local\Temp\df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe
  "C:\Users\Admin\AppData\Local\Temp\df7341c73dc20127759c3ca559fabf7b318ecf5fd182fce50c44934f586f908e.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3424
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HGTAJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1600
  - - 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:2816
- - 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:876
  - - 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:4444
  - - 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:4228

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\HGTAJ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0b7678a4ff567835392e09d55558a42f

SHA1
61f7ac21ce1cae6cb048a9667bf7d1d96089c6b8

SHA256
8dd6a9a527c3e3c36279524a658fa74a8aa0406207f79097c19416da49109ff5

SHA512
428dfe27ad666db57a99205c80990280888f5fae2dcddf5fb7d768132206b9f051e7200c95bb88e97a5252ea7c260c59a0ca925bed9a6b9efa45556f6c99951b

Download Submit
memory/876-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/876-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/876-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/876-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1248-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1248-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/1248-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1248-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/1248-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1248-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3424-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3424-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3424-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3424-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3424-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3424-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4228-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4444-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads