modiloader | 6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8

Analysis

max time kernel
150s
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
07-01-2025 01:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
Size

90KB
MD5

ffe8f0acb0b98d841c79ae1896e7c529
SHA1

29ab45898bf9dbae712d904a70cca44105feb078
SHA256

6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8
SHA512

3d20856c25507cdc92d4da1c295df9add7ab2b7c8caba4480cb40cadda30f1cbd5d23b130e048d4da7c5bfb45772eb50f4154d6b1b81fb64ead67c5a99e9425b
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDA:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE36

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/3004-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3004-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3004-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3004-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe

Executes dropped EXE 3 IoCs

pid	Process
4904	csrsll.exe
3404	csrsll.exe
3004	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-1-5-21-2437139445-1151884604-3026847218-1000\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 1648 set thread context of 4336	1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	83
PID 4904 set thread context of 3404	4904	csrsll.exe	97
PID 4904 set thread context of 3004	4904	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1648-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1648-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4336-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4336-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4336-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1648-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c73-29.dat	upx
behavioral2/memory/4336-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4904-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4904-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3004-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3004-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3004-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4904-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3004-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4336-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3004-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3404-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3004-62-0x0000000000400000-0x0000000000414000-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	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.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	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe
Token: SeDebugPrivilege	3404	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
4336	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
4904	csrsll.exe
3404	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 4336	1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	83
PID 1648 wrote to memory of 4336	1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	83
PID 1648 wrote to memory of 4336	1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	83
PID 1648 wrote to memory of 4336	1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	83
PID 1648 wrote to memory of 4336	1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	83
PID 1648 wrote to memory of 4336	1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	83
PID 1648 wrote to memory of 4336	1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	83
PID 1648 wrote to memory of 4336	1648	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	83
PID 4336 wrote to memory of 3536	4336	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	84
PID 4336 wrote to memory of 3536	4336	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	84
PID 4336 wrote to memory of 3536	4336	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	84
PID 3536 wrote to memory of 3940	3536	cmd.exe	88
PID 3536 wrote to memory of 3940	3536	cmd.exe	88
PID 3536 wrote to memory of 3940	3536	cmd.exe	88
PID 4336 wrote to memory of 4904	4336	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	89
PID 4336 wrote to memory of 4904	4336	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	89
PID 4336 wrote to memory of 4904	4336	6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe	89
PID 4904 wrote to memory of 3404	4904	csrsll.exe	97
PID 4904 wrote to memory of 3404	4904	csrsll.exe	97
PID 4904 wrote to memory of 3404	4904	csrsll.exe	97
PID 4904 wrote to memory of 3404	4904	csrsll.exe	97
PID 4904 wrote to memory of 3404	4904	csrsll.exe	97
PID 4904 wrote to memory of 3404	4904	csrsll.exe	97
PID 4904 wrote to memory of 3404	4904	csrsll.exe	97
PID 4904 wrote to memory of 3404	4904	csrsll.exe	97
PID 4904 wrote to memory of 3004	4904	csrsll.exe	98
PID 4904 wrote to memory of 3004	4904	csrsll.exe	98
PID 4904 wrote to memory of 3004	4904	csrsll.exe	98
PID 4904 wrote to memory of 3004	4904	csrsll.exe	98
PID 4904 wrote to memory of 3004	4904	csrsll.exe	98
PID 4904 wrote to memory of 3004	4904	csrsll.exe	98
PID 4904 wrote to memory of 3004	4904	csrsll.exe	98
PID 4904 wrote to memory of 3004	4904	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
"C:\Users\Admin\AppData\Local\Temp\6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe
  "C:\Users\Admin\AppData\Local\Temp\6a211a31ce9804c438538a7520fd5e67ff45a84b6e79480524af33d6e54a7ba8.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4336
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GGEMF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3536
  - - 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:3940
- - 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:4904
  - - 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:3404
  - - 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:3004

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

Loading Replay Monitor...

Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
eaa138a7ddc54bad22065900cf6e68f3

SHA1
4094c087be691ce0a1832c60bc6309ff97b661c6

SHA256
7d362e64e918d8f3940155e09724348dcaf0b5f6d3114276d2f9792f485e4dd9

SHA512
6881e3d948af5dd52c1929e5028355531c73e26b37391add2a2ce5236c05ed14b1762cdd0fd1d443357536999f17857474a3afaa4101ec9e240ab3eeb60deed3

Download Submit
memory/1648-5-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/1648-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/1648-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/3004-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3004-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3004-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3004-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3004-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3004-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3404-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4336-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4336-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4904-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4904-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4904-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads