modiloader | 1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55

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
08-01-2025 21:41

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General

Target

1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe
Size

90KB
MD5

20991a9f664e7e91e36a8a9ad5c06740
SHA1

4a3ec33f6c10ae71de8ea18a0d89395c13fa7ecb
SHA256

1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55
SHA512

11c45f2b7acc06961c8be7ccf65094f42a78e8b435cdc0ba91fa6159dd22e79cfc165280d9a255d9c018bda9d74d7f1ac3e46f7e2b84af7cdeff3f238a593d9c
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Q

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/2648-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2648-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2648-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2648-64-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe

Executes dropped EXE 3 IoCs

pid	Process
3312	csrsll.exe
2136	csrsll.exe
2648	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-1-5-21-2878641211-696417878-3864914810-1000\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 2012 set thread context of 3956	2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	89
PID 3312 set thread context of 2136	3312	csrsll.exe	101
PID 3312 set thread context of 2648	3312	csrsll.exe	102

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2012-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2012-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3956-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3956-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3956-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2012-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b74-29.dat	upx
behavioral2/memory/3956-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2648-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2136-46-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2648-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3312-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2648-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2648-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2648-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3312-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3312-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3956-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2136-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2648-64-0x0000000000400000-0x0000000000414000-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	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.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	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe
Token: SeDebugPrivilege	2136	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe
3956	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe
3312	csrsll.exe
2136	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 3956	2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	89
PID 2012 wrote to memory of 3956	2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	89
PID 2012 wrote to memory of 3956	2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	89
PID 2012 wrote to memory of 3956	2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	89
PID 2012 wrote to memory of 3956	2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	89
PID 2012 wrote to memory of 3956	2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	89
PID 2012 wrote to memory of 3956	2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	89
PID 2012 wrote to memory of 3956	2012	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	89
PID 3956 wrote to memory of 4800	3956	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	92
PID 3956 wrote to memory of 4800	3956	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	92
PID 3956 wrote to memory of 4800	3956	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	92
PID 4800 wrote to memory of 2828	4800	cmd.exe	96
PID 4800 wrote to memory of 2828	4800	cmd.exe	96
PID 4800 wrote to memory of 2828	4800	cmd.exe	96
PID 3956 wrote to memory of 3312	3956	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	97
PID 3956 wrote to memory of 3312	3956	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	97
PID 3956 wrote to memory of 3312	3956	1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe	97
PID 3312 wrote to memory of 2136	3312	csrsll.exe	101
PID 3312 wrote to memory of 2136	3312	csrsll.exe	101
PID 3312 wrote to memory of 2136	3312	csrsll.exe	101
PID 3312 wrote to memory of 2136	3312	csrsll.exe	101
PID 3312 wrote to memory of 2136	3312	csrsll.exe	101
PID 3312 wrote to memory of 2136	3312	csrsll.exe	101
PID 3312 wrote to memory of 2136	3312	csrsll.exe	101
PID 3312 wrote to memory of 2136	3312	csrsll.exe	101
PID 3312 wrote to memory of 2648	3312	csrsll.exe	102
PID 3312 wrote to memory of 2648	3312	csrsll.exe	102
PID 3312 wrote to memory of 2648	3312	csrsll.exe	102
PID 3312 wrote to memory of 2648	3312	csrsll.exe	102
PID 3312 wrote to memory of 2648	3312	csrsll.exe	102
PID 3312 wrote to memory of 2648	3312	csrsll.exe	102
PID 3312 wrote to memory of 2648	3312	csrsll.exe	102
PID 3312 wrote to memory of 2648	3312	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe
"C:\Users\Admin\AppData\Local\Temp\1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe
  "C:\Users\Admin\AppData\Local\Temp\1c6b6f2d794114ab4155abe029385eb1289024664faaaabd99efa694fcd59f55N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3956
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WSGTE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4800
  - - 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:2828
- - 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:3312
  - - 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:2136
  - - 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:2648

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\WSGTE.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ee1e0c8703dff5732040286c1d72ea71

SHA1
7b91315a329dc43d1d4dd9f82c338010d2d147c2

SHA256
0382e62e9310faf672f1281292faa03fa40cec1d6db4ed051afd911ad7b4ea8d

SHA512
9404e10450337a08d4a354173fd5861fce674ae4e770edc4aa40192017b1a21705fe92844f12cce34f611a194555cb3e448d2a445407919dc8575e0df438585d

Download Submit
memory/2012-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2012-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/2012-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2012-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/2012-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2012-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2136-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2136-46-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2648-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2648-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2648-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2648-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2648-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2648-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3312-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3312-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3312-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3956-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3956-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3956-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3956-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3956-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads