modiloader | 4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87

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
23-11-2024 22:21

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General

Target

4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe
Size

90KB
MD5

db47c34ceb951ecf71e8354cc0ba1de6
SHA1

94aa90d998aad7c71191b8cb7a408f08a7c71a5d
SHA256

4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87
SHA512

9647ecaa928465e3a0b13b5875132ca56ee701a7234ea22161f7f47157e3f5a1e482e390c4900fb98063c4e0012827387cbf3d67a53997ba88f3c81cd2cce441
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/4384-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4384-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4384-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4384-65-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe

Executes dropped EXE 3 IoCs

pid	Process
880	csrsll.exe
4048	csrsll.exe
4384	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-1-5-21-4050598569-1597076380-177084960-1000\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 4112 set thread context of 2124	4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	89
PID 880 set thread context of 4048	880	csrsll.exe	97
PID 880 set thread context of 4384	880	csrsll.exe	98

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4112-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4112-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2124-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2124-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2124-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4112-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b98-30.dat	upx
behavioral2/memory/880-38-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2124-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/880-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/880-44-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4384-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4384-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4384-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4384-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4384-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/880-60-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2124-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4048-64-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4384-65-0x0000000000400000-0x0000000000414000-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	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe
Token: SeDebugPrivilege	4048	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe
2124	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe
880	csrsll.exe
4048	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 2124	4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	89
PID 4112 wrote to memory of 2124	4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	89
PID 4112 wrote to memory of 2124	4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	89
PID 4112 wrote to memory of 2124	4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	89
PID 4112 wrote to memory of 2124	4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	89
PID 4112 wrote to memory of 2124	4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	89
PID 4112 wrote to memory of 2124	4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	89
PID 4112 wrote to memory of 2124	4112	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	89
PID 2124 wrote to memory of 2936	2124	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	90
PID 2124 wrote to memory of 2936	2124	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	90
PID 2124 wrote to memory of 2936	2124	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	90
PID 2936 wrote to memory of 348	2936	cmd.exe	95
PID 2936 wrote to memory of 348	2936	cmd.exe	95
PID 2936 wrote to memory of 348	2936	cmd.exe	95
PID 2124 wrote to memory of 880	2124	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	96
PID 2124 wrote to memory of 880	2124	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	96
PID 2124 wrote to memory of 880	2124	4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe	96
PID 880 wrote to memory of 4048	880	csrsll.exe	97
PID 880 wrote to memory of 4048	880	csrsll.exe	97
PID 880 wrote to memory of 4048	880	csrsll.exe	97
PID 880 wrote to memory of 4048	880	csrsll.exe	97
PID 880 wrote to memory of 4048	880	csrsll.exe	97
PID 880 wrote to memory of 4048	880	csrsll.exe	97
PID 880 wrote to memory of 4048	880	csrsll.exe	97
PID 880 wrote to memory of 4048	880	csrsll.exe	97
PID 880 wrote to memory of 4384	880	csrsll.exe	98
PID 880 wrote to memory of 4384	880	csrsll.exe	98
PID 880 wrote to memory of 4384	880	csrsll.exe	98
PID 880 wrote to memory of 4384	880	csrsll.exe	98
PID 880 wrote to memory of 4384	880	csrsll.exe	98
PID 880 wrote to memory of 4384	880	csrsll.exe	98
PID 880 wrote to memory of 4384	880	csrsll.exe	98
PID 880 wrote to memory of 4384	880	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe
"C:\Users\Admin\AppData\Local\Temp\4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Users\Admin\AppData\Local\Temp\4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe
  "C:\Users\Admin\AppData\Local\Temp\4e4c400e6ef2dd3c91b76dd6f59bdb8b188fb303b739cd28c64faf6880f72a87.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SQOSG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - 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:348
- - 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:880
  - - 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:4048
  - - 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:4384

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\SQOSG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
5bf2783ebd0e29ecfad868f486962bce

SHA1
353788c29c7db241536dc51e8ac70fcf69ef04c4

SHA256
f4251e48e4bbf476d8a371bbb77257292e5aa6e3ac14fb32970a30fd092fff1b

SHA512
e3cadf34af9fb59974efb4043a358ab733100fc7cf5d148f5e2619e84bae9cd412dfa249f01e2cfbd8856bd356577297264305cd1cbbe2717485965920b087e6

Download Submit
memory/880-60-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/880-44-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/880-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/880-38-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2124-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2124-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2124-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2124-61-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2124-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2124-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4048-64-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4112-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/4112-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4112-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/4112-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/4112-7-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/4112-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4112-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4384-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4384-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4384-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4384-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4384-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4384-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads