modiloader | e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5

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
17-12-2024 22:55

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General

Target

e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe
Size

90KB
MD5

099536fb6e7d0443c4fc7fdfab92b1d7
SHA1

18d6e303858bd5d9a1edea7c6f755dd8efd8216c
SHA256

e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5
SHA512

b24ed9fb732187f2a4c020adbcd5eba9cca5605141aae48940c5de75216e710b6fecef00da5f91fd73c135bd2d6319137740daa2a5584c1a82bc55e9739d83c8
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDx:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE37

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/4468-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4468-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4468-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4468-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe

Executes dropped EXE 3 IoCs

pid	Process
1236	csrsll.exe
3956	csrsll.exe
4468	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-1-5-21-3350944739-639801879-157714471-1000\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 3752 set thread context of 2780	3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	89
PID 1236 set thread context of 3956	1236	csrsll.exe	102
PID 1236 set thread context of 4468	1236	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3752-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3752-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2780-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2780-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3752-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2780-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b8d-30.dat	upx
behavioral2/memory/2780-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1236-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1236-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4468-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4468-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4468-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4468-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1236-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4468-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2780-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3956-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4468-63-0x0000000000400000-0x0000000000414000-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	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	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe
Token: SeDebugPrivilege	3956	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe
2780	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe
1236	csrsll.exe
3956	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 2780	3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	89
PID 3752 wrote to memory of 2780	3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	89
PID 3752 wrote to memory of 2780	3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	89
PID 3752 wrote to memory of 2780	3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	89
PID 3752 wrote to memory of 2780	3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	89
PID 3752 wrote to memory of 2780	3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	89
PID 3752 wrote to memory of 2780	3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	89
PID 3752 wrote to memory of 2780	3752	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	89
PID 2780 wrote to memory of 668	2780	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	90
PID 2780 wrote to memory of 668	2780	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	90
PID 2780 wrote to memory of 668	2780	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	90
PID 668 wrote to memory of 4864	668	cmd.exe	94
PID 668 wrote to memory of 4864	668	cmd.exe	94
PID 668 wrote to memory of 4864	668	cmd.exe	94
PID 2780 wrote to memory of 1236	2780	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	95
PID 2780 wrote to memory of 1236	2780	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	95
PID 2780 wrote to memory of 1236	2780	e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe	95
PID 1236 wrote to memory of 3956	1236	csrsll.exe	102
PID 1236 wrote to memory of 3956	1236	csrsll.exe	102
PID 1236 wrote to memory of 3956	1236	csrsll.exe	102
PID 1236 wrote to memory of 3956	1236	csrsll.exe	102
PID 1236 wrote to memory of 3956	1236	csrsll.exe	102
PID 1236 wrote to memory of 3956	1236	csrsll.exe	102
PID 1236 wrote to memory of 3956	1236	csrsll.exe	102
PID 1236 wrote to memory of 3956	1236	csrsll.exe	102
PID 1236 wrote to memory of 4468	1236	csrsll.exe	103
PID 1236 wrote to memory of 4468	1236	csrsll.exe	103
PID 1236 wrote to memory of 4468	1236	csrsll.exe	103
PID 1236 wrote to memory of 4468	1236	csrsll.exe	103
PID 1236 wrote to memory of 4468	1236	csrsll.exe	103
PID 1236 wrote to memory of 4468	1236	csrsll.exe	103
PID 1236 wrote to memory of 4468	1236	csrsll.exe	103
PID 1236 wrote to memory of 4468	1236	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe
"C:\Users\Admin\AppData\Local\Temp\e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3752
- C:\Users\Admin\AppData\Local\Temp\e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe
  "C:\Users\Admin\AppData\Local\Temp\e169e4d8857cc23c8c23de9a4e6826a24f2e4a204fcc20e6b0adb8be80c3e0e5.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GRPNS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:668
  - - 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:4864
- - 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:1236
  - - 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:3956
  - - 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:4468

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1cd18b0d54f784a00434695eb928c098

SHA1
c0a1c3cb8de759fc0cb6e7f26ee7595572f29572

SHA256
3243d8038274c0eb163bc2083bf03df8f2314bcaa05ea90772c0a103598ad08a

SHA512
4b042f12402f838caa583d7d06e6aefad69ba921da5ad4e4874c073c84775afda26261c5b9dc10cd97ae34d15e3aca610516fc5cf45bb75be606a74b13cca657

Download Submit
memory/1236-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1236-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1236-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2780-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2780-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2780-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3752-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/3752-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3752-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/3752-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3752-5-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/3752-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

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

Filesize
44KB

Download
memory/4468-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4468-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4468-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4468-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4468-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4468-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads