modiloader | 7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259

Analysis

max time kernel
119s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 23:36

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General

Target

7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe
Size

90KB
MD5

9fc47c6ffaa0262f34779c2dc9b81d97
SHA1

599b44f663321714fe3cd8b055d9bff11ad063d2
SHA256

7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259
SHA512

3dfe67868bd3022a57accdd82eb3a587a0ed68a67b9a9d6d62101f262a4f2f657216d621f597c1137841e89abd917f59d26e445c52bc2a8fab629ade909e0fae
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDs: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/2036-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2036-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2036-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2036-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe

Executes dropped EXE 3 IoCs

pid	Process
3972	csrsll.exe
1248	csrsll.exe
2036	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-1-5-21-3442511616-637977696-3186306149-1000\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 2876 set thread context of 3648	2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	87
PID 3972 set thread context of 1248	3972	csrsll.exe	95
PID 3972 set thread context of 2036	3972	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2876-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2876-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3648-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3648-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3648-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2876-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cd4-29.dat	upx
behavioral2/memory/3648-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3972-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3972-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2036-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2036-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2036-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2036-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3972-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2036-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3648-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1248-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2036-62-0x0000000000400000-0x0000000000414000-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	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.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	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe
Token: SeDebugPrivilege	1248	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe
3648	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe
3972	csrsll.exe
1248	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 3648	2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	87
PID 2876 wrote to memory of 3648	2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	87
PID 2876 wrote to memory of 3648	2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	87
PID 2876 wrote to memory of 3648	2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	87
PID 2876 wrote to memory of 3648	2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	87
PID 2876 wrote to memory of 3648	2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	87
PID 2876 wrote to memory of 3648	2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	87
PID 2876 wrote to memory of 3648	2876	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	87
PID 3648 wrote to memory of 1492	3648	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	88
PID 3648 wrote to memory of 1492	3648	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	88
PID 3648 wrote to memory of 1492	3648	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	88
PID 1492 wrote to memory of 5100	1492	cmd.exe	91
PID 1492 wrote to memory of 5100	1492	cmd.exe	91
PID 1492 wrote to memory of 5100	1492	cmd.exe	91
PID 3648 wrote to memory of 3972	3648	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	92
PID 3648 wrote to memory of 3972	3648	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	92
PID 3648 wrote to memory of 3972	3648	7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe	92
PID 3972 wrote to memory of 1248	3972	csrsll.exe	95
PID 3972 wrote to memory of 1248	3972	csrsll.exe	95
PID 3972 wrote to memory of 1248	3972	csrsll.exe	95
PID 3972 wrote to memory of 1248	3972	csrsll.exe	95
PID 3972 wrote to memory of 1248	3972	csrsll.exe	95
PID 3972 wrote to memory of 1248	3972	csrsll.exe	95
PID 3972 wrote to memory of 1248	3972	csrsll.exe	95
PID 3972 wrote to memory of 1248	3972	csrsll.exe	95
PID 3972 wrote to memory of 2036	3972	csrsll.exe	96
PID 3972 wrote to memory of 2036	3972	csrsll.exe	96
PID 3972 wrote to memory of 2036	3972	csrsll.exe	96
PID 3972 wrote to memory of 2036	3972	csrsll.exe	96
PID 3972 wrote to memory of 2036	3972	csrsll.exe	96
PID 3972 wrote to memory of 2036	3972	csrsll.exe	96
PID 3972 wrote to memory of 2036	3972	csrsll.exe	96
PID 3972 wrote to memory of 2036	3972	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe
"C:\Users\Admin\AppData\Local\Temp\7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe
  "C:\Users\Admin\AppData\Local\Temp\7e30c1b323f49befa62732918d433ddd822a17d7faec16bea8de4025fb5a9259.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3648
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XUIUF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1492
  - - 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:5100
- - 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:3972
  - - 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:1248
  - - 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:2036

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\XUIUF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
cfa2b589c4ca4f31ddd4636f3672de31

SHA1
8a4d0814e5681f1e55c92a8a0ce05b6d4b0e93e8

SHA256
8f101e5bb52e91e29011aacfa0aa9140e19d375487e5c8ca6c2e3832a2324556

SHA512
6eafea596432c8ea14b89454d7de000cdc004e8bd528481016b97c0ffcb34aa4ca852adc07f9e797b1969689549b8c42f2b3541c47f1c83d08455cf2c129bc34

Download Submit
memory/1248-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2036-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2036-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2036-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2036-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2036-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2036-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2876-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2876-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2876-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/2876-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/2876-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2876-5-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/3648-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3648-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3648-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3648-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3648-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3972-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3972-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3972-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads