modiloader | fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 02:34

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General

Target

fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
Size

90KB
MD5

4b7bfed82859e30da1a1aa6eef89825e
SHA1

9755442eb0a45c15c37f7f28981176f4681a9303
SHA256

fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4
SHA512

97c9cbd70f83a46c1fa266cc71a7a4d6c21e3d568a3ae171f9ae580093e906b67502dd173410d49f29679fba58111b221d799ad379c15041b52dd9ca5c7a6d4e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDb:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3B

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/5012-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5012-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5012-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5012-62-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe

Executes dropped EXE 3 IoCs

pid	Process
2280	csrsll.exe
5024	csrsll.exe
5012	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-1-5-21-4089630652-1596403869-279772308-1000\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 4312 set thread context of 1848	4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	86
PID 2280 set thread context of 5024	2280	csrsll.exe	97
PID 2280 set thread context of 5012	2280	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4312-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4312-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1848-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1848-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4312-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1848-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cd0-29.dat	upx
behavioral2/memory/1848-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2280-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2280-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5012-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5012-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5012-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5012-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5012-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1848-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2280-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5024-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5012-62-0x0000000000400000-0x0000000000414000-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	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.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	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe
Token: SeDebugPrivilege	5024	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
1848	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
2280	csrsll.exe
5024	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 1848	4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	86
PID 4312 wrote to memory of 1848	4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	86
PID 4312 wrote to memory of 1848	4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	86
PID 4312 wrote to memory of 1848	4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	86
PID 4312 wrote to memory of 1848	4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	86
PID 4312 wrote to memory of 1848	4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	86
PID 4312 wrote to memory of 1848	4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	86
PID 4312 wrote to memory of 1848	4312	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	86
PID 1848 wrote to memory of 896	1848	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	89
PID 1848 wrote to memory of 896	1848	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	89
PID 1848 wrote to memory of 896	1848	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	89
PID 896 wrote to memory of 4376	896	cmd.exe	92
PID 896 wrote to memory of 4376	896	cmd.exe	92
PID 896 wrote to memory of 4376	896	cmd.exe	92
PID 1848 wrote to memory of 2280	1848	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	93
PID 1848 wrote to memory of 2280	1848	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	93
PID 1848 wrote to memory of 2280	1848	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	93
PID 2280 wrote to memory of 5024	2280	csrsll.exe	97
PID 2280 wrote to memory of 5024	2280	csrsll.exe	97
PID 2280 wrote to memory of 5024	2280	csrsll.exe	97
PID 2280 wrote to memory of 5024	2280	csrsll.exe	97
PID 2280 wrote to memory of 5024	2280	csrsll.exe	97
PID 2280 wrote to memory of 5024	2280	csrsll.exe	97
PID 2280 wrote to memory of 5024	2280	csrsll.exe	97
PID 2280 wrote to memory of 5024	2280	csrsll.exe	97
PID 2280 wrote to memory of 5012	2280	csrsll.exe	98
PID 2280 wrote to memory of 5012	2280	csrsll.exe	98
PID 2280 wrote to memory of 5012	2280	csrsll.exe	98
PID 2280 wrote to memory of 5012	2280	csrsll.exe	98
PID 2280 wrote to memory of 5012	2280	csrsll.exe	98
PID 2280 wrote to memory of 5012	2280	csrsll.exe	98
PID 2280 wrote to memory of 5012	2280	csrsll.exe	98
PID 2280 wrote to memory of 5012	2280	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
"C:\Users\Admin\AppData\Local\Temp\fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Users\Admin\AppData\Local\Temp\fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
  "C:\Users\Admin\AppData\Local\Temp\fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1848
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HIFOA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:896
  - - 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:4376
- - 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:2280
  - - 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:5024
  - - 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:5012

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\HIFOA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
27683ccc9d0ca6f3abeee7bb639324c9

SHA1
3413d23808facbdcc7f33b5f3addf1f60e45d5f9

SHA256
77f03860d3734d2c560f1e368b94cf14c1b7439b3c5c84e9dd8b70ab44ab37a7

SHA512
9e984f369f5741ab6e5bc7f048e506d3c698f24cd0dfa751ed2b35a6df91f7c5473ecad99185f4964a003fb996c7f12a17921a7e75eac16a909ce5d2e2ff341b

Download Submit
memory/1848-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1848-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1848-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1848-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1848-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1848-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2280-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2280-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2280-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4312-4-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/4312-6-0x0000000002200000-0x0000000002202000-memory.dmp

Filesize
8KB

Download
memory/4312-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4312-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4312-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4312-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/5012-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5012-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5012-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5012-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5012-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5012-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5024-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads