modiloader | fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-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 1 IoCs

resource	yara_rule
behavioral1/memory/2564-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
3008	csrsll.exe
1524	csrsll.exe
2564	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.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-1-5-21-1163522206-1469769407-485553996-1000\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 2412 set thread context of 2692	2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	31
PID 3008 set thread context of 1524	3008	csrsll.exe	36
PID 3008 set thread context of 2564	3008	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2412-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2412-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2412-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2412-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000a0000000164b1-148.dat	upx
behavioral1/memory/2692-144-0x0000000002500000-0x0000000002553000-memory.dmp	upx
behavioral1/memory/2692-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3008-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3008-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2564-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2692-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1524-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2564-260-0x0000000000400000-0x0000000000414000-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	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe
Token: SeDebugPrivilege	1524	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
3008	csrsll.exe
1524	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2692	2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	31
PID 2412 wrote to memory of 2692	2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	31
PID 2412 wrote to memory of 2692	2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	31
PID 2412 wrote to memory of 2692	2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	31
PID 2412 wrote to memory of 2692	2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	31
PID 2412 wrote to memory of 2692	2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	31
PID 2412 wrote to memory of 2692	2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	31
PID 2412 wrote to memory of 2692	2412	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	31
PID 2692 wrote to memory of 2896	2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	32
PID 2692 wrote to memory of 2896	2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	32
PID 2692 wrote to memory of 2896	2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	32
PID 2692 wrote to memory of 2896	2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	32
PID 2896 wrote to memory of 2760	2896	cmd.exe	34
PID 2896 wrote to memory of 2760	2896	cmd.exe	34
PID 2896 wrote to memory of 2760	2896	cmd.exe	34
PID 2896 wrote to memory of 2760	2896	cmd.exe	34
PID 2692 wrote to memory of 3008	2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	35
PID 2692 wrote to memory of 3008	2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	35
PID 2692 wrote to memory of 3008	2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	35
PID 2692 wrote to memory of 3008	2692	fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe	35
PID 3008 wrote to memory of 1524	3008	csrsll.exe	36
PID 3008 wrote to memory of 1524	3008	csrsll.exe	36
PID 3008 wrote to memory of 1524	3008	csrsll.exe	36
PID 3008 wrote to memory of 1524	3008	csrsll.exe	36
PID 3008 wrote to memory of 1524	3008	csrsll.exe	36
PID 3008 wrote to memory of 1524	3008	csrsll.exe	36
PID 3008 wrote to memory of 1524	3008	csrsll.exe	36
PID 3008 wrote to memory of 1524	3008	csrsll.exe	36
PID 3008 wrote to memory of 2564	3008	csrsll.exe	37
PID 3008 wrote to memory of 2564	3008	csrsll.exe	37
PID 3008 wrote to memory of 2564	3008	csrsll.exe	37
PID 3008 wrote to memory of 2564	3008	csrsll.exe	37
PID 3008 wrote to memory of 2564	3008	csrsll.exe	37
PID 3008 wrote to memory of 2564	3008	csrsll.exe	37
PID 3008 wrote to memory of 2564	3008	csrsll.exe	37
PID 3008 wrote to memory of 2564	3008	csrsll.exe	37

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:2412
- C:\Users\Admin\AppData\Local\Temp\fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe
  "C:\Users\Admin\AppData\Local\Temp\fc6df90de086608a312b59e8b1ce49b7b6de8bcee018fcc41b1194a31e493ae4.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SIEDQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - 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:2760
- - 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:3008
  - - 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:1524
  - - 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:2564

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

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\SIEDQ.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3764f7d975cad9a06129107b5c6b9231

SHA1
ece90d3ecc0f01a9ecddfe2ccc02362cc9945122

SHA256
9bb2f0dff03279ed99ff81c2465520cb3c73ac572461a6e43682360829f9f396

SHA512
04d16b672931ca4605776d9910231536b029f8972a8927134bff70db2aa95462b132f25595848ec8d57c941ff59b73c1e94dc42c1c666fd04bb74a676b7487ef

Download Submit
memory/1524-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2412-29-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2412-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2412-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2412-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2412-103-0x00000000027D0000-0x0000000002823000-memory.dmp

Filesize
332KB

Download
memory/2412-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/2412-15-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2412-71-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2412-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2412-5-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2412-3-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2412-41-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2412-61-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2412-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2564-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2564-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2692-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-253-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2692-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-147-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2692-146-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2692-145-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2692-144-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2692-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-209-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2692-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-245-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2692-246-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2692-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-247-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/3008-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3008-164-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/3008-175-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/3008-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3008-154-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads