modiloader | fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 04:36

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General

Target

fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
Size

90KB
MD5

224c2ebd2805d02d690abd6b5a960a71
SHA1

8dccc5f36fbbcaec507c9d461df2d3f9fdd20263
SHA256

fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717
SHA512

236765539fd15479b184078f03070c78c5ca187f69fee9f9cdeb3b6c8df35a174919bbdd5dc5ca7531f9c5580c206fc079094f9c306d6eabab724aad26dd3bca
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 Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/3020-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2028	csrsll.exe
2900	csrsll.exe
3020	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2560-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2560-78-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2560-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2560-88-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2560-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2768-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2768-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2768-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2560-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2768-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2768-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2768-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0009000000017487-133.dat	upx
behavioral1/memory/2768-135-0x00000000025F0000-0x0000000002643000-memory.dmp	upx
behavioral1/memory/2028-231-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3020-245-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2768-248-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2028-244-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2900-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3020-259-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-3294248377-1418901787-4083263181-1000\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 2560 set thread context of 2768	2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	30
PID 2028 set thread context of 2900	2028	csrsll.exe	36
PID 2028 set thread context of 3020	2028	csrsll.exe	37

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	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
2028	csrsll.exe
2900	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2768	2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	30
PID 2560 wrote to memory of 2768	2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	30
PID 2560 wrote to memory of 2768	2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	30
PID 2560 wrote to memory of 2768	2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	30
PID 2560 wrote to memory of 2768	2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	30
PID 2560 wrote to memory of 2768	2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	30
PID 2560 wrote to memory of 2768	2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	30
PID 2560 wrote to memory of 2768	2560	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	30
PID 2768 wrote to memory of 1820	2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	32
PID 2768 wrote to memory of 1820	2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	32
PID 2768 wrote to memory of 1820	2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	32
PID 2768 wrote to memory of 1820	2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	32
PID 1820 wrote to memory of 848	1820	cmd.exe	34
PID 1820 wrote to memory of 848	1820	cmd.exe	34
PID 1820 wrote to memory of 848	1820	cmd.exe	34
PID 1820 wrote to memory of 848	1820	cmd.exe	34
PID 2768 wrote to memory of 2028	2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	35
PID 2768 wrote to memory of 2028	2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	35
PID 2768 wrote to memory of 2028	2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	35
PID 2768 wrote to memory of 2028	2768	fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe	35
PID 2028 wrote to memory of 2900	2028	csrsll.exe	36
PID 2028 wrote to memory of 2900	2028	csrsll.exe	36
PID 2028 wrote to memory of 2900	2028	csrsll.exe	36
PID 2028 wrote to memory of 2900	2028	csrsll.exe	36
PID 2028 wrote to memory of 2900	2028	csrsll.exe	36
PID 2028 wrote to memory of 2900	2028	csrsll.exe	36
PID 2028 wrote to memory of 2900	2028	csrsll.exe	36
PID 2028 wrote to memory of 2900	2028	csrsll.exe	36
PID 2028 wrote to memory of 3020	2028	csrsll.exe	37
PID 2028 wrote to memory of 3020	2028	csrsll.exe	37
PID 2028 wrote to memory of 3020	2028	csrsll.exe	37
PID 2028 wrote to memory of 3020	2028	csrsll.exe	37
PID 2028 wrote to memory of 3020	2028	csrsll.exe	37
PID 2028 wrote to memory of 3020	2028	csrsll.exe	37
PID 2028 wrote to memory of 3020	2028	csrsll.exe	37
PID 2028 wrote to memory of 3020	2028	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
"C:\Users\Admin\AppData\Local\Temp\fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Users\Admin\AppData\Local\Temp\fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe
  "C:\Users\Admin\AppData\Local\Temp\fcca1a274b948b4d716c90af917cf5e59b0768056ad01788e14d87b167358717.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PUGDI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1820
  - - 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:848
- - 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:2028
  - - 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:2900
  - - 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:3020

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\PUGDI.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6e0f90928741712fdf597df6dfc2cab6

SHA1
90443991a2e1aeca4bdcbb509c02716c9fcf7153

SHA256
61943ad3f57c6a96645a6dc10977fb546044812027362838625895a51273c86f

SHA512
a27b76c65e897622e6fd9a2df3e486c12c9b1688b1b5da4489b1d6609b71936c677b83c34d8f94ef37db89d0c33b7a8c86329f574c545d1bcb0e776580c4970d

Download Submit
memory/2028-244-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2028-175-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2028-164-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2028-154-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2028-231-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2560-39-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2560-92-0x00000000023E0000-0x0000000002433000-memory.dmp

Filesize
332KB

Download
memory/2560-69-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2560-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2560-88-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2560-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2560-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/2560-72-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2560-78-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2560-59-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2560-27-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2560-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2560-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2560-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2560-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2560-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2768-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2768-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2768-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2768-135-0x00000000025F0000-0x0000000002643000-memory.dmp

Filesize
332KB

Download
memory/2768-149-0x00000000025F0000-0x0000000002643000-memory.dmp

Filesize
332KB

Download
memory/2768-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2768-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2768-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2768-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2768-248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2900-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3020-245-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3020-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads