modiloader | 16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631

Analysis

max time kernel
150s
max time network
29s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11/01/2025, 20:33

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General

Target

16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
Size

90KB
MD5

eb4e7fdc85f7ee17e02fa517b3f5b6db
SHA1

a1adb8049b2c53320a4e8ee99405a736e35373cd
SHA256

16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631
SHA512

2b808d7eef3a98266dce04ed3c7650b7ee581195ad9cd1808b1fcc26d2ea1268bf5ddf31e2d22604e23c629eb7a6affe140a843c87e22d74c48bee9c12bb25f0
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDi:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Q

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/2296-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2192	csrsll.exe
1028	csrsll.exe
2296	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.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-1-5-21-3692679935-4019334568-335155002-1000\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 2424 set thread context of 2708	2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	29
PID 2192 set thread context of 1028	2192	csrsll.exe	34
PID 2192 set thread context of 2296	2192	csrsll.exe	35

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2424-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2424-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2424-28-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2424-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2708-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2708-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2708-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2708-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2708-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2424-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2708-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0010000000016d64-133.dat	upx
behavioral1/memory/2192-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2708-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2192-158-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2192-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2296-250-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2192-257-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2708-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1028-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2296-264-0x0000000000400000-0x0000000000414000-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	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	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
2192	csrsll.exe
1028	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2708	2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	29
PID 2424 wrote to memory of 2708	2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	29
PID 2424 wrote to memory of 2708	2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	29
PID 2424 wrote to memory of 2708	2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	29
PID 2424 wrote to memory of 2708	2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	29
PID 2424 wrote to memory of 2708	2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	29
PID 2424 wrote to memory of 2708	2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	29
PID 2424 wrote to memory of 2708	2424	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	29
PID 2708 wrote to memory of 3068	2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	30
PID 2708 wrote to memory of 3068	2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	30
PID 2708 wrote to memory of 3068	2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	30
PID 2708 wrote to memory of 3068	2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	30
PID 3068 wrote to memory of 2604	3068	cmd.exe	32
PID 3068 wrote to memory of 2604	3068	cmd.exe	32
PID 3068 wrote to memory of 2604	3068	cmd.exe	32
PID 3068 wrote to memory of 2604	3068	cmd.exe	32
PID 2708 wrote to memory of 2192	2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	33
PID 2708 wrote to memory of 2192	2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	33
PID 2708 wrote to memory of 2192	2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	33
PID 2708 wrote to memory of 2192	2708	16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe	33
PID 2192 wrote to memory of 1028	2192	csrsll.exe	34
PID 2192 wrote to memory of 1028	2192	csrsll.exe	34
PID 2192 wrote to memory of 1028	2192	csrsll.exe	34
PID 2192 wrote to memory of 1028	2192	csrsll.exe	34
PID 2192 wrote to memory of 1028	2192	csrsll.exe	34
PID 2192 wrote to memory of 1028	2192	csrsll.exe	34
PID 2192 wrote to memory of 1028	2192	csrsll.exe	34
PID 2192 wrote to memory of 1028	2192	csrsll.exe	34
PID 2192 wrote to memory of 2296	2192	csrsll.exe	35
PID 2192 wrote to memory of 2296	2192	csrsll.exe	35
PID 2192 wrote to memory of 2296	2192	csrsll.exe	35
PID 2192 wrote to memory of 2296	2192	csrsll.exe	35
PID 2192 wrote to memory of 2296	2192	csrsll.exe	35
PID 2192 wrote to memory of 2296	2192	csrsll.exe	35
PID 2192 wrote to memory of 2296	2192	csrsll.exe	35
PID 2192 wrote to memory of 2296	2192	csrsll.exe	35

C:\Users\Admin\AppData\Local\Temp\16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
"C:\Users\Admin\AppData\Local\Temp\16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe
  "C:\Users\Admin\AppData\Local\Temp\16c6f607df0d8cd7e6c995a238f3efc65726d80940f74454de393fe892e6d631.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\VDRQC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3068
  - - 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:2604
- - 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:2192
  - - 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:1028
  - - 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:2296

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\VDRQC.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
35df0651420c8fb0bc3cb4f72f4225df

SHA1
8d079ff4c7381ea968122e56b21b03e972e1f6d3

SHA256
97680642ccea9d27d5fa94fa588529b2b224f2920686fa753e8d83b6018ffd6b

SHA512
2289c1970ead83918f1a8225d816fba44e9ee45fb43f042239120d834f7546bf2f6e596e0240b7e76793a91540bb5a73f6bfde969fa30b03cd370017c882388e

Download Submit
memory/1028-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2192-161-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2192-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2192-182-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2192-158-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2192-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2192-171-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2192-257-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2296-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2296-250-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-43-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2424-73-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2424-81-0x0000000000320000-0x0000000000322000-memory.dmp

Filesize
8KB

Download
memory/2424-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2424-28-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2424-31-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2424-63-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2424-92-0x00000000024A0000-0x00000000024F3000-memory.dmp

Filesize
332KB

Download
memory/2424-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2424-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2424-18-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2424-17-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2424-7-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2424-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2424-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2708-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-156-0x0000000002A40000-0x0000000002A93000-memory.dmp

Filesize
332KB

Download
memory/2708-155-0x0000000002A40000-0x0000000002A93000-memory.dmp

Filesize
332KB

Download
memory/2708-148-0x0000000002A40000-0x0000000002A93000-memory.dmp

Filesize
332KB

Download
memory/2708-149-0x0000000002A40000-0x0000000002A93000-memory.dmp

Filesize
332KB

Download
memory/2708-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads