modiloader | 2102e203e459cc4fbfd36ad93241b255218745b6bafee70738a1a7aad73381e8

Analysis

max time kernel
118s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 22:18

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General

Target

c6f6f39827d503e28f18a96088c210b0N.exe
Size

90KB
MD5

c6f6f39827d503e28f18a96088c210b0
SHA1

803510743577aed6bcda2a61ba6b633caf1000d1
SHA256

2102e203e459cc4fbfd36ad93241b255218745b6bafee70738a1a7aad73381e8
SHA512

5023cc10d16fb6a1193cb8f431b4a20d7de32e072caf2fda830687e0867ed8d300e6fc7390aaff3b8074e386ba111f817c0f920cc56fdd60afe76ccb2b0472da
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/1044-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2880	csrsll.exe
1608	csrsll.exe
1044	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2636	c6f6f39827d503e28f18a96088c210b0N.exe
2636	c6f6f39827d503e28f18a96088c210b0N.exe
2636	c6f6f39827d503e28f18a96088c210b0N.exe
2636	c6f6f39827d503e28f18a96088c210b0N.exe
2636	c6f6f39827d503e28f18a96088c210b0N.exe

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2372-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2636-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2636-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2636-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2636-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2636-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2636-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2372-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-93-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-84-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-33-0x00000000004D0000-0x00000000005D0000-memory.dmp	upx
behavioral1/memory/2372-32-0x00000000004D0000-0x00000000005D0000-memory.dmp	upx
behavioral1/memory/2372-31-0x00000000004D0000-0x00000000005D0000-memory.dmp	upx
behavioral1/memory/2372-29-0x00000000004D0000-0x00000000005D0000-memory.dmp	upx
behavioral1/memory/2636-113-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a000000017429-136.dat	upx
behavioral1/memory/2636-150-0x0000000002640000-0x0000000002693000-memory.dmp	upx
behavioral1/memory/2880-158-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2636-159-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2880-218-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2880-256-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2636-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1044-263-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1608-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1608-264-0x0000000000400000-0x000000000040B000-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-1-5-21-3551809350-4263495960-1443967649-1000\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 2372 set thread context of 2636	2372	c6f6f39827d503e28f18a96088c210b0N.exe	31
PID 2880 set thread context of 1608	2880	csrsll.exe	36
PID 2880 set thread context of 1044	2880	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	c6f6f39827d503e28f18a96088c210b0N.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	c6f6f39827d503e28f18a96088c210b0N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe
Token: SeDebugPrivilege	1608	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2372	c6f6f39827d503e28f18a96088c210b0N.exe
2636	c6f6f39827d503e28f18a96088c210b0N.exe
2880	csrsll.exe
1608	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2636	2372	c6f6f39827d503e28f18a96088c210b0N.exe	31
PID 2372 wrote to memory of 2636	2372	c6f6f39827d503e28f18a96088c210b0N.exe	31
PID 2372 wrote to memory of 2636	2372	c6f6f39827d503e28f18a96088c210b0N.exe	31
PID 2372 wrote to memory of 2636	2372	c6f6f39827d503e28f18a96088c210b0N.exe	31
PID 2372 wrote to memory of 2636	2372	c6f6f39827d503e28f18a96088c210b0N.exe	31
PID 2372 wrote to memory of 2636	2372	c6f6f39827d503e28f18a96088c210b0N.exe	31
PID 2372 wrote to memory of 2636	2372	c6f6f39827d503e28f18a96088c210b0N.exe	31
PID 2372 wrote to memory of 2636	2372	c6f6f39827d503e28f18a96088c210b0N.exe	31
PID 2636 wrote to memory of 2980	2636	c6f6f39827d503e28f18a96088c210b0N.exe	32
PID 2636 wrote to memory of 2980	2636	c6f6f39827d503e28f18a96088c210b0N.exe	32
PID 2636 wrote to memory of 2980	2636	c6f6f39827d503e28f18a96088c210b0N.exe	32
PID 2636 wrote to memory of 2980	2636	c6f6f39827d503e28f18a96088c210b0N.exe	32
PID 2980 wrote to memory of 1784	2980	cmd.exe	34
PID 2980 wrote to memory of 1784	2980	cmd.exe	34
PID 2980 wrote to memory of 1784	2980	cmd.exe	34
PID 2980 wrote to memory of 1784	2980	cmd.exe	34
PID 2636 wrote to memory of 2880	2636	c6f6f39827d503e28f18a96088c210b0N.exe	35
PID 2636 wrote to memory of 2880	2636	c6f6f39827d503e28f18a96088c210b0N.exe	35
PID 2636 wrote to memory of 2880	2636	c6f6f39827d503e28f18a96088c210b0N.exe	35
PID 2636 wrote to memory of 2880	2636	c6f6f39827d503e28f18a96088c210b0N.exe	35
PID 2880 wrote to memory of 1608	2880	csrsll.exe	36
PID 2880 wrote to memory of 1608	2880	csrsll.exe	36
PID 2880 wrote to memory of 1608	2880	csrsll.exe	36
PID 2880 wrote to memory of 1608	2880	csrsll.exe	36
PID 2880 wrote to memory of 1608	2880	csrsll.exe	36
PID 2880 wrote to memory of 1608	2880	csrsll.exe	36
PID 2880 wrote to memory of 1608	2880	csrsll.exe	36
PID 2880 wrote to memory of 1608	2880	csrsll.exe	36
PID 2880 wrote to memory of 1044	2880	csrsll.exe	37
PID 2880 wrote to memory of 1044	2880	csrsll.exe	37
PID 2880 wrote to memory of 1044	2880	csrsll.exe	37
PID 2880 wrote to memory of 1044	2880	csrsll.exe	37
PID 2880 wrote to memory of 1044	2880	csrsll.exe	37
PID 2880 wrote to memory of 1044	2880	csrsll.exe	37
PID 2880 wrote to memory of 1044	2880	csrsll.exe	37
PID 2880 wrote to memory of 1044	2880	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\c6f6f39827d503e28f18a96088c210b0N.exe
"C:\Users\Admin\AppData\Local\Temp\c6f6f39827d503e28f18a96088c210b0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\c6f6f39827d503e28f18a96088c210b0N.exe
  "C:\Users\Admin\AppData\Local\Temp\c6f6f39827d503e28f18a96088c210b0N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\QMLYF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2980
  - - 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:1784
- - 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:2880
  - - 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:1608
  - - 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:1044

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\QMLYF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0ab2ef626a774f48d212a04f72c6fe75

SHA1
2469fe3effd247ebde4279b648fece0f0d907d74

SHA256
556f3d3469c7dc37c741d25283f6511e481461632bbf447289590e735d3f3b89

SHA512
d5f47dff1fb610fd879fb4041224751426d4d6ef34d0896fe5397d5348497703897aabf70c0a5576a45c1de8616f4d5045435ae8816c440330adbfb9fc80f351

Download Submit
memory/1044-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1608-264-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1608-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2372-93-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2372-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2372-27-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2372-106-0x00000000024A0000-0x00000000024F3000-memory.dmp

Filesize
332KB

Download
memory/2372-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-47-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2372-30-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2372-84-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2372-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-61-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2372-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-52-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2372-40-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2372-34-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2372-33-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2372-32-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2372-31-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2372-29-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2636-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-151-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2636-113-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-154-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2636-153-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2636-152-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2636-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-150-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2636-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-159-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-217-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2636-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-256-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2880-218-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2880-158-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads