modiloader | c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934

Analysis

max time kernel
149s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 03:16

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General

Target

c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
Size

90KB
MD5

419ccd2d6a00eab1b6a5778a73ce88ce
SHA1

936dcf3b2ba031758c7e9d38597aa66e0c7b1e61
SHA256

c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934
SHA512

72f82a89f03a0319a442bb81fd2087e1ae0829ebc360532e20f2b6a7f694d7d6f7ff3d6385afea284b8b8eb804dd20f7e16308e545ca237d7d3b38f8ff44f1b2
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/1168-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
3064	csrsll.exe
2328	csrsll.exe
1168	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1732-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1732-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1732-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2740-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2740-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2740-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2740-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2740-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1732-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2740-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000800000001211b-131.dat	upx
behavioral1/memory/2740-134-0x00000000034A0000-0x00000000034F3000-memory.dmp	upx
behavioral1/memory/3064-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2740-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3064-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2740-211-0x00000000034A0000-0x00000000034F3000-memory.dmp	upx
behavioral1/memory/1168-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2740-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3064-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2328-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1168-263-0x0000000000400000-0x0000000000414000-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-1-5-21-1506706701-1246725540-2219210854-1000\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 1732 set thread context of 2740	1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	30
PID 3064 set thread context of 2328	3064	csrsll.exe	35
PID 3064 set thread context of 1168	3064	csrsll.exe	36

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	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.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	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe
Token: SeDebugPrivilege	2328	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
3064	csrsll.exe
2328	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2740	1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	30
PID 1732 wrote to memory of 2740	1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	30
PID 1732 wrote to memory of 2740	1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	30
PID 1732 wrote to memory of 2740	1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	30
PID 1732 wrote to memory of 2740	1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	30
PID 1732 wrote to memory of 2740	1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	30
PID 1732 wrote to memory of 2740	1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	30
PID 1732 wrote to memory of 2740	1732	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	30
PID 2740 wrote to memory of 2520	2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	31
PID 2740 wrote to memory of 2520	2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	31
PID 2740 wrote to memory of 2520	2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	31
PID 2740 wrote to memory of 2520	2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	31
PID 2520 wrote to memory of 1504	2520	cmd.exe	33
PID 2520 wrote to memory of 1504	2520	cmd.exe	33
PID 2520 wrote to memory of 1504	2520	cmd.exe	33
PID 2520 wrote to memory of 1504	2520	cmd.exe	33
PID 2740 wrote to memory of 3064	2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	34
PID 2740 wrote to memory of 3064	2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	34
PID 2740 wrote to memory of 3064	2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	34
PID 2740 wrote to memory of 3064	2740	c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe	34
PID 3064 wrote to memory of 2328	3064	csrsll.exe	35
PID 3064 wrote to memory of 2328	3064	csrsll.exe	35
PID 3064 wrote to memory of 2328	3064	csrsll.exe	35
PID 3064 wrote to memory of 2328	3064	csrsll.exe	35
PID 3064 wrote to memory of 2328	3064	csrsll.exe	35
PID 3064 wrote to memory of 2328	3064	csrsll.exe	35
PID 3064 wrote to memory of 2328	3064	csrsll.exe	35
PID 3064 wrote to memory of 2328	3064	csrsll.exe	35
PID 3064 wrote to memory of 1168	3064	csrsll.exe	36
PID 3064 wrote to memory of 1168	3064	csrsll.exe	36
PID 3064 wrote to memory of 1168	3064	csrsll.exe	36
PID 3064 wrote to memory of 1168	3064	csrsll.exe	36
PID 3064 wrote to memory of 1168	3064	csrsll.exe	36
PID 3064 wrote to memory of 1168	3064	csrsll.exe	36
PID 3064 wrote to memory of 1168	3064	csrsll.exe	36
PID 3064 wrote to memory of 1168	3064	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
"C:\Users\Admin\AppData\Local\Temp\c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe
  "C:\Users\Admin\AppData\Local\Temp\c02d221e36ca7da72ae31f31421c4027f404d532002ae6e07c4239f3759c6934.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NEDOL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2520
  - - 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:1504
- - 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:3064
  - - 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:2328
  - - 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:1168

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\NEDOL.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
fc8996054cd14c371d3c92de9f549e9f

SHA1
adc1197ebf8f52d5ca5bb8c16e67f010f265f4cf

SHA256
fe86ca73d0c3753c88a776ab81d7b7a133e93170b6367de19f72a630bbbf0c81

SHA512
36580f29a6fa6553a751d915b5d6c6e36547df879f62c28899176e39eb32ad50510cb1cf0ccdc62816f53a236b60294c33246162c711e64bf78c30f3fecbf81d

Download Submit
memory/1168-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1168-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1732-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1732-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1732-79-0x0000000000540000-0x0000000000542000-memory.dmp

Filesize
8KB

Download
memory/1732-71-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download
memory/1732-61-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/1732-41-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1732-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1732-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1732-90-0x0000000002430000-0x0000000002483000-memory.dmp

Filesize
332KB

Download
memory/1732-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1732-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1732-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1732-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1732-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2328-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-149-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2740-146-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2740-148-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2740-134-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2740-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-211-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2740-241-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2740-243-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/2740-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-248-0x00000000034A0000-0x00000000034F3000-memory.dmp

Filesize
332KB

Download
memory/3064-166-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/3064-177-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/3064-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3064-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3064-156-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/3064-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads