modiloader | a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
24-09-2024 22:26

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General

Target

a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
Size

90KB
MD5

c90e746d1b17ea06a6626a7997b91f20
SHA1

58efe199586242c05d660518de74cadb76afde85
SHA256

a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495
SHA512

87340c1da4431d0c607e467f5fdd3e252484ea059e6b3d9f9d3bc5de718f04e95555ff8931ecba173e4f5928561da9dac3b39110c7f620b8c0ccbf802364a7d6
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/1148-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2952	csrsll.exe
988	csrsll.exe
1148	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.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-1-5-21-3434294380-2554721341-1919518612-1000\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 1648 set thread context of 2912	1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	31
PID 2952 set thread context of 988	2952	csrsll.exe	36
PID 2952 set thread context of 1148	2952	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1648-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1648-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1648-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1648-90-0x0000000002760000-0x00000000027B3000-memory.dmp	upx
behavioral1/memory/2912-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2912-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2912-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1648-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2912-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2912-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2912-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2912-145-0x0000000003260000-0x00000000032B3000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-143.dat	upx
behavioral1/memory/2952-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2912-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2912-153-0x0000000003260000-0x00000000032B3000-memory.dmp	upx
behavioral1/memory/2952-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2912-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1148-246-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2952-245-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1148-257-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/988-260-0x0000000000400000-0x000000000040B000-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	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.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	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe
Token: SeDebugPrivilege	988	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
2952	csrsll.exe
988	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 2912	1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	31
PID 1648 wrote to memory of 2912	1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	31
PID 1648 wrote to memory of 2912	1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	31
PID 1648 wrote to memory of 2912	1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	31
PID 1648 wrote to memory of 2912	1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	31
PID 1648 wrote to memory of 2912	1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	31
PID 1648 wrote to memory of 2912	1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	31
PID 1648 wrote to memory of 2912	1648	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	31
PID 2912 wrote to memory of 3044	2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	32
PID 2912 wrote to memory of 3044	2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	32
PID 2912 wrote to memory of 3044	2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	32
PID 2912 wrote to memory of 3044	2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	32
PID 3044 wrote to memory of 3036	3044	cmd.exe	34
PID 3044 wrote to memory of 3036	3044	cmd.exe	34
PID 3044 wrote to memory of 3036	3044	cmd.exe	34
PID 3044 wrote to memory of 3036	3044	cmd.exe	34
PID 2912 wrote to memory of 2952	2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	35
PID 2912 wrote to memory of 2952	2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	35
PID 2912 wrote to memory of 2952	2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	35
PID 2912 wrote to memory of 2952	2912	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	35
PID 2952 wrote to memory of 988	2952	csrsll.exe	36
PID 2952 wrote to memory of 988	2952	csrsll.exe	36
PID 2952 wrote to memory of 988	2952	csrsll.exe	36
PID 2952 wrote to memory of 988	2952	csrsll.exe	36
PID 2952 wrote to memory of 988	2952	csrsll.exe	36
PID 2952 wrote to memory of 988	2952	csrsll.exe	36
PID 2952 wrote to memory of 988	2952	csrsll.exe	36
PID 2952 wrote to memory of 988	2952	csrsll.exe	36
PID 2952 wrote to memory of 1148	2952	csrsll.exe	37
PID 2952 wrote to memory of 1148	2952	csrsll.exe	37
PID 2952 wrote to memory of 1148	2952	csrsll.exe	37
PID 2952 wrote to memory of 1148	2952	csrsll.exe	37
PID 2952 wrote to memory of 1148	2952	csrsll.exe	37
PID 2952 wrote to memory of 1148	2952	csrsll.exe	37
PID 2952 wrote to memory of 1148	2952	csrsll.exe	37
PID 2952 wrote to memory of 1148	2952	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
"C:\Users\Admin\AppData\Local\Temp\a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
  "C:\Users\Admin\AppData\Local\Temp\a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\FSYPX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3044
  - - 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:3036
- - 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:2952
  - - 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:988
  - - 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:1148

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\FSYPX.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8486b60c24b0ddf305ab0c5fbe40c743

SHA1
a4f2cc8b582b269f540df638a5cb9cbe24e5879c

SHA256
702690503a57d0b9e9fce251bb852d6a50e4683a3fcccdcbdfa043d7598d6241

SHA512
41d50d76b698ef19ca48f39aeb59d49d0f5aeeb6289605774d6fda72a22de4d45e12539e87040d1e88f6698a7a6f93cdf3ac9c02ffbf947f69e3d9608b8b88f1

Download Submit
memory/988-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1148-246-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1148-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1648-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/1648-41-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1648-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-90-0x0000000002760000-0x00000000027B3000-memory.dmp

Filesize
332KB

Download
memory/1648-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/1648-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1648-29-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1648-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-16-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1648-14-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1648-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1648-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1648-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2912-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2912-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2912-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2912-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2912-146-0x0000000003260000-0x00000000032B3000-memory.dmp

Filesize
332KB

Download
memory/2912-145-0x0000000003260000-0x00000000032B3000-memory.dmp

Filesize
332KB

Download
memory/2912-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2912-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2912-147-0x0000000003260000-0x00000000032B3000-memory.dmp

Filesize
332KB

Download
memory/2912-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2912-153-0x0000000003260000-0x00000000032B3000-memory.dmp

Filesize
332KB

Download
memory/2912-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2912-217-0x0000000003260000-0x00000000032B3000-memory.dmp

Filesize
332KB

Download
memory/2912-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2952-156-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2952-245-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2952-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2952-166-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2952-177-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2952-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads