modiloader | f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 12:12

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General

Target

f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
Size

90KB
MD5

43e97117bfade5aa4c5614aaf9a7ad80
SHA1

42b98fea6bc225bb7941d49bcaf2fb23c8d83c3b
SHA256

f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96
SHA512

5a2009d430089fb8af7a1d7367c400a4a2ca092908e02b157d8bbf938a139e5c2b7e8b45ff0619da5c790b2285f69232889a2bb89dbffee97c1b178fab39f3ca
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 family
modiloader

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1800-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid	Process
2876	csrsll.exe
1124	csrsll.exe
1800	csrsll.exe

Loads dropped DLL 5 IoCs

Processes:

f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe

pid	Process
2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.execsrsll.exe

description	pid	Process	procid_target
PID 692 set thread context of 2096	692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	31
PID 2876 set thread context of 1124	2876	csrsll.exe	36
PID 2876 set thread context of 1800	2876	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/692-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/692-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2096-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2096-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/692-99-0x0000000002710000-0x0000000002763000-memory.dmp	upx
behavioral1/memory/692-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2096-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/692-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2096-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2096-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2096-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0009000000016332-132.dat	upx
behavioral1/memory/2096-134-0x0000000003240000-0x0000000003293000-memory.dmp	upx
behavioral1/memory/2096-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2876-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1800-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2876-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2096-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1124-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1800-260-0x0000000000400000-0x0000000000414000-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

Processes:

csrsll.execsrsll.execsrsll.exef709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exef709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.execmd.exereg.exe

description	ioc	Process
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	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

csrsll.exe

description	pid	Process
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe
Token: SeDebugPrivilege	1124	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exef709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.execsrsll.execsrsll.exe

pid	Process
692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
2876	csrsll.exe
1124	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exef709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.execmd.execsrsll.exe

description	pid	Process	procid_target
PID 692 wrote to memory of 2096	692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	31
PID 692 wrote to memory of 2096	692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	31
PID 692 wrote to memory of 2096	692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	31
PID 692 wrote to memory of 2096	692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	31
PID 692 wrote to memory of 2096	692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	31
PID 692 wrote to memory of 2096	692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	31
PID 692 wrote to memory of 2096	692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	31
PID 692 wrote to memory of 2096	692	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	31
PID 2096 wrote to memory of 2976	2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	32
PID 2096 wrote to memory of 2976	2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	32
PID 2096 wrote to memory of 2976	2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	32
PID 2096 wrote to memory of 2976	2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	32
PID 2976 wrote to memory of 1672	2976	cmd.exe	34
PID 2976 wrote to memory of 1672	2976	cmd.exe	34
PID 2976 wrote to memory of 1672	2976	cmd.exe	34
PID 2976 wrote to memory of 1672	2976	cmd.exe	34
PID 2096 wrote to memory of 2876	2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	35
PID 2096 wrote to memory of 2876	2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	35
PID 2096 wrote to memory of 2876	2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	35
PID 2096 wrote to memory of 2876	2096	f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe	35
PID 2876 wrote to memory of 1124	2876	csrsll.exe	36
PID 2876 wrote to memory of 1124	2876	csrsll.exe	36
PID 2876 wrote to memory of 1124	2876	csrsll.exe	36
PID 2876 wrote to memory of 1124	2876	csrsll.exe	36
PID 2876 wrote to memory of 1124	2876	csrsll.exe	36
PID 2876 wrote to memory of 1124	2876	csrsll.exe	36
PID 2876 wrote to memory of 1124	2876	csrsll.exe	36
PID 2876 wrote to memory of 1124	2876	csrsll.exe	36
PID 2876 wrote to memory of 1800	2876	csrsll.exe	37
PID 2876 wrote to memory of 1800	2876	csrsll.exe	37
PID 2876 wrote to memory of 1800	2876	csrsll.exe	37
PID 2876 wrote to memory of 1800	2876	csrsll.exe	37
PID 2876 wrote to memory of 1800	2876	csrsll.exe	37
PID 2876 wrote to memory of 1800	2876	csrsll.exe	37
PID 2876 wrote to memory of 1800	2876	csrsll.exe	37
PID 2876 wrote to memory of 1800	2876	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
"C:\Users\Admin\AppData\Local\Temp\f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:692
- C:\Users\Admin\AppData\Local\Temp\f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe
  "C:\Users\Admin\AppData\Local\Temp\f709c715dd07009d75294d96d28524ab7379553a76601ba6298246acb66ece96N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\HIDBE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2976
  - - 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:1672
- - 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:2876
  - - 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:1124
  - - 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:1800

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\HIDBE.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
04565ee110cbd49123621bdf256fe6e0

SHA1
5a4c3ce08b70c72220b5370c8e68ea8844957c37

SHA256
c8a66ed62cd7614922399a22eae69fea9b99696f3729ab82dee521c4e02dc9e7

SHA512
e4d7e8fb43e458902206c81cdf123b77ade192c83c3ed3ae0ab37b495f825b004e8595ab76dc376d781f40a0b4e3142c2ed5ec24348a283192ec79f60fb8ae71

Download Submit
memory/692-71-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/692-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/692-15-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/692-41-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/692-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/692-79-0x0000000000510000-0x0000000000512000-memory.dmp

Filesize
8KB

Download
memory/692-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/692-61-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/692-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/692-29-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/692-99-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/692-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/692-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/692-16-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1124-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1800-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1800-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2096-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2096-147-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/2096-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2096-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2096-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2096-134-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/2096-150-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/2096-149-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/2096-148-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/2096-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2096-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2096-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2096-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2096-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2096-213-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/2096-209-0x0000000003240000-0x0000000003293000-memory.dmp

Filesize
332KB

Download
memory/2096-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2876-157-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2876-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2876-167-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2876-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2876-178-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download