modiloader | 589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 21:57

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General

Target

589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
Size

90KB
MD5

cda5320885d1774094a0aa711b51dea0
SHA1

f5e4127a4028f14f85a2c3faf72e2845190b8b99
SHA256

589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614
SHA512

e88dc72c40ed8a5ef53e24681a8a878ec57e0f6adbe5ef02ea4d4b081db81f5098943ec6ebe0652ca83929a3359dace264826d57b973d41fa8c7064b76d669bb
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDA:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3u

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/2252-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2744	csrsll.exe
984	csrsll.exe
2252	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.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-1-5-21-312935884-697965778-3955649944-1000\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 2688 set thread context of 2068	2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	31
PID 2744 set thread context of 984	2744	csrsll.exe	36
PID 2744 set thread context of 2252	2744	csrsll.exe	37

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2688-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2688-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2688-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2688-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2068-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2688-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2068-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2068-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2068-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2688-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2068-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2068-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2068-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2068-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2688-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0034000000016e73-146.dat	upx
behavioral1/memory/2068-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2252-257-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2068-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2744-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2744-232-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/984-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2252-264-0x0000000000400000-0x0000000000414000-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	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	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe
Token: SeDebugPrivilege	984	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
2744	csrsll.exe
984	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2068	2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	31
PID 2688 wrote to memory of 2068	2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	31
PID 2688 wrote to memory of 2068	2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	31
PID 2688 wrote to memory of 2068	2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	31
PID 2688 wrote to memory of 2068	2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	31
PID 2688 wrote to memory of 2068	2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	31
PID 2688 wrote to memory of 2068	2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	31
PID 2688 wrote to memory of 2068	2688	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	31
PID 2068 wrote to memory of 2780	2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	32
PID 2068 wrote to memory of 2780	2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	32
PID 2068 wrote to memory of 2780	2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	32
PID 2068 wrote to memory of 2780	2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	32
PID 2780 wrote to memory of 1308	2780	cmd.exe	34
PID 2780 wrote to memory of 1308	2780	cmd.exe	34
PID 2780 wrote to memory of 1308	2780	cmd.exe	34
PID 2780 wrote to memory of 1308	2780	cmd.exe	34
PID 2068 wrote to memory of 2744	2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	35
PID 2068 wrote to memory of 2744	2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	35
PID 2068 wrote to memory of 2744	2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	35
PID 2068 wrote to memory of 2744	2068	589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe	35
PID 2744 wrote to memory of 984	2744	csrsll.exe	36
PID 2744 wrote to memory of 984	2744	csrsll.exe	36
PID 2744 wrote to memory of 984	2744	csrsll.exe	36
PID 2744 wrote to memory of 984	2744	csrsll.exe	36
PID 2744 wrote to memory of 984	2744	csrsll.exe	36
PID 2744 wrote to memory of 984	2744	csrsll.exe	36
PID 2744 wrote to memory of 984	2744	csrsll.exe	36
PID 2744 wrote to memory of 984	2744	csrsll.exe	36
PID 2744 wrote to memory of 2252	2744	csrsll.exe	37
PID 2744 wrote to memory of 2252	2744	csrsll.exe	37
PID 2744 wrote to memory of 2252	2744	csrsll.exe	37
PID 2744 wrote to memory of 2252	2744	csrsll.exe	37
PID 2744 wrote to memory of 2252	2744	csrsll.exe	37
PID 2744 wrote to memory of 2252	2744	csrsll.exe	37
PID 2744 wrote to memory of 2252	2744	csrsll.exe	37
PID 2744 wrote to memory of 2252	2744	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
"C:\Users\Admin\AppData\Local\Temp\589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Users\Admin\AppData\Local\Temp\589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe
  "C:\Users\Admin\AppData\Local\Temp\589b45f3892235811b589ccef148003ec9a3e662f6419186c363f32da7186614N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\EJYWF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2780
  - - 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:1308
- - 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:2744
  - - 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:984
  - - 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:2252

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\EJYWF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e1ed3e16d66dab38ae695861c68d6b65

SHA1
5d482880ed71bb68cac223143a3411ea7a4f9aba

SHA256
d5d1ddd6746a579affebd9051375851e5a9f5ae4e513587f36f24602fd1bb826

SHA512
ef3c9a339c51ac5201a74f7c67736f1fc6d4e220125c0a1bbdae6e39cffc533a0f0f20b37fb046b63ed0e24321ed6c3c400d28db979e59f8f6b450490fde4e62

Download Submit
memory/984-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-216-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2068-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-224-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2068-212-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2068-215-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2068-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-148-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2068-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2068-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-149-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2068-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2068-150-0x00000000026A0000-0x00000000026F3000-memory.dmp

Filesize
332KB

Download
memory/2068-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2252-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2252-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2688-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2688-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2688-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-41-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2688-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-19-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2688-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2688-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-29-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2688-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2688-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-61-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2688-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2744-232-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2744-167-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2744-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2744-157-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads