modiloader | 2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 08:40

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General

Target

2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
Size

90KB
MD5

d42d708f0e8e8a9a5dad7426503b03fb
SHA1

825aa9cc85ef116ba3afe3e86b54cd9810936c09
SHA256

2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18
SHA512

a93237df03de81476d6a15c1df545fb0be3332a4cbda9160f1d02a3654802729370afb88106241b55717d0dff3d8418a187a473a3b58a2ff0a1f1fe760ba193c
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD8:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3+

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 2 IoCs

resource	yara_rule
behavioral1/memory/1804-253-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1804-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2064	csrsll.exe
324	csrsll.exe
1804	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.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-1-5-21-2703099537-420551529-3771253338-1000\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 2720 set thread context of 2148	2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	30
PID 2064 set thread context of 324	2064	csrsll.exe	35
PID 2064 set thread context of 1804	2064	csrsll.exe	36

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2720-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-33-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2148-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2148-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2148-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2148-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-109-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2148-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2148-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00080000000120fb-134.dat	upx
behavioral1/memory/2064-151-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2148-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2148-155-0x0000000003390000-0x00000000033E3000-memory.dmp	upx
behavioral1/memory/2064-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1804-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2064-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2148-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/324-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1804-262-0x0000000000400000-0x0000000000414000-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	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe
Token: SeDebugPrivilege	324	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
2064	csrsll.exe
324	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2148	2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	30
PID 2720 wrote to memory of 2148	2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	30
PID 2720 wrote to memory of 2148	2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	30
PID 2720 wrote to memory of 2148	2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	30
PID 2720 wrote to memory of 2148	2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	30
PID 2720 wrote to memory of 2148	2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	30
PID 2720 wrote to memory of 2148	2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	30
PID 2720 wrote to memory of 2148	2720	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	30
PID 2148 wrote to memory of 1432	2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	31
PID 2148 wrote to memory of 1432	2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	31
PID 2148 wrote to memory of 1432	2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	31
PID 2148 wrote to memory of 1432	2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	31
PID 1432 wrote to memory of 1620	1432	cmd.exe	33
PID 1432 wrote to memory of 1620	1432	cmd.exe	33
PID 1432 wrote to memory of 1620	1432	cmd.exe	33
PID 1432 wrote to memory of 1620	1432	cmd.exe	33
PID 2148 wrote to memory of 2064	2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	34
PID 2148 wrote to memory of 2064	2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	34
PID 2148 wrote to memory of 2064	2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	34
PID 2148 wrote to memory of 2064	2148	2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe	34
PID 2064 wrote to memory of 324	2064	csrsll.exe	35
PID 2064 wrote to memory of 324	2064	csrsll.exe	35
PID 2064 wrote to memory of 324	2064	csrsll.exe	35
PID 2064 wrote to memory of 324	2064	csrsll.exe	35
PID 2064 wrote to memory of 324	2064	csrsll.exe	35
PID 2064 wrote to memory of 324	2064	csrsll.exe	35
PID 2064 wrote to memory of 324	2064	csrsll.exe	35
PID 2064 wrote to memory of 324	2064	csrsll.exe	35
PID 2064 wrote to memory of 1804	2064	csrsll.exe	36
PID 2064 wrote to memory of 1804	2064	csrsll.exe	36
PID 2064 wrote to memory of 1804	2064	csrsll.exe	36
PID 2064 wrote to memory of 1804	2064	csrsll.exe	36
PID 2064 wrote to memory of 1804	2064	csrsll.exe	36
PID 2064 wrote to memory of 1804	2064	csrsll.exe	36
PID 2064 wrote to memory of 1804	2064	csrsll.exe	36
PID 2064 wrote to memory of 1804	2064	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
"C:\Users\Admin\AppData\Local\Temp\2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Users\Admin\AppData\Local\Temp\2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe
  "C:\Users\Admin\AppData\Local\Temp\2159e52c09a42280b7d1b75376910feddae3040b363365f542aefec0f9f25d18.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\FQVRF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1432
  - - 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:1620
- - 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:2064
  - - 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:324
  - - 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:1804

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\FQVRF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8edc9146f24237cc727b23477c52c673

SHA1
ef9a6889c1d9d3e0a070c5f0055e541d32275745

SHA256
31dffe61584554bdf0d53c341455f3e27e92839e161cef3c3b86f395363284e4

SHA512
ac33851f743aa47775b47f83080806172cb1bd696d0b46f67a8fc9e3ef5fd2a850650c964bb49f07f9b12fd32417d8b897a4cc7423c6384b9c162a3c23ba7734

Download Submit
memory/324-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1804-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1804-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2064-151-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2064-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2064-179-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2064-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2064-168-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2064-158-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2148-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2148-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-155-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/2148-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-212-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/2148-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-149-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/2148-148-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/2148-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2148-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-95-0x00000000025A0000-0x00000000025F3000-memory.dmp

Filesize
332KB

Download
memory/2720-109-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2720-41-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2720-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2720-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2720-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/2720-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2720-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2720-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2720-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2720-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2720-28-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2720-33-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2720-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2720-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2720-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2720-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads