modiloader | fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 16:53

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General

Target

fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe
Size

90KB
MD5

7ae461f466f338115e8af02f9dcc11f3
SHA1

eb803d82b2669d62cc27d7e7c4391462a8ca9338
SHA256

fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068
SHA512

71158a16ccd9f704487c91d5e7974640da754a0d180f7354e675758c24b97837ed0b542523b7cc7ed4de543f9c68e40e1189c84d7f90c1bf11e7a6c954be910f
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDm:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3g

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/1940-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2112	csrsll.exe
860	csrsll.exe
1940	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe
1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe
1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe
1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe
1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.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-1-5-21-2039016743-699959520-214465309-1000\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 2568 set thread context of 1456	2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	30
PID 2112 set thread context of 860	2112	csrsll.exe	35
PID 2112 set thread context of 1940	2112	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2568-1-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1456-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1456-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-99-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1456-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1456-91-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1456-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1456-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1456-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1456-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000c000000012263-131.dat	upx
behavioral1/memory/1456-133-0x00000000036B0000-0x0000000003703000-memory.dmp	upx
behavioral1/memory/1456-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1940-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1456-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/860-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1940-262-0x0000000000400000-0x0000000000414000-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	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe
Token: SeDebugPrivilege	860	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe
1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe
2112	csrsll.exe
860	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1456	2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	30
PID 2568 wrote to memory of 1456	2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	30
PID 2568 wrote to memory of 1456	2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	30
PID 2568 wrote to memory of 1456	2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	30
PID 2568 wrote to memory of 1456	2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	30
PID 2568 wrote to memory of 1456	2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	30
PID 2568 wrote to memory of 1456	2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	30
PID 2568 wrote to memory of 1456	2568	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	30
PID 1456 wrote to memory of 2516	1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	31
PID 1456 wrote to memory of 2516	1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	31
PID 1456 wrote to memory of 2516	1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	31
PID 1456 wrote to memory of 2516	1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	31
PID 2516 wrote to memory of 872	2516	cmd.exe	33
PID 2516 wrote to memory of 872	2516	cmd.exe	33
PID 2516 wrote to memory of 872	2516	cmd.exe	33
PID 2516 wrote to memory of 872	2516	cmd.exe	33
PID 1456 wrote to memory of 2112	1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	34
PID 1456 wrote to memory of 2112	1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	34
PID 1456 wrote to memory of 2112	1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	34
PID 1456 wrote to memory of 2112	1456	fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe	34
PID 2112 wrote to memory of 860	2112	csrsll.exe	35
PID 2112 wrote to memory of 860	2112	csrsll.exe	35
PID 2112 wrote to memory of 860	2112	csrsll.exe	35
PID 2112 wrote to memory of 860	2112	csrsll.exe	35
PID 2112 wrote to memory of 860	2112	csrsll.exe	35
PID 2112 wrote to memory of 860	2112	csrsll.exe	35
PID 2112 wrote to memory of 860	2112	csrsll.exe	35
PID 2112 wrote to memory of 860	2112	csrsll.exe	35
PID 2112 wrote to memory of 1940	2112	csrsll.exe	36
PID 2112 wrote to memory of 1940	2112	csrsll.exe	36
PID 2112 wrote to memory of 1940	2112	csrsll.exe	36
PID 2112 wrote to memory of 1940	2112	csrsll.exe	36
PID 2112 wrote to memory of 1940	2112	csrsll.exe	36
PID 2112 wrote to memory of 1940	2112	csrsll.exe	36
PID 2112 wrote to memory of 1940	2112	csrsll.exe	36
PID 2112 wrote to memory of 1940	2112	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe
"C:\Users\Admin\AppData\Local\Temp\fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Users\Admin\AppData\Local\Temp\fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe
  "C:\Users\Admin\AppData\Local\Temp\fad6fb9bb472290e17dbfc524889b6dd2f8df3d4626e00e0d4c02e06e0c83068.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\QDFAA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2516
  - - 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:872
- - 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:2112
  - - 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:860
  - - 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:1940

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\QDFAA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
cedc8fa3f8901bf01efa4117e658f300

SHA1
3cc804a0949e44c5c81930ef5d5c7cf37d4f6299

SHA256
f46360d34b911d9defef7660fc1b2c4dc7ef24927adab193d2efee7b2e866868

SHA512
03a21aac5b45463a4a37462c5914e24f07885cb3ea8b855fef47add4b564af649937f75612a3277a3dc105f03ef8f2db6a8acf7e459a68a5bdce1955b94c6748

Download Submit
memory/860-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-242-0x00000000036B0000-0x0000000003703000-memory.dmp

Filesize
332KB

Download
memory/1456-246-0x00000000036B0000-0x0000000003703000-memory.dmp

Filesize
332KB

Download
memory/1456-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-210-0x00000000036B0000-0x0000000003703000-memory.dmp

Filesize
332KB

Download
memory/1456-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1456-133-0x00000000036B0000-0x0000000003703000-memory.dmp

Filesize
332KB

Download
memory/1456-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-89-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-146-0x00000000036B0000-0x0000000003703000-memory.dmp

Filesize
332KB

Download
memory/1456-147-0x00000000036B0000-0x0000000003703000-memory.dmp

Filesize
332KB

Download
memory/1456-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-240-0x00000000036B0000-0x0000000003703000-memory.dmp

Filesize
332KB

Download
memory/1456-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1456-148-0x00000000036B0000-0x0000000003703000-memory.dmp

Filesize
332KB

Download
memory/1940-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1940-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2112-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2112-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-165-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2112-176-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2568-1-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2568-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2568-99-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2568-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2568-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2568-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2568-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2568-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2568-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2568-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2568-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2568-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2568-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads