modiloader | fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 14:10

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General

Target

fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe
Size

90KB
MD5

0402dc589461cd51678e448292dbeb91
SHA1

73cca4f7766529e5aa7145ea4f285886297c1c59
SHA256

fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb
SHA512

88968f99a8dcf9816a99c561da0f92561da36a6cbcf38029b9321acf453e6bb4b187037a7c8bc3170100f321240e321fbcba7b7ebb6434637eea32f2cbbc6a20
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 4 IoCs

resource	yara_rule
behavioral2/memory/4228-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4228-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4228-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4228-63-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe

Executes dropped EXE 3 IoCs

pid	Process
3732	csrsll.exe
5020	csrsll.exe
4228	csrsll.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-1-5-21-2412658365-3084825385-3340777666-1000\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 868 set thread context of 1604	868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	82
PID 3732 set thread context of 5020	3732	csrsll.exe	95
PID 3732 set thread context of 4228	3732	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/868-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/868-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1604-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1604-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/868-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1604-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000233e2-29.dat	upx
behavioral2/memory/3732-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1604-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3732-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3732-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4228-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4228-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4228-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4228-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4228-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3732-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1604-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5020-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4228-63-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe
Token: SeDebugPrivilege	5020	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe
1604	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe
3732	csrsll.exe
5020	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 1604	868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	82
PID 868 wrote to memory of 1604	868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	82
PID 868 wrote to memory of 1604	868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	82
PID 868 wrote to memory of 1604	868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	82
PID 868 wrote to memory of 1604	868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	82
PID 868 wrote to memory of 1604	868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	82
PID 868 wrote to memory of 1604	868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	82
PID 868 wrote to memory of 1604	868	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	82
PID 1604 wrote to memory of 3568	1604	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	87
PID 1604 wrote to memory of 3568	1604	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	87
PID 1604 wrote to memory of 3568	1604	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	87
PID 3568 wrote to memory of 2636	3568	cmd.exe	90
PID 3568 wrote to memory of 2636	3568	cmd.exe	90
PID 3568 wrote to memory of 2636	3568	cmd.exe	90
PID 1604 wrote to memory of 3732	1604	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	91
PID 1604 wrote to memory of 3732	1604	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	91
PID 1604 wrote to memory of 3732	1604	fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe	91
PID 3732 wrote to memory of 5020	3732	csrsll.exe	95
PID 3732 wrote to memory of 5020	3732	csrsll.exe	95
PID 3732 wrote to memory of 5020	3732	csrsll.exe	95
PID 3732 wrote to memory of 5020	3732	csrsll.exe	95
PID 3732 wrote to memory of 5020	3732	csrsll.exe	95
PID 3732 wrote to memory of 5020	3732	csrsll.exe	95
PID 3732 wrote to memory of 5020	3732	csrsll.exe	95
PID 3732 wrote to memory of 5020	3732	csrsll.exe	95
PID 3732 wrote to memory of 4228	3732	csrsll.exe	96
PID 3732 wrote to memory of 4228	3732	csrsll.exe	96
PID 3732 wrote to memory of 4228	3732	csrsll.exe	96
PID 3732 wrote to memory of 4228	3732	csrsll.exe	96
PID 3732 wrote to memory of 4228	3732	csrsll.exe	96
PID 3732 wrote to memory of 4228	3732	csrsll.exe	96
PID 3732 wrote to memory of 4228	3732	csrsll.exe	96
PID 3732 wrote to memory of 4228	3732	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe
"C:\Users\Admin\AppData\Local\Temp\fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe
  "C:\Users\Admin\AppData\Local\Temp\fe42d62526ac23cf94a1def056b337ad9407562ee0dbe7e9fd23ed665ae19fcb.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SQPTG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3568
  - - 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:2636
- - 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:3732
  - - 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:5020
  - - 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:4228

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

Query Registry

T1012

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\SQPTG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ac2297f2e0a432b977f3bc0c3873d378

SHA1
6c38e2618f9deb8572b90e03ee7585b146748a74

SHA256
02253250409a0a2e3dda4d469f15de744c89160ca2dd9d712d57bfff0d668f48

SHA512
9f2cc928cf043eaa445b29f969f1d8b803d2b09af788bb465ee531a0cec63a94c5c6bd7315b0937684fc4d0c9ae8dbb2c07e886ea95a51ac656093ba522a29fb

Download Submit
memory/868-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/868-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/868-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/868-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/868-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/868-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1604-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1604-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1604-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1604-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1604-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3732-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3732-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3732-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3732-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4228-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4228-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5020-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads