modiloader | 270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 19:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
Size

94KB
MD5

bb3a0948e634c7257a6fd9a5e2810d80
SHA1

8d2ff88d311a7e5963ce60740d23632dcc564352
SHA256

270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153
SHA512

05187608bea2bf35c919d20ec8f741085abca1ca328f370c62114dbe1b43cd1ee9537bb31ce3b0d9a6179d1705c36f73e1c4bbaec5ef662aad65ae4a18612e8f
SSDEEP

1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/:/pdyLALwACPmV3NYaYLiwIt3raA5BRfM

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 4 IoCs

resource	yara_rule
behavioral2/memory/4432-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4432-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4432-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4432-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe

Executes dropped EXE 3 IoCs

pid	Process
1528	csrsll.exe
2432	csrsll.exe
4432	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-1-5-21-2045521122-590294423-3465680274-1000\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 2232 set thread context of 1852	2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	83
PID 1528 set thread context of 2432	1528	csrsll.exe	90
PID 1528 set thread context of 4432	1528	csrsll.exe	91

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2232-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1852-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1852-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1852-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2232-11-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/files/0x0008000000023cae-27.dat	upx
behavioral2/memory/1528-34-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1528-38-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1528-39-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1852-48-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4432-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4432-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4432-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4432-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4432-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1528-56-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1852-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2432-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4432-61-0x0000000000400000-0x0000000000414000-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	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.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	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
1852	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
1528	csrsll.exe
2432	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 1852	2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	83
PID 2232 wrote to memory of 1852	2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	83
PID 2232 wrote to memory of 1852	2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	83
PID 2232 wrote to memory of 1852	2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	83
PID 2232 wrote to memory of 1852	2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	83
PID 2232 wrote to memory of 1852	2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	83
PID 2232 wrote to memory of 1852	2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	83
PID 2232 wrote to memory of 1852	2232	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	83
PID 1852 wrote to memory of 1676	1852	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	84
PID 1852 wrote to memory of 1676	1852	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	84
PID 1852 wrote to memory of 1676	1852	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	84
PID 1676 wrote to memory of 3084	1676	cmd.exe	88
PID 1676 wrote to memory of 3084	1676	cmd.exe	88
PID 1676 wrote to memory of 3084	1676	cmd.exe	88
PID 1852 wrote to memory of 1528	1852	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	89
PID 1852 wrote to memory of 1528	1852	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	89
PID 1852 wrote to memory of 1528	1852	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	89
PID 1528 wrote to memory of 2432	1528	csrsll.exe	90
PID 1528 wrote to memory of 2432	1528	csrsll.exe	90
PID 1528 wrote to memory of 2432	1528	csrsll.exe	90
PID 1528 wrote to memory of 2432	1528	csrsll.exe	90
PID 1528 wrote to memory of 2432	1528	csrsll.exe	90
PID 1528 wrote to memory of 2432	1528	csrsll.exe	90
PID 1528 wrote to memory of 2432	1528	csrsll.exe	90
PID 1528 wrote to memory of 2432	1528	csrsll.exe	90
PID 1528 wrote to memory of 4432	1528	csrsll.exe	91
PID 1528 wrote to memory of 4432	1528	csrsll.exe	91
PID 1528 wrote to memory of 4432	1528	csrsll.exe	91
PID 1528 wrote to memory of 4432	1528	csrsll.exe	91
PID 1528 wrote to memory of 4432	1528	csrsll.exe	91
PID 1528 wrote to memory of 4432	1528	csrsll.exe	91
PID 1528 wrote to memory of 4432	1528	csrsll.exe	91
PID 1528 wrote to memory of 4432	1528	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
"C:\Users\Admin\AppData\Local\Temp\270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
  "C:\Users\Admin\AppData\Local\Temp\270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1852
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OKKWT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1676
  - - 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:3084
- - 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:1528
  - - 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:2432
  - - 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:4432

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\OKKWT.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
f9837b2ad4f643e0d1140b8671489e87

SHA1
c991ffe41d6bcf0fb70071aef97270f45652878f

SHA256
5bd6aff87f932b2df5978c0f93a958322dce07119bb924723d3168e3ab377d54

SHA512
383bc3a413fcdb633c8c8fafd0005bbd5929282867aa858e5583fa9428ce0f3200b67ebe83e9a0484926e6f643e2ccd107bafbc25baa83abdc49be43a8d88e9f

Download Submit
memory/1528-56-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1528-39-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1528-38-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1528-34-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1852-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1852-48-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1852-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1852-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1852-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1852-57-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2232-4-0x0000000002A40000-0x0000000002A41000-memory.dmp

Filesize
4KB

Download
memory/2232-3-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/2232-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2232-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2432-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4432-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4432-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4432-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4432-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4432-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4432-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads