modiloader | 090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dc

Analysis

max time kernel
119s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 11:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe
Size

90KB
MD5

b05e479057b1426c5ba9e9a0d934d990
SHA1

42dc94adb7b48ea8ed47a3ff3d19209d84093690
SHA256

090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dc
SHA512

c3b1755efaaacd8020d1dfb71c45997e900503a7bc9190615586a0488e0c26aaa991769f9aadc69b8964ba07f8e1eba8859246afef5d269e847a53bf30725070
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 family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/2220-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2220-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2220-60-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2220-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe

Executes dropped EXE 3 IoCs

pid	Process
4040	csrsll.exe
3084	csrsll.exe
2220	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-1-5-21-3350944739-639801879-157714471-1000\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 4836 set thread context of 232	4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	83
PID 4040 set thread context of 3084	4040	csrsll.exe	97
PID 4040 set thread context of 2220	4040	csrsll.exe	98

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4836-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4836-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/232-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/232-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4836-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/232-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/232-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c83-29.dat	upx
behavioral2/memory/4040-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/232-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4040-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4040-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2220-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2220-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2220-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4040-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2220-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/232-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2220-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3084-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2220-63-0x0000000000400000-0x0000000000414000-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	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	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe
Token: SeDebugPrivilege	3084	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe
232	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe
4040	csrsll.exe
3084	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 232	4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	83
PID 4836 wrote to memory of 232	4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	83
PID 4836 wrote to memory of 232	4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	83
PID 4836 wrote to memory of 232	4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	83
PID 4836 wrote to memory of 232	4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	83
PID 4836 wrote to memory of 232	4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	83
PID 4836 wrote to memory of 232	4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	83
PID 4836 wrote to memory of 232	4836	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	83
PID 232 wrote to memory of 1504	232	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	84
PID 232 wrote to memory of 1504	232	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	84
PID 232 wrote to memory of 1504	232	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	84
PID 1504 wrote to memory of 4784	1504	cmd.exe	88
PID 1504 wrote to memory of 4784	1504	cmd.exe	88
PID 1504 wrote to memory of 4784	1504	cmd.exe	88
PID 232 wrote to memory of 4040	232	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	89
PID 232 wrote to memory of 4040	232	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	89
PID 232 wrote to memory of 4040	232	090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe	89
PID 4040 wrote to memory of 3084	4040	csrsll.exe	97
PID 4040 wrote to memory of 3084	4040	csrsll.exe	97
PID 4040 wrote to memory of 3084	4040	csrsll.exe	97
PID 4040 wrote to memory of 3084	4040	csrsll.exe	97
PID 4040 wrote to memory of 3084	4040	csrsll.exe	97
PID 4040 wrote to memory of 3084	4040	csrsll.exe	97
PID 4040 wrote to memory of 3084	4040	csrsll.exe	97
PID 4040 wrote to memory of 3084	4040	csrsll.exe	97
PID 4040 wrote to memory of 2220	4040	csrsll.exe	98
PID 4040 wrote to memory of 2220	4040	csrsll.exe	98
PID 4040 wrote to memory of 2220	4040	csrsll.exe	98
PID 4040 wrote to memory of 2220	4040	csrsll.exe	98
PID 4040 wrote to memory of 2220	4040	csrsll.exe	98
PID 4040 wrote to memory of 2220	4040	csrsll.exe	98
PID 4040 wrote to memory of 2220	4040	csrsll.exe	98
PID 4040 wrote to memory of 2220	4040	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe
"C:\Users\Admin\AppData\Local\Temp\090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Users\Admin\AppData\Local\Temp\090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe
  "C:\Users\Admin\AppData\Local\Temp\090790edbad39b81729c9b278f4d3b31abb2480819c9177cf8c9a31aff0080dcN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:232
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CMCXU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - 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:4784
- - 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:4040
  - - 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:3084
  - - 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:2220

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\CMCXU.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
227c9fb4a3f9e59290bce9a938f685bf

SHA1
96b3f11cd7bd31cda235b9d40970622183f761ff

SHA256
f0703ba319bb2c5a710cfffad40e7681228d30068345fd21857216297c9e1b9b

SHA512
49f94cd030b3d9aceec8609f1555d0641d176dc5730825a441f5ca726454ce9f59ca32c2fdd8ff9674ecc5bca4d6b7459fc02353fb303d402861d1ceac9dcdc8

Download Submit
memory/232-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/232-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/232-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/232-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/232-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/232-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/232-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2220-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3084-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4040-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4040-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4040-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4040-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4836-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4836-4-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4836-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4836-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4836-6-0x0000000002A90000-0x0000000002A92000-memory.dmp

Filesize
8KB

Download
memory/4836-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads