modiloader | 065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367d

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 22:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
Size

94KB
MD5

84db6ac68e92f0549c176f675adcbe40
SHA1

339646b794626ce6a91ab210f030cfc2120630b7
SHA256

065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367d
SHA512

daa4477d6d9787d36f55b796e21bf64a8591c482ffa1c02e60c4d0abd60135a02f2629e7ceca78ae18bdf67641e7161fa88b1def9084e70122c5c2b1ce33ec4f
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/4256-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4256-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4256-49-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4256-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe

Executes dropped EXE 3 IoCs

pid	Process
2296	csrsll.exe
1600	csrsll.exe
4256	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-1-5-21-2878641211-696417878-3864914810-1000\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 4544 set thread context of 4192	4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	83
PID 2296 set thread context of 1600	2296	csrsll.exe	90
PID 2296 set thread context of 4256	2296	csrsll.exe	91

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4544-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/4192-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4192-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4544-11-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/4192-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c67-27.dat	upx
behavioral2/memory/2296-34-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2296-38-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/2296-39-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/4256-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4192-54-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4256-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2296-56-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1600-53-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4192-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4256-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4256-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4256-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1600-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4256-61-0x0000000000400000-0x0000000000414000-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	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	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe
Token: SeDebugPrivilege	1600	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
4192	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
2296	csrsll.exe
1600	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 4192	4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	83
PID 4544 wrote to memory of 4192	4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	83
PID 4544 wrote to memory of 4192	4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	83
PID 4544 wrote to memory of 4192	4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	83
PID 4544 wrote to memory of 4192	4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	83
PID 4544 wrote to memory of 4192	4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	83
PID 4544 wrote to memory of 4192	4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	83
PID 4544 wrote to memory of 4192	4544	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	83
PID 4192 wrote to memory of 3304	4192	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	84
PID 4192 wrote to memory of 3304	4192	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	84
PID 4192 wrote to memory of 3304	4192	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	84
PID 3304 wrote to memory of 1528	3304	cmd.exe	88
PID 3304 wrote to memory of 1528	3304	cmd.exe	88
PID 3304 wrote to memory of 1528	3304	cmd.exe	88
PID 4192 wrote to memory of 2296	4192	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	89
PID 4192 wrote to memory of 2296	4192	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	89
PID 4192 wrote to memory of 2296	4192	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	89
PID 2296 wrote to memory of 1600	2296	csrsll.exe	90
PID 2296 wrote to memory of 1600	2296	csrsll.exe	90
PID 2296 wrote to memory of 1600	2296	csrsll.exe	90
PID 2296 wrote to memory of 1600	2296	csrsll.exe	90
PID 2296 wrote to memory of 1600	2296	csrsll.exe	90
PID 2296 wrote to memory of 1600	2296	csrsll.exe	90
PID 2296 wrote to memory of 1600	2296	csrsll.exe	90
PID 2296 wrote to memory of 1600	2296	csrsll.exe	90
PID 2296 wrote to memory of 4256	2296	csrsll.exe	91
PID 2296 wrote to memory of 4256	2296	csrsll.exe	91
PID 2296 wrote to memory of 4256	2296	csrsll.exe	91
PID 2296 wrote to memory of 4256	2296	csrsll.exe	91
PID 2296 wrote to memory of 4256	2296	csrsll.exe	91
PID 2296 wrote to memory of 4256	2296	csrsll.exe	91
PID 2296 wrote to memory of 4256	2296	csrsll.exe	91
PID 2296 wrote to memory of 4256	2296	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
"C:\Users\Admin\AppData\Local\Temp\065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Users\Admin\AppData\Local\Temp\065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
  "C:\Users\Admin\AppData\Local\Temp\065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4192
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MLYFO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3304
  - - 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:1528
- - 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:2296
  - - 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:1600
  - - 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:4256

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\MLYFO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
ad6f906d4fb7f1a43cca51f0438582c0

SHA1
fcc54460fafdf99f1c3a06ef067a296710bcae11

SHA256
1eb144bd6138a33c761f6638992539deb2e1eeec1427c3d15e9778b6afbb4993

SHA512
a5ff7f7a30a2cc96b07d0958c6afcf0c6927ed987a1057335975de0af2eb85627912ea0ac9068e80bbd6237b368d827533cb6280837252a0d130f36cbf9719ec

Download Submit
memory/1600-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1600-53-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2296-56-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2296-34-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2296-39-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2296-38-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4192-54-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4192-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4192-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4192-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4192-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4256-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4256-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4256-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4256-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4256-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4256-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4544-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4544-4-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/4544-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4544-3-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads