modiloader | 9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1

Analysis

max time kernel
119s
max time network
120s
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 06:20

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General

Target

9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe
Size

90KB
MD5

a9472c841cf1c8604287eb851073b53d
SHA1

b12851ab57a57c5f1219cdd828217b81a9a9a633
SHA256

9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1
SHA512

2482bdff5b78cf1c113b0bd588ba8a066a18c9e048ecea0764e0f65b7a0d989295e313ac703a83723b39062f6638bc95c5d1801293ed9c8bfd1928f4c330933e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD+: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 3 IoCs

resource	yara_rule
behavioral2/memory/4428-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4428-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4428-61-0x0000000000400000-0x0000000000414000-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	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe

Executes dropped EXE 3 IoCs

pid	Process
3012	csrsll.exe
1836	csrsll.exe
4428	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 1332 set thread context of 1636	1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	83
PID 3012 set thread context of 1836	3012	csrsll.exe	95
PID 3012 set thread context of 4428	3012	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1332-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1332-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1636-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1636-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1636-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1332-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c9b-29.dat	upx
behavioral2/memory/1636-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3012-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3012-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4428-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3012-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1636-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4428-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4428-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4428-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4428-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1836-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4428-61-0x0000000000400000-0x0000000000414000-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	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	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe
Token: SeDebugPrivilege	1836	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe
1636	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe
3012	csrsll.exe
1836	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 1636	1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	83
PID 1332 wrote to memory of 1636	1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	83
PID 1332 wrote to memory of 1636	1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	83
PID 1332 wrote to memory of 1636	1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	83
PID 1332 wrote to memory of 1636	1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	83
PID 1332 wrote to memory of 1636	1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	83
PID 1332 wrote to memory of 1636	1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	83
PID 1332 wrote to memory of 1636	1332	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	83
PID 1636 wrote to memory of 3060	1636	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	84
PID 1636 wrote to memory of 3060	1636	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	84
PID 1636 wrote to memory of 3060	1636	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	84
PID 3060 wrote to memory of 3880	3060	cmd.exe	88
PID 3060 wrote to memory of 3880	3060	cmd.exe	88
PID 3060 wrote to memory of 3880	3060	cmd.exe	88
PID 1636 wrote to memory of 3012	1636	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	89
PID 1636 wrote to memory of 3012	1636	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	89
PID 1636 wrote to memory of 3012	1636	9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe	89
PID 3012 wrote to memory of 1836	3012	csrsll.exe	95
PID 3012 wrote to memory of 1836	3012	csrsll.exe	95
PID 3012 wrote to memory of 1836	3012	csrsll.exe	95
PID 3012 wrote to memory of 1836	3012	csrsll.exe	95
PID 3012 wrote to memory of 1836	3012	csrsll.exe	95
PID 3012 wrote to memory of 1836	3012	csrsll.exe	95
PID 3012 wrote to memory of 1836	3012	csrsll.exe	95
PID 3012 wrote to memory of 1836	3012	csrsll.exe	95
PID 3012 wrote to memory of 4428	3012	csrsll.exe	96
PID 3012 wrote to memory of 4428	3012	csrsll.exe	96
PID 3012 wrote to memory of 4428	3012	csrsll.exe	96
PID 3012 wrote to memory of 4428	3012	csrsll.exe	96
PID 3012 wrote to memory of 4428	3012	csrsll.exe	96
PID 3012 wrote to memory of 4428	3012	csrsll.exe	96
PID 3012 wrote to memory of 4428	3012	csrsll.exe	96
PID 3012 wrote to memory of 4428	3012	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe
"C:\Users\Admin\AppData\Local\Temp\9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1332
- C:\Users\Admin\AppData\Local\Temp\9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe
  "C:\Users\Admin\AppData\Local\Temp\9c26829eb4afa60257ac33d7486c7b5ff18d8b0c881c48c0e578cdd73596e3d1.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AOERN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3060
  - - 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:3880
- - 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:3012
  - - 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:1836
  - - 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:4428

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2718d8a784951385421ee79d7ac7c7e6

SHA1
ab2577633410f6827f5995fb21bc29b613781a35

SHA256
1147943042cb04b27f8d4dd60b7c17392186befa1be9ada718968ca80f24ec46

SHA512
edd1bb39cb38eeecf50489777b451d44ec6f677ecfcdeeb5f989c2de547044ea9e8fbc87fcd3cc29cea08521010f2958739ef08698da6f6c6341141256a5ac45

Download Submit
memory/1332-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1332-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/1332-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1332-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/1332-5-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/1332-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1636-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1636-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1636-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1636-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1636-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1836-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3012-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3012-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3012-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4428-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads