modiloader | cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478

Analysis

max time kernel
119s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2024 21:40

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General

Target

cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe
Size

90KB
MD5

7e71b675aea4530b1c0f8766aa091900
SHA1

7542182e838f7e67f26070bd853958555baa5f71
SHA256

cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478
SHA512

4c6156d3981bd96356a2c2701ad67a57be6d453336e49c5f950651ab52dfa98b0daa15995f8cf732fc167d698b9764c2aa7253fa1027be120bfc283bd6e15f30
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/4572-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4572-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4572-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4572-63-0x0000000000400000-0x0000000000414000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe

Executes dropped EXE 3 IoCs

pid	Process
3048	csrsll.exe
1932	csrsll.exe
4572	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3228-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3228-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3644-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3644-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3644-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3228-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x00080000000234e2-29.dat	upx
behavioral2/memory/3048-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3644-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3048-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3048-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4572-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4572-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4572-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4572-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3048-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4572-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3644-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1932-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4572-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-786284298-625481688-3210388970-1000\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 3228 set thread context of 3644	3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	87
PID 3048 set thread context of 1932	3048	csrsll.exe	95
PID 3048 set thread context of 4572	3048	csrsll.exe	96

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	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	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe
Token: SeDebugPrivilege	1932	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe
3644	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe
3048	csrsll.exe
1932	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 3644	3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	87
PID 3228 wrote to memory of 3644	3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	87
PID 3228 wrote to memory of 3644	3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	87
PID 3228 wrote to memory of 3644	3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	87
PID 3228 wrote to memory of 3644	3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	87
PID 3228 wrote to memory of 3644	3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	87
PID 3228 wrote to memory of 3644	3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	87
PID 3228 wrote to memory of 3644	3228	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	87
PID 3644 wrote to memory of 2232	3644	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	88
PID 3644 wrote to memory of 2232	3644	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	88
PID 3644 wrote to memory of 2232	3644	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	88
PID 2232 wrote to memory of 3128	2232	cmd.exe	91
PID 2232 wrote to memory of 3128	2232	cmd.exe	91
PID 2232 wrote to memory of 3128	2232	cmd.exe	91
PID 3644 wrote to memory of 3048	3644	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	92
PID 3644 wrote to memory of 3048	3644	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	92
PID 3644 wrote to memory of 3048	3644	cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe	92
PID 3048 wrote to memory of 1932	3048	csrsll.exe	95
PID 3048 wrote to memory of 1932	3048	csrsll.exe	95
PID 3048 wrote to memory of 1932	3048	csrsll.exe	95
PID 3048 wrote to memory of 1932	3048	csrsll.exe	95
PID 3048 wrote to memory of 1932	3048	csrsll.exe	95
PID 3048 wrote to memory of 1932	3048	csrsll.exe	95
PID 3048 wrote to memory of 1932	3048	csrsll.exe	95
PID 3048 wrote to memory of 1932	3048	csrsll.exe	95
PID 3048 wrote to memory of 4572	3048	csrsll.exe	96
PID 3048 wrote to memory of 4572	3048	csrsll.exe	96
PID 3048 wrote to memory of 4572	3048	csrsll.exe	96
PID 3048 wrote to memory of 4572	3048	csrsll.exe	96
PID 3048 wrote to memory of 4572	3048	csrsll.exe	96
PID 3048 wrote to memory of 4572	3048	csrsll.exe	96
PID 3048 wrote to memory of 4572	3048	csrsll.exe	96
PID 3048 wrote to memory of 4572	3048	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe
"C:\Users\Admin\AppData\Local\Temp\cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Users\Admin\AppData\Local\Temp\cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe
  "C:\Users\Admin\AppData\Local\Temp\cad69285b8ee88b9067593a33110a818b5d9a67a5f49f4a3bd18c55fb59c0478N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3644
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DTTRA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2232
  - - 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:3128
- - 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:3048
  - - 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:1932
  - - 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:4572

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\DTTRA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9dbc62c8fc72ff4d636d9f2b10dc32e1

SHA1
b84677d0d38116d73416aa7f9de19872ff4d54fe

SHA256
9d8147796bbb647aec7c04788538b402258dbdf4603f6f0dd8604931660178a5

SHA512
4c4e27da1ffbf28165fe93745ab71df6096f80cf9876229fd8f69910f9cc1e255a5849d1b11b32f8e027e5ccb63646950de1efb674e88f53b29d862dbde7e8f9

Download Submit
memory/1932-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3048-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3048-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3048-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3048-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3228-6-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/3228-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3228-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3228-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/3228-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/3228-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3644-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3644-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3644-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3644-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3644-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4572-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4572-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4572-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4572-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4572-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4572-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads