modiloader | c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512

Analysis

max time kernel
119s
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
26-12-2024 15:35

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General

Target

c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe
Size

90KB
MD5

c2e4abd250e9ebded46f66f51a4093a0
SHA1

fe9f064dfc0e249eb0dc8a3e1a0bf1c2fdb40088
SHA256

c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512
SHA512

1bcdbfb889d4c89a013806cd0326366560f075e90d21a3ba7f0212b331fdd0552b9b8698c788bba6f1c5cdbaf6c8341cd2833cf684eb266a24ef1f651f4a0d5b
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDL:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE39

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/3664-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3664-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3664-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3664-61-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe

Executes dropped EXE 3 IoCs

pid	Process
880	csrsll.exe
4832	csrsll.exe
3664	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-1-5-21-940901362-3608833189-1915618603-1000\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 2972 set thread context of 1244	2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	83
PID 880 set thread context of 4832	880	csrsll.exe	100
PID 880 set thread context of 3664	880	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2972-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2972-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1244-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1244-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2972-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1244-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023ca2-29.dat	upx
behavioral2/memory/1244-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/880-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/880-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3664-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3664-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3664-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3664-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3664-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/880-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1244-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4832-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3664-61-0x0000000000400000-0x0000000000414000-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	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.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	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe
Token: SeDebugPrivilege	4832	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe
1244	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe
880	csrsll.exe
4832	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1244	2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	83
PID 2972 wrote to memory of 1244	2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	83
PID 2972 wrote to memory of 1244	2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	83
PID 2972 wrote to memory of 1244	2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	83
PID 2972 wrote to memory of 1244	2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	83
PID 2972 wrote to memory of 1244	2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	83
PID 2972 wrote to memory of 1244	2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	83
PID 2972 wrote to memory of 1244	2972	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	83
PID 1244 wrote to memory of 1184	1244	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	86
PID 1244 wrote to memory of 1184	1244	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	86
PID 1244 wrote to memory of 1184	1244	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	86
PID 1184 wrote to memory of 4444	1184	cmd.exe	90
PID 1184 wrote to memory of 4444	1184	cmd.exe	90
PID 1184 wrote to memory of 4444	1184	cmd.exe	90
PID 1244 wrote to memory of 880	1244	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	91
PID 1244 wrote to memory of 880	1244	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	91
PID 1244 wrote to memory of 880	1244	c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe	91
PID 880 wrote to memory of 4832	880	csrsll.exe	100
PID 880 wrote to memory of 4832	880	csrsll.exe	100
PID 880 wrote to memory of 4832	880	csrsll.exe	100
PID 880 wrote to memory of 4832	880	csrsll.exe	100
PID 880 wrote to memory of 4832	880	csrsll.exe	100
PID 880 wrote to memory of 4832	880	csrsll.exe	100
PID 880 wrote to memory of 4832	880	csrsll.exe	100
PID 880 wrote to memory of 4832	880	csrsll.exe	100
PID 880 wrote to memory of 3664	880	csrsll.exe	101
PID 880 wrote to memory of 3664	880	csrsll.exe	101
PID 880 wrote to memory of 3664	880	csrsll.exe	101
PID 880 wrote to memory of 3664	880	csrsll.exe	101
PID 880 wrote to memory of 3664	880	csrsll.exe	101
PID 880 wrote to memory of 3664	880	csrsll.exe	101
PID 880 wrote to memory of 3664	880	csrsll.exe	101
PID 880 wrote to memory of 3664	880	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe
"C:\Users\Admin\AppData\Local\Temp\c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe
  "C:\Users\Admin\AppData\Local\Temp\c5ccd950a2274bb64285d06c90947eac18bb5e7b9ca819ce6724188608602512N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1244
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LTLAU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1184
  - - 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:4444
- - 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:880
  - - 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:4832
  - - 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:3664

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\LTLAU.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3792907d441163f9de87e01f9c402b8b

SHA1
b1cd5065f4e8c566c8c2b1ceef39780e389362d8

SHA256
a5d47657e09d1b782da9de90db6a55f7088ec672bab599bd4b4db23478f5a898

SHA512
60589bb473956dae9c6bc2730f9c17b37cf844df9ed5f19d58081e6fb9e2bdd18f2c306a3c346d400d73ff745d2cddd5897ad4297fc8d8b8145fcd17fa4ee823

Download Submit
memory/880-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/880-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/880-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1244-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1244-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1244-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1244-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1244-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2972-3-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/2972-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2972-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2972-5-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/2972-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/2972-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3664-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4832-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads