modiloader | c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5

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
13-01-2025 01:50

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General

Target

c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
Size

90KB
MD5

35cdd1b84e995c8c4ae2b4225e07e1cb
SHA1

d7c6d8250a1a1cf7f2b95b2865eed7b364de17c6
SHA256

c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5
SHA512

b3d19f77ea78a75326d83713aa00f034c9c38370ca3fcfa0e241d82287fc99654a944d0386c57cf1a2a55507247fe117bde9860de83841e64b32eec25f7660ba
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Q

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/1692-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1692-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1692-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1692-61-0x0000000000400000-0x0000000000414000-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	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe

Executes dropped EXE 3 IoCs

pid	Process
2384	csrsll.exe
4320	csrsll.exe
1692	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 904 set thread context of 4868	904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	88
PID 2384 set thread context of 4320	2384	csrsll.exe	100
PID 2384 set thread context of 1692	2384	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/904-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/904-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4868-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4868-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4868-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/904-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cae-29.dat	upx
behavioral2/memory/4868-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2384-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2384-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1692-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1692-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1692-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1692-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1692-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2384-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4868-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4320-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1692-61-0x0000000000400000-0x0000000000414000-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	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe
Token: SeDebugPrivilege	4320	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
4868	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
2384	csrsll.exe
4320	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 4868	904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	88
PID 904 wrote to memory of 4868	904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	88
PID 904 wrote to memory of 4868	904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	88
PID 904 wrote to memory of 4868	904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	88
PID 904 wrote to memory of 4868	904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	88
PID 904 wrote to memory of 4868	904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	88
PID 904 wrote to memory of 4868	904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	88
PID 904 wrote to memory of 4868	904	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	88
PID 4868 wrote to memory of 1524	4868	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	89
PID 4868 wrote to memory of 1524	4868	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	89
PID 4868 wrote to memory of 1524	4868	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	89
PID 1524 wrote to memory of 4560	1524	cmd.exe	93
PID 1524 wrote to memory of 4560	1524	cmd.exe	93
PID 1524 wrote to memory of 4560	1524	cmd.exe	93
PID 4868 wrote to memory of 2384	4868	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	94
PID 4868 wrote to memory of 2384	4868	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	94
PID 4868 wrote to memory of 2384	4868	c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe	94
PID 2384 wrote to memory of 4320	2384	csrsll.exe	100
PID 2384 wrote to memory of 4320	2384	csrsll.exe	100
PID 2384 wrote to memory of 4320	2384	csrsll.exe	100
PID 2384 wrote to memory of 4320	2384	csrsll.exe	100
PID 2384 wrote to memory of 4320	2384	csrsll.exe	100
PID 2384 wrote to memory of 4320	2384	csrsll.exe	100
PID 2384 wrote to memory of 4320	2384	csrsll.exe	100
PID 2384 wrote to memory of 4320	2384	csrsll.exe	100
PID 2384 wrote to memory of 1692	2384	csrsll.exe	101
PID 2384 wrote to memory of 1692	2384	csrsll.exe	101
PID 2384 wrote to memory of 1692	2384	csrsll.exe	101
PID 2384 wrote to memory of 1692	2384	csrsll.exe	101
PID 2384 wrote to memory of 1692	2384	csrsll.exe	101
PID 2384 wrote to memory of 1692	2384	csrsll.exe	101
PID 2384 wrote to memory of 1692	2384	csrsll.exe	101
PID 2384 wrote to memory of 1692	2384	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
"C:\Users\Admin\AppData\Local\Temp\c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:904
- C:\Users\Admin\AppData\Local\Temp\c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe
  "C:\Users\Admin\AppData\Local\Temp\c9c6c78adf8f08746eb4ae7c02f8f71ce4a8f9b134a353022c28a942412c99d5.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BDXUO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1524
  - - 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:4560
- - 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:2384
  - - 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:4320
  - - 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:1692

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\BDXUO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
26f3737a107f19f485039ee473f3e6df

SHA1
87f8f95f4deaf36c48113b450b59d23b33028e0f

SHA256
6c680c7b64738404abd3332ef0beaa891ed237ffa9e16bc76ec9218dbffc21c9

SHA512
4a67284a2ec5d4e5ebf8778ee9b7c3b6d5deab4f276903b8465ee05b74fb240eb9063117e62dc015351a581307b995f35a1037bea4bbbc22d97caf40638c9944

Download Submit
memory/904-5-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/904-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/904-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/904-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/904-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/904-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1692-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1692-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1692-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1692-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1692-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1692-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2384-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2384-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2384-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4320-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4868-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4868-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4868-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4868-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4868-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4868-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads