modiloader | 52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfddd

Analysis

max time kernel
119s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 12:32

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General

Target

52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe
Size

90KB
MD5

a0e6bc01b2b334ff190c6df81954b4e0
SHA1

f8b82376cf48535fff03a9c56484d44bccf7723e
SHA256

52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfddd
SHA512

0f224cb00332663c83cd05dc768ef1fa8ab287c26f69703bbc50e983c4d12f0ce956200086100a6bb328ec35192f40eafb8f9562220cd1ab9ebc9f11b1d4634d
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3p

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/3588-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3588-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3588-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3588-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe

Executes dropped EXE 3 IoCs

pid	Process
4692	csrsll.exe
3508	csrsll.exe
3588	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-1-5-21-2045521122-590294423-3465680274-1000\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 2244 set thread context of 1688	2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	84
PID 4692 set thread context of 3508	4692	csrsll.exe	98
PID 4692 set thread context of 3588	4692	csrsll.exe	99

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2244-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2244-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1688-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1688-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1688-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2244-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b7a-29.dat	upx
behavioral2/memory/1688-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4692-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4692-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3588-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3588-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3588-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3588-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4692-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1688-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3588-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3508-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3588-61-0x0000000000400000-0x0000000000414000-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	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe
Token: SeDebugPrivilege	3508	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe
1688	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe
4692	csrsll.exe
3508	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 1688	2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	84
PID 2244 wrote to memory of 1688	2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	84
PID 2244 wrote to memory of 1688	2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	84
PID 2244 wrote to memory of 1688	2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	84
PID 2244 wrote to memory of 1688	2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	84
PID 2244 wrote to memory of 1688	2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	84
PID 2244 wrote to memory of 1688	2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	84
PID 2244 wrote to memory of 1688	2244	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	84
PID 1688 wrote to memory of 2956	1688	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	85
PID 1688 wrote to memory of 2956	1688	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	85
PID 1688 wrote to memory of 2956	1688	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	85
PID 2956 wrote to memory of 4376	2956	cmd.exe	89
PID 2956 wrote to memory of 4376	2956	cmd.exe	89
PID 2956 wrote to memory of 4376	2956	cmd.exe	89
PID 1688 wrote to memory of 4692	1688	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	90
PID 1688 wrote to memory of 4692	1688	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	90
PID 1688 wrote to memory of 4692	1688	52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe	90
PID 4692 wrote to memory of 3508	4692	csrsll.exe	98
PID 4692 wrote to memory of 3508	4692	csrsll.exe	98
PID 4692 wrote to memory of 3508	4692	csrsll.exe	98
PID 4692 wrote to memory of 3508	4692	csrsll.exe	98
PID 4692 wrote to memory of 3508	4692	csrsll.exe	98
PID 4692 wrote to memory of 3508	4692	csrsll.exe	98
PID 4692 wrote to memory of 3508	4692	csrsll.exe	98
PID 4692 wrote to memory of 3508	4692	csrsll.exe	98
PID 4692 wrote to memory of 3588	4692	csrsll.exe	99
PID 4692 wrote to memory of 3588	4692	csrsll.exe	99
PID 4692 wrote to memory of 3588	4692	csrsll.exe	99
PID 4692 wrote to memory of 3588	4692	csrsll.exe	99
PID 4692 wrote to memory of 3588	4692	csrsll.exe	99
PID 4692 wrote to memory of 3588	4692	csrsll.exe	99
PID 4692 wrote to memory of 3588	4692	csrsll.exe	99
PID 4692 wrote to memory of 3588	4692	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe
"C:\Users\Admin\AppData\Local\Temp\52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe
  "C:\Users\Admin\AppData\Local\Temp\52445d2b9668866b1fe7bea5a848dfea1c4313c93734b80344b110e7193cfdddN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LODJW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2956
  - - 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:4376
- - 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:4692
  - - 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:3508
  - - 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:3588

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\LODJW.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d329ce0853576a9338116f978066ba08

SHA1
6ab5043f100d5d612950390933c9cbdee92d4770

SHA256
4fb836506814c679e12d1a72f102f89eb7027d621b272efca34e01f70eb10975

SHA512
eac6101ec4fd218c74e2e73aa66b17779060b50e9c6f4b4e83489b74bb148d047b4130f8a18ebb0a791b7525e2f99b13af6b42db6ccb00d70d279399877cd433

Download Submit
memory/1688-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1688-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1688-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1688-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1688-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2244-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2244-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2244-5-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/2244-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/2244-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2244-6-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/3508-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3588-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3588-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3588-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3588-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3588-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3588-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4692-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4692-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4692-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads