modiloader | 68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2024 23:36

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General

Target

68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe
Size

90KB
MD5

f5ec6dbaffab4d8ebc950433404358ca
SHA1

28ad11f7e8720e5ee1d639b472b8875106776dcd
SHA256

68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1
SHA512

3a82623d34f81d4cbeb5b216171a31eafb0bce62d1529c0209d88c0ff4ccfe9cdb84c6644341211f8b288dfbf5f91d31d5f5807bd829ba4f19601ead3ea9e4dc
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3o

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/1528-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1528-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1528-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1528-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe

Executes dropped EXE 3 IoCs

pid	Process
4444	csrsll.exe
4944	csrsll.exe
1528	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-1-5-21-3350944739-639801879-157714471-1000\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 4528 set thread context of 4276	4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	87
PID 4444 set thread context of 4944	4444	csrsll.exe	102
PID 4444 set thread context of 1528	4444	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4528-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4528-6-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4276-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4276-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4276-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4528-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b7a-29.dat	upx
behavioral2/memory/4276-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4444-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4444-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1528-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1528-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1528-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1528-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1528-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4444-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4276-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4944-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1528-61-0x0000000000400000-0x0000000000414000-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	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.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	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe
Token: SeDebugPrivilege	4944	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe
4276	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe
4444	csrsll.exe
4944	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 4276	4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	87
PID 4528 wrote to memory of 4276	4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	87
PID 4528 wrote to memory of 4276	4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	87
PID 4528 wrote to memory of 4276	4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	87
PID 4528 wrote to memory of 4276	4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	87
PID 4528 wrote to memory of 4276	4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	87
PID 4528 wrote to memory of 4276	4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	87
PID 4528 wrote to memory of 4276	4528	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	87
PID 4276 wrote to memory of 2684	4276	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	90
PID 4276 wrote to memory of 2684	4276	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	90
PID 4276 wrote to memory of 2684	4276	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	90
PID 2684 wrote to memory of 4324	2684	cmd.exe	94
PID 2684 wrote to memory of 4324	2684	cmd.exe	94
PID 2684 wrote to memory of 4324	2684	cmd.exe	94
PID 4276 wrote to memory of 4444	4276	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	95
PID 4276 wrote to memory of 4444	4276	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	95
PID 4276 wrote to memory of 4444	4276	68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe	95
PID 4444 wrote to memory of 4944	4444	csrsll.exe	102
PID 4444 wrote to memory of 4944	4444	csrsll.exe	102
PID 4444 wrote to memory of 4944	4444	csrsll.exe	102
PID 4444 wrote to memory of 4944	4444	csrsll.exe	102
PID 4444 wrote to memory of 4944	4444	csrsll.exe	102
PID 4444 wrote to memory of 4944	4444	csrsll.exe	102
PID 4444 wrote to memory of 4944	4444	csrsll.exe	102
PID 4444 wrote to memory of 4944	4444	csrsll.exe	102
PID 4444 wrote to memory of 1528	4444	csrsll.exe	103
PID 4444 wrote to memory of 1528	4444	csrsll.exe	103
PID 4444 wrote to memory of 1528	4444	csrsll.exe	103
PID 4444 wrote to memory of 1528	4444	csrsll.exe	103
PID 4444 wrote to memory of 1528	4444	csrsll.exe	103
PID 4444 wrote to memory of 1528	4444	csrsll.exe	103
PID 4444 wrote to memory of 1528	4444	csrsll.exe	103
PID 4444 wrote to memory of 1528	4444	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe
"C:\Users\Admin\AppData\Local\Temp\68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Users\Admin\AppData\Local\Temp\68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe
  "C:\Users\Admin\AppData\Local\Temp\68fac95680a16250ac99847fcd8fa59e4fdd22e390bdfba6bc711489636d9bf1.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4276
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CLCWA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - 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:4324
- - 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:4444
  - - 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:4944
  - - 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:1528

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\CLCWA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6ff90d49081b1dd3174f6831de541488

SHA1
f25630db1d49dbb1c2df2140db13291ccab27af3

SHA256
d0832930797709393786fe4b36e8342a2ef9aae3c3e7da38f8893bc6d8442223

SHA512
457ac5119f5e745d90f0b32bac828053090bc5db3e640938b98f36e15beb72282fd57bf56a86a53c942aa0e84a471ddec078ad21c57b38d217cf89b4e2bf0186

Download Submit
memory/1528-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1528-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1528-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1528-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1528-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1528-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4276-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4276-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4276-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4276-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4276-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4444-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4444-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4444-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4528-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4528-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4528-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4528-4-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4528-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4528-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4944-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads