modiloader | 4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b

Analysis

max time kernel
118s
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
05-12-2024 11:38

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General

Target

4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
Size

90KB
MD5

ae0c03317d754217f181817dc7b73506
SHA1

8d5a7ea8592c40739ca3048caad1f90572c1e3cf
SHA256

4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b
SHA512

8ca235fe2d486b2a2a2112c0147ebc3753f5d69247d6c994dcedf353b9acdbde134a567d66e9958c693610a367aacf34d8b453f265b33169f3e7cd591c30c9c8
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDJ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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/1216-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1216-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1216-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1216-63-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe

Executes dropped EXE 3 IoCs

pid	Process
2396	csrsll.exe
5036	csrsll.exe
1216	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-1-5-21-4089630652-1596403869-279772308-1000\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 2568 set thread context of 1124	2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	82
PID 2396 set thread context of 5036	2396	csrsll.exe	93
PID 2396 set thread context of 1216	2396	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2568-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2568-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1124-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1124-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2568-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1124-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c9f-29.dat	upx
behavioral2/memory/1124-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2396-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2396-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1216-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1216-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1216-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1216-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1216-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2396-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1124-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5036-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1216-63-0x0000000000400000-0x0000000000414000-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	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	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe
Token: SeDebugPrivilege	5036	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
1124	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
2396	csrsll.exe
5036	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1124	2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	82
PID 2568 wrote to memory of 1124	2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	82
PID 2568 wrote to memory of 1124	2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	82
PID 2568 wrote to memory of 1124	2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	82
PID 2568 wrote to memory of 1124	2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	82
PID 2568 wrote to memory of 1124	2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	82
PID 2568 wrote to memory of 1124	2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	82
PID 2568 wrote to memory of 1124	2568	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	82
PID 1124 wrote to memory of 4696	1124	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	83
PID 1124 wrote to memory of 4696	1124	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	83
PID 1124 wrote to memory of 4696	1124	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	83
PID 4696 wrote to memory of 2692	4696	cmd.exe	86
PID 4696 wrote to memory of 2692	4696	cmd.exe	86
PID 4696 wrote to memory of 2692	4696	cmd.exe	86
PID 1124 wrote to memory of 2396	1124	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	87
PID 1124 wrote to memory of 2396	1124	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	87
PID 1124 wrote to memory of 2396	1124	4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe	87
PID 2396 wrote to memory of 5036	2396	csrsll.exe	93
PID 2396 wrote to memory of 5036	2396	csrsll.exe	93
PID 2396 wrote to memory of 5036	2396	csrsll.exe	93
PID 2396 wrote to memory of 5036	2396	csrsll.exe	93
PID 2396 wrote to memory of 5036	2396	csrsll.exe	93
PID 2396 wrote to memory of 5036	2396	csrsll.exe	93
PID 2396 wrote to memory of 5036	2396	csrsll.exe	93
PID 2396 wrote to memory of 5036	2396	csrsll.exe	93
PID 2396 wrote to memory of 1216	2396	csrsll.exe	94
PID 2396 wrote to memory of 1216	2396	csrsll.exe	94
PID 2396 wrote to memory of 1216	2396	csrsll.exe	94
PID 2396 wrote to memory of 1216	2396	csrsll.exe	94
PID 2396 wrote to memory of 1216	2396	csrsll.exe	94
PID 2396 wrote to memory of 1216	2396	csrsll.exe	94
PID 2396 wrote to memory of 1216	2396	csrsll.exe	94
PID 2396 wrote to memory of 1216	2396	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
"C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
  "C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BDPQL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4696
  - - 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:2692
- - 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:2396
  - - 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:5036
  - - 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:1216

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\BDPQL.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
962b399d366308e8698434dc0b1c17c6

SHA1
9496a51680fce1e09153a08133ede0193e55209a

SHA256
e1c6e9fa99f27f4e499f3e0a6655084ba7604a7fb023f7e701421695db088b36

SHA512
bba6faff6718d95e359d4cba90e73cd7e84d4d61cf4da9b987c64bd6756ea6a351659e93816d7d1fefea64493449614c2f64e3ca2c66743f7eed052e858e261d

Download Submit
memory/1124-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1124-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1124-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1124-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1124-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1216-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1216-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1216-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1216-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1216-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1216-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2396-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2396-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2396-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2568-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2568-3-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/2568-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2568-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2568-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/2568-4-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/5036-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads