modiloader | 05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 03:49

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General

Target

05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe
Size

90KB
MD5

439e7ae975438feb8f19f3b8bdfb0e80
SHA1

00544e3e51f6f3badaa3ab9bcca6afe43d6f3f6b
SHA256

05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5
SHA512

9c8dd08a7bbdb58b99707cffcf29fc9a862921985444590bc968f088137875fac72a795638fac66e7a63e7c6660932ddc52fb042040ad04e2c2d2400f96f6ba7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3J

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/2108-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2108-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2108-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2108-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe

Executes dropped EXE 3 IoCs

pid	Process
4456	csrsll.exe
2240	csrsll.exe
2108	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-1-5-21-3756129449-3121373848-4276368241-1000\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 4808 set thread context of 2928	4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	82
PID 4456 set thread context of 2240	4456	csrsll.exe	88
PID 4456 set thread context of 2108	4456	csrsll.exe	89

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4808-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4808-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2928-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2928-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4808-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2928-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023c5c-28.dat	upx
behavioral2/memory/2928-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4456-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4456-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2108-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2108-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2108-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2108-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2108-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2928-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4456-53-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2240-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2108-61-0x0000000000400000-0x0000000000414000-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	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe
Token: SeDebugPrivilege	2240	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe
2928	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe
4456	csrsll.exe
2240	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 2928	4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	82
PID 4808 wrote to memory of 2928	4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	82
PID 4808 wrote to memory of 2928	4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	82
PID 4808 wrote to memory of 2928	4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	82
PID 4808 wrote to memory of 2928	4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	82
PID 4808 wrote to memory of 2928	4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	82
PID 4808 wrote to memory of 2928	4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	82
PID 4808 wrote to memory of 2928	4808	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	82
PID 2928 wrote to memory of 3972	2928	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	83
PID 2928 wrote to memory of 3972	2928	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	83
PID 2928 wrote to memory of 3972	2928	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	83
PID 3972 wrote to memory of 1292	3972	cmd.exe	86
PID 3972 wrote to memory of 1292	3972	cmd.exe	86
PID 3972 wrote to memory of 1292	3972	cmd.exe	86
PID 2928 wrote to memory of 4456	2928	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	87
PID 2928 wrote to memory of 4456	2928	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	87
PID 2928 wrote to memory of 4456	2928	05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe	87
PID 4456 wrote to memory of 2240	4456	csrsll.exe	88
PID 4456 wrote to memory of 2240	4456	csrsll.exe	88
PID 4456 wrote to memory of 2240	4456	csrsll.exe	88
PID 4456 wrote to memory of 2240	4456	csrsll.exe	88
PID 4456 wrote to memory of 2240	4456	csrsll.exe	88
PID 4456 wrote to memory of 2240	4456	csrsll.exe	88
PID 4456 wrote to memory of 2240	4456	csrsll.exe	88
PID 4456 wrote to memory of 2240	4456	csrsll.exe	88
PID 4456 wrote to memory of 2108	4456	csrsll.exe	89
PID 4456 wrote to memory of 2108	4456	csrsll.exe	89
PID 4456 wrote to memory of 2108	4456	csrsll.exe	89
PID 4456 wrote to memory of 2108	4456	csrsll.exe	89
PID 4456 wrote to memory of 2108	4456	csrsll.exe	89
PID 4456 wrote to memory of 2108	4456	csrsll.exe	89
PID 4456 wrote to memory of 2108	4456	csrsll.exe	89
PID 4456 wrote to memory of 2108	4456	csrsll.exe	89

C:\Users\Admin\AppData\Local\Temp\05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe
"C:\Users\Admin\AppData\Local\Temp\05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Users\Admin\AppData\Local\Temp\05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe
  "C:\Users\Admin\AppData\Local\Temp\05b22a09111d8b159f0f30869e9c0d7458372ce201e0f524880b300ecda551f5N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KYHHT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3972
  - - 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:1292
- - 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:4456
  - - 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:2240
  - - 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:2108

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\KYHHT.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2d180709704020afe9a108b63188385f

SHA1
834d4ae1b0528529c8c19e1f9c99f4bf4de9426a

SHA256
f77492c1ccb5a85b95a8d137e58823b56894bc9bac297416be9d76908cbcb64c

SHA512
fc9d96c3d8ee01da0bfeea74477e7505f895be0ae24f932f16517ec3ff57d858d5fc5df2509cd5f1fe05192367a607839e6f35d5e2d670c1f5b7f410c0cb0ca8

Download Submit
memory/2108-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2108-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2108-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2108-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2108-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2108-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2240-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4456-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4456-53-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4456-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4808-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4808-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4808-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4808-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4808-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4808-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads