modiloader | df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269

Analysis

max time kernel
150s
max time network
152s
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 09:22

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General

Target

df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe
Size

90KB
MD5

036a4e2a01cc73f1faec4f8bca2d8abf
SHA1

673f81526931bfef639065c35fc7a350a8c323eb
SHA256

df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269
SHA512

a4f9ad49e06d8f7e443658990a2804b64c60d0524a62becb3e4005823d59ca1d620a46cce60355be489809823872c2e35529d698e6da0ba02c736b174b8eb9c4
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDY:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3m

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/3148-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3148-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3148-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3148-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe

Executes dropped EXE 3 IoCs

pid	Process
2068	csrsll.exe
4972	csrsll.exe
3148	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-1-5-21-2878641211-696417878-3864914810-1000\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 1996 set thread context of 320	1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	84
PID 2068 set thread context of 4972	2068	csrsll.exe	100
PID 2068 set thread context of 3148	2068	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1996-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1996-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/320-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/320-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1996-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/320-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb2-29.dat	upx
behavioral2/memory/320-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2068-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2068-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3148-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3148-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3148-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3148-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3148-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2068-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/320-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4972-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3148-61-0x0000000000400000-0x0000000000414000-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	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe
Token: SeDebugPrivilege	4972	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe
320	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe
2068	csrsll.exe
4972	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 320	1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	84
PID 1996 wrote to memory of 320	1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	84
PID 1996 wrote to memory of 320	1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	84
PID 1996 wrote to memory of 320	1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	84
PID 1996 wrote to memory of 320	1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	84
PID 1996 wrote to memory of 320	1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	84
PID 1996 wrote to memory of 320	1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	84
PID 1996 wrote to memory of 320	1996	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	84
PID 320 wrote to memory of 2500	320	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	87
PID 320 wrote to memory of 2500	320	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	87
PID 320 wrote to memory of 2500	320	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	87
PID 2500 wrote to memory of 3844	2500	cmd.exe	92
PID 2500 wrote to memory of 3844	2500	cmd.exe	92
PID 2500 wrote to memory of 3844	2500	cmd.exe	92
PID 320 wrote to memory of 2068	320	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	94
PID 320 wrote to memory of 2068	320	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	94
PID 320 wrote to memory of 2068	320	df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe	94
PID 2068 wrote to memory of 4972	2068	csrsll.exe	100
PID 2068 wrote to memory of 4972	2068	csrsll.exe	100
PID 2068 wrote to memory of 4972	2068	csrsll.exe	100
PID 2068 wrote to memory of 4972	2068	csrsll.exe	100
PID 2068 wrote to memory of 4972	2068	csrsll.exe	100
PID 2068 wrote to memory of 4972	2068	csrsll.exe	100
PID 2068 wrote to memory of 4972	2068	csrsll.exe	100
PID 2068 wrote to memory of 4972	2068	csrsll.exe	100
PID 2068 wrote to memory of 3148	2068	csrsll.exe	101
PID 2068 wrote to memory of 3148	2068	csrsll.exe	101
PID 2068 wrote to memory of 3148	2068	csrsll.exe	101
PID 2068 wrote to memory of 3148	2068	csrsll.exe	101
PID 2068 wrote to memory of 3148	2068	csrsll.exe	101
PID 2068 wrote to memory of 3148	2068	csrsll.exe	101
PID 2068 wrote to memory of 3148	2068	csrsll.exe	101
PID 2068 wrote to memory of 3148	2068	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe
"C:\Users\Admin\AppData\Local\Temp\df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe
  "C:\Users\Admin\AppData\Local\Temp\df2c7218c09fe16336c43f0ca6a8ab4c3a7d6652f813da44cd48a2f560019269.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:320
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XLMHF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2500
  - - 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:3844
- - 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:2068
  - - 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:4972
  - - 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:3148

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\XLMHF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
edace98270b3669e86b0c3c6e3363a95

SHA1
088789a78b0be24f6b206ed38b0043ea35dde1d8

SHA256
7d2ce7d6ef4b4d2b2188aceac5aff7b5320ad0d921cdc7a8aacc54d02d903580

SHA512
b5842d455fe182cb9b2c811913e0dd42cc73c9d12a3d32f8722e1efff2460f091177aa0d576a398991a1660be30520d6fe7636da4091c365d12235768f117260

Download Submit
memory/320-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-57-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1996-6-0x0000000002200000-0x0000000002202000-memory.dmp

Filesize
8KB

Download
memory/1996-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1996-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1996-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/1996-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/1996-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2068-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2068-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2068-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3148-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3148-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3148-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3148-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3148-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3148-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4972-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads