modiloader | da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80

Analysis

max time kernel
119s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 04:58

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General

Target

da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe
Size

90KB
MD5

55de2d3e8640ea7359946db153192f50
SHA1

7e084c506d822a8abddc4c69f7b5ee4b6cd9b371
SHA256

da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80
SHA512

d02416e0ae4a972c0709cceb9d201ea4b3e9f5e911b637b330fbe1ee5016c1739b9d75d15ffdb82607cda3abc64a614097ced3982bf83143d7047928afd34d9b
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/1384-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1384-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1384-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1384-64-0x0000000000400000-0x0000000000414000-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	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe

Executes dropped EXE 3 IoCs

pid	Process
2888	csrsll.exe
1952	csrsll.exe
1384	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 4700 set thread context of 1344	4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	84
PID 2888 set thread context of 1952	2888	csrsll.exe	96
PID 2888 set thread context of 1384	2888	csrsll.exe	97

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4700-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4700-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1344-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1344-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4700-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1344-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1344-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b63-29.dat	upx
behavioral2/memory/1344-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2888-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1384-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1384-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2888-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1952-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1384-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2888-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1384-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1384-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1344-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1952-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1384-64-0x0000000000400000-0x0000000000414000-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	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe
Token: SeDebugPrivilege	1952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe
1344	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe
2888	csrsll.exe
1952	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 1344	4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	84
PID 4700 wrote to memory of 1344	4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	84
PID 4700 wrote to memory of 1344	4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	84
PID 4700 wrote to memory of 1344	4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	84
PID 4700 wrote to memory of 1344	4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	84
PID 4700 wrote to memory of 1344	4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	84
PID 4700 wrote to memory of 1344	4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	84
PID 4700 wrote to memory of 1344	4700	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	84
PID 1344 wrote to memory of 4124	1344	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	85
PID 1344 wrote to memory of 4124	1344	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	85
PID 1344 wrote to memory of 4124	1344	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	85
PID 4124 wrote to memory of 1356	4124	cmd.exe	89
PID 4124 wrote to memory of 1356	4124	cmd.exe	89
PID 4124 wrote to memory of 1356	4124	cmd.exe	89
PID 1344 wrote to memory of 2888	1344	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	90
PID 1344 wrote to memory of 2888	1344	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	90
PID 1344 wrote to memory of 2888	1344	da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe	90
PID 2888 wrote to memory of 1952	2888	csrsll.exe	96
PID 2888 wrote to memory of 1952	2888	csrsll.exe	96
PID 2888 wrote to memory of 1952	2888	csrsll.exe	96
PID 2888 wrote to memory of 1952	2888	csrsll.exe	96
PID 2888 wrote to memory of 1952	2888	csrsll.exe	96
PID 2888 wrote to memory of 1952	2888	csrsll.exe	96
PID 2888 wrote to memory of 1952	2888	csrsll.exe	96
PID 2888 wrote to memory of 1952	2888	csrsll.exe	96
PID 2888 wrote to memory of 1384	2888	csrsll.exe	97
PID 2888 wrote to memory of 1384	2888	csrsll.exe	97
PID 2888 wrote to memory of 1384	2888	csrsll.exe	97
PID 2888 wrote to memory of 1384	2888	csrsll.exe	97
PID 2888 wrote to memory of 1384	2888	csrsll.exe	97
PID 2888 wrote to memory of 1384	2888	csrsll.exe	97
PID 2888 wrote to memory of 1384	2888	csrsll.exe	97
PID 2888 wrote to memory of 1384	2888	csrsll.exe	97

C:\Users\Admin\AppData\Local\Temp\da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe
"C:\Users\Admin\AppData\Local\Temp\da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Users\Admin\AppData\Local\Temp\da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe
  "C:\Users\Admin\AppData\Local\Temp\da78246b3080c4cda67fbc55fa4d696e4002a4daac5bf2d2b30dffbf5214ce80N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HVUGO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4124
  - - 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:1356
- - 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:2888
  - - 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:1952
  - - 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:1384

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\HVUGO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6c7c0c2a7d89d71eeacedcdb2a572d39

SHA1
bdc366bdba6848fe8b05d24e4686b4e7a5486480

SHA256
41422371d3fd07c7f178a3f759359052c22468fc4677c2b2a50cde0c9d4d0f2f

SHA512
162ecbff60332f2d687e41b81f22f0761fe669933b9ec10b95dce8c46bf1837f1a711d330fc0f3543406fbf6864641373d693549585cd8cbdf81e00b37eb8620

Download Submit
memory/1344-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1344-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1344-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1344-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1344-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1344-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1384-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1384-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1384-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1384-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1384-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1384-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1952-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1952-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2888-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2888-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2888-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4700-3-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/4700-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4700-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4700-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4700-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/4700-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads