modiloader | d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48

Analysis

max time kernel
119s
max time network
118s
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, 15:33

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General

Target

d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe
Size

90KB
MD5

bf8072e383a9ef054f328c2835b72970
SHA1

55132dcc47fcc74a83f828e00566c16b76b82c1e
SHA256

d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48
SHA512

9464b70e7fd81bd65252bc83cef28e079a2debe48ee69d1d58ecd7b139b52136d66b054e211d3f7bbc53f9651c255152da1901668c1dce2fb487e3457a916916
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDc:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3y

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/4576-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4576-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4576-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4576-61-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe

Executes dropped EXE 3 IoCs

pid	Process
1900	csrsll.exe
2664	csrsll.exe
4576	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 1988 set thread context of 2724	1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	82
PID 1900 set thread context of 2664	1900	csrsll.exe	93
PID 1900 set thread context of 4576	1900	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1988-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1988-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2724-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2724-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1988-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2724-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b58-29.dat	upx
behavioral2/memory/2724-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1900-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1900-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4576-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1900-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2724-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2664-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4576-61-0x0000000000400000-0x0000000000414000-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	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe
Token: SeDebugPrivilege	2664	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe
2724	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe
1900	csrsll.exe
2664	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2724	1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	82
PID 1988 wrote to memory of 2724	1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	82
PID 1988 wrote to memory of 2724	1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	82
PID 1988 wrote to memory of 2724	1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	82
PID 1988 wrote to memory of 2724	1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	82
PID 1988 wrote to memory of 2724	1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	82
PID 1988 wrote to memory of 2724	1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	82
PID 1988 wrote to memory of 2724	1988	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	82
PID 2724 wrote to memory of 848	2724	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	83
PID 2724 wrote to memory of 848	2724	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	83
PID 2724 wrote to memory of 848	2724	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	83
PID 848 wrote to memory of 3076	848	cmd.exe	86
PID 848 wrote to memory of 3076	848	cmd.exe	86
PID 848 wrote to memory of 3076	848	cmd.exe	86
PID 2724 wrote to memory of 1900	2724	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	87
PID 2724 wrote to memory of 1900	2724	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	87
PID 2724 wrote to memory of 1900	2724	d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe	87
PID 1900 wrote to memory of 2664	1900	csrsll.exe	93
PID 1900 wrote to memory of 2664	1900	csrsll.exe	93
PID 1900 wrote to memory of 2664	1900	csrsll.exe	93
PID 1900 wrote to memory of 2664	1900	csrsll.exe	93
PID 1900 wrote to memory of 2664	1900	csrsll.exe	93
PID 1900 wrote to memory of 2664	1900	csrsll.exe	93
PID 1900 wrote to memory of 2664	1900	csrsll.exe	93
PID 1900 wrote to memory of 2664	1900	csrsll.exe	93
PID 1900 wrote to memory of 4576	1900	csrsll.exe	94
PID 1900 wrote to memory of 4576	1900	csrsll.exe	94
PID 1900 wrote to memory of 4576	1900	csrsll.exe	94
PID 1900 wrote to memory of 4576	1900	csrsll.exe	94
PID 1900 wrote to memory of 4576	1900	csrsll.exe	94
PID 1900 wrote to memory of 4576	1900	csrsll.exe	94
PID 1900 wrote to memory of 4576	1900	csrsll.exe	94
PID 1900 wrote to memory of 4576	1900	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe
"C:\Users\Admin\AppData\Local\Temp\d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Local\Temp\d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe
  "C:\Users\Admin\AppData\Local\Temp\d7da7c0f81045acd5c30c6b2547d823148665210fb7bd7836d3814f0bf0abc48N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IUYVJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:848
  - - 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:3076
- - 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:1900
  - - 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:2664
  - - 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:4576

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\IUYVJ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e23f1e91827d0b4752284e2b43666099

SHA1
55ec3146cc6eee2c99a8b853372035290f08b5c0

SHA256
883e42ca06ce40311a258137b703f0ba1fe87c3d4a3ff9a45d7fbbea016c70ec

SHA512
f61343b222ef7acdb8c871bbaa7e3856f59211c531a6f8140def1cd04878cac60b3ef1e17afaf07895f79a0420ea8dc38ccbae25f41bdaec7d4aa71ae9b6a742

Download Submit
memory/1900-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1988-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/1988-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1988-6-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1988-5-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/1988-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1988-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2664-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2724-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4576-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads