modiloader | 710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2025, 03:55

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General

Target

710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
Size

326KB
MD5

43b334909615f9c26ea3af06b1f566b2
SHA1

e649c3522aaf64293ad7d6bab6edcb5be9e49ead
SHA256

710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664
SHA512

e4303e9a3dc13b121712c093afe6beb3f7dd84f6badafb7551955bd5a4c5c2e60e992e3c6e599902bad7faffdf213b3e148838ede802b3547561570ead229d08
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVW:csxD5cwohO+O1sVG0/pZ6iPC8b

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/3008-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3008-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3008-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3008-60-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe

Executes dropped EXE 3 IoCs

pid	Process
2980	csrsll.exe
588	csrsll.exe
3008	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-1-5-21-3350944739-639801879-157714471-1000\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 3260 set thread context of 4360	3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 2980 set thread context of 588	2980	csrsll.exe	95
PID 2980 set thread context of 3008	2980	csrsll.exe	96

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3260-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3260-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4360-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4360-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4360-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4360-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3260-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x000b000000023b6d-28.dat	upx
behavioral2/memory/2980-35-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4360-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2980-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2980-41-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3008-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3008-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2980-53-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3008-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3008-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3008-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4360-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/588-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3008-60-0x0000000000400000-0x0000000000414000-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	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.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	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe
Token: SeDebugPrivilege	588	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
4360	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
2980	csrsll.exe
588	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 4360	3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 3260 wrote to memory of 4360	3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 3260 wrote to memory of 4360	3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 3260 wrote to memory of 4360	3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 3260 wrote to memory of 4360	3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 3260 wrote to memory of 4360	3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 3260 wrote to memory of 4360	3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 3260 wrote to memory of 4360	3260	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	83
PID 4360 wrote to memory of 1692	4360	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	84
PID 4360 wrote to memory of 1692	4360	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	84
PID 4360 wrote to memory of 1692	4360	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	84
PID 1692 wrote to memory of 4856	1692	cmd.exe	88
PID 1692 wrote to memory of 4856	1692	cmd.exe	88
PID 1692 wrote to memory of 4856	1692	cmd.exe	88
PID 4360 wrote to memory of 2980	4360	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	89
PID 4360 wrote to memory of 2980	4360	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	89
PID 4360 wrote to memory of 2980	4360	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	89
PID 2980 wrote to memory of 588	2980	csrsll.exe	95
PID 2980 wrote to memory of 588	2980	csrsll.exe	95
PID 2980 wrote to memory of 588	2980	csrsll.exe	95
PID 2980 wrote to memory of 588	2980	csrsll.exe	95
PID 2980 wrote to memory of 588	2980	csrsll.exe	95
PID 2980 wrote to memory of 588	2980	csrsll.exe	95
PID 2980 wrote to memory of 588	2980	csrsll.exe	95
PID 2980 wrote to memory of 588	2980	csrsll.exe	95
PID 2980 wrote to memory of 3008	2980	csrsll.exe	96
PID 2980 wrote to memory of 3008	2980	csrsll.exe	96
PID 2980 wrote to memory of 3008	2980	csrsll.exe	96
PID 2980 wrote to memory of 3008	2980	csrsll.exe	96
PID 2980 wrote to memory of 3008	2980	csrsll.exe	96
PID 2980 wrote to memory of 3008	2980	csrsll.exe	96
PID 2980 wrote to memory of 3008	2980	csrsll.exe	96
PID 2980 wrote to memory of 3008	2980	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
"C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
  "C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4360
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XLQVB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1692
  - - 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:4856
- - 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:2980
  - - 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:588
  - - 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:3008

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\XLQVB.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
b74ff33db9e321b5bd5280a3a1e9b104

SHA1
ed079d10655f97d316f393872d6730da3e0bfb8f

SHA256
6d1cbac46b12f3736661fce7b1ee55e70e4cb84729f8a6e57c9f7f5982510ad7

SHA512
80d65c66327dd6e64732447b64bf06691c66319079682f37f420f38725ec54854175a573ea125d8b6e3a53938bb38ebc4e6e8c8f57a0add01895d23b75ee0893

Download Submit
memory/588-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-53-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2980-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2980-41-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2980-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3008-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3008-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3008-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3008-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3008-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3008-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3260-4-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/3260-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3260-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3260-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/3260-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/3260-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4360-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4360-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4360-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4360-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4360-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4360-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads