modiloader | 56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2

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
16/12/2024, 10:44

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General

Target

56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe
Size

90KB
MD5

7f233fd428b4bf3431f4b76a72bb8280
SHA1

d968746ae30f5993707dd5b526648fba2b832aaa
SHA256

56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2
SHA512

eb4a4d7eb5d987898202e87faaeba143fa230fe0ce4810516efd668ed03a92430087489b2f7f182e6ab50c0d99b7a66baf561db62489601134b20dd017639c38
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3d

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/772-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/772-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/772-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/772-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe

Executes dropped EXE 3 IoCs

pid	Process
5060	csrsll.exe
2968	csrsll.exe
772	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-1-5-21-2437139445-1151884604-3026847218-1000\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 4000 set thread context of 3460	4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	83
PID 5060 set thread context of 2968	5060	csrsll.exe	97
PID 5060 set thread context of 772	5060	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4000-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4000-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3460-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3460-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4000-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3460-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb2-29.dat	upx
behavioral2/memory/3460-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5060-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5060-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/772-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/772-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/772-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/772-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/772-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5060-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3460-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2968-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/772-62-0x0000000000400000-0x0000000000414000-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	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.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	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe
Token: SeDebugPrivilege	2968	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe
3460	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe
5060	csrsll.exe
2968	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 3460	4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	83
PID 4000 wrote to memory of 3460	4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	83
PID 4000 wrote to memory of 3460	4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	83
PID 4000 wrote to memory of 3460	4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	83
PID 4000 wrote to memory of 3460	4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	83
PID 4000 wrote to memory of 3460	4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	83
PID 4000 wrote to memory of 3460	4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	83
PID 4000 wrote to memory of 3460	4000	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	83
PID 3460 wrote to memory of 4244	3460	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	84
PID 3460 wrote to memory of 4244	3460	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	84
PID 3460 wrote to memory of 4244	3460	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	84
PID 4244 wrote to memory of 3336	4244	cmd.exe	88
PID 4244 wrote to memory of 3336	4244	cmd.exe	88
PID 4244 wrote to memory of 3336	4244	cmd.exe	88
PID 3460 wrote to memory of 5060	3460	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	89
PID 3460 wrote to memory of 5060	3460	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	89
PID 3460 wrote to memory of 5060	3460	56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe	89
PID 5060 wrote to memory of 2968	5060	csrsll.exe	97
PID 5060 wrote to memory of 2968	5060	csrsll.exe	97
PID 5060 wrote to memory of 2968	5060	csrsll.exe	97
PID 5060 wrote to memory of 2968	5060	csrsll.exe	97
PID 5060 wrote to memory of 2968	5060	csrsll.exe	97
PID 5060 wrote to memory of 2968	5060	csrsll.exe	97
PID 5060 wrote to memory of 2968	5060	csrsll.exe	97
PID 5060 wrote to memory of 2968	5060	csrsll.exe	97
PID 5060 wrote to memory of 772	5060	csrsll.exe	98
PID 5060 wrote to memory of 772	5060	csrsll.exe	98
PID 5060 wrote to memory of 772	5060	csrsll.exe	98
PID 5060 wrote to memory of 772	5060	csrsll.exe	98
PID 5060 wrote to memory of 772	5060	csrsll.exe	98
PID 5060 wrote to memory of 772	5060	csrsll.exe	98
PID 5060 wrote to memory of 772	5060	csrsll.exe	98
PID 5060 wrote to memory of 772	5060	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe
"C:\Users\Admin\AppData\Local\Temp\56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Users\Admin\AppData\Local\Temp\56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe
  "C:\Users\Admin\AppData\Local\Temp\56c80518a363bcc87334bce5321f30d94df39f7527d1b414c80f1b4db87225b2N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3460
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FQVRF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4244
  - - 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:3336
- - 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:5060
  - - 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:2968
  - - 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:772

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\FQVRF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a890953634b5478034d2dc53c2e5853e

SHA1
2eeec5847a59e9dab7a10224407cbdd28a8dc17f

SHA256
e4b3fa590ad2a18f0e04bf469dd40b26c3fdac40503df29997334b4616795965

SHA512
ff9e17dd526faaf6041345a132e91c3f70d04744425b32b6e948a88c8cee0260e6dd3ff6d90bc495837cda23a7fc548d22074bba66b331c8a019b2ebb3ce6433

Download Submit
memory/772-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/772-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/772-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/772-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/772-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/772-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2968-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3460-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3460-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3460-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3460-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3460-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4000-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4000-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4000-4-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/4000-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4000-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/4000-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5060-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5060-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5060-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads