modiloader | 6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 22:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe
Size

90KB
MD5

bf1f4d4be1ee098a683cc90d6bd9d867
SHA1

30b009cc90a1133562f4593c045dd0625381b2b3
SHA256

6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9
SHA512

49b903b4db180998c1050476265a3c2c022f98c80969d80361fae689fd10b2e6930f9a9fc8a0764519f5ee1fb3cc143c6c7178f3348b54769e8d55c3736dafe1
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK: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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/3796-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3796-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3796-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3796-63-0x0000000000400000-0x0000000000414000-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe

Executes dropped EXE 3 IoCs

pid	Process
536	csrsll.exe
2484	csrsll.exe
3796	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2400-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2400-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1392-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1392-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1392-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2400-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023383-29.dat	upx
behavioral2/memory/536-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1392-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/536-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/536-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3796-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3796-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/536-51-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3796-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3796-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3796-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1392-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2484-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3796-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-1302416131-1437503476-2806442725-1000\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 2400 set thread context of 1392	2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	91
PID 536 set thread context of 2484	536	csrsll.exe	99
PID 536 set thread context of 3796	536	csrsll.exe	100

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	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe
1392	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe
536	csrsll.exe
2484	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1392	2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	91
PID 2400 wrote to memory of 1392	2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	91
PID 2400 wrote to memory of 1392	2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	91
PID 2400 wrote to memory of 1392	2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	91
PID 2400 wrote to memory of 1392	2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	91
PID 2400 wrote to memory of 1392	2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	91
PID 2400 wrote to memory of 1392	2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	91
PID 2400 wrote to memory of 1392	2400	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	91
PID 1392 wrote to memory of 3300	1392	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	92
PID 1392 wrote to memory of 3300	1392	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	92
PID 1392 wrote to memory of 3300	1392	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	92
PID 3300 wrote to memory of 4200	3300	cmd.exe	95
PID 3300 wrote to memory of 4200	3300	cmd.exe	95
PID 3300 wrote to memory of 4200	3300	cmd.exe	95
PID 1392 wrote to memory of 536	1392	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	96
PID 1392 wrote to memory of 536	1392	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	96
PID 1392 wrote to memory of 536	1392	6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe	96
PID 536 wrote to memory of 2484	536	csrsll.exe	99
PID 536 wrote to memory of 2484	536	csrsll.exe	99
PID 536 wrote to memory of 2484	536	csrsll.exe	99
PID 536 wrote to memory of 2484	536	csrsll.exe	99
PID 536 wrote to memory of 2484	536	csrsll.exe	99
PID 536 wrote to memory of 2484	536	csrsll.exe	99
PID 536 wrote to memory of 2484	536	csrsll.exe	99
PID 536 wrote to memory of 2484	536	csrsll.exe	99
PID 536 wrote to memory of 3796	536	csrsll.exe	100
PID 536 wrote to memory of 3796	536	csrsll.exe	100
PID 536 wrote to memory of 3796	536	csrsll.exe	100
PID 536 wrote to memory of 3796	536	csrsll.exe	100
PID 536 wrote to memory of 3796	536	csrsll.exe	100
PID 536 wrote to memory of 3796	536	csrsll.exe	100
PID 536 wrote to memory of 3796	536	csrsll.exe	100
PID 536 wrote to memory of 3796	536	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe
"C:\Users\Admin\AppData\Local\Temp\6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe
  "C:\Users\Admin\AppData\Local\Temp\6f7c752b530f093dc34f813911df9ee08023c56ef5293ddc7b6a1d2580bc84b9.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KNDIW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3300
  - - 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:4200
- - 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:536
  - - 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:2484
  - - 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:3796

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\KNDIW.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d8d224785925c23c7791a658f4747274

SHA1
ea315c460d40b516ca1b326c3c859fc60fc12501

SHA256
07247c37bc9ff2d7202c078eb29d6f6ea065529b523a72a0f60aca91d961b336

SHA512
9e0b9f3f44fd52c0501ca71c6c617e0dd8c5567d69aa1bf9a06640e59017a3918f47be20b1fbdb535d3fc9254b9de40d3cc35af1c5f9e0a0cc0f88fe89e56343

Download Submit
memory/536-51-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/536-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/536-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/536-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1392-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2400-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2400-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2400-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2400-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/2400-4-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/2400-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2484-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3796-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3796-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3796-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3796-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3796-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3796-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads