modiloader | 692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 19:29

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General

Target

692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
Size

90KB
MD5

476bd55ebcfa028218c707b62905a586
SHA1

f7f7239669b639b9e4c89ac3e94bbec76ca4014c
SHA256

692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4
SHA512

1877d5998575d3f23ef61d4204d260eef4d64bdf5e2e5ca3d165fba5f6cc8113428a426e134d67c51d0c2cc1bf059202856bd48557462e497f26e6ed36f568ef
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDJ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3z

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/3436-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3436-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3436-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3436-61-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe

Executes dropped EXE 3 IoCs

pid	Process
4804	csrsll.exe
4156	csrsll.exe
3436	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-1-5-21-493223053-2004649691-1575712786-1000\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 2988 set thread context of 3492	2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	84
PID 4804 set thread context of 4156	4804	csrsll.exe	98
PID 4804 set thread context of 3436	4804	csrsll.exe	99

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2988-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2988-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3492-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3492-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2988-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3492-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023c94-28.dat	upx
behavioral2/memory/3492-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4804-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4804-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3436-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3436-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3436-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3436-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3436-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4804-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3492-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4156-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3436-61-0x0000000000400000-0x0000000000414000-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	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	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe
Token: SeDebugPrivilege	4156	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
3492	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
4804	csrsll.exe
4156	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3492	2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	84
PID 2988 wrote to memory of 3492	2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	84
PID 2988 wrote to memory of 3492	2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	84
PID 2988 wrote to memory of 3492	2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	84
PID 2988 wrote to memory of 3492	2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	84
PID 2988 wrote to memory of 3492	2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	84
PID 2988 wrote to memory of 3492	2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	84
PID 2988 wrote to memory of 3492	2988	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	84
PID 3492 wrote to memory of 4696	3492	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	85
PID 3492 wrote to memory of 4696	3492	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	85
PID 3492 wrote to memory of 4696	3492	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	85
PID 4696 wrote to memory of 4116	4696	cmd.exe	89
PID 4696 wrote to memory of 4116	4696	cmd.exe	89
PID 4696 wrote to memory of 4116	4696	cmd.exe	89
PID 3492 wrote to memory of 4804	3492	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	90
PID 3492 wrote to memory of 4804	3492	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	90
PID 3492 wrote to memory of 4804	3492	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	90
PID 4804 wrote to memory of 4156	4804	csrsll.exe	98
PID 4804 wrote to memory of 4156	4804	csrsll.exe	98
PID 4804 wrote to memory of 4156	4804	csrsll.exe	98
PID 4804 wrote to memory of 4156	4804	csrsll.exe	98
PID 4804 wrote to memory of 4156	4804	csrsll.exe	98
PID 4804 wrote to memory of 4156	4804	csrsll.exe	98
PID 4804 wrote to memory of 4156	4804	csrsll.exe	98
PID 4804 wrote to memory of 4156	4804	csrsll.exe	98
PID 4804 wrote to memory of 3436	4804	csrsll.exe	99
PID 4804 wrote to memory of 3436	4804	csrsll.exe	99
PID 4804 wrote to memory of 3436	4804	csrsll.exe	99
PID 4804 wrote to memory of 3436	4804	csrsll.exe	99
PID 4804 wrote to memory of 3436	4804	csrsll.exe	99
PID 4804 wrote to memory of 3436	4804	csrsll.exe	99
PID 4804 wrote to memory of 3436	4804	csrsll.exe	99
PID 4804 wrote to memory of 3436	4804	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
"C:\Users\Admin\AppData\Local\Temp\692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
  "C:\Users\Admin\AppData\Local\Temp\692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3492
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ADTPQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4696
  - - 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:4116
- - 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:4804
  - - 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:4156
  - - 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:3436

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\ADTPQ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4ee4c9552ecc459774d75a59af5998dc

SHA1
98d6d8056607a8322cd99066449dafb5baf45af9

SHA256
9c327ee7657f0724280dea6a0ae16ca74126553cf3bd2edc38f097aca862125c

SHA512
6f858e5631b59b8c792f60a0eb74b26204d0f2b2fe14d14d1e215fe76fd7c5f8ef8638ff145b4e6c8b3e4cbf8074681f1c876125fd06d21575aab2279ded0aa9

Download Submit
memory/2988-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2988-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2988-6-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/2988-5-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/2988-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2988-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3436-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3436-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3436-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3436-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3436-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3436-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3492-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3492-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3492-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3492-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3492-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4156-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4804-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4804-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4804-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads