modiloader | 692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4

Analysis

max time kernel
59s
max time network
58s
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 19:22

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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/2524-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2524-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2524-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2524-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe

Executes dropped EXE 3 IoCs

pid	Process
4948	csrsll.exe
3560	csrsll.exe
2524	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-1-5-21-3442511616-637977696-3186306149-1000\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 3304 set thread context of 3712	3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	82
PID 4948 set thread context of 3560	4948	csrsll.exe	93
PID 4948 set thread context of 2524	4948	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3304-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3304-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3712-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3712-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3712-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3304-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b84-29.dat	upx
behavioral2/memory/3712-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4948-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4948-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2524-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2524-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2524-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2524-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2524-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4948-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3712-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3560-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2524-62-0x0000000000400000-0x0000000000414000-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	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.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

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe
Token: SeDebugPrivilege	3560	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
3712	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe
4948	csrsll.exe
3560	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 3712	3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	82
PID 3304 wrote to memory of 3712	3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	82
PID 3304 wrote to memory of 3712	3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	82
PID 3304 wrote to memory of 3712	3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	82
PID 3304 wrote to memory of 3712	3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	82
PID 3304 wrote to memory of 3712	3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	82
PID 3304 wrote to memory of 3712	3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	82
PID 3304 wrote to memory of 3712	3304	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	82
PID 3712 wrote to memory of 1380	3712	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	83
PID 3712 wrote to memory of 1380	3712	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	83
PID 3712 wrote to memory of 1380	3712	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	83
PID 1380 wrote to memory of 1496	1380	cmd.exe	86
PID 1380 wrote to memory of 1496	1380	cmd.exe	86
PID 1380 wrote to memory of 1496	1380	cmd.exe	86
PID 3712 wrote to memory of 4948	3712	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	87
PID 3712 wrote to memory of 4948	3712	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	87
PID 3712 wrote to memory of 4948	3712	692cca772c1eeaad17f7b24ee947b76f3b343dd4c14c137bdc327d5a8145d6e4.exe	87
PID 4948 wrote to memory of 3560	4948	csrsll.exe	93
PID 4948 wrote to memory of 3560	4948	csrsll.exe	93
PID 4948 wrote to memory of 3560	4948	csrsll.exe	93
PID 4948 wrote to memory of 3560	4948	csrsll.exe	93
PID 4948 wrote to memory of 3560	4948	csrsll.exe	93
PID 4948 wrote to memory of 3560	4948	csrsll.exe	93
PID 4948 wrote to memory of 3560	4948	csrsll.exe	93
PID 4948 wrote to memory of 3560	4948	csrsll.exe	93
PID 4948 wrote to memory of 2524	4948	csrsll.exe	94
PID 4948 wrote to memory of 2524	4948	csrsll.exe	94
PID 4948 wrote to memory of 2524	4948	csrsll.exe	94
PID 4948 wrote to memory of 2524	4948	csrsll.exe	94
PID 4948 wrote to memory of 2524	4948	csrsll.exe	94
PID 4948 wrote to memory of 2524	4948	csrsll.exe	94
PID 4948 wrote to memory of 2524	4948	csrsll.exe	94
PID 4948 wrote to memory of 2524	4948	csrsll.exe	94

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:3304
- 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:3712
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GVWTC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1380
  - - 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:1496
- - 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:4948
  - - 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:3560
  - - 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:2524

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\GVWTC.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4f76d14604a8ecd7135209e76f9b10a1

SHA1
6f98906cf368842ba7f537425a0ccae6d2ac3202

SHA256
e05deec56843a644be1f8cfeaaba01bc79c74eb87cbddca96d9251616cdd17be

SHA512
060add7e47eb90694be8cc54d906dcd16b6bad02a98a2b4018079847685c26657364ca7688e6ef7d20c1d8663319449acb47df4c6da3ea24460ebcd90cb6f17d

Download Submit
memory/2524-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2524-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2524-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2524-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2524-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2524-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3304-4-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/3304-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3304-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3304-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3304-7-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/3304-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/3304-3-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/3560-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3712-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3712-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3712-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3712-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3712-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4948-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4948-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads