modiloader | bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5

Analysis

max time kernel
150s
max time network
154s
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 04:31

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General

Target

bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe
Size

90KB
MD5

c6a5c5c6e49f8b7e0e91ad5223b1ad61
SHA1

e02d5e76fd13e11e7f77ed883b15164a19432134
SHA256

bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5
SHA512

2d05c72ff6df05a00fd52d2a8dc5ff1c1d5355b44c85a9bd677f7247029ce19fc8c6f050cc90e4e927ae294d55054f5264fa48f8387927641f22a557f509bc63
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDi:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3s

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/1304-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1304-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1304-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1304-60-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe

Executes dropped EXE 3 IoCs

pid	Process
2108	csrsll.exe
804	csrsll.exe
1304	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-1-5-21-4050598569-1597076380-177084960-1000\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 4792 set thread context of 880	4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	87
PID 2108 set thread context of 804	2108	csrsll.exe	95
PID 2108 set thread context of 1304	2108	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4792-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4792-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/880-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/880-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4792-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/880-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b8b-29.dat	upx
behavioral2/memory/880-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2108-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2108-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1304-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1304-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1304-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1304-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2108-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1304-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/880-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/804-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1304-60-0x0000000000400000-0x0000000000414000-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	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.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 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe
Token: SeDebugPrivilege	804	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe
880	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe
2108	csrsll.exe
804	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 880	4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	87
PID 4792 wrote to memory of 880	4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	87
PID 4792 wrote to memory of 880	4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	87
PID 4792 wrote to memory of 880	4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	87
PID 4792 wrote to memory of 880	4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	87
PID 4792 wrote to memory of 880	4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	87
PID 4792 wrote to memory of 880	4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	87
PID 4792 wrote to memory of 880	4792	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	87
PID 880 wrote to memory of 596	880	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	88
PID 880 wrote to memory of 596	880	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	88
PID 880 wrote to memory of 596	880	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	88
PID 596 wrote to memory of 4808	596	cmd.exe	92
PID 596 wrote to memory of 4808	596	cmd.exe	92
PID 596 wrote to memory of 4808	596	cmd.exe	92
PID 880 wrote to memory of 2108	880	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	93
PID 880 wrote to memory of 2108	880	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	93
PID 880 wrote to memory of 2108	880	bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe	93
PID 2108 wrote to memory of 804	2108	csrsll.exe	95
PID 2108 wrote to memory of 804	2108	csrsll.exe	95
PID 2108 wrote to memory of 804	2108	csrsll.exe	95
PID 2108 wrote to memory of 804	2108	csrsll.exe	95
PID 2108 wrote to memory of 804	2108	csrsll.exe	95
PID 2108 wrote to memory of 804	2108	csrsll.exe	95
PID 2108 wrote to memory of 804	2108	csrsll.exe	95
PID 2108 wrote to memory of 804	2108	csrsll.exe	95
PID 2108 wrote to memory of 1304	2108	csrsll.exe	96
PID 2108 wrote to memory of 1304	2108	csrsll.exe	96
PID 2108 wrote to memory of 1304	2108	csrsll.exe	96
PID 2108 wrote to memory of 1304	2108	csrsll.exe	96
PID 2108 wrote to memory of 1304	2108	csrsll.exe	96
PID 2108 wrote to memory of 1304	2108	csrsll.exe	96
PID 2108 wrote to memory of 1304	2108	csrsll.exe	96
PID 2108 wrote to memory of 1304	2108	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe
"C:\Users\Admin\AppData\Local\Temp\bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Users\Admin\AppData\Local\Temp\bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe
  "C:\Users\Admin\AppData\Local\Temp\bddad53a3d3fb22992ed129d3965cdeb3853a2a73ed78ec8b9293d0d95961ad5.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JIWDM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:596
  - - 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:4808
- - 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:2108
  - - 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:804
  - - 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:1304

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\JIWDM.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4ebcb9a310abbbcda43d16ae43541ab9

SHA1
c00fb40999c1986fe026549324e507ef54769bb5

SHA256
0a162a2999157132335c55148152489c5b38d8b2843cbe5b6b680cc8344b5c82

SHA512
cb66312e7a8100618a816591bd147442672bb93752d991f3664287eb74d17333bb267108e45cc0f9bf24dfa49a8a818e63ecac9f14fb1e7b1c0ef66c66b6e4c7

Download Submit
memory/804-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/880-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/880-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/880-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/880-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/880-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1304-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1304-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1304-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1304-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1304-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1304-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2108-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2108-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2108-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4792-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4792-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4792-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4792-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4792-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4792-6-0x0000000002A90000-0x0000000002A92000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads