modiloader | 14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-12-2024 19:47

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General

Target

14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe
Size

326KB
MD5

5bbe15456f21b90afd68c7af650059e3
SHA1

1b1e30b596bdbc167b364b9752a9ca66bbc0590a
SHA256

14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885
SHA512

0219015a682b57607b75ee6abbb286c30c502bebac29c5b0868f059d656c16191ec120e9a099cc598ba82a04a73957fb713e0463b7df1086e196c12dcbd67886
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVr:csxD5cwohO+O1sVG0/pZ6iPC8k

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/3532-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3532-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3532-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3532-59-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe

Executes dropped EXE 3 IoCs

pid	Process
4768	csrsll.exe
448	csrsll.exe
3532	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-1-5-21-940901362-3608833189-1915618603-1000\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 1928 set thread context of 2168	1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	83
PID 4768 set thread context of 448	4768	csrsll.exe	99
PID 4768 set thread context of 3532	4768	csrsll.exe	100

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1928-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1928-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2168-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2168-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2168-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1928-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x000b000000023b68-28.dat	upx
behavioral2/memory/2168-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4768-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4768-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3532-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3532-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3532-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3532-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3532-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4768-55-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2168-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/448-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3532-59-0x0000000000400000-0x0000000000414000-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	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	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe
Token: SeDebugPrivilege	448	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe
2168	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe
4768	csrsll.exe
448	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2168	1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	83
PID 1928 wrote to memory of 2168	1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	83
PID 1928 wrote to memory of 2168	1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	83
PID 1928 wrote to memory of 2168	1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	83
PID 1928 wrote to memory of 2168	1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	83
PID 1928 wrote to memory of 2168	1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	83
PID 1928 wrote to memory of 2168	1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	83
PID 1928 wrote to memory of 2168	1928	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	83
PID 2168 wrote to memory of 2296	2168	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	89
PID 2168 wrote to memory of 2296	2168	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	89
PID 2168 wrote to memory of 2296	2168	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	89
PID 2296 wrote to memory of 2368	2296	cmd.exe	92
PID 2296 wrote to memory of 2368	2296	cmd.exe	92
PID 2296 wrote to memory of 2368	2296	cmd.exe	92
PID 2168 wrote to memory of 4768	2168	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	93
PID 2168 wrote to memory of 4768	2168	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	93
PID 2168 wrote to memory of 4768	2168	14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe	93
PID 4768 wrote to memory of 448	4768	csrsll.exe	99
PID 4768 wrote to memory of 448	4768	csrsll.exe	99
PID 4768 wrote to memory of 448	4768	csrsll.exe	99
PID 4768 wrote to memory of 448	4768	csrsll.exe	99
PID 4768 wrote to memory of 448	4768	csrsll.exe	99
PID 4768 wrote to memory of 448	4768	csrsll.exe	99
PID 4768 wrote to memory of 448	4768	csrsll.exe	99
PID 4768 wrote to memory of 448	4768	csrsll.exe	99
PID 4768 wrote to memory of 3532	4768	csrsll.exe	100
PID 4768 wrote to memory of 3532	4768	csrsll.exe	100
PID 4768 wrote to memory of 3532	4768	csrsll.exe	100
PID 4768 wrote to memory of 3532	4768	csrsll.exe	100
PID 4768 wrote to memory of 3532	4768	csrsll.exe	100
PID 4768 wrote to memory of 3532	4768	csrsll.exe	100
PID 4768 wrote to memory of 3532	4768	csrsll.exe	100
PID 4768 wrote to memory of 3532	4768	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe
"C:\Users\Admin\AppData\Local\Temp\14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe
  "C:\Users\Admin\AppData\Local\Temp\14d19076eb31892d4f556e102359811c283c12240f7732610272aa0642f2e885.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FIYUV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2296
  - - 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:2368
- - 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:4768
  - - 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:448
  - - 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:3532

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\FIYUV.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
4b82b51d6ec6c4ec7481e426f1436df4

SHA1
bd975ebcca434b790cb4bef195ac024b0bb99ad0

SHA256
e11d9f756eaafdf493981b4f28139cce7144bef7769acdf2836b0fb6f3c6fd3b

SHA512
87c0cdbc5e6359717f0a4556afee4b1b4637d5c3da97ef49d22305c1f57506712b60e9408d6fdd1ec3195993bce34b98285e3bb609c5e51d4a450cfe7deda417

Download Submit
memory/448-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1928-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/1928-4-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/1928-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/1928-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1928-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1928-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2168-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2168-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2168-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2168-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2168-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3532-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3532-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3532-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3532-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3532-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3532-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4768-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4768-55-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4768-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads