modiloader | 02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740

Analysis

max time kernel
148s
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
05/12/2024, 15:01

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General

Target

02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe
Size

90KB
MD5

5ce39b3182dc122417bc7579a669a1f8
SHA1

64f9e706006afe14cf0853c4ecf1555a91ffbbab
SHA256

02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740
SHA512

0da83a2389d32e85b68f1f41232e9b18fbef15fb4a9d5b9deb67b71442c24c979798d662bd389ef78bb79c7f9468e1f595ed3a21fe235d666c2f4b111b154c76
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDJ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3n

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/1908-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1908-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1908-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1908-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe

Executes dropped EXE 3 IoCs

pid	Process
4204	csrsll.exe
628	csrsll.exe
1908	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-1-5-21-2437139445-1151884604-3026847218-1000\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 3204 set thread context of 4140	3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	84
PID 4204 set thread context of 628	4204	csrsll.exe	98
PID 4204 set thread context of 1908	4204	csrsll.exe	99

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3204-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3204-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4140-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4140-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4140-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3204-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0009000000023c9f-29.dat	upx
behavioral2/memory/4140-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4204-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4204-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1908-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1908-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1908-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1908-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4204-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1908-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4140-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/628-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1908-61-0x0000000000400000-0x0000000000414000-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	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.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	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe
4140	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe
4204	csrsll.exe
628	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 4140	3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	84
PID 3204 wrote to memory of 4140	3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	84
PID 3204 wrote to memory of 4140	3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	84
PID 3204 wrote to memory of 4140	3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	84
PID 3204 wrote to memory of 4140	3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	84
PID 3204 wrote to memory of 4140	3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	84
PID 3204 wrote to memory of 4140	3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	84
PID 3204 wrote to memory of 4140	3204	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	84
PID 4140 wrote to memory of 4312	4140	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	85
PID 4140 wrote to memory of 4312	4140	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	85
PID 4140 wrote to memory of 4312	4140	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	85
PID 4312 wrote to memory of 4944	4312	cmd.exe	89
PID 4312 wrote to memory of 4944	4312	cmd.exe	89
PID 4312 wrote to memory of 4944	4312	cmd.exe	89
PID 4140 wrote to memory of 4204	4140	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	90
PID 4140 wrote to memory of 4204	4140	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	90
PID 4140 wrote to memory of 4204	4140	02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe	90
PID 4204 wrote to memory of 628	4204	csrsll.exe	98
PID 4204 wrote to memory of 628	4204	csrsll.exe	98
PID 4204 wrote to memory of 628	4204	csrsll.exe	98
PID 4204 wrote to memory of 628	4204	csrsll.exe	98
PID 4204 wrote to memory of 628	4204	csrsll.exe	98
PID 4204 wrote to memory of 628	4204	csrsll.exe	98
PID 4204 wrote to memory of 628	4204	csrsll.exe	98
PID 4204 wrote to memory of 628	4204	csrsll.exe	98
PID 4204 wrote to memory of 1908	4204	csrsll.exe	99
PID 4204 wrote to memory of 1908	4204	csrsll.exe	99
PID 4204 wrote to memory of 1908	4204	csrsll.exe	99
PID 4204 wrote to memory of 1908	4204	csrsll.exe	99
PID 4204 wrote to memory of 1908	4204	csrsll.exe	99
PID 4204 wrote to memory of 1908	4204	csrsll.exe	99
PID 4204 wrote to memory of 1908	4204	csrsll.exe	99
PID 4204 wrote to memory of 1908	4204	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe
"C:\Users\Admin\AppData\Local\Temp\02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Users\Admin\AppData\Local\Temp\02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe
  "C:\Users\Admin\AppData\Local\Temp\02996e48ff98930e18a2a9aa31e31e330133d4a6b14fb0856b9791cec2bf1740.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XTHUF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4312
  - - 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:4944
- - 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:4204
  - - 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:628
  - - 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:1908

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\XTHUF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e141f79f01f79e25a7c71fa430171a87

SHA1
883ed2a9e52c7b94ee3845fbf9fa13d493aa4996

SHA256
2703e4cc15f58e3096613f5225adefb45fc17bd918ef61541ae0a3bfa7889056

SHA512
8765f3fd369f3dec1d81e9ae0daf2328f599ed5052fc3b1092b42ceeba80cfe885ade2529d38b1c5a754338b36451d8eecd9b7c647757353042dfd26408b53c4

Download Submit
memory/628-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1908-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1908-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1908-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1908-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1908-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1908-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3204-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3204-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/3204-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3204-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3204-5-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/3204-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/4140-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4140-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4140-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4140-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4140-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4140-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4204-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4204-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4204-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads