modiloader | 2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2024, 01:19

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General

Target

2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe
Size

90KB
MD5

8bc11daea3cbaeef8e68509bf7ffdef0
SHA1

f815da45b0d17e48b8031a40837d21ae71b98361
SHA256

2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3
SHA512

e0cf6d22aa5c8e2be780988b7c5bee1d6e38a44c515c23f6b3d06646913b239e25e715550ad4a5938c96833b627f5338d9257c9b9c96190b4b3677a7129b9758
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD5:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3H

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/884-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/884-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/884-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/884-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe

Executes dropped EXE 3 IoCs

pid	Process
4964	csrsll.exe
4356	csrsll.exe
884	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-1-5-21-2878641211-696417878-3864914810-1000\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 4272 set thread context of 2872	4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	86
PID 4964 set thread context of 4356	4964	csrsll.exe	103
PID 4964 set thread context of 884	4964	csrsll.exe	104

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4272-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4272-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2872-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2872-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4272-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2872-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c9d-29.dat	upx
behavioral2/memory/2872-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4964-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4964-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/884-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4964-51-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/884-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/884-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/884-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/884-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2872-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4356-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/884-62-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe
Token: SeDebugPrivilege	4356	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe
2872	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe
4964	csrsll.exe
4356	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 2872	4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	86
PID 4272 wrote to memory of 2872	4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	86
PID 4272 wrote to memory of 2872	4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	86
PID 4272 wrote to memory of 2872	4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	86
PID 4272 wrote to memory of 2872	4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	86
PID 4272 wrote to memory of 2872	4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	86
PID 4272 wrote to memory of 2872	4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	86
PID 4272 wrote to memory of 2872	4272	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	86
PID 2872 wrote to memory of 3252	2872	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	92
PID 2872 wrote to memory of 3252	2872	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	92
PID 2872 wrote to memory of 3252	2872	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	92
PID 3252 wrote to memory of 3092	3252	cmd.exe	96
PID 3252 wrote to memory of 3092	3252	cmd.exe	96
PID 3252 wrote to memory of 3092	3252	cmd.exe	96
PID 2872 wrote to memory of 4964	2872	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	97
PID 2872 wrote to memory of 4964	2872	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	97
PID 2872 wrote to memory of 4964	2872	2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe	97
PID 4964 wrote to memory of 4356	4964	csrsll.exe	103
PID 4964 wrote to memory of 4356	4964	csrsll.exe	103
PID 4964 wrote to memory of 4356	4964	csrsll.exe	103
PID 4964 wrote to memory of 4356	4964	csrsll.exe	103
PID 4964 wrote to memory of 4356	4964	csrsll.exe	103
PID 4964 wrote to memory of 4356	4964	csrsll.exe	103
PID 4964 wrote to memory of 4356	4964	csrsll.exe	103
PID 4964 wrote to memory of 4356	4964	csrsll.exe	103
PID 4964 wrote to memory of 884	4964	csrsll.exe	104
PID 4964 wrote to memory of 884	4964	csrsll.exe	104
PID 4964 wrote to memory of 884	4964	csrsll.exe	104
PID 4964 wrote to memory of 884	4964	csrsll.exe	104
PID 4964 wrote to memory of 884	4964	csrsll.exe	104
PID 4964 wrote to memory of 884	4964	csrsll.exe	104
PID 4964 wrote to memory of 884	4964	csrsll.exe	104
PID 4964 wrote to memory of 884	4964	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe
"C:\Users\Admin\AppData\Local\Temp\2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Users\Admin\AppData\Local\Temp\2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe
  "C:\Users\Admin\AppData\Local\Temp\2719f648bfc6c4a9cd9b5c57e42d9af6a676ffbfb9410d78fb1a92ceafecc8e3N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JXWIQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3252
  - - 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:3092
- - 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:4964
  - - 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:4356
  - - 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:884

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\JXWIQ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
259eb8421232560b83d7b1a4db5e294a

SHA1
3936f59133618690f86805269034a3c5f992e8d0

SHA256
42ec9bfa2ec3beb1aa783ef41e9518aefcccbd8c5835c1f1bbfa132b1cec7cb0

SHA512
cf61eae2795d2ef1c43fb492a57105289204d8158f111d92625a36b054f3a4d103cc3e4f10eca7364838fc20c7ac54ca1705bdefc7eb6da74b71a1a70a8c9b4a

Download Submit
memory/884-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/884-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/884-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/884-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/884-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/884-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2872-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2872-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2872-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2872-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2872-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4272-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4272-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/4272-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4272-6-0x0000000002200000-0x0000000002202000-memory.dmp

Filesize
8KB

Download
memory/4272-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4272-4-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/4356-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4964-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4964-51-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4964-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads