modiloader | 7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fce

Analysis

max time kernel
119s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 19:35

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General

Target

7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe
Size

90KB
MD5

288d7bbc063d8be75eb29b7b41a6d030
SHA1

8f695f0a3d64405702e0e39414556baec042731a
SHA256

7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fce
SHA512

569188e69a3312762fd92bff64ec027ab92d0fb26a8b3f495585f2a5ab878c633a8bc6d98c403f9dcf8654caef81822510721f32488a82ed0f0df79c7505bf13
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDt: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/448-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/448-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/448-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/448-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe

Executes dropped EXE 3 IoCs

pid	Process
4516	csrsll.exe
736	csrsll.exe
448	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-1-5-21-3756129449-3121373848-4276368241-1000\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 1016 set thread context of 5032	1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	82
PID 4516 set thread context of 736	4516	csrsll.exe	93
PID 4516 set thread context of 448	4516	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1016-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1016-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5032-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5032-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1016-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5032-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023c4e-29.dat	upx
behavioral2/memory/4516-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5032-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4516-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4516-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/448-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/448-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/448-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/448-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/448-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4516-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5032-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/736-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/448-63-0x0000000000400000-0x0000000000414000-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	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.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	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe
Token: SeDebugPrivilege	736	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe
5032	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe
4516	csrsll.exe
736	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 5032	1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	82
PID 1016 wrote to memory of 5032	1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	82
PID 1016 wrote to memory of 5032	1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	82
PID 1016 wrote to memory of 5032	1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	82
PID 1016 wrote to memory of 5032	1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	82
PID 1016 wrote to memory of 5032	1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	82
PID 1016 wrote to memory of 5032	1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	82
PID 1016 wrote to memory of 5032	1016	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	82
PID 5032 wrote to memory of 2196	5032	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	83
PID 5032 wrote to memory of 2196	5032	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	83
PID 5032 wrote to memory of 2196	5032	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	83
PID 2196 wrote to memory of 1792	2196	cmd.exe	86
PID 2196 wrote to memory of 1792	2196	cmd.exe	86
PID 2196 wrote to memory of 1792	2196	cmd.exe	86
PID 5032 wrote to memory of 4516	5032	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	87
PID 5032 wrote to memory of 4516	5032	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	87
PID 5032 wrote to memory of 4516	5032	7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe	87
PID 4516 wrote to memory of 736	4516	csrsll.exe	93
PID 4516 wrote to memory of 736	4516	csrsll.exe	93
PID 4516 wrote to memory of 736	4516	csrsll.exe	93
PID 4516 wrote to memory of 736	4516	csrsll.exe	93
PID 4516 wrote to memory of 736	4516	csrsll.exe	93
PID 4516 wrote to memory of 736	4516	csrsll.exe	93
PID 4516 wrote to memory of 736	4516	csrsll.exe	93
PID 4516 wrote to memory of 736	4516	csrsll.exe	93
PID 4516 wrote to memory of 448	4516	csrsll.exe	94
PID 4516 wrote to memory of 448	4516	csrsll.exe	94
PID 4516 wrote to memory of 448	4516	csrsll.exe	94
PID 4516 wrote to memory of 448	4516	csrsll.exe	94
PID 4516 wrote to memory of 448	4516	csrsll.exe	94
PID 4516 wrote to memory of 448	4516	csrsll.exe	94
PID 4516 wrote to memory of 448	4516	csrsll.exe	94
PID 4516 wrote to memory of 448	4516	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe
"C:\Users\Admin\AppData\Local\Temp\7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Users\Admin\AppData\Local\Temp\7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe
  "C:\Users\Admin\AppData\Local\Temp\7ba733ec39fe63c3e0ee96d55a7becb5c50c6a60cc66b6d09f49f2e398806fceN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5032
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BPOAI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2196
  - - 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:1792
- - 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:4516
  - - 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:736
  - - 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:448

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\BPOAI.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a7a9bee02d8b0405cf086fcbbb18c1c8

SHA1
4f55f5c690f9502c4b14ef4585bccd2b15b28fa1

SHA256
8223ba0be8d745ad229b8a459473c44f908a17b10cebdb3a3f566deda45ff29f

SHA512
4329cec3932a98e86a4297366a3fabea18c5bcead11e07cecb1a4079f902eee6c3a053fa8c0ce175ef157243c1a2b74c525fc16036a42b7bac36b65156451828

Download Submit
memory/448-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/448-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/448-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/448-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/448-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/448-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/736-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1016-6-0x0000000002A90000-0x0000000002A92000-memory.dmp

Filesize
8KB

Download
memory/1016-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1016-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1016-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1016-5-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/1016-3-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/4516-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4516-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4516-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4516-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5032-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5032-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5032-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/5032-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5032-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5032-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads