modiloader | cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 01:23

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General

Target

cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe
Size

90KB
MD5

b8ed67c030e89a509ce49d3ebd653c60
SHA1

28470d83a8df61851a1f5fbb7a94bcd7850b5c83
SHA256

cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401
SHA512

fbdba2835926ec9b128dd9857310db03f5fb0ff4c4558eeed1d8ce03d3c189700777fb39437a1bcd34765ce028d6984b37d00b827062a1c8bd11801ecf1d9db4
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/2876-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2876-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2876-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2876-63-0x0000000000400000-0x0000000000414000-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe

Executes dropped EXE 3 IoCs

pid	Process
3460	csrsll.exe
1536	csrsll.exe
2876	csrsll.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3144-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2528-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3144-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2528-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2528-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2528-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3144-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023487-29.dat	upx
behavioral2/memory/3460-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2528-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3460-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3460-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2876-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2876-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2876-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2876-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2876-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3460-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2528-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1536-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2876-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-523280732-2327480845-3730041215-1000\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 3144 set thread context of 2528	3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	87
PID 3460 set thread context of 1536	3460	csrsll.exe	95
PID 3460 set thread context of 2876	3460	csrsll.exe	96

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	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.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	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe
2528	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe
3460	csrsll.exe
1536	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 2528	3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	87
PID 3144 wrote to memory of 2528	3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	87
PID 3144 wrote to memory of 2528	3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	87
PID 3144 wrote to memory of 2528	3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	87
PID 3144 wrote to memory of 2528	3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	87
PID 3144 wrote to memory of 2528	3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	87
PID 3144 wrote to memory of 2528	3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	87
PID 3144 wrote to memory of 2528	3144	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	87
PID 2528 wrote to memory of 2004	2528	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	88
PID 2528 wrote to memory of 2004	2528	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	88
PID 2528 wrote to memory of 2004	2528	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	88
PID 2004 wrote to memory of 1896	2004	cmd.exe	91
PID 2004 wrote to memory of 1896	2004	cmd.exe	91
PID 2004 wrote to memory of 1896	2004	cmd.exe	91
PID 2528 wrote to memory of 3460	2528	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	92
PID 2528 wrote to memory of 3460	2528	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	92
PID 2528 wrote to memory of 3460	2528	cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe	92
PID 3460 wrote to memory of 1536	3460	csrsll.exe	95
PID 3460 wrote to memory of 1536	3460	csrsll.exe	95
PID 3460 wrote to memory of 1536	3460	csrsll.exe	95
PID 3460 wrote to memory of 1536	3460	csrsll.exe	95
PID 3460 wrote to memory of 1536	3460	csrsll.exe	95
PID 3460 wrote to memory of 1536	3460	csrsll.exe	95
PID 3460 wrote to memory of 1536	3460	csrsll.exe	95
PID 3460 wrote to memory of 1536	3460	csrsll.exe	95
PID 3460 wrote to memory of 2876	3460	csrsll.exe	96
PID 3460 wrote to memory of 2876	3460	csrsll.exe	96
PID 3460 wrote to memory of 2876	3460	csrsll.exe	96
PID 3460 wrote to memory of 2876	3460	csrsll.exe	96
PID 3460 wrote to memory of 2876	3460	csrsll.exe	96
PID 3460 wrote to memory of 2876	3460	csrsll.exe	96
PID 3460 wrote to memory of 2876	3460	csrsll.exe	96
PID 3460 wrote to memory of 2876	3460	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe
"C:\Users\Admin\AppData\Local\Temp\cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Users\Admin\AppData\Local\Temp\cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe
  "C:\Users\Admin\AppData\Local\Temp\cae128f18165d9869cf1e68f494f91ef33869b0fb1e8019164d06e2d18f96401.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LJNIQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2004
  - - 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:1896
- - 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:3460
  - - 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:1536
  - - 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:2876

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\LJNIQ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3c058ac9a759892cfa576c45f526a8d3

SHA1
5fbd1b3e08a69d85c4ecb23253ced4fa46e91524

SHA256
e402f6593768e4955bb711a854261b337e6b8ce880091c6f42beebee5f07d981

SHA512
fc59c16839718ba3fac51acc0cfdfbeeab03174e10c15c556062e9916d46611c3d8723a15e4a1114b2362bdcd38ce8fac272e0e51234bb0866a91447f1ec76be

Download Submit
memory/1536-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2876-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2876-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2876-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2876-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2876-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2876-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3144-5-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/3144-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3144-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3144-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/3144-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/3144-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3460-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3460-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3460-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3460-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads