modiloader | a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 01:53

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General

Target

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
Size

116KB
MD5

b07192a45e252c5913f4f881ac9feb53
SHA1

8e20f4850c3ec172bd34dbe5d789e775e9f8155a
SHA256

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016
SHA512

e46c40177e3b0f20fccf1b1acc54a74e7cbdffd052c628460eced577cc1e1cbb038f6bbe450c7f01b5ad7efb5328d9712c7ae27fcdf0171abd70acb12897cd3e
SSDEEP

1536:JOH1ZaQvR1KiX3NK6I+hZhYrt/w5Q6G6IpiRYzz9qJHhhnm0yG5aP/5PxVj:JCKQJcinxphkG5Q6GdpIOkJHhKRfj

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 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3272-44-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/3272-50-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/3272-48-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/3272-53-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/3272-55-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2
behavioral2/memory/3272-62-0x0000000000400000-0x0000000000411000-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

Processes:

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe

Executes dropped EXE 3 IoCs

Processes:

Flaseher.exeFlaseher.exeFlaseher.exe

pid	Process
716	Flaseher.exe
5032	Flaseher.exe
3272	Flaseher.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\.Flasfh = "C:\\Users\\Admin\\AppData\\Roaming\\..Flash\\Flaseher.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exeFlaseher.exe

description	pid	Process	procid_target
PID 3660 set thread context of 2296	3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	89
PID 716 set thread context of 5032	716	Flaseher.exe	101
PID 716 set thread context of 3272	716	Flaseher.exe	102

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2296-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2296-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2296-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2296-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2296-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5032-60-0x0000000000400000-0x000000000040B000-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

Processes:

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exea100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.execmd.exereg.exeFlaseher.exeFlaseher.exeFlaseher.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.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	Flaseher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flaseher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flaseher.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

Flaseher.exe

description	pid	Process
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe
Token: SeDebugPrivilege	5032	Flaseher.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exea100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exeFlaseher.exeFlaseher.exe

pid	Process
3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
2296	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
716	Flaseher.exe
5032	Flaseher.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exea100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.execmd.exeFlaseher.exe

description	pid	Process	procid_target
PID 3660 wrote to memory of 2296	3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	89
PID 3660 wrote to memory of 2296	3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	89
PID 3660 wrote to memory of 2296	3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	89
PID 3660 wrote to memory of 2296	3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	89
PID 3660 wrote to memory of 2296	3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	89
PID 3660 wrote to memory of 2296	3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	89
PID 3660 wrote to memory of 2296	3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	89
PID 3660 wrote to memory of 2296	3660	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	89
PID 2296 wrote to memory of 1444	2296	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	92
PID 2296 wrote to memory of 1444	2296	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	92
PID 2296 wrote to memory of 1444	2296	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	92
PID 1444 wrote to memory of 3936	1444	cmd.exe	96
PID 1444 wrote to memory of 3936	1444	cmd.exe	96
PID 1444 wrote to memory of 3936	1444	cmd.exe	96
PID 2296 wrote to memory of 716	2296	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	97
PID 2296 wrote to memory of 716	2296	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	97
PID 2296 wrote to memory of 716	2296	a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe	97
PID 716 wrote to memory of 5032	716	Flaseher.exe	101
PID 716 wrote to memory of 5032	716	Flaseher.exe	101
PID 716 wrote to memory of 5032	716	Flaseher.exe	101
PID 716 wrote to memory of 5032	716	Flaseher.exe	101
PID 716 wrote to memory of 5032	716	Flaseher.exe	101
PID 716 wrote to memory of 5032	716	Flaseher.exe	101
PID 716 wrote to memory of 5032	716	Flaseher.exe	101
PID 716 wrote to memory of 5032	716	Flaseher.exe	101
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102
PID 716 wrote to memory of 3272	716	Flaseher.exe	102

C:\Users\Admin\AppData\Local\Temp\a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
"C:\Users\Admin\AppData\Local\Temp\a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Users\Admin\AppData\Local\Temp\a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe
  "C:\Users\Admin\AppData\Local\Temp\a100ef7eedf25e5bcd0148cabb54b66004b7daed9e6b2e208e17c4f6a445b016.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OPLKX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1444
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v ".Flasfh" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:3936
- - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
    "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:716
  - - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
      "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:5032
  - - C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
      "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3272

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\OPLKX.txt

Filesize
145B

MD5
da0cbe87b720a79b294147ed6a4b98be

SHA1
ebf0dc9efd7a12cb192e355cda87546acb4ab360

SHA256
7ccfeff356fdccc9145bd1e263aa1c56360ca7b6552ed5a5665c596d02a627ed

SHA512
f55c4a3d24d2f11db5eda3c816d1cd3b8804a171a7bf715b13d60788247fbb352eafaa5bd4e0a8086c1013396be0a48c7bdb904ab0f974fa0c75e81e3d365acc

Download Submit
C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe

Filesize
116KB

MD5
db68e97f3d4fefbd27fa54bf7142819d

SHA1
6ccf8da0eb30b8e05a1b70c72916147d544e77c2

SHA256
113462a81969bc9b46c732a25a85e61ebb8ff91c2f4e206db3eec2d00f5dd491

SHA512
5485a6c389e2165d00b98aa15379e892d991797121307c521032970d64536d934ae29021cc602b25511ecabd7587015cf0aa6803f5a09311c198637eb9ad58bb

Download Submit
memory/716-52-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/716-41-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/716-40-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/716-38-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2296-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2296-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2296-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2296-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2296-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3272-44-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3272-50-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3272-48-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3272-53-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3272-55-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3272-62-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3660-6-0x0000000002C80000-0x0000000002C81000-memory.dmp

Filesize
4KB

Download
memory/3660-5-0x0000000002C70000-0x0000000002C71000-memory.dmp

Filesize
4KB

Download
memory/3660-4-0x0000000002C00000-0x0000000002C01000-memory.dmp

Filesize
4KB

Download
memory/3660-7-0x0000000002C90000-0x0000000002C91000-memory.dmp

Filesize
4KB

Download
memory/3660-2-0x0000000002B90000-0x0000000002B91000-memory.dmp

Filesize
4KB

Download
memory/3660-3-0x0000000002BC0000-0x0000000002BC1000-memory.dmp

Filesize
4KB

Download
memory/5032-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download