hijackloader | c0d694f24002c77382adfeaa0f3b9c28d93e2c07d761ccaa5fc9644389031c39

Resubmissions

26-07-2024 23:18

240726-3ac1dsthre 10

11-06-2024 01:50

240611-b9q8hszbqh 10

09-06-2024 15:53

240609-tbyttach24 10

Analysis

max time kernel
148s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2024 23:18

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General

Target

Dexis Setup.exe
Size

64.6MB
MD5

168e953440d699dc30a39402b4f6e625
SHA1

66efd121a3fdd79b3443f1204fc3a8a8e8d76d12
SHA256

c0d694f24002c77382adfeaa0f3b9c28d93e2c07d761ccaa5fc9644389031c39
SHA512

0dd0edd1b6cb1e1a5c0c39975dc11a2b85c2cdc3b1f0e476b1d867d2519f37e07fb3aec6e0ab4ea2b6370281434541aa010cfa21a07543ca00edfb47dbbbc7d2
SSDEEP

1572864:sQsJjyxAAJXIUEqFGX6xJU2ii8FStoKNSKqh4DFC2EPc4iUb/++O2g9mju:sQ+jyZLEqFC602h86Dc2EE4Fe9mS

Score

10^/10

hijackloader stealc dex23 discovery execution loader stealer

Malware Config

Extracted

Family

stealc

Botnet

dex23

http://45.156.27.196

Attributes

url_path
/4c7ef30d4540070f.php

Signatures

Detects HijackLoader (aka IDAT Loader) 2 IoCs

resource	yara_rule
behavioral3/files/0x00070000000234e6-220.dat	family_hijackloader
behavioral3/memory/2756-221-0x00000000007F0000-0x00000000008EB000-memory.dmp	family_hijackloader

HijackLoader
HijackLoader is a multistage loader first seen in 2023.
loader hijackloader
Stealc
Stealc is an infostealer written in C++.
stealer stealc

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4728	powershell.exe
4232	powershell.exe
3232	powershell.exe
208	powershell.exe

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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	Dexis Setup.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 1832	2756	snss1.exe	114

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Dexis\resources	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\ru.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\te.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\th.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\version	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\chrome_200_percent.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\ar.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\uk.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\af.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\fa.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\hr.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\ta.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\icudtl.dat	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\hr.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\nl.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\resources\trayIcon.ico	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\resources\app.asar.unpacked\node_modules\better-sqlite3	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\fr.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\pt-BR.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\sl.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\zh-CN.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\resources\app-update.yml	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\Dexis.exe	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\ar.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\bg.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\id.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\kn.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\pt-PT.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\am.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\bg.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\fil.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\nl.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\pl.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\ur.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\vulkan-1.dll	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\id.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\it.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\mr.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\v8_context_snapshot.bin	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\libGLESv2.dll	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\de.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\es.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\fr.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\resources\trayIcon.ico	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\cs.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\et.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\kn.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\pl.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\resources\app.asar	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\chrome_100_percent.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\el.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\fi.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\ml.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\vi.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\resources\app.asar	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\d3dcompiler_47.dll	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\Dexis.exe	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\chrome_100_percent.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\cs.pak	Dexis Setup.exe
File created	C:\Program Files (x86)\Dexis\locales\lv.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\ml.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\locales\ro.pak	Dexis Setup.exe
File opened for modification	C:\Program Files (x86)\Dexis\resources\app.asar.unpacked\node_modules\better-sqlite3\build\Release\better_sqlite3.node	Dexis Setup.exe

Executes dropped EXE 2 IoCs

pid	Process
5012	Dexis.exe
2756	snss1.exe

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 4 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	snss1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dexis Setup.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4728	powershell.exe
4728	powershell.exe
4232	powershell.exe
4232	powershell.exe
4232	powershell.exe
3232	powershell.exe
3232	powershell.exe
3232	powershell.exe
208	powershell.exe
208	powershell.exe
2756	snss1.exe
2756	snss1.exe
1832	cmd.exe
1832	cmd.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2756	snss1.exe
1832	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4728	powershell.exe
Token: SeDebugPrivilege	4232	powershell.exe
Token: SeDebugPrivilege	3232	powershell.exe
Token: SeDebugPrivilege	208	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 5012	836	Dexis Setup.exe	91
PID 836 wrote to memory of 5012	836	Dexis Setup.exe	91
PID 5012 wrote to memory of 4728	5012	Dexis.exe	104
PID 5012 wrote to memory of 4728	5012	Dexis.exe	104
PID 5012 wrote to memory of 4232	5012	Dexis.exe	106
PID 5012 wrote to memory of 4232	5012	Dexis.exe	106
PID 5012 wrote to memory of 3232	5012	Dexis.exe	108
PID 5012 wrote to memory of 3232	5012	Dexis.exe	108
PID 5012 wrote to memory of 208	5012	Dexis.exe	110
PID 5012 wrote to memory of 208	5012	Dexis.exe	110
PID 5012 wrote to memory of 2756	5012	Dexis.exe	112
PID 5012 wrote to memory of 2756	5012	Dexis.exe	112
PID 5012 wrote to memory of 2756	5012	Dexis.exe	112
PID 2756 wrote to memory of 1832	2756	snss1.exe	114
PID 2756 wrote to memory of 1832	2756	snss1.exe	114
PID 2756 wrote to memory of 1832	2756	snss1.exe	114
PID 2756 wrote to memory of 1832	2756	snss1.exe	114
PID 1832 wrote to memory of 896	1832	cmd.exe	119
PID 1832 wrote to memory of 896	1832	cmd.exe	119
PID 1832 wrote to memory of 896	1832	cmd.exe	119
PID 1832 wrote to memory of 896	1832	cmd.exe	119

C:\Users\Admin\AppData\Local\Temp\Dexis Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Dexis Setup.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:836
- C:\Program Files (x86)\Dexis\Dexis.exe
  "C:\Program Files (x86)\Dexis\Dexis.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:5012
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4728
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4232
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3232
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" /command Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:208
- - C:\Users\Admin\AppData\Local\Temp\3dbbcc87-f52f-4ea0-99fe-1f22cadfa9a0\snss1.exe
    "C:\Users\Admin\AppData\Local\Temp\3dbbcc87-f52f-4ea0-99fe-1f22cadfa9a0\snss1.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:1832
    - - C:\Windows\SysWOW64\explorer.exe
        
        C:\Windows\SysWOW64\explorer.exe
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

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\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
bd5940f08d0be56e65e5f2aaf47c538e

SHA1
d7e31b87866e5e383ab5499da64aba50f03e8443

SHA256
2d2f364c75bd2897504249f42cdf1d19374f5230aad68fa9154ea3d03e3031a6

SHA512
c34d10c7e07da44a180fae9889b61f08903aa84e8ddfa80c31c272b1ef9d491b8cec6b8a4c836c3cb1583fe8f4955c6a8db872515de3a9e10eae09610c959406

Download Submit
C:\Users\Admin\AppData\Local\Temp\24f267b3

Filesize
899KB

MD5
6798ae2cccf67bbd7d2f51592994553e

SHA1
e17180911e6730575c6b935de0d3809e3c754ed5

SHA256
9b4d2e09b49b0c60b870efdc16ecc20bbaeeb8e8e39c55f2901a3adb5c7432e7

SHA512
a7a3e03f0a771c91f7e4aafe62598ad23867cd890659e3b048f9fb054c3c25eccff05cb78717f117bd153cbf5c9af0da33b3c3565c06933d339458c92abe7d1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\3dbbcc87-f52f-4ea0-99fe-1f22cadfa9a0\snss1.exe

Filesize
1001KB

MD5
4ccd18f6c7aa9498fd47d7da126209a2

SHA1
2e79a313f0b5613ce98e6ca9f490e553b0536513

SHA256
5dbe678474b396f5edc307d96d3f83fba693d33c41f361e850bb91e98529f9b2

SHA512
45b7e8acdb077f1c2861417d446624cf22b80488bfc86c92a629b37a35b9ed7793a6a99869befeb395ce913304558029a373f6adcc04758a080210b368c46206

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fjuwmoog.w2y.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/896-233-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/896-232-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/896-231-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/1832-229-0x0000000073420000-0x000000007359B000-memory.dmp

Filesize
1.5MB

Download
memory/1832-228-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/2756-225-0x0000000073420000-0x000000007359B000-memory.dmp

Filesize
1.5MB

Download
memory/2756-224-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/2756-223-0x0000000073420000-0x000000007359B000-memory.dmp

Filesize
1.5MB

Download
memory/2756-221-0x00000000007F0000-0x00000000008EB000-memory.dmp

Filesize
1004KB

Download
memory/4728-171-0x000001F0A5520000-0x000001F0A5542000-memory.dmp

Filesize
136KB

Download