100565864eed928d474d1912b9de2f124a2e94f312a454922b4ccdff36860fba

Resubmissions

25-09-2024 10:15

240925-mah9eazdjk 8

19-09-2024 16:05

240919-tjgkhaxdjh 8

Analysis

max time kernel
102s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 16:05

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General

Target

download.exe
Size

67.1MB
MD5

7d658964c1874ca902f3dc0864b00a3c
SHA1

c972667622f44e4cb93a2fc7d9f1a0dc1cbb5edf
SHA256

100565864eed928d474d1912b9de2f124a2e94f312a454922b4ccdff36860fba
SHA512

28adf2797b6acc971d67f75bc2c8ea90693c68e62732f1f5986561b0b9bfc60d0ca4495f6547057a046286328c6a25268c07aadbe5cdacf246ddbbb0c8de086f
SSDEEP

1572864:AK93N+NLkIzv7Bc6hrd3L/HGuIa31UwAQEKhSzqYA8nfndf:AU9+NC69N/muIq1ULQE4SpFf

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2768	powershell.exe
2592	powershell.exe

Loads dropped DLL 4 IoCs

pid	Process
2320	download.exe
2320	download.exe
2320	download.exe
2320	download.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 3 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	download.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2768	powershell.exe
2592	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2320	download.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeDebugPrivilege	2592	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2768	2320	download.exe	29
PID 2320 wrote to memory of 2768	2320	download.exe	29
PID 2320 wrote to memory of 2768	2320	download.exe	29
PID 2320 wrote to memory of 2768	2320	download.exe	29
PID 2320 wrote to memory of 2592	2320	download.exe	31
PID 2320 wrote to memory of 2592	2320	download.exe	31
PID 2320 wrote to memory of 2592	2320	download.exe	31
PID 2320 wrote to memory of 2592	2320	download.exe	31

C:\Users\Admin\AppData\Local\Temp\download.exe
"C:\Users\Admin\AppData\Local\Temp\download.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -c Add-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Local\Temp\nsoE15.tmp\"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -c Add-MpPreference -ExclusionPath \"C:\Program Files\Kryptex\"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2592

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

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\YJVEDQ91SBG8PFKLPRE5.temp

Filesize
7KB

MD5
4b59bb00af660d08f0fb6318d3570d91

SHA1
92f75c210895d6d1edd8e03dfff62164000c8f1c

SHA256
b6d2d32170a349ca124848aad1178f316f86b15080ed17531ba2347210d49614

SHA512
75a475ba4f4ffe236c16fbc09b90db0bca4827a69d6c88bb1b798f848704458779b9dd75ec0175e76eeac2d0cf83285a43c497b4c2c427f0d728997dedc2da0b

Download Submit
\Users\Admin\AppData\Local\Temp\nsoE15.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
\Users\Admin\AppData\Local\Temp\nsoE15.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
\Users\Admin\AppData\Local\Temp\nsoE15.tmp\nsExec.dll

Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

Download Submit
memory/2768-18-0x0000000073BC1000-0x0000000073BC2000-memory.dmp

Filesize
4KB

Download
memory/2768-19-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-20-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-21-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-22-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-23-0x0000000073BC0000-0x000000007416B000-memory.dmp

Filesize
5.7MB

Download