ad350f171f6f6ab01bb5cadf5586e0ccc05444f27896efc21d39afaf10516aeb

Analysis

max time kernel
158s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 19:02

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General

Target

setup_win64_86.exe
Size

702.4MB
MD5

deaaff59e0eb4e8865f5da9556f857ca
SHA1

0bf64293ac739d68986cd606295f6ff13fb0e55f
SHA256

f40c4729c00b960427670c209d7a22da48f26a135f64718a399dd4b34048b93b
SHA512

9b379c6bf1ee3e9f742edc5c394910a452adbbfe9f889a51129aee67f6e5de2061d09bec377561ec7961ea73913767348d3790e906e6f5b0a24b8c63441ec8ed
SSDEEP

196608:4S5rfUza9s4bZ8zm4v+/OFCCbdC1Zutbxf:4S579s4bazpmmFzC1otb

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	setup_win64_86.exe

Executes dropped EXE 1 IoCs

pid	Process
3196	Tavokede.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	setup_win64_86.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	setup_win64_86.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4736	setup_win64_86.exe
4736	setup_win64_86.exe
4736	setup_win64_86.exe
4736	setup_win64_86.exe
4736	setup_win64_86.exe
4736	setup_win64_86.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 4560	4736	setup_win64_86.exe	94
PID 4736 wrote to memory of 4560	4736	setup_win64_86.exe	94
PID 4736 wrote to memory of 4560	4736	setup_win64_86.exe	94
PID 4560 wrote to memory of 4756	4560	cmd.exe	96
PID 4560 wrote to memory of 4756	4560	cmd.exe	96
PID 4560 wrote to memory of 4756	4560	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\setup_win64_86.exe
"C:\Users\Admin\AppData\Local\Temp\setup_win64_86.exe"
1⤵
- Checks computer location settings
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c schtasks /create /tn \Service\Data /tr """"C:\Users\Admin\AppData\Roaming\ServiceData\Tavokede.exe""" """C:\Users\Admin\AppData\Roaming\ServiceData\Tavokede.jpg"""" /st 00:01 /du 9800:59 /sc once /ri 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4560
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn \Service\Data /tr """"C:\Users\Admin\AppData\Roaming\ServiceData\Tavokede.exe""" """C:\Users\Admin\AppData\Roaming\ServiceData\Tavokede.jpg"""" /st 00:01 /du 9800:59 /sc once /ri 1 /f
    3⤵
    - Creates scheduled task(s)
    PID:4756

C:\Users\Admin\AppData\Roaming\ServiceData\Tavokede.exe
C:\Users\Admin\AppData\Roaming\ServiceData\Tavokede.exe "C:\Users\Admin\AppData\Roaming\ServiceData\Tavokede.jpg"
1⤵
- Executes dropped EXE
PID:3196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\ServiceData\Tavokede.exe

Filesize
925KB

MD5
0adb9b817f1df7807576c2d7068dd931

SHA1
4a1b94a9a5113106f40cd8ea724703734d15f118

SHA256
98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b

SHA512
883aa88f2dba4214bb534fbdaf69712127357a3d0f5666667525db3c1fa351598f067068dfc9e7c7a45fed4248d7dca729ba4f75764341e47048429f9ca8846a

Download Submit
C:\Users\Admin\AppData\Roaming\ServiceData\Tavokede.jpg

Filesize
553KB

MD5
c32bbef2171d089b60950b6851976a63

SHA1
995f5c5f4ee85c81e714e97dbff743c2e0b1b0dd

SHA256
9f47b37685ce5101ed93dd1cd66aa5b7e8f936eb945d14edb49129a0004007a1

SHA512
d9ae8a8107d078499152f1bde9d7d734f4cf03a9a495f0d32d434fc7831e28b34990315b15be697b09301b5a70e734f07918314a22e1fabf414f75c77fd131ca

Download Submit
memory/4736-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/4736-1-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download