oski | e38286df473bf02a6fad93aa93a5fbd283faca53a5b52157955cce229a1dc1a0

Analysis

max time kernel
158s
max time network
89s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 02:22

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General

Target

New Order_78947533.exe
Size

881KB
MD5

7f05dc92a62ddd277baaeb55ebcfa407
SHA1

23c8c1a1a8d16180980f4b38a47832738f947141
SHA256

06c8a1e6544aede327bad32a5732d5bcfff143da73da01d34938efbe917e3289
SHA512

3cf46fbbf2e197b15fff65b3250f05add05537e534371ee50c8f0fe6524d4d32717d25ec79c60b8ebd1ed34b99d36522202834ac927fe3e1be5abb7c298768ef
SSDEEP

12288:oplvxon3qGaNHEyC9/oR9gy5ZHK7z1S6TNCTm9H1tVwH9gd0pod3zBts7Vl+YJtm:dPp9AR95SbTIg1Bd4od0+YzR0xz6KV

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

kckark.xyz

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 548 set thread context of 3244	548	New Order_78947533.exe	105

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2640	3244	WerFault.exe	105

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 3244	548	New Order_78947533.exe	105
PID 548 wrote to memory of 3244	548	New Order_78947533.exe	105
PID 548 wrote to memory of 3244	548	New Order_78947533.exe	105
PID 548 wrote to memory of 3244	548	New Order_78947533.exe	105
PID 548 wrote to memory of 3244	548	New Order_78947533.exe	105
PID 548 wrote to memory of 3244	548	New Order_78947533.exe	105
PID 548 wrote to memory of 3244	548	New Order_78947533.exe	105
PID 548 wrote to memory of 3244	548	New Order_78947533.exe	105
PID 548 wrote to memory of 3244	548	New Order_78947533.exe	105

C:\Users\Admin\AppData\Local\Temp\New Order_78947533.exe
"C:\Users\Admin\AppData\Local\Temp\New Order_78947533.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\New Order_78947533.exe
  "C:\Users\Admin\AppData\Local\Temp\New Order_78947533.exe"
  2⤵
  PID:3244
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3244 -s 1300
    3⤵
    - Program crash
    PID:2640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3244 -ip 3244
1⤵
PID:3320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/548-8-0x00000000060A0000-0x00000000060B6000-memory.dmp

Filesize
88KB

Download
memory/548-7-0x0000000005D80000-0x0000000005DD6000-memory.dmp

Filesize
344KB

Download
memory/548-0-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/548-3-0x0000000006100000-0x00000000066A4000-memory.dmp

Filesize
5.6MB

Download
memory/548-4-0x0000000005BF0000-0x0000000005C82000-memory.dmp

Filesize
584KB

Download
memory/548-5-0x0000000005B10000-0x0000000005B20000-memory.dmp

Filesize
64KB

Download
memory/548-6-0x0000000005AF0000-0x0000000005AFA000-memory.dmp

Filesize
40KB

Download
memory/548-17-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/548-2-0x0000000005A10000-0x0000000005AAC000-memory.dmp

Filesize
624KB

Download
memory/548-1-0x0000000000FC0000-0x00000000010A2000-memory.dmp

Filesize
904KB

Download
memory/548-11-0x0000000008990000-0x0000000008A2E000-memory.dmp

Filesize
632KB

Download
memory/548-10-0x0000000005B10000-0x0000000005B20000-memory.dmp

Filesize
64KB

Download
memory/548-12-0x000000000B140000-0x000000000B178000-memory.dmp

Filesize
224KB

Download
memory/548-9-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/3244-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3244-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3244-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3244-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3244-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download