oski | 06c8a1e6544aede327bad32a5732d5bcfff143da73da01d34938efbe917e3289

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-01-2024 05:37

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General

Target

7f05dc92a62ddd277baaeb55ebcfa407.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 3068 set thread context of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2196	868	WerFault.exe	30

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 3068 wrote to memory of 868	3068	7f05dc92a62ddd277baaeb55ebcfa407.exe	30
PID 868 wrote to memory of 2196	868	7f05dc92a62ddd277baaeb55ebcfa407.exe	34
PID 868 wrote to memory of 2196	868	7f05dc92a62ddd277baaeb55ebcfa407.exe	34
PID 868 wrote to memory of 2196	868	7f05dc92a62ddd277baaeb55ebcfa407.exe	34
PID 868 wrote to memory of 2196	868	7f05dc92a62ddd277baaeb55ebcfa407.exe	34

C:\Users\Admin\AppData\Local\Temp\7f05dc92a62ddd277baaeb55ebcfa407.exe
"C:\Users\Admin\AppData\Local\Temp\7f05dc92a62ddd277baaeb55ebcfa407.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\7f05dc92a62ddd277baaeb55ebcfa407.exe
  "C:\Users\Admin\AppData\Local\Temp\7f05dc92a62ddd277baaeb55ebcfa407.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 772
    3⤵
    - Program crash
    PID:2196

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/868-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/868-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/868-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/868-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/868-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/868-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/868-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/868-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/868-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/868-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3068-2-0x0000000004900000-0x0000000004940000-memory.dmp

Filesize
256KB

Download
memory/3068-7-0x0000000000810000-0x0000000000848000-memory.dmp

Filesize
224KB

Download
memory/3068-0-0x0000000000200000-0x00000000002E2000-memory.dmp

Filesize
904KB

Download
memory/3068-1-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/3068-6-0x0000000005E80000-0x0000000005F1E000-memory.dmp

Filesize
632KB

Download
memory/3068-18-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/3068-5-0x0000000004900000-0x0000000004940000-memory.dmp

Filesize
256KB

Download
memory/3068-4-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/3068-3-0x0000000000630000-0x0000000000646000-memory.dmp

Filesize
88KB

Download