oski | a2013616892886b9fcd2067d2e77436c5233653772f6a6f235a325b1122c34a9

Analysis

max time kernel
139s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 08:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b43ae45b39a0647231b51c2d438a554e.exe
Size

696KB
MD5

b43ae45b39a0647231b51c2d438a554e
SHA1

7f7f55ef05410e17329dd3fb3c26e325f227592a
SHA256

a2013616892886b9fcd2067d2e77436c5233653772f6a6f235a325b1122c34a9
SHA512

d2edfdada863310d3feb6aac7eb72c3cda11dca1da36739f8a5a1e2dde4f131f70da6d7ef5d6d7e6c5c19fdab62d576a95514e3c8dca3ffce11dbe96a2720aa6
SSDEEP

12288:g9bDKZtBLE5x4T7RejE+BAdB1JLsSe/RXz/ZwgQiXG/IPQQ0pvRCph5kz1200CZ:EgLE5uTdejkRe/11wm21

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

zdd.divendesign.in

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 5084 set thread context of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4240	4256	WerFault.exe	102

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102
PID 5084 wrote to memory of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102
PID 5084 wrote to memory of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102
PID 5084 wrote to memory of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102
PID 5084 wrote to memory of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102
PID 5084 wrote to memory of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102
PID 5084 wrote to memory of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102
PID 5084 wrote to memory of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102
PID 5084 wrote to memory of 4256	5084	b43ae45b39a0647231b51c2d438a554e.exe	102

C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
"C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
  "{path}"
  2⤵
  PID:4256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 1308
    3⤵
    - Program crash
    PID:4240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4256 -ip 4256
1⤵
PID:2740

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

Loading Replay Monitor...

Downloads

memory/4256-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4256-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4256-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4256-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4256-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5084-4-0x0000000005D00000-0x0000000005D10000-memory.dmp

Filesize
64KB

Download
memory/5084-6-0x0000000005EA0000-0x0000000005EA8000-memory.dmp

Filesize
32KB

Download
memory/5084-7-0x0000000006ED0000-0x0000000006F6C000-memory.dmp

Filesize
624KB

Download
memory/5084-8-0x0000000074B60000-0x0000000075310000-memory.dmp

Filesize
7.7MB

Download
memory/5084-9-0x0000000005D00000-0x0000000005D10000-memory.dmp

Filesize
64KB

Download
memory/5084-10-0x0000000009B90000-0x0000000009C16000-memory.dmp

Filesize
536KB

Download
memory/5084-11-0x0000000009B40000-0x0000000009B7A000-memory.dmp

Filesize
232KB

Download
memory/5084-5-0x0000000005A20000-0x0000000005A2A000-memory.dmp

Filesize
40KB

Download
memory/5084-0-0x0000000000F70000-0x0000000001024000-memory.dmp

Filesize
720KB

Download
memory/5084-3-0x0000000005A70000-0x0000000005B02000-memory.dmp

Filesize
584KB

Download
memory/5084-2-0x0000000005F80000-0x0000000006524000-memory.dmp

Filesize
5.6MB

Download
memory/5084-17-0x0000000074B60000-0x0000000075310000-memory.dmp

Filesize
7.7MB

Download
memory/5084-1-0x0000000074B60000-0x0000000075310000-memory.dmp

Filesize
7.7MB

Download