oski | 5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c

Analysis

max time kernel
291s
max time network
258s
platform
windows10-1703_x64
resource
win10-20240221-en
resource tags

arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
submitted
27/03/2024, 03:56

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General

Target

5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe
Size

680KB
MD5

bc7f80814ad63a035fbf8e0b67b02155
SHA1

a7d76dd02b12bb250f9f42101fda1fa235154710
SHA256

5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c
SHA512

ac336b61ad93d51e68784350d59d56d08ac947426c3570ed7f0dfbbbdfce24bd0c495c6f626d3edeb8de47a0f0a3a09701b33b78dbb7a7a1e0b1cd32f8d0991a
SSDEEP

6144:nSiQrg69p5Ozn2zdCQ2I8EXAOteqM+Z4q6NHnfmDZET62KGUXtkJwov56hL:eBIzn2zd6EX6qM+Z4qufG6/PUyJw+A

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

himarkh.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 4212 set thread context of 3008	4212	5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe	73

Program crash 1 IoCs

pid	pid_target	Process	procid_target
380	3008	WerFault.exe	73

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4212	5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 3008	4212	5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe	73
PID 4212 wrote to memory of 3008	4212	5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe	73
PID 4212 wrote to memory of 3008	4212	5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe	73
PID 4212 wrote to memory of 3008	4212	5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe	73

C:\Users\Admin\AppData\Local\Temp\5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe
"C:\Users\Admin\AppData\Local\Temp\5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4212
- C:\Users\Admin\AppData\Local\Temp\5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe
  "C:\Users\Admin\AppData\Local\Temp\5cd0759c1e566b6e74ef3f29a49a34a08ded2dc44408fccd41b5a9845573a34c.exe"
  2⤵
  PID:3008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 1188
    3⤵
    - Program crash
    PID:380

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/3008-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3008-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3008-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3008-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3008-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4212-1-0x00000000000A0000-0x00000000001A0000-memory.dmp

Filesize
1024KB

Download
memory/4212-2-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download