oski | c254079e9a75cb708e28deb9c72c77689c53425f8256338343c06285bed8ebbe

General

Target

0eab3ccc18c952cc89f73ba1a480070f.exe
Size

1.3MB
MD5

0eab3ccc18c952cc89f73ba1a480070f
SHA1

475b8039046cc7283ee3495aa8abc879679a860b
SHA256

c254079e9a75cb708e28deb9c72c77689c53425f8256338343c06285bed8ebbe
SHA512

0e7560b4b0de29541944de249cf6dce10d6f51d858e45362e9bb86cc8abe00fcf9fce8a76c660f938313f467ea38defc97f881ec4a9ce56924c78e3af9f71ec5
SSDEEP

24576:v2X1TrFY8blhBPHKFOoOxlVkqF2gZROak1FsGrQxQn9Y:OXpyQ1vxzxlPI6RE/Drh9

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

C2

vtgtradings.com

Signatures

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

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	0eab3ccc18c952cc89f73ba1a480070f.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4920 set thread context of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3096	2384	WerFault.exe	100

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
2888	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 2888	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	98
PID 4920 wrote to memory of 2888	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	98
PID 4920 wrote to memory of 2888	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	98
PID 4920 wrote to memory of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100
PID 4920 wrote to memory of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100
PID 4920 wrote to memory of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100
PID 4920 wrote to memory of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100
PID 4920 wrote to memory of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100
PID 4920 wrote to memory of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100
PID 4920 wrote to memory of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100
PID 4920 wrote to memory of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100
PID 4920 wrote to memory of 2384	4920	0eab3ccc18c952cc89f73ba1a480070f.exe	100

C:\Users\Admin\AppData\Local\Temp\0eab3ccc18c952cc89f73ba1a480070f.exe
"C:\Users\Admin\AppData\Local\Temp\0eab3ccc18c952cc89f73ba1a480070f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OhlPJGhIQFna" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF06B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2888
- C:\Users\Admin\AppData\Local\Temp\0eab3ccc18c952cc89f73ba1a480070f.exe
  "C:\Users\Admin\AppData\Local\Temp\0eab3ccc18c952cc89f73ba1a480070f.exe"
  2⤵
  PID:2384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 1296
    3⤵
    - Program crash
    PID:3096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2384 -ip 2384
1⤵
PID:4664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF06B.tmp

Filesize
1KB

MD5
93a217bc2084606fd2517acdbc5c5116

SHA1
899e702f452ad4443c8f1984d411d1fcc69a2c58

SHA256
ba1925955dca7057bc6748cef22083c6b979647c645a0e3d25b2d1881517284b

SHA512
ec4160d69ba4b058d5644f023a5b718799d5ec41b7ccc404bb6dd5b87ed519df36fcaf7f470d066c5da207a5b411539c43e10cfdd1a84534be1a4ee820fbab37

Download Submit
memory/2384-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2384-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2384-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2384-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2384-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4920-5-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download
memory/4920-7-0x0000000005B30000-0x0000000005B86000-memory.dmp

Filesize
344KB

Download
memory/4920-8-0x0000000005DE0000-0x0000000005DF8000-memory.dmp

Filesize
96KB

Download
memory/4920-9-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/4920-10-0x00000000057C0000-0x00000000057D0000-memory.dmp

Filesize
64KB

Download
memory/4920-11-0x0000000008760000-0x0000000008800000-memory.dmp

Filesize
640KB

Download
memory/4920-12-0x000000000AEC0000-0x000000000AEF8000-memory.dmp

Filesize
224KB

Download
memory/4920-6-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/4920-23-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/4920-1-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/4920-4-0x0000000005940000-0x00000000059D2000-memory.dmp

Filesize
584KB

Download
memory/4920-3-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/4920-2-0x00000000057F0000-0x000000000588C000-memory.dmp

Filesize
624KB

Download
memory/4920-0-0x0000000000E10000-0x0000000000F64000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads