oski | d83a8f3a3475132ef153741a21858652a2f03a4e62d56f6864c8800fb0a0da45

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-04-2024 08:31

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General

Target

e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
Size

268KB
MD5

e480e28c74a635845673fd030eb47734
SHA1

913f51d9deee32c6953a3ce9fbe04dd85f4c78f1
SHA256

d83a8f3a3475132ef153741a21858652a2f03a4e62d56f6864c8800fb0a0da45
SHA512

620d5be5d4874d5f89b2d301e9900fb25c11cf1630c5fd901e8d34e71ea3c467931e3b284bb16309e26a81a79ba1abd945c20ea908917e378fdac356c54e1571
SSDEEP

6144:mU2ggwQt/uqv8uLjPMRnuCKc8E46U+mxHYQsl4DrNr1Hzkmct/036YFTKT:mU1HKc8EnIN5ssrNrumcS36Y6

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

nedu1994.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

Processes:

e480e28c74a635845673fd030eb47734_JaffaCakes118.exe

description pid process target process

PID 2044 set thread context of 1208 2044 e480e28c74a635845673fd030eb47734_JaffaCakes118.exe e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2032 1208 WerFault.exe e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

e480e28c74a635845673fd030eb47734_JaffaCakes118.exe

pid process

2044 e480e28c74a635845673fd030eb47734_JaffaCakes118.exe

description	pid	process	target process
PID 2044 set thread context of 1208	2044	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe

pid	pid_target	process	target process
2032	1208	WerFault.exe	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe

pid	process
2044	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e480e28c74a635845673fd030eb47734_JaffaCakes118.exee480e28c74a635845673fd030eb47734_JaffaCakes118.exe

description	pid	process	target process
PID 2044 wrote to memory of 1208	2044	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
PID 2044 wrote to memory of 1208	2044	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
PID 2044 wrote to memory of 1208	2044	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
PID 2044 wrote to memory of 1208	2044	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
PID 2044 wrote to memory of 1208	2044	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
PID 1208 wrote to memory of 2032	1208	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	WerFault.exe
PID 1208 wrote to memory of 2032	1208	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	WerFault.exe
PID 1208 wrote to memory of 2032	1208	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	WerFault.exe
PID 1208 wrote to memory of 2032	1208	e480e28c74a635845673fd030eb47734_JaffaCakes118.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e480e28c74a635845673fd030eb47734_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\AppData\Local\Temp\e480e28c74a635845673fd030eb47734_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e480e28c74a635845673fd030eb47734_JaffaCakes118.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 768
3⤵
- Program crash
PID:2032

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1208-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1208-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1208-3-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1208-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1208-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2044-2-0x00000000001E0000-0x00000000001E2000-memory.dmp

Filesize
8KB

Download
memory/2044-1-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download