oski | c17243e46ff224631e589c55642c3666e5c560715841e8b8ebdd511cb70da8dd

Analysis

max time kernel
119s
max time network
130s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-04-2024 08:33

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General

Target

e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe
Size

514KB
MD5

e029f21834d5ceea1006d1658768f4dc
SHA1

a4bb6e1e09621536559355cecdb3409f9b7d3ebe
SHA256

c17243e46ff224631e589c55642c3666e5c560715841e8b8ebdd511cb70da8dd
SHA512

8be438a01be27a7e79bc2323fac9b1f586fea4aa7a3db8cf11114b16737530b051b2fa1ce8ba43e4950286b84f27ce3894dec68d2141cf6ecc42b0562a40dc0c
SSDEEP

12288:jIJFd3ilGzEUHt61r+Rnk3GWBdWaj/7+JZvH4r+:edxqKeWGR7+XvN

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

stanelectronics.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 2380 set thread context of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
664	2428	WerFault.exe	30

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2428	2380	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	30
PID 2428 wrote to memory of 664	2428	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	32
PID 2428 wrote to memory of 664	2428	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	32
PID 2428 wrote to memory of 664	2428	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	32
PID 2428 wrote to memory of 664	2428	e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e029f21834d5ceea1006d1658768f4dc_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 888
    3⤵
    - Program crash
    PID:664

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/2380-0-0x0000000000870000-0x00000000008F6000-memory.dmp

Filesize
536KB

Download
memory/2380-1-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-2-0x00000000007B0000-0x00000000007F0000-memory.dmp

Filesize
256KB

Download
memory/2380-3-0x0000000000560000-0x000000000056E000-memory.dmp

Filesize
56KB

Download
memory/2380-4-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-5-0x00000000007B0000-0x00000000007F0000-memory.dmp

Filesize
256KB

Download
memory/2380-6-0x0000000004A60000-0x0000000004ABC000-memory.dmp

Filesize
368KB

Download
memory/2380-22-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2428-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2428-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download