oski | ca7ea5639f68059383b50c24c2428e60de949a65a6d5bec9266c4fa8526e1621

Analysis

max time kernel
109s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2023, 09:05

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General

Target
2034F7E2DEE001E94FE81EA7F10456FD.exe
Size 200KB
Sample230417-k194psdf32
SHA256 ca7ea5639f68059383b50c24c2428e60de949a65a6d5bec9266c4fa8526e1621
MD5 2034f7e2dee001e94fe81ea7f10456fd
SHA1 75075fcc9073e71dc7f4c3f478a6b78b12326833
SHA512 3458b41efcea959471ffd4b544e2a5b0b9e3bbb6027a1c12c5cb9766ebc876c5e53082c33c2be09b88a74f808a5796fb0478f606e461667885eb664d5c6ba3e4
SSDEEP 3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fId1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pNs1Ljo3c
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

oski infostealer spyware stealer

Malware Config

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
T1081

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1828	4224	WerFault.exe	85

C:\Users\Admin\AppData\Local\Temp\2034F7E2DEE001E94FE81EA7F10456FD.exe
"C:\Users\Admin\AppData\Local\Temp\2034F7E2DEE001E94FE81EA7F10456FD.exe"
1⤵
PID:4224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1760
  2⤵
  - Program crash
  PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4224 -ip 4224
1⤵
PID:376

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

msvcp140.dll

Path C:\ProgramData\msvcp140.dll
Size 708B
SHA256 37a4e56c497e170de6e152bc479624eb8d7ccb35bad5a190f2fdb17ac699cffa
MD5 2382378378c002d88b9a507c712c3349
SHA1 2e894db3808b554abadc8b144338ad9e2ea937ba
SHA512 2120f9ae9e5d63ee9aa5aa25e24081662059bdeb01afd8b21ddb8bdfff22832ea0c1dec51dbcbf714e1e82537d624f0ddf0b862ff218b9d2a38941fbe63c3258
MD5 SHA1 SHA512

Submit Download

2[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RP56V4OA\2[1].htm
Size 707B
SHA256 3bbe72f3baa8ec61de17a1d767fca58704769684b7abe9161d0c4eaf4c8f0982
MD5 1304294c0823ca486542ba408ed761e3
SHA1 b2a70fb2d810ca13985882e6981f33998823e83e
SHA512 67430e967118d2b2d8a448c583bde082bf512da88eae75b0501ec5a6c2b0bf46936306317bd3ddd956c5c6e01fe0c7dbed43927588efba06c5f84d8a557f7b8b
MD5 SHA1 SHA512