oski | 1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382

Analysis

max time kernel
165s
max time network
235s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-01-2023 20:22

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General

Target

1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
Size

600KB
MD5

fa7aabffc97ed7e5e9560eb8ef6509b4
SHA1

04cb3aaa5c5bc699eb64de6c85600594c879b346
SHA256

1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382
SHA512

53e3698cf8fa45e3345cfd4dade06ffd452811dbde41ebb1699f20e15165e7dac6b67e6ab44ee9795e54560afafc102b96fe4b038d68d48cf591d907349dce64
SSDEEP

12288:LAUsg/zfNZ5KTkExOJm4cojdK2x87yyGOQHcK+gMHdJeXaPh:LAUsgbfdMxOM4ldKQoyWeciMDx

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

odminponel.com

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 888 set thread context of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1620	1092	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 888 wrote to memory of 1092	888	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	28
PID 1092 wrote to memory of 1620	1092	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	33
PID 1092 wrote to memory of 1620	1092	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	33
PID 1092 wrote to memory of 1620	1092	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	33
PID 1092 wrote to memory of 1620	1092	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	33

C:\Users\Admin\AppData\Local\Temp\1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
"C:\Users\Admin\AppData\Local\Temp\1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:888
- C:\Users\Admin\AppData\Local\Temp\1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 700
    3⤵
    - Program crash
    PID:1620

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

memory/888-54-0x0000000000820000-0x00000000008BC000-memory.dmp

Filesize
624KB

Download
memory/888-55-0x0000000001ED0000-0x0000000001F18000-memory.dmp

Filesize
288KB

Download
memory/888-56-0x0000000000420000-0x0000000000428000-memory.dmp

Filesize
32KB

Download
memory/888-57-0x0000000004C10000-0x0000000004C50000-memory.dmp

Filesize
256KB

Download
memory/1092-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1092-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1092-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1092-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1092-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1092-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1092-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1092-71-0x00000000753F1000-0x00000000753F3000-memory.dmp

Filesize
8KB

Download
memory/1092-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download