oski | 1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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 3560 set thread context of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1980	5012	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3560 wrote to memory of 4996	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	83
PID 3560 wrote to memory of 4996	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	83
PID 3560 wrote to memory of 4996	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	83
PID 3560 wrote to memory of 4916	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	84
PID 3560 wrote to memory of 4916	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	84
PID 3560 wrote to memory of 4916	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	84
PID 3560 wrote to memory of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85
PID 3560 wrote to memory of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85
PID 3560 wrote to memory of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85
PID 3560 wrote to memory of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85
PID 3560 wrote to memory of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85
PID 3560 wrote to memory of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85
PID 3560 wrote to memory of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85
PID 3560 wrote to memory of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85
PID 3560 wrote to memory of 5012	3560	1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe	85

C:\Users\Admin\AppData\Local\Temp\1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
"C:\Users\Admin\AppData\Local\Temp\1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3560
- C:\Users\Admin\AppData\Local\Temp\1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
  "{path}"
  2⤵
  PID:4996
- C:\Users\Admin\AppData\Local\Temp\1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
  "{path}"
  2⤵
  PID:4916
- C:\Users\Admin\AppData\Local\Temp\1d4bcec84c9d6b5a79b6b3934c59fd9ab91978257352e32f52836eaa86900382.exe
  "{path}"
  2⤵
  PID:5012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 1340
    3⤵
    - Program crash
    PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5012 -ip 5012
1⤵
PID:1640

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/3560-132-0x00000000008E0000-0x000000000097C000-memory.dmp

Filesize
624KB

Download
memory/3560-133-0x0000000005A00000-0x0000000005FA4000-memory.dmp

Filesize
5.6MB

Download
memory/3560-134-0x0000000005450000-0x00000000054E2000-memory.dmp

Filesize
584KB

Download
memory/3560-135-0x00000000061B0000-0x000000000624C000-memory.dmp

Filesize
624KB

Download
memory/5012-139-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5012-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5012-141-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5012-142-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5012-143-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download