oski | c0a28f12669aa6c5b1846e0e00a85806281911ff3c41817d6b912ac2ca9d7cf5

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-02-2024 16:45

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General

Target

a6d680a1f920defdc3723fbf65b27924.exe
Size

914KB
MD5

a6d680a1f920defdc3723fbf65b27924
SHA1

b9aab4c0e7164c1a05aa61a2f69cfa32be802607
SHA256

c0a28f12669aa6c5b1846e0e00a85806281911ff3c41817d6b912ac2ca9d7cf5
SHA512

fe3f2d47a001bd35704ecaeb44ae02a60542df009e5bc848e3e0a294a06e7a9bf0e8f16b7a41169fe5060f09e09247a1902e8ff73c95499c41bc6d9308e144be
SSDEEP

12288:Hm40TIcHHXUMcg+H1twu8msICrwtBiq8uWutD6sOAeCP2Dc9F3nC0Py3gAhw:4hHHX9f4YwNi8W2yAeCPP

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

kckark.xyz

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
584	2352	WerFault.exe	31

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2100	a6d680a1f920defdc3723fbf65b27924.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	a6d680a1f920defdc3723fbf65b27924.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2828	2100	a6d680a1f920defdc3723fbf65b27924.exe	30
PID 2100 wrote to memory of 2828	2100	a6d680a1f920defdc3723fbf65b27924.exe	30
PID 2100 wrote to memory of 2828	2100	a6d680a1f920defdc3723fbf65b27924.exe	30
PID 2100 wrote to memory of 2828	2100	a6d680a1f920defdc3723fbf65b27924.exe	30
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2100 wrote to memory of 2352	2100	a6d680a1f920defdc3723fbf65b27924.exe	31
PID 2352 wrote to memory of 584	2352	a6d680a1f920defdc3723fbf65b27924.exe	32
PID 2352 wrote to memory of 584	2352	a6d680a1f920defdc3723fbf65b27924.exe	32
PID 2352 wrote to memory of 584	2352	a6d680a1f920defdc3723fbf65b27924.exe	32
PID 2352 wrote to memory of 584	2352	a6d680a1f920defdc3723fbf65b27924.exe	32

C:\Users\Admin\AppData\Local\Temp\a6d680a1f920defdc3723fbf65b27924.exe
"C:\Users\Admin\AppData\Local\Temp\a6d680a1f920defdc3723fbf65b27924.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\a6d680a1f920defdc3723fbf65b27924.exe
  "C:\Users\Admin\AppData\Local\Temp\a6d680a1f920defdc3723fbf65b27924.exe"
  2⤵
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\a6d680a1f920defdc3723fbf65b27924.exe
  "C:\Users\Admin\AppData\Local\Temp\a6d680a1f920defdc3723fbf65b27924.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 112
    3⤵
    - Program crash
    PID:584

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2100-20-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2100-1-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2100-2-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

Filesize
256KB

Download
memory/2100-3-0x0000000000580000-0x0000000000598000-memory.dmp

Filesize
96KB

Download
memory/2100-4-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2100-5-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

Filesize
256KB

Download
memory/2100-6-0x0000000007D50000-0x0000000007DF0000-memory.dmp

Filesize
640KB

Download
memory/2100-7-0x0000000000D50000-0x0000000000D88000-memory.dmp

Filesize
224KB

Download
memory/2100-0-0x0000000000E00000-0x0000000000EEA000-memory.dmp

Filesize
936KB

Download
memory/2352-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2352-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2352-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download