oski | 2ca6487650676dfac02da8af32d2eea7c0a2162ff5c9881c54f698beac6921c4

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
15-02-2024 23:36

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General

Target

9ede6811a55c8082d02b552392595f06.exe
Size

766KB
MD5

9ede6811a55c8082d02b552392595f06
SHA1

f6490ccb746fabb8eaa25dd09e415af9d59410d0
SHA256

2ca6487650676dfac02da8af32d2eea7c0a2162ff5c9881c54f698beac6921c4
SHA512

c88ba0feff13a664433ee7da7538d8fcbb94850f1190b9b73c9748f50a4633e666acb0f0965e50b2cc58e923dd5e1ca760a839acd1ac76f7dc8aa617e452679f
SSDEEP

12288:Ic00ApujcYUetQ0SeVtZClvK42sFwRQxyFMJI:IVujcbJ7ktZC+QEF

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

http://bctpump.us

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 2916 set thread context of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2500	2636	WerFault.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2916	9ede6811a55c8082d02b552392595f06.exe
2916	9ede6811a55c8082d02b552392595f06.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	9ede6811a55c8082d02b552392595f06.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2916 wrote to memory of 2636	2916	9ede6811a55c8082d02b552392595f06.exe	30
PID 2636 wrote to memory of 2500	2636	RegSvcs.exe	33
PID 2636 wrote to memory of 2500	2636	RegSvcs.exe	33
PID 2636 wrote to memory of 2500	2636	RegSvcs.exe	33
PID 2636 wrote to memory of 2500	2636	RegSvcs.exe	33

C:\Users\Admin\AppData\Local\Temp\9ede6811a55c8082d02b552392595f06.exe
"C:\Users\Admin\AppData\Local\Temp\9ede6811a55c8082d02b552392595f06.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 732
    3⤵
    - Program crash
    PID:2500

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\msvcp140.dll

Filesize
175B

MD5
a7eca2913e9112121e5585480b1f7c82

SHA1
8202e28c75f97352c0545b1a05d2a902a1c5664b

SHA256
60bd258837c33a9abb899bc6d6393da70afe5bf2dfd9b560f47092a9c43ba43a

SHA512
f6ceabaa4f567fa98f6758e7605fdf473f4ae0f26b0be1c5d0ef8e456421c4a8b487ed7b6042469d81daf7142eee8cd382a8a169972ea7accf9eb079e62f9f46

Download Submit
memory/2636-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2636-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2636-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2636-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2636-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2636-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2636-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2636-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2916-6-0x0000000005310000-0x0000000005378000-memory.dmp

Filesize
416KB

Download
memory/2916-4-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2916-0-0x0000000000D50000-0x0000000000E14000-memory.dmp

Filesize
784KB

Download
memory/2916-3-0x00000000002C0000-0x00000000002DC000-memory.dmp

Filesize
112KB

Download
memory/2916-7-0x0000000000520000-0x0000000000558000-memory.dmp

Filesize
224KB

Download
memory/2916-19-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2916-2-0x0000000004EE0000-0x0000000004F20000-memory.dmp

Filesize
256KB

Download
memory/2916-1-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2916-5-0x0000000004EE0000-0x0000000004F20000-memory.dmp

Filesize
256KB

Download