oski | 48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

General

Target

48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
Size

270KB
MD5

4d13a2d6331e03add23dc16a04ba0cfb
SHA1

08c9ef9da024b96c05eecb9532dc9ff9dceb0319
SHA256

48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586
SHA512

9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1
SSDEEP

6144:PMkNQIVGURZU/kb+K8FAZdKPznvNYTAOjjhLnWQvdFCE2Pg8+6xvzu:kTQRZUG+KAqdKrvOTnZtVj2Pg8lvzu

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

C2

timecforgoodnes.ml

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Executes dropped EXE 1 IoCs

Processes:

48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

pid process

4468 48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

pid	process
4468	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Drops startup file 1 IoCs

Processes:

48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.js	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

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

Processes:

48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

description	pid	process	target process
PID 4860 set thread context of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4272 4468 WerFault.exe 48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

pid	pid_target	process	target process
4272	4468	WerFault.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

pid	process
4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

description pid process

Token: SeDebugPrivilege 4860 48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

description	pid	process
Token: SeDebugPrivilege	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

description	pid	process	target process
PID 4860 wrote to memory of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
PID 4860 wrote to memory of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
PID 4860 wrote to memory of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
PID 4860 wrote to memory of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
PID 4860 wrote to memory of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
PID 4860 wrote to memory of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
PID 4860 wrote to memory of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
PID 4860 wrote to memory of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
PID 4860 wrote to memory of 4468	4860	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

C:\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
"C:\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4860

C:\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
"C:\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe"
2⤵
- Executes dropped EXE
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 1332
3⤵
- Program crash
PID:4272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4468 -ip 4468
1⤵
PID:4576

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
memory/4468-134-0x0000000000000000-mapping.dmp

Download
memory/4468-135-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4468-137-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4468-138-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4468-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4468-141-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4860-132-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download
memory/4860-133-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download
memory/4860-139-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads