oski | 48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

Analysis

max time kernel
52s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29-01-2023 19:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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

timecforgoodnes.ml

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Drops startup file 1 IoCs

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

Loads dropped DLL 9 IoCs

pid	Process
1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.exe
1048	WerFault.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

description	pid	Process	procid_target
PID 1264 set thread context of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1048	1352	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1264 wrote to memory of 1352	1264	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	28
PID 1352 wrote to memory of 1048	1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	31
PID 1352 wrote to memory of 1048	1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	31
PID 1352 wrote to memory of 1048	1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	31
PID 1352 wrote to memory of 1048	1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	31
PID 1352 wrote to memory of 1048	1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	31
PID 1352 wrote to memory of 1048	1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	31
PID 1352 wrote to memory of 1048	1352	48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe	31

C:\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
"C:\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe
  "C:\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 912
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1048

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

Loading Replay Monitor...

Downloads

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

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
\Users\Admin\AppData\Local\Temp\48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586.exe

Filesize
270KB

MD5
4d13a2d6331e03add23dc16a04ba0cfb

SHA1
08c9ef9da024b96c05eecb9532dc9ff9dceb0319

SHA256
48080b4beab297a81ad9a5b8f5dc59e23cc97cf09befd23d6d5624e06e6ef586

SHA512
9a57c5ec7cbdb600fd6254871111e4f5f0a512576b792e20127f1f92b2f61e4bc56a6a5fa1717d36ca8443ce7bfee865e8f39230bcebb566e85c0fd36fc96fe1

Download Submit
memory/1264-71-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/1264-54-0x0000000076711000-0x0000000076713000-memory.dmp

Filesize
8KB

Download
memory/1264-55-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/1264-56-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/1352-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1352-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1352-78-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1352-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1352-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1352-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1352-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1352-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1352-85-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download