oski | 2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996

General

Target

2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe
Size

608KB
MD5

a513dcf625df4909a341fa22995ce99c
SHA1

6746281bfd98f359bb2ed40da4a7e5f78f25c0a2
SHA256

2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996
SHA512

81c5b8fc6e3a93702f42d482348fe61e448b876f29869003f9d47606b8a08bdf572c9e1e8aaf4759430a940357cc1119bb86e2a81d407b145209fd5eaa0e416e
SSDEEP

12288:C8HN29FWOs+sxEVvib9ybSYQSXdNzUSGq0Ygsv:PHN7xl5yWydxUSGq0Ygs

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

C2

cubicatransport.net

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
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1800	2728	WerFault.exe	33

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe
2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe
2624	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe
Token: SeDebugPrivilege	2624	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2624	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	30
PID 2084 wrote to memory of 2624	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	30
PID 2084 wrote to memory of 2624	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	30
PID 2084 wrote to memory of 2624	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	30
PID 2084 wrote to memory of 2680	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	32
PID 2084 wrote to memory of 2680	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	32
PID 2084 wrote to memory of 2680	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	32
PID 2084 wrote to memory of 2680	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	32
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2084 wrote to memory of 2728	2084	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	33
PID 2728 wrote to memory of 1800	2728	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	35
PID 2728 wrote to memory of 1800	2728	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	35
PID 2728 wrote to memory of 1800	2728	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	35
PID 2728 wrote to memory of 1800	2728	2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe	35

C:\Users\Admin\AppData\Local\Temp\2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe
"C:\Users\Admin\AppData\Local\Temp\2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Users\Admin\AppData\Local\Temp\2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe
  "C:\Users\Admin\AppData\Local\Temp\2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe"
  2⤵
  PID:2680
- C:\Users\Admin\AppData\Local\Temp\2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe
  "C:\Users\Admin\AppData\Local\Temp\2d07cce707ba7637c75311e428b10c88534cc71023f2b1265c0de3af452ba996.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 784
    3⤵
    - Program crash
    PID:1800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\msvcp140.dll

Filesize
281B

MD5
bbdf4c3f124554d87abc177e9b6ae5fc

SHA1
2ebb03cb3e01af0120521e22bfa569334a676107

SHA256
142927159f905725e6107eb13399ad4617596712f32e61b5d3bfb00129f87705

SHA512
ed7d9f91d3df6e3116d537093908299e58c8e3c8d7644e0a323ddab07f8d62556ccd78bc7a2ebe19351f215040103ed10cdc2a5af9eb9b9d927750d6e844a049

Download Submit
memory/2084-22-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-1-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-2-0x00000000009A0000-0x00000000009E0000-memory.dmp

Filesize
256KB

Download
memory/2084-3-0x0000000000610000-0x000000000061C000-memory.dmp

Filesize
48KB

Download
memory/2084-4-0x00000000748F0000-0x0000000074FDE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-5-0x00000000009A0000-0x00000000009E0000-memory.dmp

Filesize
256KB

Download
memory/2084-6-0x00000000051C0000-0x000000000522C000-memory.dmp

Filesize
432KB

Download
memory/2084-0-0x00000000009F0000-0x0000000000A8C000-memory.dmp

Filesize
624KB

Download
memory/2624-29-0x0000000002AF0000-0x0000000002B30000-memory.dmp

Filesize
256KB

Download
memory/2624-28-0x000000006F800000-0x000000006FDAB000-memory.dmp

Filesize
5.7MB

Download
memory/2624-32-0x000000006F800000-0x000000006FDAB000-memory.dmp

Filesize
5.7MB

Download
memory/2624-25-0x000000006F800000-0x000000006FDAB000-memory.dmp

Filesize
5.7MB

Download
memory/2624-26-0x0000000002AF0000-0x0000000002B30000-memory.dmp

Filesize
256KB

Download
memory/2624-27-0x0000000002AF0000-0x0000000002B30000-memory.dmp

Filesize
256KB

Download
memory/2728-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2728-41-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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