oski | f4b50e1c6b1e1cf001e2d5800e07c7d15d9ef0db7c97889f12a7dcecfeb64dbd

General

Target

1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
Size

610KB
MD5

55f980f9ea9a8ed2bc7e6dd877491fc8
SHA1

bd9ece343f05e36a677fc9a517f3af58da498806
SHA256

1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4
SHA512

8528ed0a022233250017bba4a281caca83fd13b234ba1e63f4d4e2ca8a94a6e44a956fe6a4864eff70f29e93e560a98e786ecb143235737b1bbcaebbbf2c3d8d

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

C2

almed-trading.xyz

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
T1081

Suspicious use of SetThreadContext 1 IoCs

Processes:

1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe

description	pid	process	target process
PID 1676 set thread context of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

472 2024 WerFault.exe 1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe

pid process

1676 1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe

description pid process

Token: SeDebugPrivilege 1676 1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe

pid	pid_target	process	target process
472	2024	WerFault.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe

pid	process
1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe

description	pid	process
Token: SeDebugPrivilege	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe

C:\Users\Admin\AppData\Local\Temp\1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
"C:\Users\Admin\AppData\Local\Temp\1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676

C:\Users\Admin\AppData\Local\Temp\1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
"C:\Users\Admin\AppData\Local\Temp\1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe"
2⤵
PID:1420

C:\Users\Admin\AppData\Local\Temp\1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
"C:\Users\Admin\AppData\Local\Temp\1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 816
3⤵
- Program crash
PID:472

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

Replay Monitor

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Downloads

memory/472-91-0x0000000000000000-mapping.dmp

Download
memory/1676-70-0x00000000005F0000-0x000000000062A000-memory.dmp

Filesize
232KB

Download
memory/1676-66-0x0000000071FF0000-0x0000000072A00000-memory.dmp

Filesize
10.1MB

Download
memory/1676-57-0x0000000071FF0000-0x0000000072A00000-memory.dmp

Filesize
10.1MB

Download
memory/1676-58-0x0000000074650000-0x00000000747E4000-memory.dmp

Filesize
1.6MB

Download
memory/1676-59-0x0000000000390000-0x000000000039E000-memory.dmp

Filesize
56KB

Download
memory/1676-60-0x00000000712D0000-0x0000000071FED000-memory.dmp

Filesize
13.1MB

Download
memory/1676-69-0x0000000001160000-0x00000000011C6000-memory.dmp

Filesize
408KB

Download
memory/1676-62-0x0000000074550000-0x000000007464C000-memory.dmp

Filesize
1008KB

Download
memory/1676-63-0x00000000703B0000-0x0000000070AEE000-memory.dmp

Filesize
7.2MB

Download
memory/1676-64-0x00000000701D0000-0x00000000703A1000-memory.dmp

Filesize
1.8MB

Download
memory/1676-65-0x0000000072A00000-0x0000000073D8F000-memory.dmp

Filesize
19.6MB

Download
memory/1676-83-0x0000000072A00000-0x0000000073D8F000-memory.dmp

Filesize
19.6MB

Download
memory/1676-67-0x0000000074650000-0x00000000747E4000-memory.dmp

Filesize
1.6MB

Download
memory/1676-68-0x00000000712D0000-0x0000000071FED000-memory.dmp

Filesize
13.1MB

Download
memory/1676-55-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/1676-56-0x0000000072A00000-0x0000000073D8F000-memory.dmp

Filesize
19.6MB

Download
memory/1676-61-0x0000000070AF0000-0x00000000712D0000-memory.dmp

Filesize
7.9MB

Download
memory/1676-54-0x0000000001200000-0x000000000129E000-memory.dmp

Filesize
632KB

Download
memory/1676-88-0x00000000701D0000-0x00000000703A1000-memory.dmp

Filesize
1.8MB

Download
memory/1676-87-0x00000000712D0000-0x0000000071FED000-memory.dmp

Filesize
13.1MB

Download
memory/1676-85-0x0000000074650000-0x00000000747E4000-memory.dmp

Filesize
1.6MB

Download
memory/1676-84-0x0000000071FF0000-0x0000000072A00000-memory.dmp

Filesize
10.1MB

Download
memory/2024-90-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-81-0x000000000040717B-mapping.dmp

Download
memory/2024-80-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-74-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-78-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-86-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-76-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-92-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2024-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

description	pid	process	target process
PID 1676 wrote to memory of 1420	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 1420	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 1420	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 1420	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 1676 wrote to memory of 2024	1676	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe
PID 2024 wrote to memory of 472	2024	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	WerFault.exe
PID 2024 wrote to memory of 472	2024	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	WerFault.exe
PID 2024 wrote to memory of 472	2024	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	WerFault.exe
PID 2024 wrote to memory of 472	2024	1c5686f42c5b67e4af06d0a7ae31c7b6ecb1b305cdd3f61c47276ea0ae6ee9e4.exe	WerFault.exe

Analysis

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