oski | e38286df473bf02a6fad93aa93a5fbd283faca53a5b52157955cce229a1dc1a0

Analysis

max time kernel
141s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 19:37

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General

Target

New Order_78947533.exe
Size

881KB
MD5

7f05dc92a62ddd277baaeb55ebcfa407
SHA1

23c8c1a1a8d16180980f4b38a47832738f947141
SHA256

06c8a1e6544aede327bad32a5732d5bcfff143da73da01d34938efbe917e3289
SHA512

3cf46fbbf2e197b15fff65b3250f05add05537e534371ee50c8f0fe6524d4d32717d25ec79c60b8ebd1ed34b99d36522202834ac927fe3e1be5abb7c298768ef
SSDEEP

12288:oplvxon3qGaNHEyC9/oR9gy5ZHK7z1S6TNCTm9H1tVwH9gd0pod3zBts7Vl+YJtm:dPp9AR95SbTIg1Bd4od0+YzR0xz6KV

Score

10^/10

oski discovery infostealer

Malware Config

Extracted

Family

oski

kckark.xyz

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

New Order_78947533.exe

description	pid	Process	procid_target
PID 2176 set thread context of 2852	2176	New Order_78947533.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

New Order_78947533.exeNew Order_78947533.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New Order_78947533.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New Order_78947533.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

New Order_78947533.exe

description	pid	Process	procid_target
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31
PID 2176 wrote to memory of 2852	2176	New Order_78947533.exe	31

C:\Users\Admin\AppData\Local\Temp\New Order_78947533.exe
"C:\Users\Admin\AppData\Local\Temp\New Order_78947533.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\New Order_78947533.exe
  "C:\Users\Admin\AppData\Local\Temp\New Order_78947533.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2176-24-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2176-1-0x0000000000800000-0x00000000008E2000-memory.dmp

Filesize
904KB

Download
memory/2176-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2176-3-0x0000000000330000-0x0000000000346000-memory.dmp

Filesize
88KB

Download
memory/2176-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2176-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2176-6-0x0000000005F10000-0x0000000005FAE000-memory.dmp

Filesize
632KB

Download
memory/2176-7-0x0000000000780000-0x00000000007B8000-memory.dmp

Filesize
224KB

Download
memory/2176-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2852-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2852-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download