oski | a2013616892886b9fcd2067d2e77436c5233653772f6a6f235a325b1122c34a9

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
05-03-2024 08:15

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General

Target

b43ae45b39a0647231b51c2d438a554e.exe
Size

696KB
MD5

b43ae45b39a0647231b51c2d438a554e
SHA1

7f7f55ef05410e17329dd3fb3c26e325f227592a
SHA256

a2013616892886b9fcd2067d2e77436c5233653772f6a6f235a325b1122c34a9
SHA512

d2edfdada863310d3feb6aac7eb72c3cda11dca1da36739f8a5a1e2dde4f131f70da6d7ef5d6d7e6c5c19fdab62d576a95514e3c8dca3ffce11dbe96a2720aa6
SSDEEP

12288:g9bDKZtBLE5x4T7RejE+BAdB1JLsSe/RXz/ZwgQiXG/IPQQ0pvRCph5kz1200CZ:EgLE5uTdejkRe/11wm21

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

zdd.divendesign.in

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2184 set thread context of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2748	2868	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2184	b43ae45b39a0647231b51c2d438a554e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	b43ae45b39a0647231b51c2d438a554e.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2660	2184	b43ae45b39a0647231b51c2d438a554e.exe	28
PID 2184 wrote to memory of 2660	2184	b43ae45b39a0647231b51c2d438a554e.exe	28
PID 2184 wrote to memory of 2660	2184	b43ae45b39a0647231b51c2d438a554e.exe	28
PID 2184 wrote to memory of 2660	2184	b43ae45b39a0647231b51c2d438a554e.exe	28
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2184 wrote to memory of 2868	2184	b43ae45b39a0647231b51c2d438a554e.exe	29
PID 2868 wrote to memory of 2748	2868	b43ae45b39a0647231b51c2d438a554e.exe	30
PID 2868 wrote to memory of 2748	2868	b43ae45b39a0647231b51c2d438a554e.exe	30
PID 2868 wrote to memory of 2748	2868	b43ae45b39a0647231b51c2d438a554e.exe	30
PID 2868 wrote to memory of 2748	2868	b43ae45b39a0647231b51c2d438a554e.exe	30

C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
"C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
  "{path}"
  2⤵
  PID:2660
- C:\Users\Admin\AppData\Local\Temp\b43ae45b39a0647231b51c2d438a554e.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 112
    3⤵
    - Program crash
    PID:2748

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2184-21-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2184-1-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2184-2-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

Filesize
256KB

Download
memory/2184-3-0x00000000009C0000-0x00000000009C8000-memory.dmp

Filesize
32KB

Download
memory/2184-4-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2184-5-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

Filesize
256KB

Download
memory/2184-6-0x0000000007F70000-0x0000000007FF6000-memory.dmp

Filesize
536KB

Download
memory/2184-7-0x0000000000C00000-0x0000000000C3A000-memory.dmp

Filesize
232KB

Download
memory/2184-0-0x00000000012E0000-0x0000000001394000-memory.dmp

Filesize
720KB

Download
memory/2868-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2868-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download