oski | b43dde5ca3d23d16af5bf34c522869dff9624a78be67dfc3acde5c81ef24d318

General

Target

1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe
Size

1.2MB
MD5

1fbf4813a6c6fd9c55e8f8c8beb200f3
SHA1

648e3959c35790655ebaddd1bec2902938cdd540
SHA256

b43dde5ca3d23d16af5bf34c522869dff9624a78be67dfc3acde5c81ef24d318
SHA512

bffb6f378b581650ed74b6e00b28178a94b4584bf841d774bb867debb7b54dd1396c1ae33159c02301b334e8576958836740515efc17a362f56578ac31e7638f
SSDEEP

24576:TWFOBlUXQd4h4RJgaCN2es8nIrJ3hrFxEPw5IMuYU:DB2Ad4acT3IrJhrFxEY5IMuY

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

secureconnection.xyz

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 2036 set thread context of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2572	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe
2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe
2712	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe
Token: SeDebugPrivilege	2712	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2712	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	28
PID 2036 wrote to memory of 2712	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	28
PID 2036 wrote to memory of 2712	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	28
PID 2036 wrote to memory of 2712	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	28
PID 2036 wrote to memory of 2572	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2572	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2572	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2572	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	30
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32
PID 2036 wrote to memory of 2656	2036	1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036
- 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\1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VWSIPxIbJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0F1.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2572
- C:\Users\Admin\AppData\Local\Temp\1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\1fbf4813a6c6fd9c55e8f8c8beb200f3_JaffaCakes118.exe"
  2⤵
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2036-29-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2036-2-0x0000000004D50000-0x0000000004D90000-memory.dmp

Filesize
256KB

Download
memory/2036-0-0x0000000000F80000-0x00000000010BA000-memory.dmp

Filesize
1.2MB

Download
memory/2036-3-0x0000000000580000-0x000000000058A000-memory.dmp

Filesize
40KB

Download
memory/2036-4-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2036-5-0x0000000004D50000-0x0000000004D90000-memory.dmp

Filesize
256KB

Download
memory/2036-6-0x00000000058B0000-0x000000000597C000-memory.dmp

Filesize
816KB

Download
memory/2036-1-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2656-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-35-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-36-0x000000006ED50000-0x000000006F2FB000-memory.dmp

Filesize
5.7MB

Download
memory/2712-32-0x0000000002A90000-0x0000000002AD0000-memory.dmp

Filesize
256KB

Download
memory/2712-33-0x000000006ED50000-0x000000006F2FB000-memory.dmp

Filesize
5.7MB

Download
memory/2712-31-0x0000000002A90000-0x0000000002AD0000-memory.dmp

Filesize
256KB

Download
memory/2712-34-0x0000000002A90000-0x0000000002AD0000-memory.dmp

Filesize
256KB

Download
memory/2712-30-0x000000006ED50000-0x000000006F2FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads