oski | 6688b11e528cbf670e6b83df29090845d8b3a135416797e665bcbd7202abd48b

General

Target

e3b2de137b33c9a7b451ac31a2d8ca52_JaffaCakes118.ps1
Size

656KB
MD5

e3b2de137b33c9a7b451ac31a2d8ca52
SHA1

3ff67e58cc9bcc834dbbfbe6300541df6eb89c02
SHA256

6688b11e528cbf670e6b83df29090845d8b3a135416797e665bcbd7202abd48b
SHA512

7cf47cbffdb66526d65fa7489994aa2d2d44287c0b200b9eae25ee27489ef950a50b4189de0a311b2d5ee82468c6b9c775eb56b50f442fe5ad70b11b590b8584
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64B8TVkc5A+:g3jTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l32/

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 844 set thread context of 2916	844	powershell.exe	93

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3460	2916	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
844	powershell.exe
844	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	844	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2916	844	powershell.exe	93
PID 844 wrote to memory of 2916	844	powershell.exe	93
PID 844 wrote to memory of 2916	844	powershell.exe	93
PID 844 wrote to memory of 2916	844	powershell.exe	93
PID 844 wrote to memory of 2916	844	powershell.exe	93
PID 844 wrote to memory of 2916	844	powershell.exe	93
PID 844 wrote to memory of 2916	844	powershell.exe	93
PID 844 wrote to memory of 2916	844	powershell.exe	93
PID 844 wrote to memory of 2916	844	powershell.exe	93

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\e3b2de137b33c9a7b451ac31a2d8ca52_JaffaCakes118.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:2916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 1064
    3⤵
    - Program crash
    PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2916 -ip 2916
1⤵
PID:4596

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4148 --field-trial-handle=3016,i,1323102786462900035,7687994236215859601,262144 --variations-seed-version /prefetch:8
1⤵
PID:1704

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1glqoehd.s5c.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/844-33-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-17-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-11-0x000001CEB4A80000-0x000001CEB4A90000-memory.dmp

Filesize
64KB

Download
memory/844-35-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-13-0x000001CEB4930000-0x000001CEB4956000-memory.dmp

Filesize
152KB

Download
memory/844-14-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-15-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-37-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-25-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-23-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-21-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-19-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-29-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-39-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-31-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-0-0x000001CE9C530000-0x000001CE9C552000-memory.dmp

Filesize
136KB

Download
memory/844-12-0x000001CEB4A80000-0x000001CEB4A90000-memory.dmp

Filesize
64KB

Download
memory/844-10-0x00007FFE22A60000-0x00007FFE23521000-memory.dmp

Filesize
10.8MB

Download
memory/844-27-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-41-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-45-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-43-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-47-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-49-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-51-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-53-0x000001CEB4930000-0x000001CEB4950000-memory.dmp

Filesize
128KB

Download
memory/844-54-0x000001CEB4950000-0x000001CEB4951000-memory.dmp

Filesize
4KB

Download
memory/844-59-0x00007FFE22A60000-0x00007FFE23521000-memory.dmp

Filesize
10.8MB

Download
memory/2916-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2916-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2916-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2916-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2916-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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