oski | 0de7c8162475fd23b09cdf728f0e90cf25250d0173befbfc4f8f3e59da9d4ef6

General

Target

e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe
Size

457KB
MD5

e1808a961fe59c96882ce11133d4b8d1
SHA1

041e2777f1ea56ef08554185ca592d81a7f3241f
SHA256

0de7c8162475fd23b09cdf728f0e90cf25250d0173befbfc4f8f3e59da9d4ef6
SHA512

d727f8abdfeb938e5627e6d37879d01af623624ebfe39106b48e808619431011f8e7feab3f70bef0035e6dc5847a1a874a00150414f380a7b07828a54f47f137
SSDEEP

12288:3s0ha9d1cQ15S/vOZYnuPyCNbrMUF8GxfK:3s0hqcdUhmCC

Score

10^/10

oski discovery infostealer

Malware Config

Extracted

Family

oski

C2

195.133.147.113

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe

description	pid	Process	procid_target
PID 792 set thread context of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30

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:

e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exeRegAsm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe

description	pid	Process	procid_target
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30
PID 792 wrote to memory of 2948	792	e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e1808a961fe59c96882ce11133d4b8d1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/792-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/792-1-0x00000000009C0000-0x0000000000A36000-memory.dmp

Filesize
472KB

Download
memory/792-2-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/792-3-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/792-4-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/792-5-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/792-6-0x00000000003E0000-0x0000000000412000-memory.dmp

Filesize
200KB

Download
memory/792-7-0x0000000000530000-0x0000000000544000-memory.dmp

Filesize
80KB

Download
memory/792-21-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-18-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2948-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2948-20-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2948-8-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2948-13-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2948-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2948-12-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2948-10-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2948-23-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2948-24-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2948-25-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads