stealc | ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403

Analysis

max time kernel
141s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
23/04/2024, 19:01

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General

Target

ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403.exe
Size

462KB
MD5

d0b5e3c428212e1dd3acd07c3392f0eb
SHA1

9f2761d8fce5604d62fc09f8513eaf84f47f4155
SHA256

ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403
SHA512

0bcfcdb01273d3a53558913d600b03d18aa46c121c8ed77096d93d116dde3041a7e2cea69aabd3368d2a2f87598022f7a0a37b558b139a68a4cbf7480c1c779a
SSDEEP

12288:sn6oPSHN9AVHibrbWXIRsReDhmrDira9vzLCI6:A6+U9WHiTNRRAhD6

Score

10^/10

stealc stealer

Malware Config

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
5112	u9k.0.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 344 wrote to memory of 5112	344	ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403.exe	78
PID 344 wrote to memory of 5112	344	ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403.exe	78
PID 344 wrote to memory of 5112	344	ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403.exe	78

C:\Users\Admin\AppData\Local\Temp\ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403.exe
"C:\Users\Admin\AppData\Local\Temp\ee7b24cc0be20e605d042d3c2ddb56cb0bf9e10582649b5504ecf60276af7403.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:344
- C:\Users\Admin\AppData\Local\Temp\u9k.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u9k.0.exe"
  2⤵
  - Executes dropped EXE
  PID:5112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\u9k.0.exe

Filesize
318KB

MD5
91a5a9d7570e04cb9497e1e6b71eba4c

SHA1
4ea781e446576578578e9f7e73a0110913a8b62b

SHA256
bd4f6a49bdd252e0a06b14edbc607fb9dd1e734b86d73bbf4858ce746763630d

SHA512
5b61a1ee15244dd26175b0ab5b96c032622ba5fbce0adda1edc2be30bde2030d8b31b78afbe51322a0c583604c84a1cd2068c4ec9dde0d87f65c60a7b5033cef

Download Submit
memory/344-1-0x00000000043B0000-0x00000000044B0000-memory.dmp

Filesize
1024KB

Download
memory/344-2-0x0000000005EF0000-0x0000000005F5E000-memory.dmp

Filesize
440KB

Download
memory/344-15-0x0000000000400000-0x0000000004067000-memory.dmp

Filesize
60.4MB

Download
memory/344-17-0x00000000043B0000-0x00000000044B0000-memory.dmp

Filesize
1024KB

Download
memory/344-18-0x0000000005EF0000-0x0000000005F5E000-memory.dmp

Filesize
440KB

Download
memory/5112-12-0x0000000004130000-0x0000000004230000-memory.dmp

Filesize
1024KB

Download
memory/5112-13-0x00000000045B0000-0x00000000045D7000-memory.dmp

Filesize
156KB

Download
memory/5112-14-0x0000000000400000-0x0000000004043000-memory.dmp

Filesize
60.3MB

Download